Displaying 1 - 75 out of 144 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Diphasiastrum alpinum (L.) Holub | F. K. Butters a43 | 06 Sep 1905 | Canada | British Columbia | Yoho Valley | — | 3148162 |
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| Astragalus robbinsii var. minor (Hook.) Barneby | F. K. Butters 1384 | 11 Jun 1906 | Canada | Alberta | Banff. Candian Rocky Mountains | — | 01282386 |
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| Carex viridula Michx. | F. K. Butters 1321 | 11 Jun 1906 | Canada | Alberta | Banff. Sulphur springs. | — | 2310063 |
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| Astragalus alpinus L. var. alpinus | F. K. Butters 1322 | 12 Jun 1906 | Canada | Alberta | Old road, Banff | — | 01215287 |
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| Kalmia microphylla (Hook.) A.Heller | F. K. Butters 1421 | 14 Jun 1906 | Canada | British Columbia | Yobo Valley. | — | 2533924 |
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| Adiantum aleuticum (Rupr.) C.A.Paris | F. K. Butters a33474 | Aug 1906 - 08 Aug 1909 | Canada | British Columbia | Moraine of Dawson Glacier. Selkirk… | — | 3482857 |
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| Penstemon confertus Douglas ex Lindl. | F. K. Butters 10 | 04 Jul 1907 | Canada | Alberta | Banff. Canadian Rocky Mountains | — | 584573 |
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| Astragalus australis (L.) Lam. | F. K. Butters 15 | 04 Jul 1907 | Canada | Alberta | Banff | — | 01244478 |
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| Astragalus miser var. serotinus (A.Gray ex Cooper) Barneby | F. K. Butters 12 | 04 Jul 1907 | Canada | Alberta | Banff | — | 01261862 |
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| Carex rossii Boott | F. K. Butters 1 | 04 Jul 1907 | Canada | Alberta | Banff. | — | 2300537 |
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| Equisetum pratense Ehrh. | F. K. Butters s.n. | 04 Jul 1907 | Canada | Alberta | Banff. Canadian Rocky Mountains | — | 3511705 |
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| Erigeron compositus var. glabratus Macoun | F. K. Butters 32 | 05 Jul 1907 | Canada | Alberta | Banff; Devil's Lake | — | 2078828 |
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| Carex saltuensis L.H.Bailey | F. K. Butters 64 | 05 Jul 1907 | Canada | Alberta | Banff. Devil's Lake | — | 2301579 |
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| Carex capillaris L. | F. K. Butters 48 | 06 Jul 1907 | Canada | — | Devil's Lake, Banff Alta. | — | 2254016 |
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| Carex disperma Dewey | F. K. Butters 81 | 06 Jul 1907 | Canada | Alberta | Canadian Rocky Mountains. Hillsides, Banff. | — | 2263446 |
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| Mitella breweri f. denticulata Rosend. | F. K. Butters 142 | 15 Jul 1907 | Canada | — | Canadian Rocky Mountains; Prospector's Valley | isotype | 186113 |
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| Carex nardina (Hornem.) Fr. | F. K. Butters 140 | 15 Jul 1907 | Canada | Alberta | Paradise Valley, Laggan | — | 2292741 |
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| Carex leptalea Wahlenb. | F. K. Butters 179 | 20 Jul 1907 | Canada | — | Lake Louise Laygan Alata. | — | 2286958 |
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| Juncus triglumis var. albescens Lange | F. K. Butters 175 | 20 Jul 1907 | Canada | Alberta | Lake Louise. Laggan | — | 2403219 |
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| Erigeron acris var. debilis A.Gray | F. K. Butters 183 | 21 Jul 1907 | Canada | Alberta | Lake Louise, Laggan | — | 2076701 |
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| Erigeron acris var. debilis A.Gray | F. K. Butters 183 | 21 Jul 1907 | Canada | Alberta | Lake Louise, Laggan | — | 2076812 |
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| Carex gynocrates Wormsk. | F. K. Butters 249 | 26 Jul 1907 | Canada | British Columbia | Grizzly Creek, Prairies Hills | — | 2279225 |
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| Juncus triglumis var. albescens Lange | F. K. Butters 236 | 26 Jul 1907 | Canada | British Columbia | Grizzly Peak, Prairie Hills | — | 2403242 |
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| Arnica latifolia Bong. | F. K. Butters 233 | 27 Jul 1907 | Canada | British Columbia | Selkirk Mountains; Grizzly Creek, Prairie… | — | 1881909 |
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| Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev | F. K. Butters 312 | 04 Sep 1907 | Canada | — | Banff, [Atla]. | — | 1597314 |
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| Calamagrostis canadensis (Michx.) P.Beauv. | F. K. Butters 389 | 23 Jul 1908 | Canada | British Columbia | Glacier | — | 1645515 |
