Knowledge (XXG)

Western larch

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42: 681: 669: 253: 117: 693: 72: 705: 94: 1388: 482:, usually on moist slopes up to 1,800 m (5,900 ft) above sea level. It can grow from elevations between 500 and 2,400 m (1,600 and 7,900 ft) and is very cold tolerant, able to survive winter temperatures down to about −50 °C (−58 °F). It only grows on well-drained soils, unable to thrive on waterlogged ground. 571:
Foresters in the United States have also initiated "experimental treatments" of larch-dominated national forests in Montana. However, if some "aggressively warming climate scenarios" actually unfold, foresters will need to let go of any expectations of helping this species maintain a presence south
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would considerably diminish its supply. To pre-empt opposition from biologists and other groups, the government avoided making public consultation on the program. Instead, they framed the policy as an introduction of a non-exotic species to a similar environment, and implemented the program through
555:. Indeed, as average temperatures rise, the optimal climate conditions for trees species are also moving North. Research had shown that western larch trees have no trouble growing in northern BC, an area whose climatic conditions are predicted to match the western larch's historical range by 2030. 342:
reaching 30 to 60 meters (98 to 197 feet) tall, with a trunk up to 1.5 m (4 ft 11 in) diameter; the bark ranges from orangish to purplish brown. The crown is narrow conic; the main branches are level to upswept, with the side branches often drooping. The shoots are dimorphic, with
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British Columbia started seeding western larch trees in northern BC in the early 2010s. This was the first assisted migration program for a North American tree. The western larch was selected for because of its significant commercial importance and the fear that
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Individual specimens can live centuries, even up to a millennium. The largest known specimen is about 1,000 years old, 50 m (160 ft) tall and over 2 m (7 ft) in diameter with a 10 m (34 ft) crown, located at
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to 2 in) long, soft and very slender; they turn bright yellow in the fall, leaving the pale orange-brown shoots bare until the next spring.
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program of western larch to a new habitat in northern British Columbia, about 1000 kilometers north of its current range. Assisted migration of
1715: 944: 1837: 1155: 1797: 506:; normally smaller fires would have depleted the fuel. In more recent years, many smaller fires have been allowed to take their course. 521:. This is frequently during times when other conifer cones that are a more preferred diet are in short supply. Woodpeckers utilize the 1842: 1817: 475: 455: 430:
when mature, four to six months after pollination. The old cones commonly remain on the tree for many years, turning dull gray-black.
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of the sap can be made into baking powder and medicine. An extract of the tree is sold as a health supplement. The water-soluble
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Grouse browse the tree's leaves and buds. The seeds are an important substitute winter food for some birds, notably the
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when young to remove side branches. Small larch poles are widely used for rustic fencing. The wood is highly prized as
1807: 779: 1728: 1827: 1812: 1635: 859:"The development of assisted migration policy in Canada: An analysis of the politics of composing future forests" 498:. In the late 20th century, after wildfires had been suppressed for almost a century, larches at Seeley Lake and 495: 1832: 692: 552: 1733: 580:
Indigenous peoples applied the resinous gum to injuries and chewed it to treat sore throat. Some also ate the
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growth divided into long shoots (typically 10 to 50 centimeters (4 to 20 in) long) and bearing several
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building; wood used for this must be free of knots, and can only be obtained from old trees that were
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of Montana in particular collected the sap. A medicinal tea was made from the bark or foliage. Some
1679: 61: 1622: 756: 252: 1764: 1240: 936: 834: 544: 312: 111: 1720: 1684: 1583: 1666: 1464: 1287: 1262: 1232: 1213:"Ecological impacts and management strategies for western larch in the face of climate-change" 1071: 1051: 950: 940: 878: 826: 807:"Ecological impacts and management strategies for western larch in the face of climate-change" 646: 635: 548: 288: 490:
Western larch grows more quickly than many associated trees, as it needs to because larch is
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is tough and durable, but also flexible in thin strips, and is particularly valued for
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where it is often called "tamarack," although it is a different species than the
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of older specimens to make openings, which are used by various small animals.
