865:
days and does not perform well when planted south of the 37th parallel, the approximate southern limit of its range in Europe. Further, most North
American Norway maples are believed descended from stock brought from Germany, at approximately 48°N to 54°N, not the more southerly ecotypes found in Italy and the Balkans that evolved for similar lighting conditions as the continental United States. The heavy seed crop and high germination rate contributes to its invasiveness in North America, where it forms dense monotypic stands that choke out native vegetation. The tree is also capable of growing in low lighting conditions within a forest canopy, leafs out earlier than most North American maple species, and its growing season tends to run longer as the lighting conditions of the United States (see above) result in fall dormancy occurring later than it does in the higher latitude of Europe. It is one of the few introduced species that can successfully invade and colonize a virgin forest. By comparison, in its native range, Norway maple is rarely a dominant species and instead occurs mostly as a scattered understory tree.
1072:
1084:
833:(leaf stem); Norway maple petioles have white sap. The tips of the points on Norway maple leaves reduce to a fine "hair", while the tips of the points on sugar maple leaves are, on close inspection, rounded. On mature trees, sugar maple bark is more shaggy, while Norway maple bark has small, often criss-crossing grooves. While the shape and angle of leaf lobes vary somewhat within all maple species, the leaf lobes of Norway maple tend to have a more triangular (acuminate) shape, in contrast to the more finely toothed lobes of sugar maples, that narrow towards the base. Flowering and seed production begins at ten years of age; however, large quantities of seeds are not produced until the tree is 20. As with most maples, Norway maple is normally
742:
730:
754:
1096:
1060:
1108:
1013:
82:
633:
240:
874:
38:
57:
773:
720:
wrapping around themselves, girdling and killing the tree. In addition, their roots tend to be quite shallow and thereby they easily out-compete nearby plants for nutrient uptake. Norway maples often cause significant damage and cleanup costs for municipalities and homeowners when branches break off in storms as they do not have strong wood.
859:
of Norway maple occurs roughly when air temperatures reach 55°F (12°C) and there is at least 13 hours of daylight. Leaf drop in autumn is initiated when day lengths fall to approximately 10 hours. Depending on the latitude, leaf drop may vary by as much as three weeks, beginning in the second week of
864:
seeds require only three months of exposure to temperatures lower than 4 °C (40 °F) and will sprout in early spring, around the same time that leafout begins. Norway maple does not require freezing temperatures for proper growth; however, it is adapted to higher latitudes with long summer
1020:
The Norway maple was introduced to northeastern North
America between 1750 and 1760 as an ornamental shade tree. It was brought to the Pacific Northwest in the 1870s. Today, Norway maples tend to be most common in the Pacific Northwest, in southern Ontario, and along the Kennebec river in southern
989:
have been selected for distinctive leaf shapes or colorations, such as the dark purple of 'Crimson King' and 'Schwedleri', the variegated leaves of 'Drummondii', the light green of 'Emerald Queen', and the deeply divided, feathery leaves of 'Dissectum' and 'Lorbergii'. The purple-foliage cultivars
719:
Under ideal conditions in its native range, Norway maple may live up to 250 years, but often has a much shorter life expectancy; in North
America, for example, sometimes only 60 years. Especially when used on streets, it can have insufficient space for its root network and is prone to the roots
852:, which are at 90 degrees to each other. Norway maple seeds are flattened, while those of sugar maple are globose. The sugar maple usually has a brighter orange autumn color, where the Norway maple is usually yellow, although some of the red-leaved cultivars appear more orange.
889:
of 1,010 lbf or 4,500 N. The wood is rated as non-durable to perishable in regard to decay resistance. In Europe, it is used for furniture, flooring and musical instruments. This species as grown in the former
Yugoslavia is also called
1804:
1133:, the Norway maple seedminer, is a moth of the family Nepticulidae. The larvae emerge from eggs laid on the samara and tunnel to the seeds. Norway maple is generally free of serious diseases, though can be attacked by the
976:
in Europe, and is used for medium to large bonsai sizes and a multitude of styles. Norway maples are not typically cultivated for maple syrup production due to the lower sugar content of the sap compared to sugar maple.
820:(Shandong maple). From the field maple, the Norway maple is distinguished by its larger leaves with pointed, not blunt, lobes, and from the other species by the presence of one or more teeth on all of the lobes.
525:
is grey-brown and shallowly grooved. Unlike many other maples, mature trees do not tend to develop a shaggy bark. The shoots are green at first, soon becoming pale brown. The winter buds are shiny red-brown.
