Betulaceae GH: 02196512 Alnus sp. USA: Michigan Along highway U.S. 31, 0.5 miles north of Ro... H. H. Bartlett [data not captured] 12 1952-6-19
GH: 02194368 Betula occidentalis Hooker USA: Montana Dupuyer Creek, 5.8 miles west of Valier H. H. Bartlett [data not captured] 432 1952-7-1
GH: 02194367 Betula occidentalis Hooker USA: Montana Birch Creek near bridge on highway U.S. 89, ... H. H. Bartlett [data not captured] 437 1952-7-1
GH: 02194366 Betula occidentalis Hooker USA: Montana 6.2 miles west of Kila along highway U.S.2 H. H. Bartlett [data not captured] 536 1952-7-4
GH: 02194365 Betula occidentalis Hooker USA: Montana Near Bench Mark Ranger Station, Middle Fork ... H. H. Bartlett [data not captured] 1121 1952-7-25
GH: 02194364 Betula occidentalis Hooker USA: Montana Between Indian Creek and Squaw Creek, 30 mil... H. H. Bartlett [data not captured] 1247 1952-7-28
GH: 02194363 Betula occidentalis Hooker USA: Montana Between Nimrod and Bearmouth, along highway ... H. H. Bartlett [data not captured] 1094 1952-7-23
GH: 02194362 Betula occidentalis Hooker USA: Montana Milk River, midway between Kiowa and St. Mar... H. H. Bartlett [data not captured] 493 1952-7-2
GH: 02194361 Betula occidentalis Hooker USA: Montana Rock Creek; 9.4 miles south of Red Lodge, al... H. H. Bartlett [data not captured] 1278 1952-7-29
GH: 02194511 Betula occidentalis Hooker USA: Wyoming Along Clear Creek, 3.4 miles northeast of Bu... H. H. Bartlett [data not captured] 1320 1952-7-30
GH: 02194538 Betula papyrifera Marshall Canada: Ontario Thunder Bay District: [data not captured] H. H. Bartlett [data not captured] 130 1952-6-23
GH: 02194926 Betula papyrifera Marshall USA: Idaho [data not captured] H. H. Bartlett [data not captured] 1009 1952-7-21
GH: 02194925 Betula papyrifera Marshall USA: Idaho [data not captured] H. H. Bartlett [data not captured] 1013 1952-7-21
GH: 02194971 Betula papyrifera Marshall USA: Michigan [data not captured] H. H. Bartlett [data not captured] 2 1952-6-19
GH: 02193030 Betula papyrifera Marshall USA: Montana [data not captured] H. H. Bartlett [data not captured] 523 1952-7-3
GH: 02194989 Betula papyrifera Marshall USA: Minnesota [data not captured] H. H. Bartlett [data not captured] 1420 1952-8-3
GH: 02193103 Betula papyrifera Marshall USA: South Dakota Vicinity of Mt. Rushmore H. H. Bartlett [data not captured] 1328 1952-7-31
GH: 02193165 Betula papyrifera Marshall USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 22 1952-6-20
GH: 02193164 Betula papyrifera Marshall USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 25 1952-6-20
GH: 02193163 Betula papyrifera Marshall USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 20 1952-6-20
GH: 02193363 Betula pendula Roth Canada: Ontario [data not captured] H. H. Bartlett [data not captured] 158 1952-6-24
GH: 02193351 Betula pendula Roth USA: Michigan [data not captured] H. H. Bartlett [data not captured] 1 1952-6-19
GH: 02193661 Betula pumila Linnaeus USA: Montana [data not captured] H. H. Bartlett 1195 1952-7-25
GH: 02193660 Betula pumila Linnaeus USA: Montana [data not captured] H. H. Bartlett [data not captured] 515 1952-7-3
GH: 02193659 Betula pumila Linnaeus USA: Montana [data not captured] H. H. Bartlett [data not captured] 541 1952-7-4
GH: 02193658 Betula pumila Linnaeus USA: Montana [data not captured] H. H. Bartlett [data not captured] 553 1952-7-4
GH: 02193654 Betula pumila Linnaeus USA: Minnesota [data not captured] H. H. Bartlett [data not captured] 256 1952-6-26
GH: 02193689 Betula pumila Linnaeus USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 115 1952-6-21
GH: 02193688 Betula pumila Linnaeus USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 53 1952-6-21
GH: 02193820 Betula sandbergii Britton USA: Michigan [data not captured] H. H. Bartlett [data not captured] 14 1952-6-19
GH: 02193849 Betula sandbergii Britton USA: Wisconsin [data not captured] H. H. Bartlett 57 1952-6-21
GH: 02193848 Betula sandbergii Britton USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 24 1952-6-20
GH: 02193847 Betula sandbergii Britton USA: Wisconsin [data not captured] H. H. Bartlett [data not captured] 59 1952-6-21
GH: 02193845 Betula sandbergii Britton USA: South Dakota Custer: 5.9 miles east, along highway U.S. 1... H. H. Bartlett [data not captured] 1321 1952-7-31
GH: 02193844 Betula sandbergii Britton USA: South Dakota Between Mt. Rushmore and Keystone H. H. Bartlett [data not captured] 1334 1952-7-31
GH: 02193843 Betula sandbergii Britton USA: South Dakota Custer: 5.9 miles east, along highway U.S. 1... H. H. Bartlett [data not captured] 1323 1952-7-31
GH: 02071018 Betula sp. USA: Washington [data not captured] H. H. Bartlett [data not captured] 692 1952-7-12
GH: 02193895 Betula utahensis Britton USA: Idaho [data not captured] H. H. Bartlett [data not captured] 1024 1952-7-22
GH: 02193894 Betula utahensis Britton USA: Idaho [data not captured] H. H. Bartlett [data not captured] 551 1952-7-4
GH: 02193918 Betula utahensis Britton USA: Montana [data not captured] H. H. Bartlett [data not captured] 533 1952-7-4
GH: 02193917 Betula utahensis Britton USA: Montana [data not captured] H. H. Bartlett [data not captured] 1091 1952-7-22
GH: 02193937 Betula utahensis Britton USA: Washington [data not captured] H. H. Bartlett [data not captured] 591 1952-7-5
GH: 02193932 Betula utahensis Britton USA: Oregon [data not captured] H. H. Bartlett [data not captured] 875 1952-7-18
