Displaying 1 - 25 out of 270 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Lactuca ludoviciana (Nutt.) Riddell | O. A. Stevens 3 | 15 Jun 1922 | United States of America | Kansas | Blue Rapids. | — |
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| Lactuca ludoviciana (Nutt.) Riddell | O. A. Stevens 6 | 15 Jun 1922 | United States of America | Kansas | Blue Rapids. | — |
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| Penstemon grandiflorus Nutt. | O. A. Stevens 446 | 19 Jun 1940 | United States of America | Minnesota | Clay Co. Muskoda | — |
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| Eragrostis spectabilis (Pursh) Steud. | O. A. Stevens 1048 | 12 Sep 1947 | United States of America | Minnesota | Clay Co. Buffalo State Park. | — |
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| Solidago ptarmicoides (Nees) B.Boivin | O. A. Stevens 2621 | 15 Aug 1962 | United States of America | Minnesota | Clay Co. South of Buffalo… | — |
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| Carex assiniboinensis W.Boott | O. A. Stevens 1-26468 | 15 Jun 1934 | United States of America | Minnesota | Moorhead. | — |
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| Carex obtusata Lilj. | O. A. Stevens 1052 | 17 Jun 1948 | United States of America | Minnesota | Clay Co. Muskoda | — |
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| Rumex stenophyllus Ledeb. | O. A. Stevens 1493 | 25 Jul 1954 | United States of America | Minnesota | Clay Co. Low ground near… | — |
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| Cornus rugosa Lam. | O. A. Stevens 1367 | 10 Aug 1952 | United States of America | Minnesota | Otter Tail Co. Pelican Lake | — |
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| Cornus alternifolia L.f. | O. A. Stevens 1368 | 10 Aug 1952 | United States of America | Minnesota | Otter Tail Co. Pelican Lake | — |
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| Alliaria petiolata (M.Bieb.) Cavara & Grande | O. A. Stevens 1943 | 20 Jun 1958 | United States of America | Minnesota | Clay Co. | — |
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| Solanum emulans Raf. | O. A. Stevens 1994 | 15 Aug 1958 | United States of America | Minnesota | Leech Lake, Squaw Point | — |
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| Erigeron compositus var. glabratus Macoun | O. A. Stevens 38-060 | 30 Jun 1938 | United States of America | Montana | Carbon Co. Cooke Highway above… | — |
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| Polygonum stevensii Brenckle | O. A. Stevens 38 34 | 29 Jun 1938 | United States of America | Montana | South of Forsythe | holotype |
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| Juniperus scopulorum var. columnaris Fassett | O. A. Stevens 509 | 16 May 1941 | United States of America | North Dakota | Slope Co. | — |
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| Carduus nutans L. | O. A. Stevens 1635 | 28 Jul 1956 | United States of America | North Dakota | McLean Co. Benedict | — |
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| Juniperus communis L. | O. A. Stevens 373 | 08 Jul 1938 | United States of America | North Dakota | Cavalier Co. | — |
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| Penstemon eriantherus Pursh | O. A. Stevens 354 | 11 Jun 1938 | United States of America | North Dakota | McKenzie Co. Side of butte… | — |
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| Lycoperdon perlatum Pers. | O. A. Stevens | 25 Sep 1921 | United States of America | North Dakota | Cass Co. | — | ||||
| Uromyces rudbeckiae Arthur & Holw. | O. A. Stevens | 22 Aug 1914 | United States of America | North Dakota | Near Fargo | — | ||||
| Bromus tectorum L. | O. A. Stevens s.n. | 08 Jul 1918 | United States of America | North Dakota | LaMoure Co. Independence | — |
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| Astragalus australis var. glabriusculus (Hook.) Isely | O. A. Stevens 811 | 17 Jun 1945 | United States of America | North Dakota | Morton Co. Rocky bank of… | — |
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| Dalea enneandra Nutt. | O. A. Stevens 1389 | 29 Aug 1952 | United States of America | North Dakota | Ft. Yates. Nearby norther limit.… | — |
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| Alopecurus pratensis L. | O. A. Stevens 767 | 17 Jun 1944 | United States of America | North Dakota | Turtle Mts., Metigoshe State Park. | — |
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| Bjerkandera | O. A. Stevens s.n. | 25 Sep 1921 | United States of America | North Dakota | Cass Co. Fargo | — |
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