1021:
Maine. The roots of Norway maples grow very close to the ground surface, starving other plants of moisture. For example, lawn grass (and even weeds) will usually not grow well beneath a Norway maple, but
1851:
1269:
781:
1071:
1304:
1338:
1083:
1059:
1607:
1891:
1053:
has classified it as an invasive plant species. Despite these steps, the species is still available and widely used for urban plantings in many areas.
1037:
than the sugar maple, allowing it to gain a competitive advantage against the latter species. As a result of these characteristics, it is considered
905:
Norway maple has been widely taken into cultivation in other areas, including western Europe northwest of its native range. It grows north of the
2302:
796:
Pax, characterised by flattened, disc-shaped seeds and the shoots and leaves containing milky sap. Other related species in this section include
1095:
2403:
1594:
2608:
2633:
2059:
1869:
953:. They tend to prefer wetter Oceanic climates. During the 1950s–60s it became popular as a street tree due to the large-scale loss of
2498:
2065:
1029:
growth. Some have suggested Norway maples may also release chemicals to discourage undergrowth, although this claim is controversial.
990:
have orange to red autumn colour. 'Columnare' is selected for its narrow upright growth. The cultivars 'Crimson King' and 'Prigold' (
860:
October in
Scandinavia and the first week of November in southern Europe. Unlike some other maples that wait for the soil to warm up,
1284:
949:
4 to 7 but will grow in warmer zones (at least up to Zone 10) where summer heat is moderate, as along the
Pacific coast south to the
2033:
2227:
1242:
2328:
2253:
1316:
517:
tree, growing to 20–30 m (65–100 ft) tall with a trunk up to 1.5 m (5 ft) in diameter, and a broad, rounded
1342:
2369:
1670:
1537:
1478:
1446:
1033:
has been shown to inhibit the growth of native saplings as a canopy tree or as a sapling. The Norway maple also suffers less
741:
729:
2477:
1553:
2643:
2333:
1711:
2204:
1947:
1615:
629: in) long, and secretes a milky juice when broken. The autumn colour is usually yellow, occasionally orange-red.
2638:
2015:
1985:
1508:
1233:
2240:
716:–2 in) long, widely spread, approaching a 180° angle. It typically produces a large quantity of viable seeds.
81:
2408:
2289:
1636:
881:
The wood is hard, yellowish-white to pale reddish, with the heartwood not distinct; it is used for furniture and
753:
2628:
187:
2516:
2390:
1686:
1921:
1805:"Testing the enemy release hypothesis: a comparison of foliar insect herbivory of the exotic Norway maple (
2157:
1899:
2524:
2315:
2147:
2142:
1025:, with its minimal rooting needs, may thrive. In addition, the dense canopy of Norway maples can inhibit
997:
597: in) across; the lobes each bear one to three side teeth, and an otherwise smooth margin. The leaf
2511:
2123:
1107:
2258:
2418:
2364:
926:
664: in) long; flowering occurs in early spring before the new leaves emerge. The fruit is a double
2219:
2623:
1211:
2382:
2572:
2503:
1406:
877:
Foliage and fruits; the fruit are an important characteristic for identification of this species
2618:
2307:
2085:
2467:
2007:
1736:
1734:
1732:
1129:
1001:
214:
2552:
2444:
2346:
1877:
2281:
2178:
1827:
1758:
1729:
1156:
946:
8:
2462:
2030:
1786:
1385:
1166:
1164:
mite that causes a 'felt gall', found on the underside of leaves of both sycamore maple (
886:
46:
20:
2490:
1831:
1762:
644:
of 15–30 together, yellow to yellow-green with five sepals and five petals 3–4 mm (
2580:
1843:
1526:
895:
256:
76:
2439:
2165:
2011:
2000:
1981:
1771:
1742:
1666:
1533:
1504:
1474:
1442:
1188:
1150:
1050:
958:
950:
918:
899:
804:
2053:
1867:
1847:
2585:
1835:
1766:
1641:
The Ohio State
University College of Food, Agricultural, and Environmental Sciences
1206:
1038:
830:
598:
2245:
2170:
1012:
2426:
2356:
2037:
1567:
930:
538:
119:
2562:
2395:
2613:
2529:
2485:
1581:
1134:
938:
933:; although not considered reliably hardy northward, it has been established at
845:
825:
816:
798:
665:
518:
106:
2454:
1839:
2602:
2341:
2209:
1197:
1046:
1042:
942:
917:. In North America, it is planted as a street and shade tree as far north as
906:
891:
856:
632:
534:
522:
230:
66:
61:
1876:. National Park Service and U.S. Fish & Wildlife Service. Archived from
829:(sugar maple). The sugar maple is easy to differentiate by clear sap in the
2108:
1955:
1141:
1022:
954:
810:
789:
2320:
2542:
2377:
2266:
2117:
1954:. New York State Department of Environmental Conservation. Archived from
1740:
1124:
969:
934:
882:
873:
848:
with widely diverging wings, distinguishing them from those of sycamore,
499:
487:
239:
165:
2431:
2134:
2232:
1065:
Fruit (samara): note the flat seed capsule and the angle of the "wings"
1026:
838:
495:
155:
2271:
2191:
1802:
1339:"Introduced Species Summary Project: Norway Maple (Acer platanoides)"
1034:
964:
It is favored due to its tall trunk and tolerance of poor, compacted
834:
514:
2079:
910:
780:
2537:
2102:
1868:
Swearingen, J.; Reshetiloff, K.; Slattery, B.; Zwicker, S. (2002).