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Northwest Trees: Identifying & Understanding the Region's Native Trees
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images at the Arnold Arboretum of Harvard University Plant Image Database
642:. The wood burns with a sweet fragrance and a distinctive popping noise. 631: 608: 459: 194: 1531: 627: 585: 514: 479: 339: 324: 304: 184: 174: 164: 1557: 398:
to 2 in) long, with 40 to 80 seed scales; each scale bearing an
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Nch'i-Wana, "The Big River": Mid-Columbia Indians and Their Land
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Western larch grows almost exclusively in the drainage of the
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Catalog of Life - Conifer Database - Larix occidentalis Nutt.
1005:"Western Larch (Larix occidentalis Nutt.): An American Wood" 551:
had been proposed as an adaptation measure in response to
1179:"Initiating Climate Adaptation in a Western Larch Forest" 596:
tribes drank an infusion from the young shoots to treat
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the province's existing legal and regulatory framework.
1308:"Fence Post 101: Start with a Good Fencing Foundation" 1217:
Mitigation and Adaptation Strategies for Global Change
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Mitigation and Adaptation Strategies for Global Change
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Rehfeldt, Gerald E.; Jaquish, Barry C. (March 2010).
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Rehfeldt, Gerald E.; Jaquish, Barry C. (March 2010).
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Western Forests (The Audubon Society Nature Guides)
1359:"Turpentine Oil | Applications and Specifications" 929:Arno, Stephen F.; Hammerly, Ramona P. (2020) . 535:Assisted migration of forests in North America 371:are needle-like, light green, 2 to 5 cm ( 757:10.2305/IUCN.UK.2013-1.RLTS.T42315A2971858.en 8: 645:Western larch is used for the production of 347:, and short shoots only 1 to 2 millimeters ( 1022:: Forestry Sciences Laboratory – via 615:is used in food, medicine, ink, and paint. 367: in) long with only a single bud. The 1412: 1148:"How British Columbia Is Moving its Trees" 502:were endangered by major fires enabled by 251: 92: 70: 40: 31: 755: 478:and others in southeast BC and northwest 724: 664: 1122:"White-winged Crossbill: Life History" 1003:Lowery, David P. (February 27, 1985). 924: 922: 920: 918: 916: 914: 912: 1259:Food Plants of Interior First Peoples 1146:Buranyi, Stephen (January 20, 2016). 910: 908: 906: 904: 902: 900: 898: 896: 894: 892: 474:. It appears on ranges including the 388:are ovoid-cylindric, 2 to 5 cm ( 7: 1646:aa4b4cab-1e2f-4eb0-aa2f-61417cbd2dd5 1035: 1033: 968: 966: 964: 852: 850: 848: 458:. It covers the regions from around 1793:IUCN Red List least concern species 980:. February 26, 2004. Archived from 743:IUCN Red List of Threatened Species 283:native to the mountains of western 1177:Crotteau, Justin S (August 2019). 857:Klenk, Nicole L. (March 1, 2015). 