Displaying 1 - 19 out of 19 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Cornus drummondii C.A.Mey. | R. A. Davidson 155 | 06 Jul 1953 | United States of America | Iowa | Louisa Co. bordering Lake Keevers | — |
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| Carex vulpinoidea Michx. | R. A. Davidson 168 | 06 Jul 1953 | United States of America | Iowa | Louisa Co. Bordering Keevers Lake | — |
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| Salix exigua subsp. interior (Rowlee) Cronquist | R. A. Davidson 233 | 09 Jul 1953 | United States of America | Iowa | Keokuk Co. Bottomland bordering South… | — |
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| Ostrya virginiana (Mill.) K.Koch | R. A. Davidson 351 | 11 Jul 1953 | United States of America | Iowa | Van Buren Co. app. 1… | — |
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| Polystichum acrostichoides (Michx.) Schott | R. A. Davidson 576 | 24 Jul 1953 | United States of America | Iowa | Lee Co. Approximately 1/2 mi.… | — |
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| Populus alba L. | R. A. Davidson 619 | 25 Jul 1953 | United States of America | Iowa | — |
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| Cystopteris bulbifera (L.) Bernh. | R. A. Davidson 772 | 21 May 1953 | United States of America | Iowa | Des Moines Co. On wooded… | — |
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| Carex tribuloides var. tribuloides | R. A. Davidson 993 | 06 Jul 1953 | United States of America | Iowa | Louisa Co. Bordering Keevers Lake | — |
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| Salix discolor Muhl. | R. A. Davidson 1438 | 07 Apr 1953 | United States of America | Iowa | Lee Co. Along creek, app.… | — |
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| Salix nigra Marshall | R. A. Davidson 1901 | 13 May 1954 | United States of America | Iowa | Mahaska Co. Near main entrance… | — |
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| Carex scoparia Schkuhr ex Willd. | R. A. Davidson 2184 | 11 Jun 1954 | United States of America | Iowa | Des Moines Co. Near Spring… | — |
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| Carex cephalophora Muhl. ex Willd. | R. A. Davidson 2408 | 29 Jun 1954 | United States of America | Iowa | Henry Co. Geode State Park | — |
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| Salix humilis Marshall | R. A. Davidson 2678 | 15 Jul 1954 | United States of America | Iowa | Louisa Co. Prairie remnant, app.… | — |
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| Carex lupulina Muhl. ex Willd. | R. A. Davidson 2732 | 19 Jul 1954 | United States of America | Iowa | Louisa Co. | — |
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| Carex squarrosa L. | R. A. Davidson 3088 | 28 Jul 1954 | United States of America | Iowa | Jefferson Co. "Fulton's Bottoms", app.… | — |
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| Kuhnia eupatorioides L. | R. A. Davidson 3219 | 16 Aug 1954 | United States of America | Iowa | Louisa Co. | — |
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| Carex typhina Michx. | R. A. Davidson 3654 | 31 Aug 1954 | United States of America | Iowa | Des Moines Co. Near Mississippi… | — |
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| Solidago ulmifolia Muhl. & Cronquist var. ulmifolia | R. A. Davidson 3911 | 16 Sep 1954 | United States of America | Iowa | Van Buren Co. App. 1… | — |
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| Solidago rigida var. rigida | R. A. Davidson 3969 | 24 Sep 1954 | United States of America | Iowa | Louisa Co. Pasture along road… | — |
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