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| Alnus viridis subsp. sinuata (Regel) Á.Löve & D.Löve | F. K. Butters 428 | 26 Jul 1908 | Canada | British Columbia | Selkirk Mountains. | — | 2475040 |
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| Thelypteris phegopteris (L.) Sloss. | F. K. Butters 418 | 26 Jul 1908 | Canada | British Columbia | Avalanche Mt., Glacier [National Park],… | — | 3796040 |
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| Thelypteris quelpaertensis (Christ) Ching | F. K. Butters 432 | 26 Jul 1908 | Canada | British Columbia | Serpentine ledges, Glacier. Selkirk Mountains. | — | 3796126 |
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| Salix arctica var. petraea (Andersson) Bebb | F. K. Butters 202 | 21 Jul 1909 | Canada | Alberta | Laggan | — | 2404981 |
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| Carex nigricans C.A.Mey. | F. K. Butters 477 | 17 Aug 1909 | Canada | British Columbia | Columbia-Shuswap Reg. Distr. Kootenay. Glacier… | — | 2293008 |
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| Adiantum pedatum L. | F. K. Butters 487 | s.d. | Canada | British Columbia | Glacier | — | 3483775 |
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| Juniperus scopulorum Sarg. | F. K. Butters 501 | 01 Jul 1910 | Canada | British Columbia | Golden | — | 20752 |
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| Juniperus scopulorum Sarg. | F. K. Butters 500 | 01 Jul 1910 | Canada | British Columbia | Golden | — | 20758 |
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| Salix arctica var. petraea (Andersson) Bebb | F. K. Butters 521 | 11 Jul 1910 | Canada | British Columbia | Landford Morain | — | 2404986 |
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| Salix vestita var. erecta Andersson | F. K. Butters 519 | 18 Jul 1910 | Canada | British Columbia | South morain Sir Sandford Gl. | — | 2427587 |
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| Calamagrostis canadensis (Michx.) P.Beauv. | F. K. Butters 593 | 01 Aug 1910 | United States of America | Minnesota | Cougar Valley. | — | 1645882 |
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| Dryopteris filix-mas (L.) Schott | F. K. Butters 612 | Aug 1910 | Canada | British Columbia | Slopes above Snow Sheds Glacier… | — | 3551154 |
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| Agrostis canina L. | F. K. Butters 689691 | 22 Jul 1911 | Canada | British Columbia | North M[orrain, Sir] Sandford El. | — | 1554528 |
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| Betula papyrifera Marshall | F. K. Butters 731 | Aug 1912 | Canada | British Columbia | — | 2477039 |
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| Selaginella selaginoides (L.) P.Beauv. ex Mart. & Schrank | F. K. Butters s.n. | 18 Aug 1914 | Canada | British Columbia | Selkirk Mts. | — | 3506686 |
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| Selaginella selaginoides (L.) P.Beauv. ex Mart. & Schrank | F. K. Butters s.n. | 18 Aug 1914 | Canada | British Columbia | Meadows near head of Beaver… | — | 3506729 |
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| Betula glandulifera (Regel) B.T.Butler | F. K. Butters 2857 | 11 Jun 1915 | United States of America | Minnesota | Anoka Co. Moist depression in… | — | 2475755 |
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| Betula nigra L. x B. papyrifera Marshall | F. K. Butters 334 | 11 Jul 1916 | United States of America | New York | near New Albion | — | 02476609 |
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| Thelypteris quelpaertensis (Christ) Ching | F. K. Butters 971 | 20 Sep 1917 | Canada | British Columbia | Glacier. | — | 3796125 |
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| Fraxinus pennsylvanica var. campestris (Britton) F.C.Gates | F. K. Butters 3552 | 07 Jul 1918 | United States of America | Minnesota | Forest along shore of Miller… | — | 2501062 |
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| Picea mariana (Mill.) Britton, Sterns & Poggenb. | F. K. Butters s.n. | Sep 1918 | United States of America | Minnesota | Saint Louis Co. Burntside Lake,… | — | 30325 |
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| Alnus viridis subsp. crispa (Aiton) Turrill | F. K. Butters s.n. | 09 Sep 1918 | United States of America | Minnesota | Saint Louis Co. Rocky island,… | — | 2473166 |
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| Centaurea maculosa Lam. | F. K. Butters s.n. | 03 Oct 1918 | United States of America | Minnesota | Dakota Co. Pilot Mound | — | 581120 |
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| Acer spicatum Lam. | F. K. Butters s.n. | 31 May 1920 | United States of America | Minnesota | Wabasha Co. Bluffs of Mississippi,… | — | 2490398 |
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| Dryopteris spinulosa Watt | F. K. Butters 3961 | 01 Jul 1920 | United States of America | Minnesota | Houston Co. Woods on the… | — | 3552943 |
