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List of Sites of Special Scientific Interest in Hertfordshire

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states: "This reveals extensive piping in the top of the chalk resulting from solution at the Chalk - Tertiary sediment interface. Believed to have formed during the Tertiary and Pleistocene, it is the finest exposure of clay-filled pipes in the Chalk Karst of England."
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Part of this site is an ancient flood meadow which has a variety of habitats including reedbed, marshy grassland and fen. It is grazed by ponies and water buffalo. There are also ponds which have kingfisher, snipe, green sandpiper, shoveler, gadwall and tufted duck.
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The site is mainly oak and hornbeam woodland near the northern limit of its natural distribution. It has varied ground flora on soils from damp heavy clay to light gravels. There are also ponds and extensive clearings dominated by bracken, and other flora including
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The site has a variety of types of meadows, with marshy grassland being the most extensive. Its rich flora makes it one of the most important grassland sites in the county. There is also a small ancient woodland which has a variety of breeding birds.
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The site is one of the few areas of unimproved marshy grassland in east Hertfordshire. It is crossed by a stream and has a rich diversity of vegetation, including a variety of orchids. Kestrels often hunt mice and voles, which are common on the site.
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These four reservoirs are on the sites of ancient marshes, and their diverse fauna and flora include some dating back to their marshland origins. The site is important for breeding and wintering birds, including nationally important numbers of
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The site covers more than fifteen sinkholes, the only ones in chalk which are a permanent feature of the landscape. Next to the holes is a swamp area of willow carr which is biologically important, and in deep water there is
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Ths site is mainly semi-natural vegetation, with has extensive areas of woodland, grass and scrub. There are many species of breeding birds, including some which are rare nationally, such as
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The site is an ancient semi-natural sessile oak and hornbeam wood on acid soils. There are also swallowholes fed by streams, and a woodland ride provides a habitat for invertebrates.
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The site consists of a series of freshwater springs, which provide a habitat for cold water, invertebrate animals, some of which are rare. The site is particularly important for
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Maps and citations for each site are taken from the Natural England database. The area and location of the site is shown on the citation. The listing is as in January 2016.
8673: 8593: 8468: 3862:. It is an example of damp grassland which has been traditionally managed for grazing. There are also areas of swamp and marsh. The main plants in grassland areas include 7246: 6977: 6308: 5657: 8894: 8683: 8628: 8533: 7900: 8955: 8914: 8764: 8638: 8598: 8583: 8513: 6839: 8834: 8789: 8739: 8693: 8558: 8493: 8473: 2402:
The wood is ancient in origin and ecologically diverse. The dominant trees are oak and hornbeam. Ponds have unusual plant species, and the site is rich in fungi and
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The wood has a rich flora, showing that it is well established. It is one of the best examples of semi-natural beech woodland in Hertfordshire. Plants include
3026:
This is one of the most extensive areas of unimproved chalk downland in Hertfordshire. The site has diverse grass and flowering plant species. Orchids include
103: 9422: 8970: 8809: 8538: 8518: 8578: 8463: 8050: 9362: 8112: 7996: 7932: 7838: 7806: 7742: 7710: 7678: 7613: 7562: 7445: 7333: 7275: 7152: 7091: 7059: 7027: 6926: 6868: 6810: 6752: 6711: 6646: 6614: 6563: 6494: 6440: 6401: 6340: 6276: 6215: 6157: 6125: 6064: 6032: 6000: 5968: 5940: 5815: 4440: 4198: 3614: 3495: 3386: 3262: 2397: 2274: 2032: 1770: 1650: 1530: 1419: 1300: 1195: 1068: 966: 952: 832: 575: 6588: 79:, 36 of which have been designated for their biological interest and 7 for their geological interest. In England the body responsible for designating 8985: 5763: 130: 9347: 7964: 7774: 7391: 5731: 125: 7191: 7130: 6893: 5562: 120: 9342: 8155: 6099: 7645: 5545:. Plants in the variable ground flora include brambles, wood anemones and bluebells. Other habitats include marshland and acidic grassland. 4445:
Habitats include tall wash grassland, which is now rare, marsh and waterlogged grassland. It has a wide variety of plant species, including
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which have poor drainage and wet habitats. There are also areas of ancient woodland and dry heath. In drier heath areas there are heather,
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The site is mainly grass heathland with some ancient woodland and hazel coppice. Over 250 species of plants have been recorded, including
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as describing some to the richest chalkland in England. It is unimproved pasture which has a wide variety of plants including the rare
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This is an internationally important site for wintering wildfowl, and is Britain's most important site for dragonflies. Plants include
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as of fundamental importance as the only one which demonstrates the diversion of the Thames from its pre-Anglian course.
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The site has marshy areas and fens next to the river, damp grassland and drier, more acidic areas. The river bank has
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meadows and marshes which are rare in lowland Britain. There are areas of swamp and tall fens, with plants including
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glaciation around 450,000 years ago, which diverted the Thames south to its present course. The site is regarded by
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which contains fossil land snails and mammal bones which show the climate and local environmental conditions.
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The site is home to a large amount of dry grass, as well as marshy-areas. Much of the turf is dominated by
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The wood lies on a north-east facing slope of decalcified boulder clay. The woodland area is also home to
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This steeply sloping small meadow is a rare example of unimproved chalk grassland. Grass species include
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The site provides an example of the complex sequence of Pleistocene gravels and clays laid down by the
478: 72:. As of 2018, the county has a population of 1,184,400 in an area of 634 square miles (1,640 km). 7187: 7126: 3646: 5270: 5265:
This is ancient woodland, and the main trees are oak, ash, hazel and hornbeam. Ground flora include
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2.6 million years ago. A higher layer of gravel was laid down some 20,000 years ago, when the
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The site has ancient and secondary woodland, heath and scrub. The woodland canopy is dominated by
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This is unimproved grassland which is subject to winter flooding. Notable grass species include
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This site includes ten former gravel pits, which are of national importance for wintering
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when it flowed through the Vale of St Albans before the river was diverted south by the
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and has butterfly habitats with several different species of butterfly including the
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The site is oak and hornbeam on acid gravel. The ground flora is diverse, including
8398: 8388: 8347: 8322: 8282: 8227: 7190:. Royal Society for the Protection of Birds, South East Hertfordshire Local Group. 5881: 5413: 5409: 5166: 5043: 4695: 4691: 4466: 4446: 3517: 3393: 3047: 3031: 2411: 2291: 1912: 1908: 1668: 1536: 1310: 1090: 1082: 838: 764: 9223: 9150: 8403: 8383: 8327: 8312: 8247: 8212: 8202: 5051: 4927: 4922: 4687: 4584: 4331: 4224: 3871: 3550: 3501: 2750: 2303: 2058: 1792: 1424: 1098: 1078: 1074: 962: 858: 842: 726:, both nationally rare. Amwell has a quarter of all British species of molluscs. 719: 462: 458: 84: 57: 41: 9263: 8182: 5377: 4933: 4669: 3916: 3867: 3632: 3602: 3156:
420,000 to 300,000 years ago. It was then a marsh fed by springs, and it has a
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The common is a remnant of a lowland heath, with much it on the heavy soils of
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1.6 to 1.8 million years ago, and which show the river's ancient course.
262:
Register of Historic Parks and Gardens of Special Historic Interest in England
9439: 9285: 9253: 9090: 8378: 8267: 8192: 8168: 5484: 5470: 5337: 5323: 5266: 5221: 5207: 5158: 5106: 5092: 4997: 4983: 4877: 4863: 4758: 4744: 4639: 4625: 4521: 4507: 4398: 4384: 4279: 4265: 4156: 4142: 4049: 4035: 3938: 3924: 3814: 3800: 3695: 3681: 3631:, and there are colonies of orchids. It is the only site in the county where 3572: 3558: 3456: 3442: 3347: 3333: 3220: 3206: 3165: 3102: 3088: 2978: 2964: 2932: 2918: 2813: 2799: 2746: 2698: 2684: 2593: 2579: 2466: 2452: 2358: 2344: 2284: 2232: 2218: 2113: 2099: 2045:
mosses and creeping willow are found in wetter areas. Ponds support the rare
1983: 1969: 1855: 1841: 1833: 1784: 1723: 1709: 1660: 1611: 1597: 1556: 1488: 1474: 1466: 1377: 1363: 1261: 1247: 1153: 1139: 1029: 1015: 913: 899: 786: 772: 660: 646: 605: 593: 533: 519: 470: 410: 396: 8277: 8272: 8242: 5154: 4975: 4814: 4204: 3509: 3401: 3292: 3153: 2869: 2177: 2169: 1900: 1656: 1328: 1306: 1239: 850: 638: 45: 8444: 2049:
and a rich invertebrate fauna such as great crested and smooth newts, the
