Displaying 1 - 75 out of 144 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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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 alpinus L. var. alpinus | F. K. Butters 1322 | 12 Jun 1906 | Canada | Alberta | Old road, Banff | — | 01215287 |
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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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| Astragalus robbinsii var. minor (Hook.) Barneby | F. K. Butters 1384 | 11 Jun 1906 | Canada | Alberta | Banff. Candian Rocky Mountains | — | 01282386 |
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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 disperma Dewey | F. K. Butters 81 | 06 Jul 1907 | Canada | Alberta | Canadian Rocky Mountains. Hillsides, Banff. | — | 2263446 |
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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 rossii Boott | F. K. Butters 1 | 04 Jul 1907 | Canada | Alberta | Banff. | — | 2300537 |
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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 norvegica Retz. | F. K. Butters 82-1398 | 11 Jun 06 - 07 Jul 07 | Canada | Alberta | Banff. | — | 2309008 |
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| Carex viridula Michx. | F. K. Butters 1321 | 11 Jun 1906 | Canada | Alberta | Banff. Sulphur springs. | — | 2310063 |
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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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| Salix arctica var. petraea (Andersson) Bebb | F. K. Butters 202 | 21 Jul 1909 | Canada | Alberta | Laggan | — | 2404981 |
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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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| Equisetum pratense Ehrh. | F. K. Butters s.n. | 04 Jul 1907 | Canada | Alberta | Banff. Canadian Rocky Mountains | — | 3511705 |
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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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| Agrostis canina L. | F. K. Butters 689691 | 22 Jul 1911 | Canada | British Columbia | North M[orrain, Sir] Sandford El. | — | 1554528 |
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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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| Arnica latifolia Bong. | F. K. Butters 233 | 27 Jul 1907 | Canada | British Columbia | Selkirk Mountains; Grizzly Creek, Prairie… | — | 1881909 |
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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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| 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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| 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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| Kalmia microphylla (Hook.) A.Heller | F. K. Butters 1421 | 14 Jun 1906 | Canada | British Columbia | Yobo Valley. | — | 2533924 |
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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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| Betula papyrifera Marshall | F. K. Butters 731 | Aug 1912 | Canada | British Columbia | — | 2477039 |
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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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| Adiantum pedatum L. | F. K. Butters 487 | s.d. | Canada | British Columbia | Glacier | — | 3483775 |
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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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| 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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| Selaginella wallacei Hieron. | F. K. Butters s.n. | 15 Jul 1963 | Canada | British Columbia | Above gorge Little Qualicum Prov.… | — | 3506929 |
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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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| 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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| 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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| Thelypteris quelpaertensis (Christ) Ching | F. K. Butters 971 | 20 Sep 1917 | Canada | British Columbia | Glacier. | — | 3796125 |
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| Asplenium montanum Willd. | F. K. Butters 2030 | 24 Jan 1940 | United States of America | Connecticut | High Rock State Park | — | 3519120 |
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| Pellaea atropurpurea (L.) Link | F. K. Butters s.n. | 12 Jul 1966 | United States of America | Kentucky | Mammoth Cave National Park | — | 3495822 |
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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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| 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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| 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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| Oxytropis ixodes Butters & Abbe | F. K. Butters 611 | 27 Jun 1940 | United States of America | Minnesota | Cook Co. Slate cliffs on… | isotype | 5247 |
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| Oxytropis ixodes Butters & Abbe | F. K. Butters 611 | 27 Jun 1940 | United States of America | Minnesota | Cook Co. Slate cliffs on… | isotype | 5246 |
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| Juniperus horizontalis Moench | F. K. Butters 434 | 13 Jul 1937 | United States of America | Minnesota | Cook Co. About 0.5 miles… | — | 19556 |
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| Penstemon digitalis Nutt. ex Sims | F. K. Butters 10889 | 06 Jul 1939 | United States of America | Minnesota | Pine Co. Along Highway 61,… | — | 592015 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | F. K. Butters 37 | 07 Jul 1938 | United States of America | Minnesota | Cook Co. On top of… | — | 1555915 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | F. K. Butters 55 | 07 Jul 1938 | United States of America | Minnesota | Cook Co. Along base of… | — | 1555918 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | F. K. Butters 465 | 17 Jul 1932 | United States of America | Minnesota | Cook Co. S. of Clearwater… | — | 1556185 |
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| Bromus ciliatus L. | F. K. Butters 870 | 02 Aug 1944 | United States of America | Minnesota | Cook Co. on Lima Mt. | — | 1634365 |
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| Calamagrostis canadensis (Michx.) P.Beauv. | F. K. Butters 358 | 11 Jul 1937 | United States of America | Minnesota | Cook Co. South side of… | — | 1645879 |
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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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| Calamagrostis purpurascens R.Br. | F. K. Butters 108 | 11 Jul 1938 | United States of America | Minnesota | Cliff at west end of… | — | 1647167 |
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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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| Poa compressa L. | F. K. Butters 1036 | 13 Aug 1944 | United States of America | Minnesota | Cook Co. Ridge of Mt.… | — | 1789510 |
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| Poa compressa L. | F. K. Butters 976 | 09 Aug 1944 | United States of America | Minnesota | Cook Co. Roadside about 1… | — | 1789517 |
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| Poa glauca Vahl | F. K. Butters 1012 | 11 Aug 1944 | United States of America | Minnesota | Cook Co. North side of… | — | 1790643 |
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| Poa glauca Vahl | F. K. Butters 350 | 11 Jul 1937 | United States of America | Minnesota | Cook Co. Lucille Island. | — | 1790741 |
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| Poa glauca Vahl | F. K. Butters 1041 | 13 Aug 1944 | United States of America | Minnesota | Cook Co. Top of Mt.… | — | 1790836 |
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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 nemoralis L. | F. K. Butters 416 | 13 Jul 1932 | United States of America | Minnesota | Cook Co. S. side of… | — | 1791736 |
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| Poa nemoralis L. | F. K. Butters 670 | 01 Jul 1940 | United States of America | Minnesota | Cook Co. On west side… | — | 1791818 |
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| Poa nemoralis L. | F. K. Butters 199 | 30 Jun 1936 | United States of America | Minnesota | Top of Mt. Maud, east… | — | 1791819 |
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| Poa nemoralis L. | F. K. Butters 471 | 17 Jul 1932 | United States of America | Minnesota | Cook Co. S. of Clearwater… | — | 1791848 |
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| Poa palustris L. | F. K. Butters 915 | 04 Aug 1944 | United States of America | Minnesota | Cook Co. About 2 mi.… | — | 1792977 |
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| Antennaria howellii subsp. canadensis (Greene) R.J.Bayer | F. K. Butters 69 | June 20, 1936 | United States of America | Minnesota | Cook Co. Clearwater Lake. | — | 1890091 |
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| Antennaria howellii subsp. neodioica (Greene) R.J.Bayer | F. K. Butters 10811 | July 1, 1939 | United States of America | Minnesota | Cook Co. On North side… | — | 1890272 |
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| Antennaria howellii subsp. neodioica (Greene) R.J.Bayer | F. K. Butters 39 | July 7, 1938 | United States of America | Minnesota | Cook Co. Top of the… | — | 1890279 |
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| Erigeron strigosus var. septentrionalis (Fernald & Wiegand) Fernald | F. K. Butters 766 | 27 Jul 1944 | United States of America | Minnesota | Cook Co. along Gunflint Trail… | — | 2096190 |
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| Carex brunnescens (Pers.) Poir. | F. K. Butters 750 | 07 Jul 1940 | United States of America | Minnesota | Cook Co. Porcupine Island | — | 2252571 |
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