986:
885:. Norway maple sits ambiguously between hard and soft maple with a
855:
The flowers emerge in spring before the leaves and last 2-3 weeks.
132:
37:
2294:
2196:
1554:"Differences Between Hard Maple and Soft Maple, The Wood Database"
1246:
772:
2058:- information, genetic conservation units and related resources.
1747:
inhibits native sapling growth in forest understorey communities"
1364:
1161:
922:
248:
672:. the seeds are disc-shaped, strongly flattened, 10–15 mm (
2183:
1503:(Fourth ed.). Suffolk, U.K.: C. & M. Logistics Press.
973:
914:
823:
It is also frequently confused with the more distantly related
641:
483:
145:
16:
Species of flowering plant in the soapberry family
Sapindaceae
479:
475:
175:
93:
894:
and is probably the maple used by the
Italian violin makers
478:
native to eastern and central Europe and western Asia, from
1180:
965:
669:
530:
494:. It was introduced to North America in the mid-1700s as a
491:
1948:"Interim List of Invasive Plant Species in New York State"
1007:
1471:
A Field Guide to the Trees of
Britain and Northern Europe
1599:
1186:
1741:
Shannon L. Galbraith-Kent; Steven N. Handel (2008).
972:
has difficulty. It has become a popular species for
767:
1305:"Introduced Species Summary Project: Norway maple (
2006:. Princeton: Princeton University Press. pp.
1999:
1803:C. L. Cincotta; J. M. Adams; C. Holzapfel (2009).
1525:
841:, and trees may change gender from year to year.
2600:
1041:in some states, and has been banned for sale in
1976:Phillips, D. H., & Burdekin, D. A. (1992).
837:(separate male and female trees), occasionally
1212:10.2305/IUCN.UK.2017-3.RLTS.T193853A2286184.en
1637:"North American Maple Syrup Producers Manual"
968:and urban pollution, conditions in which the
1874:Plant Invaders of Mid-Atlantic Natural Areas
1432:
1430:
1428:
702: in) thick. The wings are 3–5 cm (
2060:European Forest Genetic Resources Programme
1298:
1296:
1154:infection are common but largely harmless.
1523:
238:
55:
36:
1770:
1436:
1425:
1210:
788:The Norway maple is a member (and is the
1940:
1494:
1492:
1490:
1468:
1293:
1243:Botanical Society of Britain and Ireland
1011:
872:
779:
771:
631:
1978:Diseases of Forest and Ornamental Trees
1532:. London, U.K.: Metheun & Co. Ltd.
1008:As an invasive species in North America
925:, it is common in cultivation north to
868:
2601:
1997:
1991:
1660:
1605:
1464:
1462:
1460:
1458:
1101:Purple leaves of cultivar 'Schwedleri'
844:The fruits of Norway maple are paired
2084:
2083:
1922:"Massachusetts Prohibited Plant List"
1528:Trees and bushes in wood and hedgerow
1517:
1498:
1487:
1226:
1123:The larvae of a number of species of
2419:46345248-5cce-43e8-b010-176ffd1be2f6
2002:Magical Mushrooms, Mischievous Molds
1302:
1232:
2609:IUCN Red List least concern species
1654:
1455:
1198:IUCN Red List of Threatened Species
1016:Feral Norway maple in Philadelphia.
13:
2634:Trees of humid continental climate
2024:
1970:
1896:New Hampshire Dept. of Agriculture
1568:"Trees Near Their Limits – Alaska"
1118:
14:
2655:
2047:
1595:History and Range of Norway Maple
1582:"Norway Maple (Acer platanoides)"
1407:"Norway Maple (Acer platanoides)"
1187:Crowley, D.; Barstow, M. (2017).