9248: 9208: 9193: 9183: 9173: 8163: 5631: 5542: 3986: 3859: 3725: 3434: 3280: 3268: 2649: 2518: 2287: 1934: 1355: 1086: 846: 701: 511: 252: 65: 6527:"Furneux Pelham Gravel Pit (Hillcollins Pit) (Quaternary of the Thames)" 3765: 1562: 1439: 1212: 980: 9243: 9188: 8262: 7619:. Sites of Special Scientific Interest. Natural England. Archived from 7451:. Sites of Special Scientific Interest. Natural England. Archived from 7158:. Sites of Special Scientific Interest. Natural England. Archived from 7097:. Sites of Special Scientific Interest. Natural England. Archived from 7065:. Sites of Special Scientific Interest. Natural England. Archived from 7033:. Sites of Special Scientific Interest. Natural England. Archived from 6652:. Sites of Special Scientific Interest. Natural England. Archived from 6620:. Sites of Special Scientific Interest. Natural England. Archived from 6500:. Sites of Special Scientific Interest. Natural England. Archived from 6407:. Sites of Special Scientific Interest. Natural England. Archived from 6346:. Sites of Special Scientific Interest. Natural England. Archived from 6282:. Sites of Special Scientific Interest. Natural England. Archived from 6253:. Local Nature Reserves. Natural England. 13 March 2013. Archived from 6221:. Sites of Special Scientific Interest. Natural England. Archived from 6163:. Sites of Special Scientific Interest. Natural England. Archived from 6131:. Sites of Special Scientific Interest. Natural England. Archived from 6070:. Sites of Special Scientific Interest. Natural England. Archived from 6038:. Sites of Special Scientific Interest. Natural England. Archived from 6006:. Sites of Special Scientific Interest. Natural England. Archived from 5974:. Sites of Special Scientific Interest. Natural England. Archived from 5821:. Sites of Special Scientific Interest. Natural England. Archived from 3620: 2877: 2444: 2403: 1806: 2544: 18:
This article is about SSSIs in Hertfordshire. For other counties, see
9275: 9269: 9238: 9213: 9135: 9120: 8337: 8307: 8287: 5679: 5417: 5315: 4822: 4813:. It is also valuable for invertebrates, especially grasshoppers and 4257: 4101: 3640: 3523: 3053: 2417: 2336: 2161: 466: 5057: 2309: 2064: 1104: 106: 9228: 9203: 5907: 5462: 4736: 4208: 2883: 2861: 2676: 2042: 1904: 958: 611: 473:. There are also large areas of woodland and calcareous grassland. 69: 3407: 25: 9295: 9233: 9168: 9145: 9110: 5199: 5084: 4806: 4349: 3792: 3298: 3150: 3080: 2860:
The site has one of the county's most extensive areas of ancient
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is dominant over most of the woodland floor, with plants such as
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Lists of Sites of Special Scientific Interest by Area of Search
9198: 5277:. There are diverse species of fungi, invertebrates and birds. 2526: 2210: 1093:, with a higher ground flora diversity in clearings and rides. 4107: 9280: 4617: 4499: 4134: 2910: 388: 92: 88: 53: 6314:. Hertfordshire RIGS Group. 2003. p. 43. Archived from 6102:. Hertfordshire and Middlesex Wildlife Trust. Archived from 5853:. Hertfordshire and Middlesex Wildlife Trust. Archived from 5792:. Hertfordshire and Middlesex Wildlife Trust. Archived from 4828: 1077:
as "one of the best remaining examples in the county of the
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As of July 2019, there are 43 sites designated within this
2517:
The lowest layer is gravel dating to the beginning of the
8111:. Sites of Special Scientific Interest. Natural England. 8079:. Sites of Special Scientific Interest. Natural England. 7995:. Sites of Special Scientific Interest. Natural England. 7931:. Sites of Special Scientific Interest. Natural England. 7837:. Sites of Special Scientific Interest. Natural England. 7805:. Sites of Special Scientific Interest. Natural England. 7773:. Sites of Special Scientific Interest. Natural England. 7741:. Sites of Special Scientific Interest. Natural England. 7709:. Sites of Special Scientific Interest. Natural England. 7677:. Sites of Special Scientific Interest. Natural England. 7561:. Sites of Special Scientific Interest. Natural England. 7390:. Sites of Special Scientific Interest. Natural England. 7332:. Sites of Special Scientific Interest. Natural England. 7274:. Sites of Special Scientific Interest. Natural England. 6925:. Sites of Special Scientific Interest. Natural England. 6867:. Sites of Special Scientific Interest. Natural England. 6838:. Local Nature Reserves. Natural England. 14 March 2013. 6809:. Sites of Special Scientific Interest. Natural England. 6751:. Sites of Special Scientific Interest. Natural England. 6710:. Sites of Special Scientific Interest. Natural England. 6562:. Sites of Special Scientific Interest. Natural England. 6439:. Sites of Special Scientific Interest. Natural England. 5939:. Sites of Special Scientific Interest. Natural England. 2865: 6952:"Oughtonhead Lane, Hitchin (Quaternary of East Anglia)" 3283:. There are a wide variety of dragonfly, including the 2872:. Glades, streams and springs add to the biodiversity. 9082: 7890:"A Geological Conservation Strategy for Hertfordshire" 6978:"A Geological Conservation Strategy for Hertfordshire" 6591:. Herts & Middlesex Wildlife Trust. Archived from 6309:"A Geological Conservation Strategy for Hertfordshire" 6245: 6243: 9446:
Sites of Special Scientific Interest in Hertfordshire
5046:. The site also has areas of woodland and grassland. 3623:
grassland in Hertfordshire. The dominant grasses are
8024:. Herts and Middlesex Wildlife Trust. Archived from 7648:. Herts and Middlesex Wildlife Trust. Archived from 7590:. Herts and Middlesex Wildlife Trust. Archived from 7219:. Herts and Middlesex Wildlife Trust. Archived from 7004:. Herts and Middlesex Wildlife Trust. Archived from 6471:. Herts and Middlesex Wildlife Trust. Archived from 5766:. Herts and Middlesex Wildlife Trust. Archived from 841:. Other species which are rare in Hertfordshire are 7121: 7119: 6240: 5153:This site throws light on the early history of the 323: 318: 7530:"1010431 - The National Heritage List for England" 7504:"1010428 - The National Heritage List for England" 6370: 6368: 6094: 6092: 4579:. The site is also significant for invertebrates. 3508:, while heathland species include heather and the 6463: 6461: 1085:of the ash-maple variety". Shrub species include 9437: 7116: 6983:. Hertfordshire RIGS Group. 2003. Archived from 5541:The site is oak and hornbeam woodland mainly on 4461:. Breeding birds include snipe and water rails. 6365: 6089: 2745:The pit displays the advance of ice during the 6458: 5680:"Guidelines for selection of biological SSSIs" 5563:List of Local Nature Reserves in Hertfordshire 3985:The site is a river valley marsh close to the 3619:This is one of the few examples of unimproved 95:, or geological or physiographical features". 9068: 8430: 8149: 8045: 8043: 7245:. Royal Society for the Protection of Birds. 6778:"Moor Mill Quarry (Quaternary of the Thames)" 6679:"Little Heath Pit (Quaternary of the Thames)" 2041:, and there are grass snakes and slow worms. 7864:"Westwood Quarry (Quaternary of the Thames)" 7414: 7412: 7211: 7209: 5724: 5416:. Small ponds and streams are important for 4698:, and there is a variety of woodland birds. 2290:, and there are other unusual flora such as 177:Chilterns Area of Outstanding Natural Beauty 8106:"Wormley-Hoddesdonpark Wood South citation" 7990:"Wormley-Hoddesdonpark Wood North citation" 5963: 5961: 1073:The site is ancient woodland, described by 9075: 9061: 8437: 8423: 8156: 8142: 8040: 7480:. Local Nature Reserves. Natural England. 7361:. Local Nature Reserves. Natural England. 5634:. Hertfordshire Local Information System. 2525:was at its maximum, and the site was cold 8077:"Map of Wormley-Hoddesdonpark Wood South" 7409: 7206: 5845: 5843: 1903:. It has diverse tree species, including 1899:The site is coppiced ancient woodland on 592:, and there are many orchids, especially 271:Royal Society for the Protection of Birds 5958: 2168:, which were laid down by the ancestral 166: 24: 9309:List of civil parishes in Hertfordshire 8100: 8098: 7984: 7982: 7955: 7953: 7866:. Joint Nature Conservation Committee. 7768:"Turnford & Cheshunt Pits citation" 6954:. Joint Nature Conservation Committee. 6780:. Joint Nature Conservation Committee. 6681:. Joint Nature Conservation Committee. 6192:. Joint Nature Conservation Committee. 6001:"Ashridge Commons & Woods citation" 5884:. Joint Nature Conservation Committee. 5682:. Joint Nature Conservation Committee. 5658:"Designated Sites View - Hertfordshire" 5529: 5396: 5253: 5141: 5029: 4909: 4793: 4674: 4562: 4433: 4318: 4191: 4084: 3973: 3846: 3741: 3607: 3488: 3379: 3255: 3137: 3014: 2848: 2733: 2625: 2505: 2406:. Breeding birds include nightingales. 2390: 2267: 2148: 2025: 1887: 1763: 1643: 1523: 1412: 1293: 1188: 1061: 945: 825: 706: 568: 445: 87:, which chooses a site "because of its 9438: 7422:. Herts and Middlesex Wildlife Trust. 7397:from the original on 24 September 2015 7281:from the original on 24 September 2015 7194:from the original on 29 September 2015 7182: 7180: 6816:from the original on 24 September 2015 6758:from the original on 24 September 2015 6717:from the original on 24 September 2015 6378:. Herts and Middlesex Wildlife Trust. 5946:from the original on 24 September 2015 5876: 5874: 5872: 5840: 5708:. Herts and Middlesex Wildlife Trust. 9056: 8418: 8137: 7301:"Sawbridgeworth Marsh Nature Reserve" 7249:from the original on 26 November 2014 7133:from the original on 21 December 2014 6842:from the original on 10 February 2015 6537:from the original on 19 February 2015 6382:from the original on 11 December 2014 5969:"Ashridge Commons and Woods citation" 5914:from the original on 20 December 2014 5712:from the original on 5 September 2015 5638:from the original on 10 February 2015 3504:. Ground flora include bluebells and 2864:woodland, with other trees including 8910:Tweeddale and Ettrick and Lauderdale 8165:Sites of Special Scientific Interest 8095: 8057:from the original on 20 October 2017 7979: 7950: 7938:from the original on 24 October 2012 7484:from the original on 3 December 2013 5910:. Ramsar Sites Information Service. 5888:from the original on 26 October 2016 5686:from the original on 23 January 2016 5584: 5582: 5580: 5578: 1911:, resulting in a rich ground flora. 7177: 6920:"Oddy Hill and Tring Park citation" 6685:from the original on 18 August 2016 6531:Joint Nature Conservation Committee 6216:"Castle Lime Works Quarry citation" 5869: 4338:. There is a diverse insect fauna. 1547:. There are many ant hills made by 13: 8448:in the United Kingdom, grouped by 7963:. Countryside Management Service. 