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| Myriopteris gracilis Fée | F. K. Butters 3978 | 19 Jul 1920 | United States of America | Minnesota | Houston Co. Jefferson Twp. | — | 3493799 |
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| Athyrium filix-femina subsp. angustum R.T.Clausen | F. K. Butters 3982 | 20 Jul 1920 | United States of America | Minnesota | Houston Co. Mayville Twp. | — | 3797551 |
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| Phegopteris connectilis (Michx.) Watt | F. K. Butters 927 | 08 Sep 1920 | Canada | British Columbia | Glacier. Avalanche Crest | — | 3376753 |
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| Dryopteris filix-mas (L.) Schott | F. K. Butters 932 | 08 Sep 1920 | Canada | British Columbia | Glacier. Base of Avalanche Crest. | — | 3551151 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | F. K. Butters 4083 | 14 Jun 1921 | United States of America | Minnesota | Otter Tail Co. Lake shores,… | — | 2377342 |
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| Selaginella rupestris (L.) Spring | F. K. Butters 4278 | 31 May 1922 | United States of America | Minnesota | Houston Co. 3-4 miles west… | — | 3506487 |
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| Poa interior Rydb. | F. K. Butters 4505 | 29 Jun 1924 | United States of America | Minnesota | Cook Co. On shingle beach,… | — | 1791167 |
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| Poa pratensis L. | F. K. Butters 4505 | 29 Jun 1924 | — | — | North Shore, Lake Superior. On… | — | 1793737 |
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| Alnus viridis subsp. crispa (Aiton) Turrill | F. K. Butters 4486 | 30 Jun 1924 | United States of America | Minnesota | Near mouth of Carribean River… | — | 2473165 |
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| Glyceria striata (Lam.) Hitchc. | F. K. Butters 4517 | 01 Jul 1924 | United States of America | Minnesota | Cook Co. Carribean River. | — | 1725653 |
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| Carex leptalea Wahlenb. | F. K. Butters 4557 | 03 Jul 1924 | United States of America | Minnesota | Cook Co. Pidgeon River. | — | 2287181 |
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| Carex canescens L. | F. K. Butters 4659 | 07 Jul 1924 | United States of America | Minnesota | Grand Marais. | — | 2253449 |
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| Carex norvegica Retz. | F. K. Butters 4645 | 07 Jul 1924 | United States of America | Minnesota | Cook Co. | — | 2308952 |
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| Diphasiastrum complanatum (L.) Holub | F. K. Butters 454 | 06 Jul 1932 | United States of America | Minnesota | Cook Co. Hillside north of… | — | 3504681 |
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| Taxus canadensis Marshall | F. K. Butters 336 | 07 Jul 1932 | United States of America | Minnesota | Cook Co. McFarland Lake | — | 312716 |
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| Carex lanuginosa Michx. | F. K. Butters 328 | 07 Jul 1932 | United States of America | Minnesota | Cook Co. 30 mi. from… | — | 2194291 |
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| Thelypteris phegopteris (L.) Sloss. | F. K. Butters 343 | 07 Jul 1932 | United States of America | Minnesota | Cook Co. 7 miles southeast… | — | 3796029 |
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| Woodsia ilvensis (L.) R.Br. | F. K. Butters 330 | 07 Jul 1932 | United States of America | Minnesota | Cook Co. McFarland Lake | — | 3810313 |
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| Spinulum annotinum (L.) A.Haines | F. K. Butters 350 | 08 Jul 1932 | United States of America | Minnesota | Cook Co. Near copper mine.… | — | 3329950 |
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| Cryptogramma stelleri (S.G.Gmel.) Prantl | F. K. Butters 364 | 08 Jul 1932 | United States of America | Minnesota | Cook Co. Cliff north of… | — | 3485115 |
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| Fraxinus pennsylvanica var. austinii Fernald | F. K. Butters 372 | 09 Jul 1932 | United States of America | Minnesota | Cook Co. W. end of… | — | 2500928 |
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| Osmunda regalis L. | F. K. Butters 394 | 10 Jul 1932 | United States of America | Minnesota | Cook Co. Edge of Cross… | — | 3553771 |
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| Carex intumescens Rudge | F. K. Butters 390 | 10 Jul 1932 | United States of America | Minnesota | Cook Co. Bank of Cross… | — | 2192548 |
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| Poa nemoralis L. | F. K. Butters 416 | 13 Jul 1932 | United States of America | Minnesota | Cook Co. S. side of… | — | 1791736 |
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