768:Classification and identification
569: in) long and 8–25 cm (
2517:urn:lsid:ipni.org:names:781455-1
1809:L.) and the native sugar maple (
1772:10.1111/j.1365-2745.2007.01337.x
1106:
1094:
1082:
1070:
1058:
752:
740:
728:
692: in) across and 3 mm (
80:
1914:
1884:
1861:
1796:
1779:
1704:
1679:
1663:New RHS Dictionary of Gardening
1629:
1588:
1574:
1560:
1546:
1089:Atypical orange-red fall colour
541:with five lobes, 7–14 cm (
498:. It is a member of the family
1614:. Ma-Ke Bonsai. Archived from
1501:New flora of the British Isles
1399:
1378:
1357:
1331:
1278:
1263:
1127:feed on Norway maple foliage.
505:
1:
1787:"Controlling Invasive Plants"
1716:Princeton Gold='Prigo' (PBR)"
1608:"Ma-Ke Bonsai Care Guide for
1524:Vedel, H.; Lange, J. (1960).
1173:
1952:Advisory Invasive Plant List
980:
945:. It is most recommended in
7:
2644:Taxa named by Carl Linnaeus
2040:Retrieved : 2013-07-10
1439:Trees of Britain and Europe
1148:spp. "Tar spots" caused by
1077:Typical yellow fall foliage
998:Royal Horticultural Society
10:
2660:
490:and southeast to northern
18:
2092:
1840:10.1007/s10530-008-9255-9
262:
255:
247:Distribution map (native
246:
237:
220:
213:
77:Scientific classification
75:
53:
44:
35:
30:
2639:Plants described in 1753
470:, commonly known as the
19:Not to be confused with
2066:Portrait of the Earth:
1998:Hudler, George (1998).
1144:wilt disease caused by
1687:"RHS Plant Selector –
1285:Den virtuella floran:
1017:
878:
785:
777:
637:
2629:Flora of Western Asia
1469:Mitchell, AF (1974).
1437:Rushforth, K (1999).
1205:: e.T193853A2286184.
1170:) and Norway maples.
1130:Ectoedemia sericopeza
1015:
1002:Award of Garden Merit
876:
814:(Lobel's maple), and
808:(Cappadocian maple),
783:
775:
635:
347:R.Uechtr. & Sint.
1820:Biological Invasions
1499:Stace, C.A. (2019).
1157:Aceria pseudoplatani
947:USDA Hardiness Zones
869:Cultivation and uses
486:, north to southern
1832:2009BiInv..11..379C
1763:2008JEcol..96..293G
1661:Huxley, A. (1992).
1313:Columbia University
1167:Acer pseudoplatanus
850:Acer pseudoplatanus
640:The flowers are in
206:A. platanoides
47:Conservation status
21:Acer pseudoplatanus
2074:with winter images
2036:2013-10-29 at the
1902:on 7 November 2012
1892:"Invasive Species"
1751:Journal of Ecology
1386:"Acer platanoides"
1365:"Acer platanoides"
1018:
996:) have gained the
879:
786:
778:
747:Leaf, abaxial side
735:Leaf, adaxial side
638:
474:, is a species of
452:Acer turkestanicum
428:Euacer platanoides
420:Euacer acutifolium
380:Acer platanifolium
2596:
2595:
2440:Open Tree of Life
2086:Taxon identifiers
1672:978-0-333-47494-5
1539:978-0-416-61780-1
1480:978-0-00-212035-7
1448:978-0-00-220013-4
1151:Rhytisma acerinum
1138:Uncinula bicornis
1051:state of New York
959:Dutch elm disease
951:Los Angeles basin
919:Anchorage, Alaska
805:Acer cappadocicum
792:) of the section
601:is 8–20 cm (
463:
462:
456:
448:
444:Acer pseudolaetum
440:
432:
424:
416:
408:
400:
392:
388:Acer reitenbachii
384:
376:
372:Acer palmatifidum
368:
360:
348:
336:
328:
320:
312:
300:
288:
280:
272:Acer cappadocicum
70:
2651:
2589:
2588:
2576:
2575:
2566:
2565:
2556:
2555:
2546:
2545:
2533:
2532:
2520:
2519:
2507:
2506:
2494:
2493:
2481:
2480:
2471:
2470:
2468:Acer platanoides
2458:
2457:
2455:Acer_platanoides
2448:
2447:
2435:
2434:
2422:
2421:
2412:
2411:
2399:
2398:
2396:NBNSYS0000003192
2386:
2385:
2373:
2372:
2360:
2359:
2350:
2349:
2337:
2336:
2324:
2323:
2311:
2310:
2298:
2297:
2285:
2284:
2275:
2274:
2262:
2261:
2249:
2248:
2236:
2235:
2223:
2222:
2213:
2212:
2200:
2199:
2187:
2186:
2174:
2173:
2161:
2160:
2151:
2150:
2138:
2137:
2128:
2127:
2126:
2124:Acer platanoides
2113:
2112:
2111:
2094:Acer platanoides
2081:
2080:
2068:Acer platanoides
2055:Acer platanoides
2041:
2028:
2022:
2021:
2005:
1995:
1989:
1974:
1968:
1967:
1965:
1963:
1944:
1938:
1937:
1935:
1933:
1918:
1912:
1911:
1909:
1907:
1898:. Archived from
1888:
1882:
1881:
1865:
1859:
1858:
1856:
1850:. Archived from
1817:
1807:Acer platanoides
1800:
1794:
1793:
1791:
1783:
1777:
1776:
1774:
1745:Acer platanoides
1738:
1727:
1726:
1724:
1722:
1714:Acer platanoides
1708:
1702:
1701:
1699:
1697:
1689:Acer platanoides
1683:
1677:
1676:
1658:
1652:
1651:
1649:
1647:
1633:
1627:
1626:
1624:
1623:
1610:Acer platanoides
1603:
1597:
1592:
1586:
1585:
1578:
1572:
1571:
1564:
1558:
1557:
1550:
1544:
1543:
1531:
1521:
1515:
1514:
1496:
1485:
1484:
1466:
1453:
1452:
1434:
1423:
1422:
1420:
1418:
1411:www.devostree.ca
1403:
1397:
1396:
1394:
1392:
1382:
1376:
1375:
1373:
1371:
1361:
1355:
1354:
1352:
1350:
1341:. Archived from
1335:
1329:
1328:
1326:
1324:
1315:. Archived from
1307:Acer platanoides
1303:Love, R (2003).
1300:
1291:
1287:Acer platanoides
1282:
1276:
1272:Acer platanoides
1270:Flora Europaea:
1267:
1261:
1260:
1258:
1257:
1251:
1245:. Archived from
1240:
1230:
1224:
1223:
1221:
1219:
1214:
1191:Acer platanoides
1184:
1110:
1098:
1086:
1074:
1062:
995:
927:Sault Ste. Marie
756:
744:
732:
715:
714:
710:
707:
701:
700:
696:
691:
690:
686:
681:
680:
676:
668:with two winged
663:
662:
658:
653:
652:
648:
636:Flower, close-up
628:
627:
623:
620:
614:
613:
609:
606:
596:
595:
591:
588:
582:
581:
577:
574:
568:
567:
563:
560:
554:
553:
549:
546:
511:Acer platanoides
467:Acer platanoides
454:
446:
439:Rehder ex Lipsky
438:
430:
422:
414:
406:
398:
390:
382:
375:Tausch ex Steud.
374:
366:
358:
346:
334:
327:Borkh. ex Tratt.
326:
318:
310:
298:
286:
279:(Pax) A.E.Murray
278:
242:
226:
224:Acer platanoides
192:
85:
84:
64:
59:
58:
40:
28:
27:
2659:
2658:
2654:
2653:
2652:
2650:
2649:
2648:
2624:Trees of Europe
2599:
2598:
2597:
2592:
2584:
2579:
2571:
2569:
2561:
2559:
2551:
2549:
2541:
2536:
2528:
2523:
2515:
2510:
2502:
2497:
2489:
2484:
2476:
2474:
2466:
2461:
2453:
2451:
2443:
2438:
2430:
2427:Observation.org
2425:
2417:
2415:
2407:
2402:
2394:
2389:
2381:
2376:
2368:
2363:
2355:
2354:MichiganFlora:
2353:
2345:
2340:
2332:
2327:
2319:
2314:
2306:
2301:
2293:
2288:
2280:
2278:
2270:
2265:
2257:
2252:
2244:
2239:
2231:
2226:
2218:
2216:
2208:
2203:
2195:
2190:
2182:
2177:
2169:
2164:
2156:
2154:
2146:
2141:
2133:
2131:
2122:
2121:
2116:
2107:
2106:
2101:
2088:
2050:
2045:
2044:
2038:Wayback Machine
2029:
2025:
2018:
1996:
1992:
1975:
1971:
1961:
1959:
1946:
1945:
1941:
1931:
1929:
1920:
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1915:
1905:
1903:
1890:
1889:
1885:
1866:
1862:
1854:
1815:
1801:
1797:
1789:
1785:
1784:
1780:
1739:
1730:
1720:
1718:
1710:
1709:
1705:
1695:
1693:
1691:'Crimson King'"
1685:
1684:
1680:
1673:
1659:
1655:
1645:
1643:
1635:
1634:
1630:
1621:
1619:
1618:on 14 July 2011
1604:
1600:
1593:
1589:
1584:. 10 June 2021.