7906:from the original on 6 August 2016 7870:from the original on 9 August 2016 7832:"Water End Swallow Holes citation" 7780:from the original on 20 March 2009 6896:. English Heritage. Archived from 6190:"Castle Lime Works Quarry (Karst)" 5558:Herts and Middlesex Wildlife Trust 1779:, and damp areas are dominated by 204:Herts and Middlesex Wildlife Trust 14: 9472: 8986:Preseli & South Pembrokeshire 8745:Clydesdale and South East Glasgow 8118:from the original on 4 March 2016 8083:from the original on 3 March 2016 8002:from the original on 3 March 2016 7967:from the original on 9 March 2016 7844:from the original on 3 March 2016 7812:from the original on 3 March 2016 7748:from the original on 4 March 2016 7716:from the original on 4 March 2016 7684:from the original on 4 March 2016 7568:from the original on 3 March 2016 7426:from the original on 2 April 2015 7365:from the original on 4 March 2016 7339:from the original on 3 March 2016 7307:from the original on 11 June 2016 6958:from the original on 4 March 2016 6932:from the original on 4 March 2016 6874:from the original on 3 March 2016 6836:"Northaw Great Wood Country Park" 6804:"Moor Mill Quarry, West citation" 6784:from the original on 4 March 2016 6569:from the original on 4 March 2016 6446:from the original on 3 March 2016 6196:from the original on 4 March 2016 5737:. Natural England. Archived from 5575: 9348:European Parliament constituency 8358:Wormley-Hoddesdonpark Wood South 8353:Wormley-Hoddesdonpark Wood North 7129:. Chilterns Conservation Board. 5496:Wormley-Hoddesdonpark Wood South 5441: 5434: 5430:Wormley-Hoddesdonpark Wood South 5420:, and invertebrates include the 5349:Wormley-Hoddesdonpark Wood North 5294: 5287: 5283:Wormley-Hoddesdonpark Wood North 5178: 5171: 5065: 5056: 4954: 4947: 4834: 4827: 4715: 4708: 4596: 4589: 4478: 4471: 4355: 4348: 4236: 4229: 4113: 4106: 4006: 3999: 3895: 3888: 3858:The site is a meadow beside the 3771: 3764: 3652: 3645: 3529: 3522: 3413: 3406: 3304: 3297: 3177: 3170: 3061: 3052: 2889: 2882: 2770: 2763: 2657: 2648: 2550: 2543: 2425: 2416: 2315: 2308: 2189: 2182: 2072: 2063: 2053:and eight species of dragonfly. 1940: 1933: 1812: 1805: 1680: 1673: 1570: 1561: 1445: 1438: 1336: 1327: 1218: 1211: 1110: 1103: 986: 979: 870: 863: 743: 736: 617: 610: 490: 483: 367: 360: 8069: 8014: 7918: 7882: 7856: 7824: 7792: 7760: 7728: 7696: 7664: 7638: 7606: 7580: 7548: 7522: 7496: 7470: 7438: 7377: 7351: 7327:"Sawbridgeworth Marsh citation" 7319: 7293: 7261: 7235: 7145: 7084: 7052: 7020: 6994: 6970: 6944: 6912: 6886: 6854: 6828: 6796: 6770: 6738: 6729: 6697: 6671: 6639: 6607: 6581: 6549: 6519: 6487: 6426: 6394: 6333: 6301: 6269: 6208: 6182: 6150: 6118: 6057: 6025: 5993: 5926: 5900: 5808: 3149:The site probably dates to the 2160:This disused gravel pit is the 162:= a site of geological interest 156:= a site of biological interest 20:List of SSSIs by Area of Search 8900:South Wester Ross and Cromarty 8855:North Wester Ross and Cromarty 7614:"Thorley Flood Pound citation" 6277:"Croxley Common Moor citation" 6158:"Bricket Wood Common citation" 6065:"Benington High Wood citation" 5782: 5756: 5698: 5672: 5650: 5624: 5602: 457:The site hosts the flowers of 186:Geological Conservation Review 1: 7385:"Sherrardspark Wood citation" 7188:"Rye Meads (SSSI SPA Ramsar)" 6862:"Northaw Great Wood citation" 6735:Information board on the site 6434:"Great Hormead Park citation" 5595: 9423:King George V Playing Fields 9343:Parliamentary constituencies 9326:Hertfordshire County Council 6746:"Moor Hall Meadows citation" 6589:"Hunsdon and Eastwick Meads" 5528: 5457: 5450: 5440: 5395: 5310: 5303: 5293: 5252: 5194: 5187: 5177: 5140: 5079: 5064: 5062: 5028: 4970: 4963: 4953: 4908: 4850: 4843: 4833: 4792: 4770:Turnford & Cheshunt Pits 4731: 4724: 4714: 4673: 4612: 4605: 4595: 4561: 4494: 4487: 4477: 4453:. There are flowers such as 4432: 4371: 4364: 4354: 4317: 4252: 4245: 4235: 4190: 4129: 4122: 4112: 4083: 4022: 4015: 4005: 3972: 3911: 3904: 3894: 3878:are common in damper areas. 3845: 3787: 3780: 3770: 3740: 3668: 3661: 3651: 3606: 3545: 3538: 3528: 3487: 3429: 3422: 3412: 3378: 3320: 3313: 3303: 3271:, as well as occurrences of 3254: 3193: 3186: 3176: 3136: 3075: 3060: 3058: 3013: 2905: 2898: 2888: 2847: 2786: 2779: 2769: 2732: 2671: 2656: 2654: 2624: 2566: 2559: 2549: 2504: 2439: 2424: 2422: 2389: 2331: 2324: 2314: 2266: 2205: 2198: 2188: 2147: 2086: 2071: 2069: 2024: 1956: 1949: 1939: 1886: 1828: 1821: 1811: 1762: 1696: 1689: 1679: 1642: 1584: 1569: 1567: 1522: 1461: 1454: 1444: 1411: 1350: 1335: 1333: 1292: 1234: 1227: 1217: 1187: 1126: 1119: 1109: 1060: 1002: 995: 985: 944: 886: 879: 869: 824: 798:Ashridge Commons & Woods 759: 756:627.3 hectares (1,550 acres) 752: 742: 732:Ashridge Commons & Woods 705: 633: 626: 616: 567: 506: 499: 489: 444: 383: 376: 366: 225:A Nature Conservation Review 7: 9456:Hertfordshire-related lists 8755:Dumbarton and North Glasgow 7926:"Whippendell Wood citation" 7672:"Tring Reservoirs citation" 7153:"Roughdown Common citation" 6705:"Little Heath Pit citation" 6402:"Frogmore Meadows citation" 6341:"Frogmore Meadows citation" 5551: 147: 131:GPX (secondary coordinates) 29:Tring Reservoirs at sunrise 10: 9477: 9383:Grade II* listed buildings 8775:Edinburgh and West Lothian 8333:Turnford and Cheshunt Pits 8198:Ashridge Commons and Woods 7736:"Tring Woodlands citation" 7704:"Tring Woodlands citation" 7556:"Therfield Heath citation" 6647:"Knebworth Woods citation" 6557:"Hillcollins Pit citation" 6126:"Blagrove Common citation" 6033:"Ashwell Springs citation" 5454:196.2 hectares (485 acres) 5307:143.9 hectares (356 acres) 5161:around 450,000 years ago. 4728:174.4 hectares (431 acres) 4704:Turnford and Cheshunt Pits 4491:100.0 hectares (247 acres) 4330:This site is described by 4249:146.5 hectares (362 acres) 2783:224.3 hectares (554 acres) 2328:128.8 hectares (318 acres) 2037:The heath is dominated by 1663:around 450,000 years ago. 17: 9363:Settlements by population 9318: 9159: 9098: 9009: 8976:Mid & South Glamorgan 8938: 8760:Dunfermline and Kirkcaldy 8735:Berwickshire and Roxburgh 8707: 8456: 8366: 8175: 7899:Group. 2003. p. 43. 7269:"Sarratt Bottom citation" 6495:"Hertford Heath citation" 5428: 5281: 5191:66.7 hectares (165 acres) 5165: 5076:0.1 hectares (0.25 acres) 5050: 4941: 4821: 4702: 4583: 4465: 4342: 4223: 4100: 4019:74.4 hectares (184 acres) 3993: 3882: 3758: 3665:60.3 hectares (149 acres) 3639: 3516: 3426:52.6 hectares (130 acres) 3400: 3317:73.2 hectares (181 acres) 3291: 3164: 3046: 2876: 2757: 2668:0.2 hectares (0.49 acres) 2642: 2537: 2410: 2302: 2176: 2083:0.2 hectares (0.49 acres) 2057: 1927: 1799: 1667: 1581:0.3 hectares (0.74 acres) 1555: 1432: 1321: 1231:75.5 hectares (187 acres) 1205: 1097: 973: 883:0.3 hectares (0.74 acres) 857: 730: 604: 477: 354: 349: 346: 343: 338: 335: 330: 327: 322: 317: 314: 311: 126:GPX (primary coordinates) 101:Map all coordinates using 9461:Geology of Hertfordshire 9378:Grade I listed buildings 8951:Carmarthen & Dinefwr 8529:East Riding of Yorkshire 8374:Castle Lime Works Quarry 8263:Oddy Hill and Tring Park 7303:. Essex Wildlife Trust. 7028:"Patmore Heath citation" 5934:"Amwell Quarry citation" 5816:"Alpine Meadow citation" 5568: 4967:11.1 hectares (27 acres) 4847:19.0 hectares (47 acres) 4609:24.1 hectares (60 acres) 4368:17.3 hectares (43 acres) 3784:3.5 hectares (8.6 acres) 3542:3.7 hectares (9.1 acres) 3036:greater butterfly-orchid 2902:36.0 hectares (89 acres) 2878:Oddy Hill and Tring Park 2563:24.0 hectares (59 acres) 2436:1.2 hectares (3.0 acres) 2202:34.2 hectares (85 acres) 1953:29.1 hectares (72 acres) 1825:15.0 hectares (37 acres) 1458:39.6 hectares (98 acres) 1389:Castle Lime Works Quarry 1347:1.4 hectares (3.5 acres) 1323:Castle Lime Works Quarry 999:20.7 hectares (51 acres) 630:37.1 hectares (92 acres) 503:0.8 hectares (2.0 acres) 380:19.8 hectares (49 acres) 304: 109:Download coordinates as: 8870:Rum and the Small Isles 8865:Renfrew and Cunninghame 8780:Falkirk and Clackmannan 8725:Badenoch and Strathspey 8379:Downfield Pit, Westmill 8343:Water End Swallow Holes 7092:"Redwell Wood citation" 7060:"Plashes Wood citation" 6615:"Hunsdon Mead citation" 5009:Water End Swallow Holes 4943:Water End Swallow Holes 4126:7.3 hectares (18 acres) 3908:6.2 hectares (15 acres) 3635:regenerates naturally. 3190:8.5 hectares (21 acres) 3072:1.0 hectare (2.5 acres) 1693:4.6 hectares (11 acres) 1623:Downfield Pit, Westmill 1557:Downfield Pit, Westmill 1123:5.0 hectares (12 acres) 289:Special Protection Area 235:National nature reserve 8800:Kincardine and Deeside 8770:East Ross and Cromarty 8394:Moor Mill Quarry, West 3506:enchanter's-nightshade 3275:. Uncommon plants are 2710:Moor Mill Quarry, West 2644:Moor Mill Quarry, West 2166:Westland Green Gravels 141: 30: 9099:Boroughs or districts 8930:Wigtown and Stewartry 8885:South East Sutherland 8850:North West Sutherland 8720:Annandale and Eskdale 6990:on 24 September 2015. 6251:"Croxley Common Moor" 4203:The site borders the 3273:Anthoxanthum odoratum 3040:southern marsh-orchid 3028:common spotted-orchid 598:common spotted orchid 167:Other classifications 121:GPX (all coordinates) 28: 8830:Mull, Coll and Tiree 8820:Mid Argyll and Cowal 8815:Mid and East Lothian 8298:Sawbridgeworth Marsh 7800:"Wain Wood citation" 7446:"Tewinbury citation" 7359:"Sherrardspark Wood" 6659:on 24 September 2015 6595:on 14 September 2016 6321:on 24 September 2015 3950:Sawbridgeworth Marsh 3884:Sawbridgeworth Marsh 3510:rare creeping willow 213:Local nature reserve 195:Essex Wildlife Trust 44:. It is bordered by 9388:Scheduled monuments 9162:(cities in italics) 9126:North Hertfordshire 8925:Western Isles South 8920:Western Isles North 8785:Gordon and Aberdeen 8318:Thorley Flood Pound 8223:Croxley Common Moor 8218:Bricket Wood Common 8208:Benington High Wood 8053:. Natural England. 8028:on 16 February 2015 7594:on 13 December 2014 7008:on 13 December 2014 6106:on 23 December 2014 5796:on 21 December 2014 5632:"Area Measurements" 5480: /  5333: /  5217: /  5102: /  4993: /  4873: /  4754: /  4635: /  4517: /  4410:Thorley Flood Pound 4394: /  4344:Thorley Flood Pound 4275: /  4152: /  4045: /  3934: /  3810: /  3691: /  3568: /  3452: /  3343: /  3216: /  3098: /  2974: /  2928: /  2809: /  2694: /  2589: /  2462: /  2354: /  2296:green-winged orchid 2228: /  2109: /  1979: /  1917:angelica sylvestris 1851: /  1719: /  1607: /  1500:Croxley Common Moor 1484: /  1434:Croxley Common Moor 1373: /  1273:Bricket Wood Common 1257: /  1207:Bricket Wood Common 1149: /  1041:Benington High Wood 1025: /  975:Benington High Wood 909: /  782: /  656: /  529: /  406: /  52:to the north-east, 9301:Welwyn Garden City 9179:Bishop's Stortford 9116:East Hertfordshire 9037:County Londonderry 8554:Greater Manchester 8303:Sherrardspark Wood 8258:Northaw Great Wood 8233:Great Hormead Park 8051:"Broxbourne Woods" 7961:"Broxbourne Woods" 7646:"Tring Reservoirs" 7536:on 4 November 2013 7510:on 4 November 2013 7127:"Roughdown Common" 6900:on 13 January 2015 5610:"People and Place" 5485:51.7441°N 0.0735°W 5422:green tiger beetle 5338:51.7589°N 0.0425°W 5222:51.6687°N 0.4455°W 5107:51.6823°N 0.4523°W 4998:51.7239°N 0.2206°W 4878:51.9155°N 0.2858°W 4759:51.7090°N 0.0186°W 4640:51.7812°N 0.6721°W 4522:51.8135°N 0.6683°W 4459:early marsh orchid 4399:51.8434°N 0.1615°E 4280:52.0423°N 0.0549°W 4157:51.8095°N 0.1679°W 4061:Sherrardspark Wood 4050:51.8102°N 0.2172°W 4028:Welwyn Garden City 3995:Sherrardspark Wood 3939:51.8209°N 0.1634°E 3864:sweet vernal grass 3815:51.6794°N 0.5102°W 3696:51.7760°N 0.0061°E 3573:51.7402°N 0.4850°W 3457:51.7081°N 0.2459°W 3348:51.8669°N 0.0058°E 3221:51.9120°N 0.0965°E 3103:51.9552°N 0.2959°W 2979:51.7837°N 0.6561°W 2933:51.7890°N 0.6473°W 2825:Northaw Great Wood 2814:51.7228°N 0.1483°W 2759:Northaw Great Wood 2699:51.7119°N 0.3506°W 2594:51.9211°N 0.0674°W 2467:51.7633°N 0.5278°W 2359:51.8857°N 0.2172°W 2233:51.7797°N 0.0541°E 2114:51.9211°N 0.0954°E 1984:51.7813°N 0.0372°W 1867:Great Hormead Park 1856:51.9432°N 0.0616°E 1801:Great Hormead Park 1724:51.6796°N 0.5247°W 1612:51.8308°N 0.0437°W 1549:yellow meadow ants 1489:51.6425°N 0.4363°W 1378:51.7087°N 0.2227°W 1262:51.6964°N 0.3664°W 1154:51.9868°N 0.0704°W 1030:51.8952°N 0.1339°W 914:52.0421°N 0.1497°W 787:51.8116°N 0.5871°W 661:51.7978°N 0.0045°W 534:51.7826°N 0.5677°W 411:51.8120°N 0.6219°W 280:Scheduled monument 64:to the south. The 31: 9431: 9430: 9160:Major settlements 9131:City of St Albans 9085:Ceremonial county 9050: 9049: 8880:Skye and Lochalsh 8412: 8411: 8253:Moor Hall Meadows 7478:"Therfield Heath" 6376:"Frogmore Meadow" 6100:"Blagrove Common" 5660:. Natural England 5549: 5548: 5511: 5455: 5370: 5308: 5248: 5192: 5133: 5077: 5024: 4968: 4904: 4848: 4785: 4729: 4666: 4610: 4554: 4492: 4425: 4369: 4306: 4250: 4183: 4127: 4076: 4020: 3965: 3909: 3876:common spike-rush 3841: 3785: 3722: 3666: 3599: 3543: 3483: 3427: 3374: 3318: 3285:emperor dragonfly 3247: 3191: 3129: 3073: 3005: 2903: 2840: 2784: 2725: 2669: 2620: 2605:Moor Hall Meadows 2564: 2539:Moor Hall Meadows 2493: 2437: 2385: 2329: 2259: 2203: 2140: 2084: 2017: 1954: 1923:in wetter areas. 