25: 935:(field guide ed.). Seattle: 1734:urn:lsid:ipni.org:names:262444-1 1386: 1154:. Vice Media Inc. Archived from 875:10.1016/j.landusepol.2014.12.003 703: 691: 679: 667: 115: 1284:University of Washington Press 1097:"Common Redpoll: Life History" 541:Government of British Columbia 1: 50:William O. Douglas Wilderness 1261:(Victoria: UBC Press, 1997) 1838:Flora of Washington (state) 1072:"Pine Siskin: Life History" 1046:. New York: Knopf. p.  1859: 1798:NatureServe secure species 563:and parasites such as the 532: 1843:Trees of Northern America 1818:Flora of British Columbia 1229:10.1007/s11027-010-9217-2 1040:Whitney, Stephen (1985). 823:10.1007/s11027-010-9217-2 259: 250: 233: 226: 112:Scientific classification 110: 90: 68: 59: 48: 39: 34: 1314:. Woodstream Corporation 1278:Hunn, Eugene S. (1990). 572:of the Canadian border. 686:Leaves and mature cones 674:Western larch in autumn 450:, from the east of the 519:white-winged crossbill 1338:firewood-for-life.com 1198:10.1093/forsci/fxz024 786:. Arlington, Virginia 500:Glacier National Park 1395:at Wikimedia Commons 974:"Larix occidentalis" 778:NatureServe (2024). 750:: e.T42315A2971858. 565:mountain pine beetle 436:Seeley Lake, Montana 335:The tree is a large 219:L. occidentalis 978:Gymnosperm Database 732:Farjon, A. (2013). 454:to the west of the 62:Conservation status 1808:Deciduous conifers 1695:larix-occidentalis 1685:Larix occidentalis 1456:Larix occidentalis 1426:Larix occidentalis 1400:Larix occidentalis 1393:Larix occidentalis 1363:turpentine-oil.com 939:. pp. 70–76. 937:Mountaineers Books 782:Larix occidentalis 736:Larix occidentalis 698:Larix occidentalis 545:assisted migration 529:Assisted migration 456:Continental Divide 279:) is a species of 276:Larix occidentalis 262:Larix occidentalis 237:Larix occidentalis 27:Species of conifer 1780: 1779: 1667:Open Tree of Life 1418:Taxon identifiers 1391:Media related to 1312:zarebasystems.com 1257:Turner, Nancy J. 1158:on April 29, 2016 1126:allaboutbirds.org 1101:allaboutbirds.org 1076:allaboutbirds.org 984:on March 14, 2006 946:978-1-68051-329-5 647:Venice turpentine 636:Pacific Northwest 303:and southwestern 289:Pacific Northwest 267: 266: 260:Natural range of 105: 85: 54:Naches Valley, WA 16:(Redirected from 1850: 1828:Flora of Montana 1813:Flora of Alberta 1773: 1772: 1760: 1759: 1750: 1749: 1737: 1736: 1724: 1723: 1711: 1710: 1698: 1697: 1688: 1687: 1675: 1674: 1662: 1661: 1649: 1648: 1639: 1638: 1626: 1625: 1613: 1612: 1600: 1599: 1587: 1586: 1574: 1573: 1561: 1560: 1548: 1547: 1535: 1534: 1522: 1521: 1509: 1508: 1499: 1498: 1486: 1485: 1473: 1472: 1460: 1459: 1458: 1445: 1444: 1443: 1413: 1390: 1374: 1373: 1371: 1369: 1355: 1349: 1348: 1346: 1344: 1334:"Larch Firewood" 1330: 1324: 1323: 1321: 1319: 1304: 1298: 1297: 1275: 1269: 1255: 1249: 1248: 1208: 1202: 1201: 1183: 1174: 1168: 1167: 1165: 1163: 1143: 1137: 1136: 1134: 1132: 1118: 1112: 1111: 1109: 1107: 1093: 1087: 1086: 1084: 1082: 1068: 1062: 1061: 1037: 1028: 1027: 1018:. Missoula, MT: 1009: 1000: 994: 993: 991: 989: 970: 959: 958: 926: 887: 886: 854: 843: 842: 802: 796: 795: 793: 791: 775: 769: 768: 766: 764: 759: 729: 707: 695: 683: 671: 549:Canadian forests 