1580:
1579:
1575:
1566:
1565:
1561:
1552:
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1294:
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1279:
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1255:
1253:
1249:
1238:
1231:
1227:
1217:
1215:
1185:
1181:
1176:
1121:
1119:Natural enemies
1114:
1111:
1102:
1099:
1090:
1087:
1078:
1075:
1066:
1063:
1010:
991:
983:
871:
802:(field maple),
770:
765:
764:
763:
760:
757:
748:
745:
736:
733:
712:
708:
705:
703:
698:
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593:
589:
586:
584:
579:
575:
572:
570:
565:
561:
558:
556:
551:
547:
544:
542:
539:palmately lobed
508:
459:
415:Opiz ex Tausch.
412:Acer vitifolium
404:Acer schwedleri
332:Acer lactescens
324:Acer laciniatum
268:
267:
233:
228:
222:
209:
190:
79:
71:
60:
56:
49:
24:
17:
12:
11:
5:
2657:
2647:
2646:
2641:
2636:
2631:
2626:
2621:
2616:
2611:
2594:
2593:
2591:
2590:
2586:wfo-0000514884
2577:
2567:
2557:
2547:
2534:
2521:
2508:
2495:
2482:
2472:
2459:
2449:
2436:
2423:
2413:
2400:
2387:
2374:
2361:
2351:
2338:
2325:
2312:
2299:
2286:
2276:
2263:
2250:
2237:
2224:
2214:
2201:
2188:
2175:
2162:
2152:
2139:
2129:
2114:
2098:
2096:
2090:
2089:
2078:
2077:
2070:(Norway maple)
2063:
2049:
2048:External links
2046:
2043:
2042:
2023:
2016:
1990:
1969:
1958:on 12 May 2013
1939:
1913:
1883:
1880:on 2003-03-17.
1870:"Norway Maple"
1860:
1857:on 2010-07-10.
1826:(2): 379–388.
1795:
1778:
1757:(2): 293–302.
1728:
1703:
1678:
1671:
1653:
1628:
1606:D'Cruz, Mark.
1598:
1587:
1573:
1559:
1545:
1538:
1516:
1509:
1486:
1479:
1454:
1447:
1424:
1413:. Feb 12, 2018
1398:
1377:
1356:
1330:
1292:
1277:
1262:
1235:BSBI List 2007
1225:
1178:
1177:
1175:
1172:
1135:powdery mildew
1120:
1117:
1116:
1115:
1112:
1105:
1103:
1100:
1093:
1091:
1088:
1081:
1079:
1076:
1069:
1067:
1064:
1057:
1031:A. platanoides
1009:
1006:
993:Princeton Gold
982:
979:
941:, and even at
939:Iroquois Falls
887:Janka hardness
870:
867:
862:A. platanoides
826:Acer saccharum
817:Acer truncatum
799:Acer campestre
776:Tree in flower
769:
766:
762:
761:
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4:
3:
2:
2656:
2645:
2642:
2640:
2637:
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2622:
2620:
2619:Trees of Asia
2617:
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2604:
2587:
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2578:
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2260:
2255:
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2221:
2215:
2211:
2206:
2202:
2198:
2193:
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2185:
2180:
2176:
2172:
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2163:
2159:
2153:
2149:
2144:
2140:
2136:
2130:
2125:
2119:
2115:
2110:
2104:
2100:
2099:
2097:
2095:
2091:
2087:
2082:
2075:
2071:
2069:
2064:
2061:
2057:
2056:
2052:
2051:
2039:
2035:
2032:
2027:
2019:
2017:9780691028736
2013:
2009:
2004:
2003:
1994:
1987:
1986:0-333-49493-8
1983:
1979:
1973:
1957:
1953:
1949:
1943:
1927:
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1917:
1901:
1897:
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1737:
1735:
1733:
1717:
1715:
1707:
1692:
1690:
1682:
1674:
1668:
1665:. Macmillan.