1921:tufted hair grass 1882: 1826: 1750: 1694: 1638: 1582: 1515: 1459: 1404: 1348: 1311:purple moor-grass 1288: 1232: 1180: 1124: 1056: 1000: 940: 884: 813: 757: 724:hairlike pondweed 687: 631: 560: 504: 437: 381: 9468: 9398:Lord Lieutenants 9368:Lost settlements 9353:Boundary changes 9093: 9087: 9077: 9070: 9063: 9054: 9053: 9032:County Fermanagh 9010:Northern Ireland 8750:Cumnock and Kyle 8730:Banff and Buchan 8715:Angus and Dundee 8614:Northamptonshire 8439: 8432: 8425: 8416: 8415: 8399:Oughtonhead Lane 8389:Little Heath Pit 8348:Whippendell Wood 8323:Tring Reservoirs 8283:Roughdown Common 8228:Frogmore Meadows 8158: 8151: 8144: 8135: 8134: 8128: 8127: 8125: 8123: 8117: 8110: 8102: 8093: 8092: 8090: 8088: 8073: 8067: 8066: 8064: 8062: 8047: 8038: 8037: 8035: 8033: 8018: 8012: 8011: 8009: 8007: 8001: 7994: 7986: 7977: 7976: 7974: 7972: 7957: 7948: 7947: 7945: 7943: 7937: 7930: 7922: 7916: 7915: 7913: 7911: 7905: 7894: 7886: 7880: 7879: 7877: 7875: 7860: 7854: 7853: 7851: 7849: 7843: 7836: 7828: 7822: 7821: 7819: 7817: 7811: 7804: 7796: 7790: 7789: 7787: 7785: 7779: 7772: 7764: 7758: 7757: 7755: 7753: 7747: 7740: 7732: 7726: 7725: 7723: 7721: 7715: 7708: 7700: 7694: 7693: 7691: 7689: 7683: 7676: 7668: 7662: 7661: 7659: 7657: 7652:on 27 April 2015 7642: 7636: 7635: 7633: 7631: 7625: 7618: 7610: 7604: 7603: 7601: 7599: 7584: 7578: 7577: 7575: 7573: 7567: 7560: 7552: 7546: 7545: 7543: 7541: 7532:. Archived from 7526: 7520: 7519: 7517: 7515: 7506:. Archived from 7500: 7494: 7493: 7491: 7489: 7474: 7468: 7467: 7465: 7463: 7457: 7450: 7442: 7436: 7435: 7433: 7431: 7416: 7407: 7406: 7404: 7402: 7396: 7389: 7381: 7375: 7374: 7372: 7370: 7355: 7349: 7348: 7346: 7344: 7338: 7331: 7323: 7317: 7316: 7314: 7312: 7297: 7291: 7290: 7288: 7286: 7280: 7273: 7265: 7259: 7258: 7256: 7254: 7239: 7233: 7232: 7230: 7228: 7213: 7204: 7203: 7201: 7199: 7184: 7175: 7174: 7172: 7170: 7164: 7157: 7149: 7143: 7142: 7140: 7138: 7123: 7114: 7113: 7111: 7109: 7103: 7096: 7088: 7082: 7081: 7079: 7077: 7071: 7064: 7056: 7050: 7049: 7047: 7045: 7039: 7032: 7024: 7018: 7017: 7015: 7013: 6998: 6992: 6991: 6989: 6982: 6974: 6968: 6967: 6965: 6963: 6948: 6942: 6941: 6939: 6937: 6931: 6924: 6916: 6910: 6909: 6907: 6905: 6890: 6884: 6883: 6881: 6879: 6873: 6866: 6858: 6852: 6851: 6849: 6847: 6832: 6826: 6825: 6823: 6821: 6815: 6808: 6800: 6794: 6793: 6791: 6789: 6774: 6768: 6767: 6765: 6763: 6757: 6750: 6742: 6736: 6733: 6727: 6726: 6724: 6722: 6716: 6709: 6701: 6695: 6694: 6692: 6690: 6675: 6669: 6668: 6666: 6664: 6658: 6651: 6643: 6637: 6636: 6634: 6632: 6626: 6619: 6611: 6605: 6604: 6602: 6600: 6585: 6579: 6578: 6576: 6574: 6568: 6561: 6553: 6547: 6546: 6544: 6542: 6523: 6517: 6516: 6514: 6512: 6506: 6499: 6491: 6485: 6484: 6482: 6480: 6475:on 11 April 2015 6469:"Hertford Heath" 6465: 6456: 6455: 6453: 6451: 6445: 6438: 6430: 6424: 6423: 6421: 6419: 6413: 6406: 6398: 6392: 6391: 6389: 6387: 6372: 6363: 6362: 6360: 6358: 6352: 6345: 6337: 6331: 6330: 6328: 6326: 6320: 6313: 6305: 6299: 6298: 6296: 6294: 6288: 6281: 6273: 6267: 6266: 6264: 6262: 6257:on 9 August 2014 6247: 6238: 6237: 6235: 6233: 6227: 6220: 6212: 6206: 6205: 6203: 6201: 6186: 6180: 6179: 6177: 6175: 6169: 6162: 6154: 6148: 6147: 6145: 6143: 6137: 6130: 6122: 6116: 6115: 6113: 6111: 6096: 6087: 6086: 6084: 6082: 6076: 6069: 6061: 6055: 6054: 6052: 6050: 6044: 6037: 6029: 6023: 6022: 6020: 6018: 6012: 6005: 5997: 5991: 5990: 5988: 5986: 5980: 5973: 5965: 5956: 5955: 5953: 5951: 5945: 5938: 5930: 5924: 5923: 5921: 5919: 5904: 5898: 5897: 5895: 5893: 5878: 5867: 5866: 5864: 5862: 5857:on 19 April 2015 5847: 5838: 5837: 5835: 5833: 5827: 5820: 5812: 5806: 5805: 5803: 5801: 5786: 5780: 5779: 5777: 5775: 5764:"Aldbury Nowers" 5760: 5754: 5753: 5751: 5749: 5744:on 20 March 2009 5743: 5736: 5732:"Aldbury Nowers" 5728: 5722: 5721: 5719: 5717: 5706:"Aldbury Nowers" 5702: 5696: 5695: 5693: 5691: 5676: 5670: 5669: 5667: 5665: 5654: 5648: 5647: 5645: 5643: 5628: 5622: 5621: 5619: 5617: 5606: 5589: 5586: 5533: 5510: 5504: 5503: 5501: 5500: 5499: 5497: 5492: 5491: 5490:51.7441; -0.0735 5486: 5481: 5478: 5477: 5476: 5473: 5461: 5453: 5448: 5445: 5444: 5438: 5414:yellow archangel 5400: 5369: 5363: 5357: 5356: 5354: 5353: 5352: 5350: 5345: 5344: 5343:51.7589; -0.0425 5339: 5334: 5331: 5330: 5329: 5326: 5314: 5306: 5301: 5298: 5297: 5291: 5257: 5247: 5241: 5240: 5238: 5237: 5236: 5234: 5233:Whippendell Wood 5229: 5228: 5227:51.6687; -0.4455 5223: 5218: 5215: 5214: 5213: 5210: 5198: 5190: 5185: 5182: 5181: 5175: 5167:Whippendell Wood 5145: 5132: 5126: 5125: 5123: 5122: 5121: 5119: 5114: 5113: 5112:51.6823; -0.4523 5108: 5103: 5100: 5099: 5098: 5095: 5083: 5075: 5072: 5069: 5068: 5060: 5044:reed sweet-grass 5033: 5023: 5017: 5016: 5014: 5013: 5012: 5010: 5005: 5004: 5003:51.7239; -0.2206 4999: 4994: 4991: 4990: 4989: 4986: 4974: 4966: 4961: 4958: 4957: 4951: 4913: 4903: 4897: 4896: 4894: 4893: 4892: 4890: 4885: 4884: 4883:51.9155; -0.2858 4879: 4874: 4871: 4870: 4869: 4866: 4854: 4846: 4841: 4838: 4837: 4831: 4797: 4784: 4778: 4777: 4775: 4774: 4773: 4771: 4766: 4765: 4764:51.7090; -0.0186 4760: 4755: 4752: 4751: 4750: 4747: 4735: 4727: 4722: 4719: 4718: 4712: 4678: 4665: 4659: 4658: 4656: 4655: 4654: 4652: 4647: 4646: 4645:51.7812; -0.6721 4641: 4636: 4633: 4632: 4631: 4628: 4616: 4608: 4603: 4600: 4599: 4593: 4566: 4553: 4547: 4541: 4540: 4538: 4537: 4536: 4534: 4533:Tring Reservoirs 4529: 4528: 4527:51.8135; -0.6683 4523: 4518: 4515: 4514: 4513: 4510: 4498: 4490: 4485: 4482: 4481: 4475: 4467:Tring Reservoirs 4447:reed sweet-grass 4437: 4424: 4418: 4417: 4415: 4414: 4413: 4411: 4406: 4405: 4400: 4395: 4392: 4391: 4390: 4387: 4375: 4367: 4362: 4359: 4358: 4352: 4322: 4305: 4299: 4298: 4296: 4295: 4294: 4292: 4287: 4286: 4285:52.0423; -0.0549 4281: 4276: 4273: 4272: 4271: 4268: 4256: 4248: 4243: 4240: 4239: 4233: 4195: 4182: 4176: 4175: 4173: 4172: 4171: 4169: 4164: 4163: 4162:51.8095; -0.1679 4158: 4153: 4150: 4149: 4148: 4145: 4133: 4125: 4120: 4117: 4116: 4110: 4088: 4075: 4069: 4068: 4066: 4065: 4064: 4062: 4057: 4056: 4055:51.8102; -0.2172 4051: 4046: 4043: 4042: 4041: 4038: 4026: 4018: 4013: 4010: 4009: 4003: 3977: 3964: 3958: 3957: 3955: 3954: 3953: 3951: 3946: 3945: 3940: 3935: 3932: 3931: 3930: 3927: 3915: 3907: 3902: 3899: 3898: 3892: 3850: 3840: 3834: 3833: 3831: 3830: 3829: 3827: 3822: 3821: 3820:51.6794; -0.5102 3816: 3811: 3808: 3807: 3806: 3803: 3791: 3783: 3778: 3775: 3774: 3768: 3745: 3721: 3715: 3714: 3712: 3711: 3710: 3708: 3703: 3702: 3697: 3692: 3689: 3688: 3687: 3684: 3672: 3664: 3659: 3656: 3655: 3649: 3629:meadow oat-grass 3611: 3598: 3592: 3591: 3589: 3588: 3587: 3585: 3584:Roughdown Common 3580: 3579: 3578:51.7402; -0.4850 3574: 3569: 3566: 3565: 3564: 3561: 3549: 3541: 3536: 3533: 3532: 3526: 3518:Roughdown Common 3492: 3482: 3476: 3475: 3473: 3472: 3471: 3469: 3464: 3463: 3462:51.7081; -0.2459 3458: 3453: 3450: 3449: 3448: 3445: 3433: 3425: 3420: 3417: 3416: 3410: 3394:hoary cinquefoil 3383: 3373: 3367: 3366: 3364: 3363: 3362: 3360: 3355: 3354: 3349: 3344: 3341: 3340: 3339: 3336: 3324: 3316: 3311: 3308: 3307: 3301: 3259: 3246: 3240: 3239: 3237: 3236: 3235: 3233: 3228: 3227: 3222: 3217: 3214: 3213: 3212: 3209: 3197: 3189: 3184: 3181: 3180: 3174: 3141: 3128: 3122: 3121: 3119: 3118: 3117: 3115: 3114:Oughtonhead Lane 3110: 3109: 3108:51.9552; -0.2959 3104: 3099: 3096: 3095: 3094: 3091: 3079: 3071: 3068: 3065: 3064: 3056: 3048:Oughtonhead Lane 3032:common twayblade 3018: 3004: 2998: 2997: 2995: 2994: 2993: 2991: 2986: 2985: 2984:51.7837; -0.6561 2980: 2975: 2972: 2971: 2970: 2967: 2958: 2952: 2951: 2949: 2948: 2947: 2945: 2940: 2939: 2938:51.7890; -0.6473 2934: 2929: 2926: 2925: 2924: 2921: 2909: 2901: 2896: 2893: 2892: 2886: 2852: 2839: 2833: 2832: 2830: 2829: 2828: 2826: 2821: 2820: 2819:51.7228; -0.1483 2815: 2810: 2807: 2806: 2805: 2802: 2790: 2782: 2777: 2774: 2773: 2767: 2737: 2724: 2718: 2717: 2715: 2714: 2713: 2711: 2706: 2705: 2704:51.7119; -0.3506 2700: 2695: 2692: 2691: 2690: 2687: 2675: 2667: 2664: 2661: 2660: 2652: 2629: 2619: 2613: 2612: 2610: 2609: 2608: 2606: 2601: 2600: 2599:51.9211; -0.0674 2595: 2590: 2587: 2586: 2585: 2582: 2570: 2562: 2557: 2554: 2553: 2547: 2509: 2492: 2486: 2485: 2483: 2482: 2481: 2479: 2478:Little Heath Pit 2474: 2473: 2472:51.7633; -0.5278 2468: 2463: 2460: 2459: 2458: 2455: 2443: 2435: 2432: 2429: 2428: 2420: 2412:Little Heath Pit 2394: 2384: 2378: 2377: 2375: 2374: 2373: 2371: 2366: 2365: 2364:51.8857; -0.2172 2360: 2355: 2352: 2351: 2350: 2347: 2335: 2327: 2322: 2319: 2318: 2312: 2292:pepper saxifrage 2271: 2258: 2252: 2251: 2249: 2248: 2247: 2245: 2240: 2239: 2234: 2229: 2226: 2225: 2224: 2221: 2209: 2201: 2196: 2193: 2192: 2186: 2152: 2139: 2133: 2132: 2130: 2129: 2128: 2126: 2121: 2120: 2115: 2110: 2107: 2106: 2105: 2102: 2090: 2082: 2079: 2076: 2075: 2067: 2029: 2016: 2009: 2003: 2002: 2000: 1999: 1998: 1996: 1991: 1990: 1989:51.7813; -0.0372 1985: 1980: 1977: 1976: 1975: 1972: 1960: 1952: 1947: 1944: 1943: 1937: 1891: 1881: 1875: 1874: 1872: 1871: 1870: 1868: 1863: 1862: 1857: 1852: 1849: 1848: 1847: 1844: 1832: 1824: 1819: 1816: 1815: 1809: 1767: 1749: 1743: 1742: 1740: 1739: 1738: 1736: 1735:Frogmore Meadows 1731: 1730: 1729:51.6796; -0.5247 1725: 1720: 1717: 1716: 1715: 1712: 1700: 1692: 1687: 1684: 1683: 1677: 1669:Frogmore Meadows 1647: 1637: 1631: 1630: 1628: 1627: 1626: 1624: 1619: 1618: 1617:51.8308; -0.0437 1613: 1608: 1605: 1604: 1603: 1600: 1588: 1580: 1577: 1574: 1573: 1565: 1527: 1514: 1508: 