492:shade intolerant 464:British Columbia 421: 420: 416: 411: 410: 406: 402:4 to 8 mm ( 397: 396: 392: 380: 379: 375: 366: 365: 361: 356: 355: 351: 301:British Columbia 299:in southeastern 293:Inland Northwest 255: 239: 120: 119: 99: 96: 95: 79: 74: 73: 55: 44: 32: 21: 1858: 1857: 1853: 1852: 1851: 1849: 1848: 1847: 1833:Flora of Oregon 1783: 1782: 1781: 1776: 1768: 1763: 1755: 1753: 1745: 1740: 1732: 1727: 1719: 1714: 1706: 1701: 1693: 1691: 1683: 1678: 1670: 1665: 1657: 1654:Observation.org 1652: 1644: 1642: 1634: 1629: 1621: 1616: 1608: 1603: 1595: 1590: 1582: 1577: 1569: 1564: 1556: 1551: 1543: 1538: 1530: 1525: 1517: 1512: 1504: 1502: 1494: 1489: 1481: 1476: 1468: 1463: 1454: 1453: 1448: 1439: 1438: 1433: 1420: 1383: 1378: 1377: 1367: 1365: 1357: 1356: 1352: 1342: 1340: 1332: 1331: 1327: 1317: 1315: 1306: 1305: 1301: 1294: 1286:. p. 354. 1277: 1276: 1272: 1256: 1252: 1210: 1209: 1205: 1181: 1176: 1175: 1171: 1161: 1159: 1152:motherboard.com 1145: 1144: 1140: 1130: 1128: 1120: 1119: 1115: 1105: 1103: 1095: 1094: 1090: 1080: 1078: 1070: 1069: 1065: 1058: 1039: 1038: 1031: 1007: 1002: 1001: 997: 987: 985: 972: 971: 962: 947: 928: 927: 890: 863:Land Use Policy 856: 855: 846: 804: 803: 799: 789: 787: 777: 776: 772: 762: 760: 731: 730: 726: 721: 716: 715: 714: 711: 708: 699: 696: 687: 684: 675: 672: 661: 660: 655: 613:arabinogalactan 578: 543:implemented an 537: 531: 488: 444: 418: 414: 413: 408: 404: 403: 394: 390: 389: 377: 373: 372: 363: 359: 358: 353: 349: 348: 333: 246: 241: 235: 222: 114: 106: 97: 93: 86: 75: 71: 64: 53: 52: 28: 23: 22: 15: 12: 11: 5: 1856: 1854: 1846: 1845: 1840: 1835: 1830: 1825: 1823:Flora of Idaho 1820: 1815: 1810: 1805: 1800: 1795: 1785: 1784: 1778: 1777: 1775: 1774: 1770:wfo-0000443274 1761: 1751: 1738: 1725: 1712: 1699: 1689: 1676: 1663: 1650: 1640: 1627: 1614: 1601: 1588: 1575: 1562: 1549: 1536: 1523: 1510: 1500: 1487: 1474: 1461: 1446: 1430: 1428: 1422: 1421: 1416: 1410: 1409: 1404: 1396: 1382: 1381:External links 1379: 1376: 1375: 1350: 1325: 1299: 1292: 1270: 1250: 1223:(3): 283–306. 1203: 1192:(4): 528–536. 1186:Forest Science 1169: 1138: 1113: 1088: 1063: 1056: 1029: 995: 960: 945: 888: 844: 817:(3): 283–306. 797: 770: 723: 722: 720: 717: 713: 712: 709: 702: 700: 697: 690: 688: 685: 678: 676: 673: 666: 663: 662: 658: 657: 656: 654: 651: 640:tamarack larch 594:Plateau Indian 590:Salish peoples 577: 574: 561:climate change 553:climate change 530: 527: 496:fire resistant 487: 484: 476:Blue Mountains 472:Central Oregon 448:Columbia River 443: 440: 332: 329: 323:, and western 265: 264: 257: 256: 248: 247: 242: 231: 230: 224: 223: 216: 214: 210: 209: 202: 198: 197: 192: 188: 187: 182: 178: 177: 172: 168: 167: 162: 158: 157: 152: 145: 144: 139: 132: 131: 126: 122: 121: 108: 107: 91: 88: 87: 69: 66: 65: 60: 57: 56: 46: 45: 37: 36: 35:Western larch 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1855: 1844: 1841: 1839: 1836: 1834: 1831: 1829: 1826: 1824: 1821: 1819: 1816: 1814: 1811: 1809: 1806: 1804: 1801: 1799: 1796: 1794: 1791: 1790: 1788: 1771: 1766: 1762: 1758: 1752: 1748: 1743: 1739: 1735: 1730: 1726: 1722: 1717: 1713: 1709: 1704: 1700: 1696: 1690: 