1664:
1657:
1642:
1638:
1632:
1617:
1613:
1611:
1602:
1596:
1591:
1583:
1577:
1569:
1563:
1555:
1549:
1541:
1535:
1530:
1529:
1520:
1512:
1510:9781527226302
1506:
1502:
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1461:
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1444:
1440:
1433:
1431:
1429:
1412:
1408:
1402:
1391:September 30,
1387:
1381:
1370:September 30,
1366:
1360:
1349:September 30,
1345:on 2018-09-09
1344:
1340:
1334:
1319:on 2016-08-21
1318:
1314:
1310:
1308:
1299:
1297:
1290:
1288:
1281:
1275:
1273:
1266:
1252:on 2015-06-26
1248:
1244:
1237:
1236:
1229:
1213:
1208:
1204:
1200:
1199:
1194:
1192:
1183:
1179:
1171:
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1163:
1159:
1158:
1153:
1152:
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1143:
1139:
1136:
1132:
1131:
1126:
1113:Twig and buds
1109:
1104:
1097:
1092:
1085:
1080:
1073:
1068:
1061:
1056:
1055:
1054:
1052:
1048:
1047:Massachusetts
1044:
1043:New Hampshire
1040:
1036:
1032:
1028:
1024:
1014:
1005:
1003:
999:
994:
988:
978:
975:
971:
967:
962:
960:
956:
955:American elms
952:
948:
944:
943:Moose Factory
940:
936:
932:
928:
924:
920:
916:
912:
908:
907:Arctic Circle
903:
901:
897:
893:
892:Bosnian maple
888:
884:
875:
866:
863:
858:
853:
851:
847:
842:
840:
836:
832:
828:
827:
821:
819:
818:
813:
812:
807:
806:
801:
800:
795:
791:
782:
774:
755:
750:
743:
738:
731:
726:
725:
721:
717:
671:
667:
643:
634:
630:
600:
540:
536:
532:
527:
524:
520:
516:
512:
503:
501:
497:
493:
489:
485:
481:
477:
473:
469:
468:
453:
450:
445:
442:
437:
434:
429:
426:
421:
418:
413:
410:
405:
402:
397:
396:Acer rotundum
394:
389:
386:
381:
378:
373:
370:
365:
364:Acer lobergii
362:
357:
353:
350:
345:
341:
338:
333:
330:
325:
322:
317:
314:
309:
305:
302:
297:
293:
290:
285:
282:
277:
276:turkestanicum
273:
270:
269:
261:
258:
254:
250:
245:
241:
236:
232:
227:
225:
219:
216:
215:Binomial name
212:
208:
207:
202:
199:
198:
195:
194:
186:
183:
182:
179:
178:
174:
171:
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157:
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147:
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138:
137:
134:
131:
128:
125:
124:
121:
118:
115:
112:
111:
108:
107:Tracheophytes
105:
102:
99:
98:
95:
92:
89:
88:
83:
78:
74:
68:
63:
62:Least Concern
52:
48:
43:
39:
34:
31:Norway maple
29:
26:
22:
2093:
2073:
2067:
2054:
2026:
2001:
1993:
1980:. Macmillan
1977:
1972:
1960:. Retrieved
1956:the original
1951:
1942:
1930:. Retrieved
1925:
1916:
1904:. Retrieved
1900:the original
1895:
1886:
1878:the original
1873:
1863:
1852:the original
1823:
1819:
1811:A. saccharum
1810:
1806:
1798:
1781:
1754:
1750:
1744:
1719:. Retrieved
1713:
1706:
1694:. Retrieved
1688:
1681:
1662:
1656:
1644:. Retrieved
1640:
1631:
1620:. Retrieved
1616:the original
1609:
1601:
1590:
1576:
1562:
1548:
1527:
1519:
1500:
1470:
1438:
1415:. Retrieved
1410:
1401:
1389:. Retrieved
1380:
1368:. Retrieved
1359:
1347:. Retrieved
1343:the original
1333:
1321:. Retrieved
1317:the original
1312:
1306:
1289:distribution
1286:
1280:
1274:distribution
1271:
1265:
1254:. Retrieved
1247:the original
1234:
1228:
1216:. Retrieved
1202:
1196:
1190:
1182:
1165:
1155:
1149:
1146:Verticillium
1145:
1142:verticillium
1137:
1128:
1122:
1030:
1019:
992:
984:
963:
904:
880:
861:
854:
849:
843:
824:
822:
815:
811:Acer lobelii
809:
803:
797:
793:
790:type species
787:
718:
639:
528:
510:
509:
472:Norway maple
471:
466:
465:
464:
451:
443:
436:Acer lipskyi
435:
427:
419:
411:
403:
395:
387:
379:
371:
363:
355:
352:Acer lobelii
351:
343:
339:
331:
323:
315:
307:
304:Acer dieckii
303:
296:integrilobum
295:
292:Acer dieckii
291:
284:Acer dieckii
283:
275:
271:
223:
221:
205:
204:
188:
176:
139:
126:
113:
100:
25:
2491:kew-2616254
2378:NatureServe
2267:iNaturalist
2118:Wikispecies
2031:Plant Galls
1721:29 December
1696:23 February
1473:. Collins.
1441:. Collins.
1218:12 November
1125:Lepidoptera
1023:English ivy
970:sugar maple
935:Kapuskasing
883:woodturning
794:Platanoidea
506:Description
500:Sapindaceae
488:Scandinavia
344:cordifolium
340:Acer laetum
316:Acer fallax
193:Platanoidea
166:Sapindaceae
120:Angiosperms
2603:Categories
2570:WisFlora:
2486:Plant List
2155:Calflora:
2062:(EUFORGEN)
1906:22 October
1743:"Invasive
1622:2011-07-05
1256:2014-10-17
1174:References
1027:understory
896:Stradivari
839:monoecious
496:shade tree
447:Radde-Fom.