1507: 1505: 1504: 1503: 1501: 1496: 1495: 1494:51.6425; -0.4363 1490: 1485: 1482: 1481: 1480: 1477: 1465: 1457: 1452: 1449: 1448: 1442: 1416: 1403: 1397: 1396: 1394: 1393: 1392: 1390: 1385: 1384: 1383:51.7087; -0.2227 1379: 1374: 1371: 1370: 1369: 1366: 1354: 1346: 1343: 1340: 1339: 1331: 1297: 1287: 1281: 1280: 1278: 1277: 1276: 1274: 1269: 1268: 1267:51.6964; -0.3664 1263: 1258: 1255: 1254: 1253: 1250: 1238: 1230: 1225: 1222: 1221: 1215: 1192: 1179: 1173: 1172: 1170: 1169: 1168: 1166: 1161: 1160: 1159:51.9868; -0.0704 1155: 1150: 1147: 1146: 1145: 1142: 1130: 1122: 1117: 1114: 1113: 1107: 1065: 1055: 1049: 1048: 1046: 1045: 1044: 1042: 1037: 1036: 1035:51.8952; -0.1339 1031: 1026: 1023: 1022: 1021: 1018: 1006: 998: 993: 990: 989: 983: 967:Polycelis felina 949: 939: 933: 932: 930: 929: 928: 926: 921: 920: 919:52.0421; -0.1497 915: 910: 907: 906: 905: 902: 890: 882: 877: 874: 873: 867: 829: 812: 806: 805: 803: 802: 801: 799: 794: 793: 792:51.8116; -0.5871 788: 783: 780: 779: 778: 775: 765:Little Gaddesden 763: 755: 750: 747: 746: 740: 710: 686: 680: 679: 677: 676: 675: 673: 668: 667: 666:51.7978; -0.0045 662: 657: 654: 653: 652: 649: 637: 629: 624: 621: 620: 614: 594:common twayblade 572: 559: 553: 552: 550: 549: 548: 546: 541: 540: 539:51.7826; -0.5677 535: 530: 527: 526: 525: 522: 510: 502: 497: 494: 493: 487: 463:Duke of Burgundy 449: 436: 430: 429: 427: 426: 425: 423: 418: 417: 416:51.8120; -0.6219 412: 407: 404: 403: 402: 399: 387: 379: 374: 371: 370: 364: 341:classifications 325: 320: 309: 308: 60:to the west and 9476: 9475: 9471: 9470: 9469: 9467: 9466: 9465: 9436: 9435: 9432: 9427: 9314: 9303: 9224:Hemel Hempstead 9161: 9155: 9151:Welwyn Hatfield 9094: 9089: 9083: 9081: 9051: 9046: 9005: 8934: 8840:North East Fife 8825:Moray and Nairn 8703: 8649:South Yorkshire 8624:Nottinghamshire 8609:North Yorkshire 8544:Gloucestershire 8479:Buckinghamshire 8452: 8443: 8413: 8408: 8404:Westwood Quarry 8384:Hillcollins Pit 8362: 8328:Tring Woodlands 8313:Therfield Heath 8248:Knebworth Woods 8213:Blagrove Common 8203:Ashwell Springs 8171: 8162: 8132: 8131: 8121: 8119: 8115: 8108: 8104: 8103: 8096: 8086: 8084: 8075: 8074: 8070: 8060: 8058: 8049: 8048: 8041: 8031: 8029: 8020: 8019: 8015: 8005: 8003: 7999: 7992: 7988: 7987: 7980: 7970: 7968: 7959: 7958: 7951: 7941: 7939: 7935: 7928: 7924: 7923: 7919: 7909: 7907: 7903: 7892: 7888: 7887: 7883: 7873: 7871: 7862: 7861: 7857: 7847: 7845: 7841: 7834: 7830: 7829: 7825: 7815: 7813: 7809: 7802: 7798: 7797: 7793: 7783: 7781: 7777: 7770: 7766: 7765: 7761: 7751: 7749: 7745: 7738: 7734: 7733: 7729: 7719: 7717: 7713: 7706: 7702: 7701: 7697: 7687: 7685: 7681: 7674: 7670: 7669: 7665: 7655: 7653: 7644: 7643: 7639: 7629: 7627: 7626:on 3 March 2016 7623: 7616: 7612: 7611: 7607: 7597: 7595: 7586: 7585: 7581: 7571: 7569: 7565: 7558: 7554: 7553: 7549: 7539: 7537: 7528: 7527: 7523: 7513: 7511: 7502: 7501: 7497: 7487: 7485: 7476: 7475: 7471: 7461: 7459: 7458:on 4 March 2016 7455: 7448: 7444: 7443: 7439: 7429: 7427: 7418: 7417: 7410: 7400: 7398: 7394: 7387: 7383: 7382: 7378: 7368: 7366: 7357: 7356: 7352: 7342: 7340: 7336: 7329: 7325: 7324: 7320: 7310: 7308: 7299: 7298: 7294: 7284: 7282: 7278: 7271: 7267: 7266: 7262: 7252: 7250: 7241: 7240: 7236: 7226: 7224: 7223:on 17 July 2015 7215: 7214: 7207: 7197: 7195: 7186: 7185: 7178: 7168: 7166: 7165:on 4 March 2016 7162: 7155: 7151: 7150: 7146: 7136: 7134: 7125: 7124: 7117: 7107: 7105: 7104:on 4 March 2016 7101: 7094: 7090: 7089: 7085: 7075: 7073: 7072:on 3 March 2016 7069: 7062: 7058: 7057: 7053: 7043: 7041: 7040:on 4 March 2016 7037: 7030: 7026: 7025: 7021: 7011: 7009: 7002:"Patmore Heath" 7000: 6999: 6995: 6987: 6980: 6976: 6975: 6971: 6961: 6959: 6950: 6949: 6945: 6935: 6933: 6929: 6922: 6918: 6917: 6913: 6903: 6901: 6892: 6891: 6887: 6877: 6875: 6871: 6864: 6860: 6859: 6855: 6845: 6843: 6834: 6833: 6829: 6819: 6817: 6813: 6806: 6802: 6801: 6797: 6787: 6785: 6776: 6775: 6771: 6761: 6759: 6755: 6748: 6744: 6743: 6739: 6734: 6730: 6720: 6718: 6714: 6707: 6703: 6702: 6698: 6688: 6686: 6677: 6676: 6672: 6662: 6660: 6656: 6649: 6645: 6644: 6640: 6630: 6628: 6627:on 4 March 2016 6624: 6617: 6613: 6612: 6608: 6598: 6596: 6587: 6586: 6582: 6572: 6570: 6566: 6559: 6555: 6554: 6550: 6540: 6538: 6525: 6524: 6520: 6510: 6508: 6507:on 4 March 2016 6504: 6497: 6493: 6492: 6488: 6478: 6476: 6467: 6466: 6459: 6449: 6447: 6443: 6436: 6432: 6431: 6427: 6417: 6415: 6414:on 3 March 2016 6411: 6404: 6400: 6399: 6395: 6385: 6383: 6374: 6373: 6366: 6356: 6354: 6353:on 3 March 2016 6350: 6343: 6339: 6338: 6334: 6324: 6322: 6318: 6311: 6307: 6306: 6302: 6292: 6290: 6289:on 4 March 2016 6286: 6279: 6275: 6274: 6270: 6260: 6258: 6249: 6248: 6241: 6231: 6229: 6228:on 4 March 2016 6225: 6218: 6214: 6213: 6209: 6199: 6197: 6188: 6187: 6183: 6173: 6171: 6170:on 3 March 2016 6167: 6160: 6156: 6155: 6151: 6141: 6139: 6138:on 4 March 2016 6135: 6128: 6124: 6123: 6119: 6109: 6107: 6098: 6097: 6090: 6080: 6078: 6077:on 3 March 2016 6074: 6067: 6063: 6062: 6058: 6048: 6046: 6045:on 4 March 2016 6042: 6035: 6031: 6030: 6026: 6016: 6014: 6013:on 4 March 2016 6010: 6003: 5999: 5998: 5994: 5984: 5982: 5981:on 4 March 2016 5978: 5971: 5967: 5966: 5959: 5949: 5947: 5943: 5936: 5932: 5931: 5927: 5917: 5915: 5906: 5905: 5901: 5891: 5889: 5880: 5879: 5870: 5860: 5858: 5849: 5848: 5841: 5831: 5829: 5828:on 4 March 2016 5825: 5818: 5814: 5813: 5809: 5799: 5797: 5790:"Alpine Meadow" 5788: 5787: 5783: 5773: 5771: 5770:on 23 July 2011 5762: 5761: 5757: 5747: 5745: 5741: 5734: 5730: 5729: 5725: 5715: 5713: 5704: 5703: 5699: 5689: 5687: 5678: 5677: 5673: 5663: 5661: 5656: 5655: 5651: 5641: 5639: 5630: 5629: 5625: 5615: 5613: 5612:. Herts Insight 5608: 5607: 5603: 5598: 5593: 5592: 5587: 5576: 5571: 5554: 5506: 5505: 5495: 5493: 5489: 5487: 5483: 5482: 5479: 5474: 5471: 5469: 5467: 5466: 5465: 5446: 5442: 5365: 5364: 5359: 5358: 5348: 5346: 5342: 5340: 5336: 5335: 5332: 5327: 5324: 5322: 5320: 5319: 5318: 5299: 5295: 5243: 5242: 5232: 5230: 5226: 5224: 5220: 5219: 5216: 5211: 5208: 5206: 5204: 5203: 5202: 5183: 5179: 5159:Anglian Ice Age 5128: 5127: 5118:Westwood Quarry 5117: 5115: 5111: 5109: 5105: 5104: 5101: 5096: 5093: 5091: 5089: 5088: 5087: 5070: 5066: 5052:Westwood Quarry 5019: 5018: 5008: 5006: 5002: 5000: 4996: 4995: 4992: 4987: 4984: 4982: 4980: 4979: 4978: 4959: 4955: 4928:Quercus petraea 4923:pedunculate oak 4899: 4898: 4888: 4886: 4882: 4880: 4876: 4875: 4872: 4867: 4864: 4862: 4860: 4859: 4858: 4839: 4835: 4780: 4779: 4769: 4767: 4763: 4761: 4757: 4756: 4753: 4748: 4745: 4743: 4741: 4740: 4739: 4720: 4716: 4661: 4660: 4651:Tring Woodlands 4650: 4648: 4644: 4642: 4638: 4637: 4634: 4629: 4626: 4624: 4622: 4621: 4620: 4601: 4597: 4585:Tring Woodlands 4549: 4548: 4543: 4542: 4532: 4530: 4526: 4524: 4520: 4519: 4516: 4511: 4508: 4506: 4504: 4503: 4502: 4483: 4479: 4420: 4419: 4409: 4407: 4404:51.8434; 0.1615 4403: 4401: 4397: 4396: 4393: 4388: 4385: 4383: 4381: 4380: 4379: 4360: 4356: 4332:Natural England 4301: 4300: 4291:Therfield Heath 4290: 4288: 4284: 4282: 4278: 4277: 4274: 4269: 4266: 4264: 4262: 4261: 4260: 4241: 4237: 4225:Therfield Heath 4178: 4177: 4167: 4165: 4161: 4159: 4155: 4154: 4151: 4146: 4143: 4141: 4139: 4138: 4137: 4118: 4114: 4071: 4070: 4060: 4058: 4054: 4052: 4048: 4047: 4044: 4039: 4036: 4034: 4032: 4031: 4030: 4011: 4007: 3960: 3959: 3949: 3947: 3944:51.8209; 0.1634 3943: 3941: 3937: 3936: 3933: 3928: 3925: 3923: 3921: 3920: 3919: 3900: 3896: 3872:marsh horsetail 3836: 3835: 3825: 3823: 3819: 3817: 3813: 3812: 3809: 3804: 3801: 3799: 3797: 3796: 3795: 3776: 3772: 3717: 3716: 3706: 3704: 3701:51.7760; 0.0061 3700: 3698: 3694: 3693: 3690: 3685: 3682: 3680: 3678: 3677: 3676: 3657: 3653: 3594: 3593: 3583: 3581: 3577: 3575: 3571: 3570: 3567: 3562: 3559: 3557: 3555: 3554: 3553: 3551:Hemel Hempstead 3534: 3530: 3502:pedunculate oak 3478: 3477: 3467: 3465: 3461: 3459: 3455: 3454: 3451: 3446: 3443: 3441: 3439: 3438: 3437: 3418: 3414: 3369: 3368: 3358: 3356: 3353:51.8669; 0.0058 3352: 3350: 3346: 3345: 3342: 3337: 3334: 3332: 3330: 3329: 3328: 3309: 3305: 3242: 3241: 3231: 3229: 3226:51.9120; 0.0965 3225: 3223: 3219: 3218: 3215: 3210: 3207: 3205: 3203: 3202: 3201: 3182: 3178: 3124: 3123: 3113: 3111: 3107: 3105: 3101: 3100: 3097: 3092: 3089: 3087: 3085: 3084: 3083: 3066: 3062: 3000: 2999: 2989: 2987: 2983: 2981: 2977: 2976: 2973: 2968: 2965: 2963: 2961: 2960: 2959: 2954: 2953: 2943: 2941: 2937: 2935: 2931: 2930: 2927: 2922: 2919: 2917: 2915: 2914: 2913: 2894: 2890: 2835: 2834: 2824: 2822: 2818: 2816: 2812: 2811: 2808: 2803: 2800: 2798: 2796: 2795: 2794: 2775: 2771: 2751:Natural England 2720: 2719: 2709: 2707: 2703: 2701: 2697: 2696: 2693: 2688: 2685: 2683: 2681: 2680: 2679: 2662: 2658: 2615: 2614: 2604: 2602: 2598: 2596: 2592: 2591: 2588: 2583: 2580: 2578: 2576: 2575: 2574: 2555: 2551: 2488: 2487: 2477: 2475: 2471: 2469: 2465: 2464: 2461: 2456: 2453: 2451: 2449: 2448: 2447: 2430: 2426: 2380: 2379: 2370:Knebworth Woods 2369: 2367: 2363: 2361: 2357: 2356: 2353: 2348: 2345: 2343: 2341: 2340: 2339: 2320: 2316: 2304:Knebworth Woods 2254: 2253: 2243: 2241: 2238:51.7797; 0.0541 2237: 2235: 2231: 2230: 2227: 2222: 2219: 2217: 2215: 2214: 2213: 2194: 2190: 2135: 2134: 2125:Hillcollins Pit 2124: 2122: 2119:51.9211; 0.0954 2118: 2116: 2112: 2111: 2108: 2103: 2100: 2098: 2096: 2095: 2094: 2077: 2073: 2059:Hillcollins Pit 2012: 2011: 2005: 2004: 1994: 1992: 1988: 1986: 1982: 1981: 1978: 1973: 1970: 1968: 1966: 1965: 1964: 1945: 1941: 1877: 1876: 1866: 1864: 1861:51.9432; 0.0616 1860: 1858: 1854: 1853: 1850: 1845: 1842: 1840: 1838: 1837: 1836: 1817: 1813: 1745: 1744: 1734: 1732: 1728: 1726: 1722: 1721: 1718: 1713: 1710: 1708: 1706: 1705: 1704: 1685: 1681: 1661:Anglian ice age 1633: 1632: 1622: 1620: 1616: 1614: 1610: 1609: 1606: 1601: 1598: 1596: 1594: 1593: 1592: 1575: 1571: 1510: 1509: 1499: 1497: 1493: 1491: 1487: 1486: 1483: 1478: 1475: 1473: 1471: 1470: 1469: 1450: 1446: 1425:Natural England 1399: 1398: 1388: 1386: 1382: 1380: 1376: 1375: 1372: 1367: 1364: 1362: 1360: 1359: 1358: 1341: 1337: 1283: 1282: 1272: 1270: 1266: 1264: 1260: 1259: 1256: 1251: 1248: 1246: 1244: 1243: 1242: 1223: 1219: 1175: 1174: 1165:Blagrove Common 1164: 1162: 1158: 1156: 1152: 1151: 1148: 1143: 1140: 1138: 1136: 1135: 1134: 1115: 1111: 1099:Blagrove Common 1079:pedunculate oak 1075:Natural England 1051: 1050: 1040: 1038: 1034: 1032: 1028: 1027: 1024: 1019: 1016: 1014: 1012: 1011: 1010: 991: 987: 963:Crenobia alpina 935: 934: 925:Ashwell Springs 924: 922: 918: 916: 912: 911: 908: 903: 900: 898: 896: 895: 894: 875: 871: 859:Ashwell Springs 843:common redstart 808: 807: 797: 795: 791: 789: 785: 784: 781: 776: 773: 771: 769: 768: 767: 748: 744: 682: 681: 671: 669: 665: 663: 659: 658: 655: 650: 647: 645: 643: 642: 641: 622: 618: 555: 554: 544: 542: 538: 536: 532: 531: 528: 523: 520: 518: 516: 515: 514: 495: 491: 459:chalk grassland 432: 431: 421: 419: 415: 413: 409: 408: 405: 400: 397: 395: 393: 392: 391: 372: 368: 340: 332: 307: 302: 169: 150: 144: 139: 