1686: 1681: 1677: 1673: 1668: 1664: 1660: 1655: 1651: 1647: 1641: 1637: 1632: 1628: 1624: 1619: 1615: 1611: 1606: 1602: 1598: 1593: 1589: 1585: 1580: 1576: 1572: 1567: 1563: 1559: 1554: 1550: 1546: 1541: 1537: 1533: 1528: 1524: 1520: 1515: 1511: 1507: 1501: 1497: 1492: 1488: 1484: 1479: 1475: 1471: 1466: 1462: 1457: 1451: 1447: 1442: 1436: 1432: 1431: 1429: 1427: 1423: 1419: 1414: 1408: 1405: 1403: 1401: 1397: 1394: 1389: 1385: 1384: 1380: 1364: 1360: 1354: 1351: 1339: 1335: 1329: 1326: 1313: 1309: 1303: 1300: 1295: 1293:0-295-97119-3 1289: 1285: 1281: 1274: 1271: 1268: 1267:0-7748-0606-0 1264: 1260: 1254: 1251: 1246: 1242: 1238: 1234: 1230: 1226: 1222: 1218: 1214: 1207: 1204: 1199: 1195: 1191: 1187: 1180: 1173: 1170: 1157: 1153: 1149: 1142: 1139: 1127: 1123: 1117: 1114: 1102: 1098: 1092: 1089: 1077: 1073: 1067: 1064: 1059: 1057:0-394-73127-1 1053: 1049: 1045: 1044: 1036: 1034: 1030: 1025: 1021: 1017: 1013: 1006: 999: 996: 983: 979: 975: 969: 967: 965: 961: 956: 952: 948: 942: 938: 934: 933: 925: 923: 921: 919: 917: 915: 913: 911: 909: 907: 905: 903: 901: 899: 897: 895: 893: 889: 884: 880: 876: 872: 868: 864: 860: 853: 851: 849: 845: 840: 836: 832: 828: 824: 820: 816: 812: 808: 801: 798: 790:September 10, 785: 783: 774: 771: 758: 753: 749: 745: 744: 739: 737: 728: 725: 718: 706: 701: 694: 689: 682: 677: 670: 665: 659:Western larch 652: 650: 648: 643: 641: 637: 633: 629: 625: 621: 616: 614: 610: 607:The sweetish 605: 603: 599: 595: 591: 587: 584:and sap; the 583: 575: 573: 569: 566: 562: 556: 554: 550: 546: 542: 539:In 2010, the 536: 528: 526: 524: 520: 516: 513:but also the 512: 507: 505: 501: 497: 493: 485: 483: 481: 477: 473: 469: 468:Weiser, Idaho 465: 461: 457: 453: 452:Cascade Range 449: 441: 439: 437: 431: 429: 425: 401: 387: 382: 370: 346: 341: 338: 330: 328: 326: 322: 318: 314: 310: 309:United States 307:, and in the 306: 302: 298: 294: 290: 286: 285:North America 282: 278: 277: 272: 271:western larch 263: 258: 254: 249: 245: 240: 238: 232: 229: 228:Binomial name 225: 221: 220: 215: 212: 211: 208: 207: 203: 200: 199: 196: 193: 190: 189: 186: 183: 180: 179: 176: 173: 170: 169: 166: 163: 160: 159: 156: 153: 150: 147: 146: 143: 142:Tracheophytes 140: 137: 134: 133: 130: 127: 124: 123: 118: 113: 109: 103: 89: 83: 78: 77:Least Concern 67: 63: 58: 51: 47: 43: 38: 33: 30: 19: 18:Western Larch 1425: 1399: 1368:February 23, 1366:. Retrieved 1362: 1353: 1343:February 26, 1341:. Retrieved 1337: 1328: 1318:February 26, 1316:. Retrieved 1311: 1302: 1279: 1273: 1258: 1253: 1220: 1216: 1206: 1189: 1185: 1172: 1162:February 20, 1160:. Retrieved 1156:the original 1151: 1141: 1131:February 24, 1129:. Retrieved 1125: 1116: 1106:February 24, 1104:. Retrieved 1100: 1091: 1081:February 24, 1079:. Retrieved 1075: 1066: 1042: 1015: 1011: 998: 986:. Retrieved 982:the original 977: 931: 866: 862: 814: 810: 800: 788:. Retrieved 781: 773: 763:November 19, 761:. Retrieved 747: 741: 735: 727: 644: 617: 606: 598:tuberculosis 579: 570: 557: 538: 508: 489: 445: 442:Distribution 432: 383: 334: 275: 274: 270: 268: 261: 236: 234: 218: 217: 205: 155:Gymnospermae 148: 135: 29: 1708:kew-2493825 1618:NatureServe 1553:iNaturalist 1450:Wikispecies 988:February 3, 869:: 101–109. 