308:monstrosum
156:Sapindales
1932:28 August
1646:27 August
1323:27 August
1035:herbivory
987:cultivars
981:Cultivars
835:dioecious
515:deciduous
431:(L.) Opiz
287:(Pax) Pax
200:Species:
184:Section:
90:Kingdom:
2560:VASCAN:
2538:Tropicos
2452:PalDat:
2383:2.140646
2308:11259571
2295:781455-1
2132:BioLib:
2103:Wikidata
2034:Archived
1926:Mass.gov
1848:45919084
1039:invasive
900:Guarneri
535:opposite
482:east to
257:Synonyms
162:Family:
133:Eudicots
67:IUCN 3.1
2365:MoBotPF
2233:3189846
1828:Bibcode
1759:Bibcode
1417:June 6,
1162:acarine
931:Sudbury
923:Ontario
857:Leafout
846:samaras
831:petiole
711:⁄
697:⁄
687:⁄
677:⁄
659:⁄
649:⁄
642:corymbs
624:⁄
610:⁄
599:petiole
592:⁄
578:⁄
564:⁄
550:⁄
356:dieckii
311:Schwer.
299:Schwer.
274:subsp.
249:habitat
172:Genus:
152:Order:
94:Plantae
65: (
2553:456230
2550:uBio:
2543:200035
2499:PLANTS
2445:948919
2416:NZOR:
2370:275380
2347:193853
2220:acepla
2217:FEIS:
2210:150801
2184:583070
2148:101022
2109:Q26745
2014:
1984:
1962:1 June
1928:. 2017
1846:
1669:
1536:
1507:
1477:
1445:
1160:is an
1140:, and
1049:. The
974:bonsai
915:Norway
911:Tromsø
666:samara
531:leaves
521:. The
484:Russia
407:K.Koch
391:Dippel
383:Stokes
367:Dippel
146:Rosids
2614:Maple
2475:PFI:
2334:28755
2303:IRMNG
2279:IPA:
2272:54763
2205:EUNIS
2197:ACRPL
1855:(PDF)
1844:S2CID
1816:(PDF)
1790:(PDF)
1250:(xls)
1239:(xls)
985:Many
966:soils
957:from
921:. In
759:Fruit
670:seeds
519:crown
513:is a
480:Spain
476:maple
399:Dulac
354:var.
342:var.
335:Pers.
191:sect.
189:Acer
140:Clade
127:Clade
114:Clade
101:Clade
2573:2422
2563:9210
2512:POWO
2504:ACPL
2478:3036
2463:PfaF
2432:6332
2409:4025
2404:NCBI
2357:2652
2342:IUCN
2329:ITIS
2321:2883
2290:IPNI
2282:3002
2259:1209
2254:GRIN
2241:GISD
2228:GBIF
2192:EPPO
2171:94H3
2158:9274
2143:BOLD
2135:3610
2012:ISBN
1982:ISBN
1964:2013
1934:2018
1908:2013
1813:L.)"
1723:2017
1698:2020
1667:ISBN
1648:2018
1534:ISBN
1505:ISBN
1475:ISBN
1443:ISBN
1419:2018
1393:2018
1372:2018
1351:2018
1325:2018
1220:2021
1203:2017
1045:and
937:and
929:and
898:and
784:Bark
533:are
529:The
523:bark
492:Iran
423:Opiz
266:List
177:Acer
2581:WFO
2530:246
2525:RHS
2391:NBN
2316:ISC
2246:979
2179:EoL
2166:CoL
2008:248
1836:doi
1767:doi
1207:doi
1000:'s
909:at
455:Pax
359:Pax
319:Pax
306:f.
294:f.
2605::
2583::
2540::
2527::
2514::
2501::
2488::
2465::
2442::
2429::
2406::
2393::
2380::
2367::
2344::
2331::
2318::
2305::
2292::
2269::
2256::
2243::
2230::
2207::
2194::
2181::
2168::
2145::
2120::
2105::
2072:—
2010:.
1950:.
1924:.
1894:.
1872:.
1842:.
1834:.
1824:11
1822:.
1818:.
1765:.
1755:96
1753:.
1749:.
1731:^
1639:.
1489:^
1457:^
1427:^
1409:.
1311:.
1309:)"
1295:^
1241:.
1201:.
1195:.
1004:.
961:.
913:,
902:.
661:16
537:,
502:.
251:)
231:L.
142::
129::
116::
103::
2076:.
2020:.
1988:.
1966:.
1936:.
1910:.
1838::
1830::
1792:.
1775:.
1769::
1761::
1725:.
1712:"
1700:.
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23:.
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