138: 137: 136: 135: 85:Natural England 58:Buckinghamshire 42:eastern England 23: 12: 11: 5: 9474: 9464: 9463: 9458: 9453: 9448: 9429: 9428: 9426: 9425: 9420: 9415: 9410: 9405: 9400: 9395: 9390: 9385: 9380: 9375: 9370: 9365: 9360: 9355: 9350: 9345: 9340: 9335: 9334: 9333: 9322: 9320: 9316: 9315: 9313: 9312: 9298: 9293: 9288: 9283: 9278: 9273: 9266: 9264:Sawbridgeworth 9261: 9256: 9251: 9246: 9241: 9236: 9231: 9226: 9221: 9216: 9211: 9206: 9201: 9196: 9191: 9186: 9181: 9176: 9171: 9165: 9163: 9157: 9156: 9154: 9153: 9148: 9143: 9138: 9133: 9128: 9123: 9118: 9113: 9108: 9102: 9100: 9096: 9095: 9080: 9079: 9072: 9065: 9057: 9048: 9047: 9045: 9044: 9039: 9034: 9029: 9024: 9019: 9013: 9011: 9007: 9006: 9004: 9003: 8998: 8996:West Glamorgan 8993: 8988: 8983: 8978: 8973: 8968: 8963: 8958: 8953: 8948: 8942: 8940: 8936: 8935: 8933: 8932: 8927: 8922: 8917: 8912: 8907: 8902: 8897: 8892: 8890:South Lochaber 8887: 8882: 8877: 8872: 8867: 8862: 8857: 8852: 8847: 8845:North Lochaber 8842: 8837: 8832: 8827: 8822: 8817: 8812: 8807: 8802: 8797: 8795:Islay and Jura 8792: 8787: 8782: 8777: 8772: 8767: 8762: 8757: 8752: 8747: 8742: 8737: 8732: 8727: 8722: 8717: 8711: 8709: 8705: 8704: 8702: 8701: 8699:Worcestershire 8696: 8691: 8689:West Yorkshire 8686: 8681: 8676: 8671: 8666: 8661: 8656: 8651: 8646: 8641: 8636: 8631: 8626: 8621: 8619:Northumberland 8616: 8611: 8606: 8601: 8596: 8591: 8589:Leicestershire 8586: 8581: 8576: 8571: 8566: 8561: 8556: 8551: 8549:Greater London 8546: 8541: 8536: 8531: 8526: 8521: 8516: 8511: 8506: 8501: 8496: 8491: 8486: 8484:Cambridgeshire 8481: 8476: 8471: 8466: 8460: 8458: 8454: 8453: 8450:Area of Search 8442: 8441: 8434: 8427: 8419: 8410: 8409: 8407: 8406: 8401: 8396: 8391: 8386: 8381: 8376: 8370: 8368: 8364: 8363: 8361: 8360: 8355: 8350: 8345: 8340: 8335: 8330: 8325: 8320: 8315: 8310: 8305: 8300: 8295: 8293:Sarratt Bottom 8290: 8285: 8280: 8275: 8270: 8265: 8260: 8255: 8250: 8245: 8240: 8238:Hertford Heath 8235: 8230: 8225: 8220: 8215: 8210: 8205: 8200: 8195: 8190: 8185: 8183:Aldbury Nowers 8179: 8177: 8173: 8172: 8161: 8160: 8153: 8146: 8138: 8130: 8129: 8094: 8068: 8039: 8013: 7978: 7949: 7917: 7881: 7855: 7823: 7791: 7759: 7727: 7695: 7663: 7637: 7605: 7588:"Thorley Wash" 7579: 7547: 7521: 7495: 7469: 7437: 7408: 7376: 7350: 7318: 7292: 7260: 7234: 7205: 7176: 7144: 7115: 7083: 7051: 7019: 6993: 6969: 6943: 6911: 6885: 6853: 6827: 6795: 6769: 6737: 6728: 6696: 6670: 6638: 6606: 6580: 6548: 6518: 6486: 6457: 6425: 6393: 6364: 6332: 6300: 6268: 6239: 6207: 6181: 6149: 6117: 6088: 6056: 6024: 5992: 5957: 5925: 5899: 5868: 5839: 5807: 5781: 5755: 5723: 5697: 5671: 5649: 5623: 5600: 5599: 5597: 5594: 5591: 5590: 5573: 5572: 5570: 5567: 5566: 5565: 5560: 5553: 5550: 5547: 5546: 5539: 5534: 5527: 5512: 5459: 5456: 5451: 5449: 5439: 5432: 5426: 5425: 5406: 5401: 5394: 5371: 5312: 5309: 5304: 5302: 5292: 5285: 5279: 5278: 5263: 5258: 5251: 5249: 5196: 5193: 5188: 5186: 5176: 5169: 5163: 5162: 5151: 5146: 5139: 5134: 5081: 5078: 5073: 5063: 5061: 5054: 5048: 5047: 5039: 5034: 5027: 5025: 4972: 4969: 4964: 4962: 4952: 4945: 4939: 4938: 4934:Thecla quercus 4919: 4914: 4907: 4905: 4852: 4849: 4844: 4842: 4832: 4825: 4819: 4818: 4803: 4798: 4791: 4786: 4733: 4730: 4725: 4723: 4713: 4706: 4700: 4699: 4684: 4679: 4672: 4667: 4614: 4611: 4606: 4604: 4594: 4587: 4581: 4580: 4572: 4567: 4560: 4555: 4496: 4493: 4488: 4486: 4476: 4469: 4463: 4462: 4443: 4438: 4431: 4426: 4373: 4370: 4365: 4363: 4353: 4346: 4340: 4339: 4328: 4323: 4316: 4307: 4254: 4251: 4246: 4244: 4234: 4227: 4221: 4220: 4201: 4196: 4189: 4184: 4131: 4128: 4123: 4121: 4111: 4104: 4098: 4097: 4094: 4089: 4082: 4077: 4024: 4021: 4016: 4014: 4004: 3997: 3991: 3990: 3983: 3978: 3971: 3966: 3917:Sawbridgeworth 3913: 3910: 3905: 3903: 3893: 3886: 3880: 3879: 3868:meadow foxtail 3856: 3851: 3844: 3842: 3826:Sarratt Bottom 3789: 3786: 3781: 3779: 3769: 3762: 3760:Sarratt Bottom 3756: 3755: 3751: 3746: 3739: 3723: 3670: 3667: 3662: 3660: 3650: 3643: 3637: 3636: 3633:common juniper 3617: 3612: 3605: 3600: 3547: 3544: 3539: 3537: 3527: 3520: 3514: 3513: 3498: 3493: 3486: 3484: 3431: 3428: 3423: 3421: 3411: 3404: 3398: 3397: 3389: 3384: 3377: 3375: 3322: 3319: 3314: 3312: 3302: 3295: 3289: 3288: 3265: 3260: 3253: 3248: 3195: 3192: 3187: 3185: 3175: 3168: 3162: 3161: 3147: 3142: 3135: 3130: 3077: 3074: 3069: 3059: 3057: 3050: 3044: 3043: 3024: 3019: 3012: 3006: 2907: 2904: 2899: 2897: 2887: 2880: 2874: 2873: 2858: 2853: 2846: 2841: 2788: 2785: 2780: 2778: 2768: 2761: 2755: 2754: 2743: 2738: 2731: 2726: 2673: 2670: 2665: 2655: 2653: 2646: 2640: 2639: 2635: 2630: 2623: 2621: 2568: 2565: 2560: 2558: 2548: 2541: 2535: 2534: 2515: 2510: 2503: 2494: 2441: 2438: 2433: 2423: 2421: 2414: 2408: 2407: 2400: 2395: 2388: 2386: 2333: 2330: 2325: 2323: 2313: 2306: 2300: 2299: 2277: 2272: 2265: 2260: 2207: 2204: 2199: 2197: 2187: 2180: 2174: 2173: 2158: 2153: 2146: 2141: 2092:Furneux Pelham 2088: 2085: 2080: 2070: 2068: 2061: 2055: 2054: 2035: 2030: 2023: 2018: 1995:Hertford Heath 1962:Hertford Heath 1958: 1955: 1950: 1948: 1938: 1931: 1929:Hertford Heath 1925: 1924: 1897: 1892: 1885: 1883: 1830: 1827: 1822: 1820: 1810: 1803: 1797: 1796: 1793:marsh bedstraw 1789:marsh marigold 1781:meadow foxtail 1773: 1768: 1761: 1751: 1698: 1695: 1690: 1688: 1678: 1671: 1665: 1664: 1653: 1648: 1641: 1639: 1586: 1583: 1578: 1568: 1566: 1559: 1553: 1552: 1545:sheep's fescue 1533: 1528: 1521: 1516: 1463: 1460: 1455: 1453: 1443: 1436: 1430: 1429: 1422: 1417: 1410: 1405: 1352: 1349: 1344: 1334: 1332: 1325: 1319: 1318: 1315:heath milkwort 1303: 1298: 1291: 1289: 1236: 1233: 1228: 1226: 1216: 1209: 1203: 1202: 1198: 1193: 1186: 1181: 1128: 1125: 1120: 1118: 1108: 1101: 1095: 1094: 1071: 1066: 1059: 1057: 1004: 1001: 996: 994: 984: 977: 971: 970: 955: 950: 943: 941: 888: 885: 880: 878: 868: 861: 855: 854: 835: 830: 823: 814: 761: 758: 753: 751: 741: 734: 728: 727: 716: 711: 704: 688: 635: 632: 627: 625: 615: 608: 602: 601: 590:sheep's fescue 578: 573: 566: 561: 508: 505: 500: 498: 488: 481: 475: 474: 455: 450: 443: 438: 422:Aldbury Nowers 385: 382: 377: 375: 365: 358: 356:Aldbury Nowers 352: 351: 348: 345: 342: 337: 334: 329: 326: 321: 316: 313: 306: 303: 301: 300: 298:Woodland Trust 291: 282: 273: 264: 255: 246: 244:National Trust 237: 228: 215: 206: 197: 188: 179: 168: 165: 164: 163: 157: 149: 146: 145: 143: 140: 134: 133: 128: 123: 118: 112: 99: 98: 97: 77:Area of Search 62:Greater London 50:Cambridgeshire 48:to the north, 9: 6: 4: 3: 2: 9473: 9462: 9459: 9457: 9454: 9452: 9449: 9447: 9444: 9443: 9441: 9434: 9424: 9421: 9419: 9416: 9414: 9411: 9409: 9406: 9404: 9403:High Sheriffs 9401: 9399: 9396: 9394: 9391: 9389: 9386: 9384: 9381: 9379: 9376: 9374: 9371: 9369: 9366: 9364: 9361: 9359: 9356: 9354: 9351: 9349: 9346: 9344: 9341: 9339: 9336: 9332: 9329: 9328: 9327: 9324: 9323: 9321: 9317: 9311: 9310: 9306: 9302: 9299: 9297: 9294: 9292: 9289: 9287: 9286:Waltham Cross 9284: 9282: 9279: 9277: 9274: 9272: 9271: 9267: 9265: 9262: 9260: 9257: 9255: 9254:Rickmansworth 9252: 9250: 9247: 9245: 9242: 9240: 9237: 9235: 9232: 9230: 9227: 9225: 9222: 9220: 9217: 9215: 9212: 9210: 9207: 9205: 9202: 9200: 9197: 9195: 9192: 9190: 9187: 9185: 9182: 9180: 9177: 9175: 9172: 9170: 9167: 9166: 9164: 9158: 9152: 9149: 9147: 9144: 9142: 9139: 9137: 9134: 9132: 9129: 9127: 9124: 9122: 9119: 9117: 9114: 9112: 9109: 9107: 9104: 9103: 9101: 9097: 9092: 9091:Hertfordshire 9086: 9078: 9073: 9071: 9066: 9064: 9059: 9058: 9055: 9043: 9042:County Tyrone 9040: 9038: 9035: 9033: 9030: 9028: 9025: 9023: 9022:County Armagh 9020: 9018: 9017:County Antrim 9015: 9014: 9012: 9008: 9002: 8999: 8997: 8994: 8992: 8989: 8987: 8984: 8982: 8979: 8977: 8974: 8972: 8969: 8967: 8964: 8962: 8959: 8957: 8954: 8952: 8949: 8947: 8944: 8943: 8941: 8937: 8931: 8928: 8926: 8923: 8921: 8918: 8916: 8913: 8911: 8908: 8906: 8903: 8901: 8898: 8896: 8893: 8891: 8888: 8886: 8883: 8881: 8878: 8876: 8873: 8871: 8868: 8866: 8863: 8861: 8858: 8856: 8853: 8851: 8848: 8846: 8843: 8841: 8838: 8836: 8833: 8831: 8828: 8826: 8823: 8821: 8818: 8816: 8813: 8811: 8808: 8806: 8803: 8801: 8798: 8796: 8793: 8791: 8788: 8786: 8783: 8781: 8778: 8776: 8773: 8771: 8768: 8766: 8763: 8761: 8758: 8756: 8753: 8751: 8748: 8746: 8743: 8741: 8738: 8736: 8733: 8731: 8728: 8726: 8723: 8721: 8718: 8716: 8713: 8712: 8710: 8706: 8700: 8697: 8695: 8692: 8690: 8687: 8685: 8682: 8680: 8679:West Midlands 8677: 8675: 8672: 8670: 8669:Tyne and Wear 8667: 8665: 8662: 8660: 8657: 8655: 8654:Staffordshire 8652: 8650: 8647: 8645: 8642: 8640: 8637: 8635: 8632: 8630: 8627: 8625: 8622: 8620: 8617: 8615: 8612: 8610: 8607: 8605: 8602: 8600: 8597: 8595: 8592: 8590: 8587: 8585: 8582: 8580: 8577: 8575: 8574:Isle of Wight 8572: 8570: 8569:Hertfordshire 8567: 8565: 8564:Herefordshire 8562: 8560: 8557: 8555: 8552: 8550: 8547: 8545: 8542: 8540: 8537: 8535: 8532: 8530: 8527: 8525: 8522: 8520: 8517: 8515: 8512: 8510: 8507: 8505: 8504:County Durham 8502: 8500: 8497: 8495: 8492: 8490: 8487: 8485: 8482: 8480: 8477: 8475: 8472: 8470: 8467: 8465: 8462: 8461: 8459: 8455: 8451: 8447: 8440: 8435: 8433: 8428: 8426: 8421: 8420: 8417: 8405: 8402: 8400: 8397: 8395: 8392: 8390: 8387: 8385: 8382: 8380: 8377: 8375: 8372: 8371: 8369: 8365: 8359: 8356: 8354: 8351: 8349: 8346: 8344: 8341: 8339: 8336: 8334: 8331: 8329: 8326: 8324: 8321: 8319: 8316: 8314: 8311: 8309: 8306: 8304: 8301: 8299: 8296: 8294: 8291: 8289: 8286: 8284: 8281: 8279: 8276: 8274: 8271: 8269: 8268:Patmore Heath 8266: 8264: 8261: 8259: 8256: 8254: 8251: 8249: 8246: 8244: 8241: 8239: 8236: 8234: 8231: 8229: 8226: 8224: 8221: 8219: 8216: 8214: 8211: 8209: 8206: 8204: 8201: 8199: 8196: 8194: 8193:Amwell Quarry 8191: 8189: 8188:Alpine Meadow 8186: 8184: 8181: 8180: 8178: 8174: 8170: 8169:Hertfordshire 8166: 8159: 8154: 8152: 8147: 8145: 8140: 8139: 8136: 8114: 8107: 8101: 8099: 8082: 8078: 8072: 8056: 8052: 8046: 8044: 8027: 8023: 8017: 7998: 7991: 7985: 7983: 7966: 7962: 7956: 7954: 7934: 7927: 7921: 7902: 7898: 7891: 7885: 7869: 7865: 7859: 7840: 7833: 7827: 7808: 7801: 7795: 7776: 7769: 7763: 7744: 7737: 7731: 7712: 7705: 7699: 7680: 7673: 7667: 7651: 7647: 7641: 7622: 7615: 7609: 7593: 7589: 7583: 7564: 7557: 7551: 7535: 7531: 7525: 7509: 7505: 7499: 7483: 7479: 7473: 7454: 7447: 7441: 7425: 7421: 7415: 7413: 7393: 7386: 7380: 7364: 7360: 7354: 7335: 7328: 7322: 7306: 7302: 7296: 7277: 7270: 7264: 7248: 7244: 7238: 7222: 7218: 7212: 7210: 7193: 7189: 7183: 7181: 7161: 7154: 7148: 7132: 7128: 7122: 7120: 7100: 7093: 7087: 7068: 7061: 7055: 7036: 7029: 7023: 7007: 7003: 6997: 6986: 6979: 6973: 6957: 6953: 6947: 6928: 6921: 6915: 6899: 6895: 6889: 6870: 6863: 6857: 6841: 6837: 6831: 6812: 6805: 6799: 6783: 6779: 6773: 6754: 6747: 6741: 6732: 6713: 6706: 6700: 6684: 6680: 6674: 6655: 6648: 6642: 6623: 6616: 6610: 6594: 6590: 6584: 6565: 6558: 6552: 6536: 6532: 6528: 6522: 6503: 6496: 6490: 6474: 6470: 6464: 6462: 6442: 6435: 6429: 6410: 6403: 6397: 6381: 6377: 6371: 6369: 6349: 6342: 6336: 6317: 6310: 6304: 6285: 