Harvard University Herbaria & Libraries

Asteraceae
GH: 02172666 Centaurea stoebe micranthos (Gugler) Hayek USA: Minnesota [data not captured] F. K. Butters 1918
Athyriaceae
GH: 00678503 Athyrium filix-femina cyclosorum Ruprecht USA: Massachusetts Ipswich: Ipswich F. K. Butters 1916
Betulaceae
GH: 02193118 Betula papyrifera Marshall Canada: British Columbia [data not captured] F. K. Butters 731 1912-8
GH: 02194979 Betula papyrifera Marshall USA: Minnesota [data not captured] F. K. Butters 1918-9
GH: 02194977 Betula papyrifera Marshall USA: Minnesota [data not captured] F. K. Butters 1918-9
A: 02193001 Betula papyrifera Marshall USA: Minnesota [data not captured] F. K. Butters 6262 1930-8-19
Brassicaceae
GH: 01548133 Lepidium densiflorum Schrader USA: Minnesota [data not captured] F. K. Butters 4528 1924-7-2
Campanulaceae
GH: 01795577 Campanula lasiocarpa Chamisso Canada: British Columbia Eagle Mt, Glacier F. K. Butters 1909-8-18
Caprifoliaceae
GH: 02038371 Lonicera involucrata (Richardson) Banks ex Sprengel Canada: British Columbia Asulkan Valley near Glacier F. K. Butters 730 1912-8
Caryophyllaceae
GH: 01743123 Cerastium beeringianum Chamisso & Schlechtendal Canada: British Columbia Slopes of Mt. MacDonald near Glacier F. K. Butters 810 1913-8-1
Cupressaceae
GH: 02105162 Juniperus horizontalis Moench USA: Minnesota [data not captured] F. K. Butters 4001 1921-5-19
GH: 02107301 Thuja occidentalis Linnaeus USA: Minnesota [data not captured] F. K. Butters 6312 1930-8-26
GH: 02107405 Thuja plicata Donn ex D. Don Canada: British Columbia [data not captured] F. K. Butters 1912-8
Fabaceae
GH: 02049100 Astragalus miser serotinus (A. Gray ex J. G. Cooper) Barneby Canada: Alberta Banff: Roadsides F. K. Butters 12 1907-7-4
GH: 02345057 Vicia americana Muhlenberg ex Willdenow USA: Minnesota [data not captured] F. K. Butters [data not captured] 10797a 1939-7-1
Fagaceae
GH: 00567050 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Marlborough: Marlboro F. K. Butters 1919-7-9
GH: 00716044 Quercus rubra Linnaeus USA: Connecticut Hampton: Hampton F. K. Butters 1919-7-21
Hamamelidaceae
GH: 00649042 Hamamelis virginiana Linnaeus USA: Connecticut Hampton: Hampton F. K. Butters 1919-7-18
Juncaceae
GH: 02396415 Luzula acuminata Rafinesque USA: Minnesota [data not captured] F. K. Butters 4614 1924-7-4
Ranunculaceae
GH: 01838498 Ranunculus uncinatus parviflorus (Torrey) L. D. Benson Canada: British Columbia Glacier F. K. Butters 834 1913-8-20
Rosaceae
GH: 01609688 Geum macrophyllum Willdenow Canada: British Columbia Glacier F. K. Butters 35 1913-8-20
Saxifragaceae
GH: 01616544 Mitella trifida violacea (Rydberg) Rosendahl Canada: Alberta above Lake Louise F. K. Butters 914 1915-7-28
GH: 01616545 Mitella trifida violacea (Rydberg) Rosendahl Canada: Alberta 1/2 miles west of Lake Louise, Laggan F. K. Butters 914 1915-7-24