710:Young cones 511:pine siskin 504:fuel ladder 331:Description 319:, northern 311:in eastern 102:NatureServe 1787:Categories 1703:Plant List 955:1141235469 719:References 602:laryngitis 533:See also: 422: in) 315:, eastern 313:Washington 161:Division: 1519:233500745 1245:154285038 1237:1381-2386 883:0264-8377 839:154285038 831:1381-2386 523:heart rot 384:The seed 337:deciduous 213:Species: 175:Pinopsida 165:Pinophyta 125:Kingdom: 1754:VASCAN: 1747:24900161 1742:Tropicos 1623:2.139937 1584:10199664 1571:262444-1 1435:Wikidata 632:firewood 609:galactan 460:Kamloops 400:exserted 195:Pinaceae 191:Family: 82:IUCN 3.1 1532:2686270 1483:1033612 1441:Q576585 653:Gallery 634:in the 586:Kutenai 582:cambium 515:redpoll 486:Ecology 480:Montana 417:⁄ 407:⁄ 393:⁄ 376:⁄ 362:⁄ 352:⁄ 340:conifer 325:Montana 305:Alberta 201:Genus: 185:Pinales 181:Order: 171:Class: 129:Plantae 100: ( 98:Secure 80: ( 1716:PLANTS 1672:994602 1659:234744 1643:NZOR: 1597:183417 1506:larocc 1503:FEIS: 1290:  1265:  1243:  1235:  1054:  1012:Fs-243 953:  943:  881:  837:  829:  628:pruned 517:, and 470:, and 369:leaves 317:Oregon 297:Canada 295:); in 1803:Larix 1692:PPE: 1610:42315 1579:IRMNG 1558:69849 1545:21504 1496:LAXOC 1470:6NYY5 1241:S2CID 1182:(PDF) 1008:(pdf) 835:S2CID 624:yacht 466:, to 428:seeds 424:bract 386:cones 321:Idaho 281:larch 244:Nutt. 206:Larix 149:Clade 136:Clade 1757:7168 1729:POWO 1721:LAOC 1680:PfaF 1636:3327 1631:NCBI 1605:IUCN 1592:ITIS 1566:IPNI 1540:GRIN 1527:GBIF 1491:EPPO 1370:2021 1345:2021 1320:2021 1288:ISBN 1263:ISBN 1233:ISSN 1164:2021 1133:2021 1108:2021 1083:2021 1052:ISBN 1024:USDA 1020:USFS 990:2022 951:OCLC 941:ISBN 879:ISSN 827:ISSN 792:2024 765:2021 748:2013 620:wood 618:The 600:and 588:and 576:Uses 345:buds 269:The 1765:WFO 1514:FNA 1478:EoL 1465:CoL 1225:doi 1194:doi 1048:363 1016:243 871:doi 819:doi 752:doi 412:to 357:to 1789:: 1767:: 1744:: 1731:: 1718:: 1705:: 1682:: 1669:: 1656:: 1633:: 1620:: 1607:: 1594:: 1581:: 1568:: 1555:: 1542:: 1529:: 1516:: 1493:: 1480:: 1467:: 1452:: 1437:: 1361:. 1336:. 1310:. 1282:. 1239:. 1231:. 1221:15 1219:. 1215:. 1190:65 1188:. 1184:. 1150:. 1124:. 1099:. 1074:. 1050:. 1032:^ 1014:. 1010:. 976:. 963:^ 949:. 891:^ 877:. 867:44 865:. 861:. 847:^ 833:. 825:. 815:15 813:. 809:. 746:. 740:. 649:. 604:. 462:, 438:. 419:16 409:16 364:32 354:32 291:, 151:: 138:: 1372:. 1347:. 1322:. 1296:. 1247:. 1227:: 1200:. 1196:: 1166:. 1135:. 1110:. 1085:. 1060:. 1026:. 992:. 957:. 885:. 873:: 841:. 821:: 794:. 784:" 780:" 767:. 754:: 738:" 734:" 415:5 405:3 395:4 391:3 378:4 374:3 360:3 350:1 287:( 273:( 104:) 84:) 20:)

Index

Western Larch
View of mature Western Larch in mid-summer with lush green foliage.
William O. Douglas Wilderness
Conservation status
Least Concern
IUCN 3.1
NatureServe
Scientific classification
Edit this classification
Plantae
Tracheophytes
Gymnospermae
Pinophyta
Pinopsida
Pinales
Pinaceae
Larix
Binomial name
Nutt.

larch
North America
Pacific Northwest
Inland Northwest
Canada
British Columbia
Alberta
United States
Washington
Oregon

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