6278: 6272: 6256: 6252: 6246: 6244: 6224: 6217: 6211: 6195: 6191: 6185: 6166: 6159: 6153: 6134: 6127: 6121: 6105: 6101: 6095: 6093: 6073: 6066: 6060: 6041: 6034: 6028: 6009: 6002: 5996: 5977: 5970: 5964: 5962: 5942: 5935: 5929: 5913: 5909: 5903: 5887: 5883: 5877: 5875: 5873: 5856: 5852: 5846: 5844: 5824: 5817: 5811: 5795: 5791: 5785: 5769: 5765: 5759: 5740: 5733: 5727: 5711: 5707: 5701: 5685: 5681: 5675: 5659: 5653: 5637: 5633: 5627: 5611: 5605: 5601: 5585: 5583: 5581: 5579: 5574: 5564: 5561: 5559: 5556: 5555: 5544: 5540: 5538: 5535: 5532: 5526: 5522: 5521: 5516: 5513: 5509: 5502: 5464: 5460: 5452: 5437: 5433: 5431: 5427: 5423: 5419: 5415: 5411: 5410:dog's mercury 5407: 5405: 5402: 5399: 5393: 5389: 5385: 5384: 5379: 5375: 5372: 5368: 5362: 5355: 5317: 5313: 5305: 5290: 5286: 5284: 5280: 5276: 5272: 5268: 5267:Yorkshire fog 5264: 5262: 5259: 5256: 5250: 5246: 5239: 5201: 5197: 5189: 5174: 5170: 5168: 5164: 5160: 5156: 5152: 5150: 5147: 5144: 5138: 5135: 5131: 5124: 5086: 5082: 5074: 5059: 5055: 5053: 5049: 5045: 5040: 5038: 5035: 5032: 5026: 5022: 5015: 4977: 4973: 4965: 4950: 4946: 4944: 4940: 4936: 4935: 4930: 4929: 4924: 4920: 4918: 4915: 4912: 4906: 4902: 4895: 4857: 4853: 4845: 4830: 4826: 4824: 4820: 4816: 4815:bush-crickets 4812: 4808: 4804: 4802: 4799: 4796: 4790: 4787: 4783: 4776: 4738: 4734: 4726: 4711: 4707: 4705: 4701: 4697: 4696:dog's mercury 4693: 4689: 4685: 4683: 4680: 4677: 4671: 4668: 4664: 4657: 4619: 4615: 4607: 4592: 4588: 4586: 4582: 4578: 4573: 4571: 4568: 4565: 4559: 4556: 4552: 4546: 4539: 4501: 4497: 4489: 4474: 4470: 4468: 4464: 4460: 4456: 4452: 4448: 4444: 4442: 4439: 4436: 4430: 4427: 4423: 4416: 4378: 4374: 4366: 4351: 4347: 4345: 4341: 4337: 4336:pasque flower 4333: 4329: 4327: 4324: 4321: 4315: 4311: 4308: 4304: 4297: 4259: 4255: 4247: 4232: 4228: 4226: 4222: 4218: 4214: 4210: 4206: 4202: 4200: 4197: 4194: 4188: 4185: 4181: 4174: 4136: 4132: 4124: 4109: 4105: 4103: 4099: 4095: 4093: 4090: 4087: 4081: 4078: 4074: 4067: 4029: 4025: 4017: 4002: 3998: 3996: 3992: 3988: 3984: 3982: 3979: 3976: 3970: 3967: 3963: 3956: 3918: 3914: 3906: 3891: 3887: 3885: 3881: 3877: 3873: 3869: 3865: 3861: 3857: 3855: 3852: 3849: 3843: 3839: 3832: 3794: 3790: 3782: 3767: 3763: 3761: 3757: 3752: 3750: 3747: 3744: 3738: 3734: 3731: 3727: 3724: 3720: 3713: 3675: 3671: 3663: 3648: 3644: 3642: 3638: 3634: 3630: 3626: 3625:meadow fescue 3622: 3618: 3616: 3613: 3610: 3604: 3601: 3597: 3590: 3552: 3548: 3540: 3525: 3521: 3519: 3515: 3511: 3507: 3503: 3499: 3497: 3494: 3491: 3485: 3481: 3474: 3436: 3432: 3424: 3409: 3405: 3403: 3399: 3395: 3390: 3388: 3385: 3382: 3376: 3372: 3365: 3327: 3323: 3315: 3300: 3296: 3294: 3290: 3286: 3282: 3278: 3274: 3270: 3266: 3264: 3261: 3258: 3252: 3249: 3245: 3238: 3232:Patmore Heath 3200: 3196: 3188: 3173: 3169: 3167: 3166:Patmore Heath 3163: 3159: 3155: 3152: 3148: 3146: 3143: 3140: 3134: 3131: 3127: 3120: 3082: 3078: 3070: 3055: 3051: 3049: 3045: 3041: 3037: 3033: 3029: 3025: 3023: 3020: 3017: 3010: 3007: 3003: 2996: 2957: 2950: 2912: 2908: 2900: 2885: 2881: 2879: 2875: 2871: 2867: 2863: 2859: 2857: 2854: 2851: 2845: 2842: 2838: 2831: 2793: 2789: 2781: 2766: 2762: 2760: 2756: 2752: 2748: 2744: 2742: 2739: 2736: 2730: 2727: 2723: 2716: 2678: 2674: 2666: 2651: 2647: 2645: 2641: 2636: 2634: 2631: 2628: 2622: 2618: 2611: 2573: 2569: 2561: 2546: 2542: 2540: 2536: 2532: 2529:like western 2528: 2524: 2520: 2516: 2514: 2511: 2508: 2502: 2498: 2495: 2491: 2484: 2446: 2442: 2434: 2419: 2415: 2413: 2409: 2405: 2401: 2399: 2396: 2393: 2387: 2383: 2376: 2338: 2334: 2326: 2311: 2307: 2305: 2301: 2297: 2293: 2289: 2286: 2285:quaking grass 2282: 2278: 2276: 2273: 2270: 2264: 2261: 2257: 2250: 2212: 2208: 2200: 2185: 2181: 2179: 2175: 2171: 2167: 2163: 2159: 2157: 2154: 2151: 2145: 2142: 2138: 2131: 2093: 2089: 2081: 2066: 2062: 2060: 2056: 2052: 2048: 2044: 2040: 2036: 2034: 2031: 2028: 2022: 2019: 2015: 2008: 2001: 1963: 1959: 1951: 1936: 1932: 1930: 1926: 1922: 1918: 1914: 1913:Dog's mercury 1910: 1906: 1902: 1898: 1896: 1893: 1890: 1884: 1880: 1873: 1835: 1834:Great Hormead 1831: 1823: 1808: 1804: 1802: 1798: 1794: 1790: 1786: 1785:Yorkshire fog 1782: 1778: 1774: 1772: 1769: 1766: 1759: 1755: 1752: 1748: 1741: 1703: 1699: 1691: 1676: 1672: 1670: 1666: 1662: 1658: 1654: 1652: 1649: 1646: 1640: 1636: 1629: 1591: 1587: 1579: 1564: 1560: 1558: 1554: 1550: 1546: 1542: 1538: 1534: 1532: 1529: 1526: 1520: 1517: 1513: 1506: 1468: 1467:Croxley Green 1464: 1456: 1441: 1437: 1435: 1431: 1426: 1423: 1421: 1418: 1415: 1409: 1406: 1402: 1395: 1357: 1353: 1345: 1330: 1326: 1324: 1320: 1316: 1312: 1308: 1304: 1302: 1299: 1296: 1290: 1286: 1279: 1241: 1237: 1229: 1214: 1210: 1208: 1204: 1199: 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Retrieved 8085:. Retrieved 8071: 8059:. Retrieved 8030:. Retrieved 8026:the original 8016: 8004:. Retrieved 7969:. Retrieved 7940:. Retrieved 7920: 7908:. Retrieved 7884: 7872:. Retrieved 7858: 7846:. Retrieved 7826: 7814:. Retrieved 7794: 7782:. Retrieved 7762: 7750:. Retrieved 7730: 7718:. Retrieved 7698: 7686:. Retrieved 7666: 7654:. Retrieved 7650:the original 7640: 7628:. Retrieved 7621:the original 7608: 7596:. Retrieved 7592:the original 7582: 7570:. Retrieved 7550: 7538:. Retrieved 7534:the original 7524: 7512:. Retrieved 7508:the original 7498: 7486:. Retrieved 7472: 7460:. Retrieved 7453:the original 7440: 7428:. Retrieved 7399:. Retrieved 7379: 7367:. Retrieved 7353: 7341:. Retrieved 7321: 7309:. Retrieved 7295: 7283:. Retrieved 7263: 7251:. Retrieved 7237: 7225:. Retrieved 7221:the original 7198:28 September 7196:. Retrieved 7167:. Retrieved 7160:the original 7147: 7135:. Retrieved 7106:. Retrieved 7099:the original 7086: 7074:. Retrieved 7067:the original 7054: 7042:. Retrieved 7035:the original 7022: 7010:. Retrieved 7006:the original 6996: 6985:the original 6972: 6960:. Retrieved 6946: 6934:. Retrieved 6914: 6902:. Retrieved 6898:the original 6894:"Tring Park" 6888: 6876:. Retrieved 6856: 6844:. Retrieved 6830: 6818:. Retrieved 6798: 6786:. Retrieved 6772: 6760:. Retrieved 6740: 6731: 6719:. Retrieved 6699: 6687:. Retrieved 6673: 6661:. Retrieved 6654:the original 6641: 6629:. Retrieved 6622:the original 6609: 6597:. Retrieved 6593:the original 6583: 6571:. Retrieved 6551: 6539:. Retrieved 6521: 6509:. Retrieved 6502:the original 6489: 6477:. Retrieved 6473:the original 6448:. Retrieved 6428: 6416:. Retrieved 6409:the original 6396: 6384:. Retrieved 6355:. Retrieved 6348:the original 6335: 6323:. Retrieved 6316:the original 6303: 6291:. Retrieved 6284:the original 6271: 6259:. Retrieved 6255:the original 6230:. Retrieved 6223:the original 6210: 6198:. Retrieved 6184: 6172:. Retrieved 6165:the original 6152: 6140:. Retrieved 6133:the original 6120: 6108:. Retrieved 6104:the original 6079:. Retrieved 6072:the original 6059: 6047:. Retrieved 6040:the original 6027: 6015:. Retrieved 6008:the original 5995: 5983:. Retrieved 5976:the original 5948:. Retrieved 5928: 5916:. Retrieved 5908:"Lee Valley" 5902: 5890:. Retrieved 5882:"Lee Valley" 5859:. Retrieved 5855:the original 5830:. Retrieved 5823:the original 5810: 5798:. Retrieved 5794:the original 5784: 5772:. Retrieved 5768:the original 5758: 5746:. Retrieved 5739:the original 5726: 5714:. Retrieved 5700: 5688:. Retrieved 5674: 5662:. Retrieved 5652: 5640:. Retrieved 5626: 5614:. Retrieved 5604: 5518: 5381: 5155:River Thames 4976:Welham Green 4932: 4926: 4692:wood anemone 4455:fen bedstraw 4205:River Mimram 3468:Redwell Wood 3402:Redwell Wood 3359:Plashes Wood 3293:Plashes Wood 3154:interglacial 2870:silver birch 2523:last ice age 2281:meadow brome 2244:Hunsdon Mead 2178:Hunsdon Mead 2170:River Thames 2051:water spider 2047:water violet 1901:boulder clay 1787:, with some 1657:River Thames 1537:sheep sorrel 1307:boulder clay 1240:Bricket Wood 961:, including 851:wood warbler 639:Great Amwell 350:Description 293: 284: 275: 266: 257: 248: 239: 230: 223: 218: 217: 208: 199: 190: 181: 172: 159: 153: 108: 107: 100: 74: 46:Bedfordshire 33: 32: 15: 9249:Potters Bar 9209:Chorleywood 9194:Buntingford 9184:Borehamwood 9174:Berkhamsted 9027:County Down 8895:South Perth 8684:West Sussex 8629:Oxfordshire 8534:East Sussex 7420:"Tewinbury" 7343:28 December 7311:28 December 7285:11 December 7253:11 December 7243:"Rye Meads" 7227:11 December 7217:"Rye Meads" 7169:21 December 7137:21 December 7044:11 December 7012:11 December 6904:23 December 6878:23 December 6721:25 February 6631:22 December 6573:18 February 6541:18 February 6511:15 February 6479:15 February 6450:19 February 6418:11 December 6386:11 December 6357:11 December 6293:10 December 6261:10 December 6017:19 December 5950:19 December 5918:19 December 5861:19 December 5832:21 December 5800:21 December 5748:21 February 5642:10 February 5543:London clay 5488: / 5341: / 5275:honeysuckle 5225: / 5110: / 5001: / 4881: / 4762: / 4643: / 4525: / 4451:meadowsweet 4402: / 4283: / 4160: / 4053: / 3987:River Stort 3942: / 3860:River Chess 3818: / 3699: / 3576: / 3460: / 3435:South Mimms 3351: / 3281:heath grass 3269:Deschampsia 3224: / 3106: / 2982: / 2936: / 2817: / 2702: / 2597: / 2519:Pleistocene 2470: / 2362: / 2288:briza media 2236: / 2117: / 1987: / 1859: / 1777:water voles 1727: / 1615: / 1541:common bent 1492: / 1381: / 1356:South Mimms 1265: / 1157: / 1087:field maple 1033: / 917: / 847:nightingale 790: / 664: / 586:false brome 537: / 512:Berkhamsted 467:hairstreaks 414: / 315:Photograph 253:Ramsar site 66:county town 9440:Categories 9244:Letchworth 9189:Broxbourne 9106:Broxbourne 8981:Montgomery 8956:Ceredigion 8915:West Perth 8765:East Perth 8639:Shropshire 8599:Merseyside 8584:Lancashire 8514:Derbyshire 8367:Geological 8176:Biological 8122:10 January 8087:10 January 8061:17 October 8022:"Danemead" 8006:18 October 7971:12 January 7874:12 January 7848:13 January 7816:13 January 7752:14 January 7720:14 January 7540:12 January 7514:12 January 7369:12 January 7108:16 January 6962:11 January 6820:7 December 6788:11 January 6689:11 January 6599:11 January 6325:4 February 6232:15 January 6200:11 January 6174:7 December 6142:12 January 6110:12 January 6049:12 January 5892:16 January 5716:11 January 5690:12 January 5596:References 5494: ( 5472:51°44′39″N 5418:bryophytes 5347: ( 5325:51°45′32″N 5231: ( 5209:51°40′07″N 5116: ( 5094:51°40′56″N 5007: ( 4985:51°43′26″N 4887: ( 4865:51°54′56″N 4768: ( 4746:51°42′32″N 4649: ( 4627:51°46′52″N 4531: ( 4509:51°48′49″N 4408: ( 4386:51°50′36″N 4289: ( 4267:52°02′32″N 4166: ( 4144:51°48′34″N 4059: ( 4037:51°48′37″N 3948: ( 3926:51°49′15″N 3824: ( 3802:51°40′46″N 3705: ( 3683:51°46′34″N 3621:calcareous 3582: ( 3560:51°44′25″N 3466: ( 3444:51°42′29″N 3357: ( 3335:51°52′01″N 3277:heath rush 3230: ( 3208:51°54′43″N 3112: ( 3090:51°57′19″N 2990:Tring Park 2988: ( 2966:51°47′01″N 2942: ( 2920:51°47′20″N 2823: ( 2801:51°43′22″N 2708: ( 2686:51°42′43″N 2603: ( 2581:51°55′16″N 2476: ( 2454:51°45′48″N 2445:Potten End 2404:bryophytes 2368: ( 2346:51°53′09″N 2242: ( 2220:51°46′47″N 2123: ( 2101:51°55′16″N 1993: ( 1971:51°46′53″N 1865: ( 1843:51°56′36″N 1733: ( 1711:51°40′47″N 1621: ( 1599:51°49′51″N 1498: ( 1476:51°38′33″N 1387: ( 1365:51°42′31″N 1271: ( 1249:51°41′47″N 1163: ( 1141:51°59′12″N 1039: ( 1017:51°53′43″N 923: ( 901:52°02′32″N 839:firecrests 796: ( 774:51°48′42″N 720:marsh dock 670: ( 648:51°47′52″N 543: ( 521:51°46′57″N 420: ( 398:51°48′43″N 312:Site name 9418:Windmills 9331:Elections 9305:See also: 9276:Stevenage 9270:St Albans 9239:Hoddesdon 9214:Harpenden 9136:Stevenage 9121:Hertsmere 8946:Brecknock 8835:Nithsdale 8790:Inverness 8740:Caithness 8694:Wiltshire 8559:Hampshire 8494:Cleveland 8474:Berkshire 8338:Wain Wood 8308:Tewinbury 8288:Rye Meads 6762:3 January 6663:3 January 6081:3 January 5985:4 January 5774:7 January 5475:0°04′25″W 5328:0°02′33″W 5316:Hoddesdon 5271:bluebells 5212:0°26′44″W 5097:0°27′08″W 4988:0°13′14″W 4889:Wain Wood 4868:0°17′09″W 4823:Wain Wood 4811:shovelers 4749:0°01′07″W 4630:0°40′20″W 4577:shovelers 4512:0°40′06″W 4389:0°09′41″E 4270:0°03′18″W 4258:Therfield 4213:butterbur 4207:. It has 4168:Tewinbury 4147:0°10′04″W 4102:Tewinbury 4040:0°13′02″W 3929:0°09′48″E 3805:0°30′37″W 3707:Rye Meads 3686:0°00′22″E 3674:Rye House 3641:Rye Meads 3563:0°29′06″W 3447:0°14′45″W 3338:0°00′21″E 3211:0°05′47″E 3093:0°17′45″W 2969:0°39′22″W 2944:Oddy Hill 2923:0°38′50″W 2804:0°08′54″W 2689:0°21′02″W 2584:0°04′03″W 2457:0°31′40″W 2349:0°13′02″W 2337:Stevenage 2223:0°03′15″E 2162:type site 2104:0°05′43″E 1974:0°02′14″W 1846:0°03′42″E 1714:0°31′29″W 1602:0°02′37″W 1479:0°26′11″W 1368:0°13′22″W 1252:0°21′59″W 1144:0°04′13″W 1020:0°08′02″W 1008:Benington 959:flatworms 904:0°08′59″W 777:0°35′14″W 651:0°00′16″W 524:0°34′04″W 401:0°37′19″W 347:Citation 336:Location 9229:Hertford 9219:Hatfield 9204:Cheshunt 8905:Stirling 8875:Shetland 8708:Scotland 8644:Somerset 8499:Cornwall 8489:Cheshire 8113:Archived 8081:Archived 8055:Archived 8032:19 April 7997:Archived 7965:Archived 7933:Archived 7901:Archived 7895:. Herts 7868:Archived 7839:Archived 7807:Archived 7775:Archived 7743:Archived 7711:Archived 7679:Archived 7656:19 April 7630:11 March 7598:11 March 7563:Archived 7482:Archived 7462:22 March 7430:22 March 7424:Archived 7392:Archived 7363:Archived 7334:Archived 7305:Archived 7276:Archived 7247:Archived 7192:Archived 7131:Archived 7076:11 March 6956:Archived 6927:Archived 6869:Archived 6846:22 March 6840:Archived 6811:Archived 6782:Archived 6753:Archived 6712:Archived 6683:Archived 6564:Archived 6535:Archived 6441:Archived 6380:Archived 6194:Archived 5941:Archived 5912:Archived 5886:Archived 5851:"Amwell" 5710:Archived 5684:Archived 5636:Archived 5552:See also 5537:Citation 5508:TL331068 5463:Cheshunt 5404:Citation 5367:TL325075 5361:TL352085 5261:Citation 5245:TQ076978 5149:Citation 5130:TQ071993 5037:Citation 5021:TL230043 4917:Citation 4901:TL180255 4807:gadwalls 4801:Citation 4782:TL370030 4737:Cheshunt 4688:woodruff 4682:Citation 4663:SP917100 4570:Citation 4551:SP905131 4545:SP919136 4441:Citation 4422:TL490183 4326:Citation 4303:TL335400 4217:angelica 4209:alluvial 4199:Citation 4180:TL264139 4092:Citation 4073:TL230139 3981:Citation 3962:TL492158 3854:Citation 3838:TQ031989 3749:Citation 3719:TL385105 3615:Citation 3596:TL047057 3496:Citation 3480:TL213025 3387:Citation 3371:TL382206 3263:Citation 3244:TL443258 3145:Citation 3126:TL172299 3022:Citation 3002:SP928103 2956:SP934109 2862:hornbeam 2856:Citation 2837:TL280043 2741:Citation 2722:TL141027 2677:How Wood 2633:Citation 2617:TL330265 2513:Citation 2490:TL017082 2398:Citation 2382:TL228223 2283:and the 2275:Citation 2256:TL418110 2164:for the 2156:Citation 2137:TL442268 2043:Sphagnum 2033:Citation 2014:TL350106 2007:TL355110 1909:hornbeam 1905:wych elm 1895:Citation 1879:TL418292 1771:Citation 1747:TQ021989 1651:Citation 1635:TL349165 1531:Citation 1512:TQ083949 1420:Citation 1401:TL229026 1301:Citation 1285:TL130010 1196:Citation 1177:TL326338 1083:hornbeam 1069:Citation 1053:TL285235 965:and the 953:Citation 937:TL270398 833:Citation 810:SP975135 714:Citation 684:TL377129 576:Citation 557:SP989103 469:and the 453:Citation 434:SP951135 148:Interest 70:Hertford 9413:Museums 9408:Schools 9393:History 9296:Watford 9259:Royston 9234:Hitchin 9169:Baldock 9146:Watford 9111:Dacorum 8805:Kintyre 8659:Suffolk 8634:Rutland 8604:Norfolk 8509:Cumbria 8457:England 7488:26 July 5664:23 July 5616:23 July 5200:Watford 5085:Watford 4856:Preston 4377:Thorley 3793:Sarratt 3326:Standon 3151:Hoxnian 3081:Hitchin 2792:Cuffley 2747:Anglian 2572:Ardeley 2533:today. 2531:Siberia 2039:heather 1702:Chenies 892:Ashwell 333:access 9358:Places 9319:Topics 9199:Bushey 8991:Radnor 8860:Orkney 8664:Surrey 8524:Dorset 7942:9 June 7910:9 June 7784:3 June 7688:3 June 7572:2 June 7401:2 June 6936:2 June 3870:, and 3726:Ramsar 3199:Albury 2527:tundra 2211:Harlow 2010:& 1132:Sandon 702:Ramsar 331:Public 249:Ramsar 38:county 9373:SSSIs 9281:Tring 8971:Gwent 8961:Clwyd 8939:Wales 8810:Lorne 8539:Essex 8519:Devon 8446:SSSIs 8116:(PDF) 8109:(PDF) 8000:(PDF) 7993:(PDF) 7936:(PDF) 7929:(PDF) 7904:(PDF) 7893:(PDF) 7842:(PDF) 7835:(PDF) 7810:(PDF) 7803:(PDF) 7778:(PDF) 7771:(PDF) 7746:(PDF) 7739:(PDF) 7714:(PDF) 7707:(PDF) 7682:(PDF) 7675:(PDF) 7624:(PDF) 7617:(PDF) 7566:(PDF) 7559:(PDF) 7456:(PDF) 7449:(PDF) 7395:(PDF) 7388:(PDF) 7337:(PDF) 7330:(PDF) 7279:(PDF) 7272:(PDF) 7163:(PDF) 7156:(PDF) 7102:(PDF) 7095:(PDF) 7070:(PDF) 7063:(PDF) 7038:(PDF) 7031:(PDF) 6988:(PDF) 6981:(PDF) 6930:(PDF) 6923:(PDF) 6872:(PDF) 6865:(PDF) 6814:(PDF) 6807:(PDF) 6756:(PDF) 6749:(PDF) 6715:(PDF) 6708:(PDF) 6657:(PDF) 6650:(PDF) 6625:(PDF) 6618:(PDF) 6567:(PDF) 6560:(PDF) 6505:(PDF) 6498:(PDF) 6444:(PDF) 6437:(PDF) 6412:(PDF) 6405:(PDF) 6351:(PDF) 6344:(PDF) 6319:(PDF) 6312:(PDF) 6287:(PDF) 6280:(PDF) 6226:(PDF) 6219:(PDF) 6168:(PDF) 6161:(PDF) 6136:(PDF) 6129:(PDF) 6075:(PDF) 6068:(PDF) 6043:(PDF) 6036:(PDF) 6011:(PDF) 6004:(PDF) 5979:(PDF) 5972:(PDF) 5944:(PDF) 5937:(PDF) 5826:(PDF) 5819:(PDF) 5742:(PDF) 5735:(PDF) 5569:Notes 4670:CAONB 4618:Tring 4500:Tring 4135:Tewin 3603:CAONB 2911:Tring 1754:CAONB 1091:hazel 817:CAONB 389:Tring 339:Other 328:Area 305:Sites 173:CAONB 93:fauna 89:flora 81:SSSIs 54:Essex 36:is a 9338:Flag 9291:Ware 8579:Kent 8464:Avon 8124:2016 8089:2016 8063:2015 8034:2015 8008:2015 7973:2016 7944:2016 7912:2016 7897:RIGS 7876:2016 7850:2015 7818:2015 7786:2016 7754:2015 7722:2015 7690:2016 7658:2015 7632:2015 7600:2015 7574:2016 7542:2016 7516:2016 7490:2013 7464:2015 7432:2015 7403:2016 7371:2016 7345:2014 7313:2014 7287:2014 7255:2014 7229:2014 7200:2015 7171:2014 7139:2014 7110:2015 7078:2015 7046:2014 7014:2014 6964:2016 6938:2016 6906:2014 6880:2014 6848:2015 6822:2014 6790:2016 6764:2015 6723:2015 6691:2016 6665:2015 6633:2014 6601:2016 6575:2015 6543:2015 6513:2015 6481:2015 6452:2015 6420:2014 6388:2014 6359:2014 6327:2015 6295:2014 6263:2014 6234:2015 6202:2016 6176:2014 6144:2015 6112:2015 6083:2015 6051:2015 6019:2014 5987:2016 5952:2014 5920:2014 5894:2016 5863:2014 5834:2014 5802:2014 5776:2011 5750:2006 5718:2016 5692:2016 5666:2019 5644:2015 5618:2019 5458:YES 5412:and 5388:HMWT 5311:YES 5273:and 5195:YES 4971:YES 4925:and 4851:YES 4809:and 4732:YES 4694:and 4613:YES 4558:HMWT 4495:YES 4457:and 4449:and 4429:HMWT 4372:YES 4253:YES 4215:and 4187:HMWT 4023:YES 3912:YES 3874:and 3866:and 3737:HMWT 3733:RSPB 3669:YES 3627:and 3546:YES 3430:YES 3321:YES 3279:and 3251:HMWT 3194:YES 3158:tufa 3076:YES 3038:and 3009:RHPG 2906:YES 2868:and 2787:YES 2567:YES 2440:YES 2332:YES 2294:and 2263:HMWT 2206:YES 2087:YES 2021:HMWT 1957:YES 1919:and 1907:and 1829:YES 1791:and 1783:and 1758:HMWT 1697:YES 1590:Ware 1585:YES 1543:and 1462:YES 1313:and 1235:YES 1184:HMWT 1127:YES 1089:and 1003:YES 887:YES 849:and 760:YES 722:and 691:HMWT 634:YES 596:and 588:and 564:HMWT 507:YES 441:HMWT 384:YES 344:Map 267:RSPB 258:RHPG 200:HMWT 9088:of 8167:in 5531:Map 5525:SAC 5520:NCR 5515:NNR 5398:Map 5392:SAC 5383:NCR 5374:NNR 5255:Map 5143:Map 5137:GCR 5080:NO 5031:Map 4911:Map 4795:Map 4789:SPA 4676:Map 4564:Map 4435:Map 4320:Map 4310:LNR 4193:Map 4130:NO 4086:Map 4080:LNR 3975:Map 3969:EWT 3848:Map 3788:NO 3743:Map 3730:SPA 3609:Map 3490:Map 3381:Map 3257:Map 3139:Map 3133:GCR 3016:Map 2866:oak 2850:Map 2844:LNR 2735:Map 2729:GCR 2672:NO 2627:Map 2507:Map 2497:GCR 2392:Map 2269:Map 2150:Map 2144:GCR 2027:Map 1889:Map 1765:Map 1645:Map 1525:Map 1519:LNR 1414:Map 1408:GCR 1351:NO 1295:Map 1190:Map 1063:Map 947:Map 827:Map 708:Map 699:SPA 695:SPA 570:Map 447:Map 285:SPA 231:NNR 219:NCR 209:LNR 191:EWT 182:GCR 142:Key 116:KML 83:is 68:is 40:in 9442:: 8097:^ 8042:^ 7981:^ 7952:^ 7411:^ 7208:^ 7179:^ 7118:^ 6533:. 6529:. 6460:^ 6367:^ 6242:^ 6091:^ 5960:^ 5871:^ 5842:^ 5577:^ 5523:, 5517:, 5424:. 5390:, 5386:, 5380:, 5378:WT 5376:, 5269:, 4937:. 4817:. 4690:, 4314:SM 4312:, 3735:, 3728:, 3512:. 3396:. 3287:. 3042:. 3034:, 3030:, 3011:. 2501:NT 2499:, 2298:. 1795:. 1760:, 1756:, 1551:. 1539:, 1317:. 969:. 853:. 845:, 821:NT 819:, 697:, 693:, 600:. 584:, 465:, 296:= 294:WT 287:= 278:= 276:SM 269:= 260:= 251:= 242:= 240:NT 233:= 222:= 211:= 202:= 193:= 184:= 175:= 91:, 9076:e 9069:t 9062:v 8438:e 8431:t 8424:v 8157:e 8150:t 8143:v 8126:. 8091:. 8065:. 8036:. 8010:. 7975:. 7946:. 7914:. 7878:. 7852:. 7820:. 7788:. 7756:. 7724:. 7692:. 7660:. 7634:. 7602:. 7576:. 7544:. 7518:. 7492:. 7466:. 7434:. 7405:. 7373:. 7347:. 7315:. 7289:. 7257:. 7231:. 7202:. 7173:. 7141:. 7112:. 7080:. 7048:. 7016:. 6966:. 6940:. 6908:. 6882:. 6850:. 6824:. 6792:. 6766:. 6725:. 6693:. 6667:. 6635:. 6603:. 6577:. 6545:. 6515:. 6483:. 6454:. 6422:. 6390:. 6361:. 6329:. 6297:. 6265:. 6236:. 6204:. 6178:. 6146:. 6114:. 6085:. 6053:. 6021:. 5989:. 5954:. 5922:. 5896:. 5865:. 5836:. 5804:. 5778:. 5752:. 5720:. 5694:. 5668:. 5646:. 5620:. 5498:) 5447:Y 5351:) 5300:Y 5235:) 5184:Y 5120:) 5071:Y 5011:) 4960:Y 4891:) 4840:Y 4772:) 4721:Y 4653:) 4602:Y 4535:) 4484:Y 4412:) 4361:Y 4293:) 4242:Y 4170:) 4119:Y 4063:) 4012:Y 3952:) 3901:Y 3828:) 3777:Y 3709:) 3658:Y 3586:) 3535:Y 3470:) 3419:Y 3361:) 3310:Y 3234:) 3183:Y 3116:) 3067:Y 2992:) 2946:) 2895:Y 2827:) 2776:Y 2712:) 2663:Y 2607:) 2556:Y 2480:) 2431:Y 2372:) 2321:Y 2246:) 2195:Y 2127:) 2078:Y 1997:) 1946:Y 1869:) 1818:Y 1737:) 1686:Y 1625:) 1576:Y 1502:) 1451:Y 1391:) 1342:Y 1275:) 1224:Y 1167:) 1116:Y 1081:- 1043:) 992:Y 927:) 876:Y 800:) 749:Y 674:) 623:Y 547:) 496:Y 424:) 373:Y 324:G 319:B 160:G 154:B 22:.

Index

List of SSSIs by Area of Search
Tring Reservoirs at sunrise
county
eastern England
Bedfordshire
Cambridgeshire
Essex
Buckinghamshire
Greater London
county town
Hertford
Area of Search
SSSIs
Natural England
flora
fauna
OpenStreetMap
KML
GPX (all coordinates)
GPX (primary coordinates)
GPX (secondary coordinates)
Chilterns Area of Outstanding Natural Beauty
Geological Conservation Review
Essex Wildlife Trust
Herts and Middlesex Wildlife Trust
Local nature reserve
A Nature Conservation Review
National nature reserve
National Trust
Ramsar site

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