Displaying 1 - 25 out of 1166 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Rosa woodsii var. ultramontana (S.Watson) Jeps. | C. L. Porter 7113 | 07 Jul 1856 | United States of America | Wyoming | Albany Co. Laramie Range, Pole… | — |
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| Cytospora sambucina Tehon & E.Y.Daniels | C. L. Porter Illinois Fungi Plant Disease Sur. State Nat. Hist. Sur. Acc. No.7426 | 26 Aug 1922 | United States of America | Illinois | Ogle Co. | type |
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| Penstemon laricifolius var. exilifolius (A.Nelson) Payson | C. L. Porter 1102 | 13 Jul 1932 | United States of America | Wyoming | Albany Co. Hills east of… | — |
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| Geum macrophyllum Willd. | C. L. Porter 1105 | 23 Jul 1932 | United States of America | Wyoming | Albany Co. Veedawoo Glen. Laramie… | — |
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| Erigeron compositus var. compositus | C. L. Porter 1299 | 08 Jun 1933 | United States of America | Wyoming | Albany Co. Happy Jack Canyon,… | — |
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| Penstemon angustifolius Nutt. ex Pursh var. angustifolius | C. L. Porter 1310 | 14 Jun 1933 | United States of America | Wyoming | Albany Co. Near the campus,… | — |
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| Senecio hookeri Torr. & A.Gray | C. L. Porter s.n. | 24 Jun 1933 | United States of America | Wyoming | Happy Jack Canyon, Laramie Mts. | — |
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| Penstemon strictus Benth. subsp. strictus | C. L. Porter 1332 | 02 Jul 1933 | United States of America | Wyoming | Albany Co. Telephone Canyon, Laramie… | — |
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| Castilleja rhexifolia Rydb. | C. L. Porter 1341 | 11 Jul 1933 | United States of America | Wyoming | Carbon Co. hillsides between Sandstone… | — |
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| Pedicularis groenlandica Retz. | C. L. Porter 1347 | 11 Jul 1933 | United States of America | Wyoming | Carbon Co. Medicine Bow Mts.,… | — |
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| Antennaria rosea Greene | C. L. Porter 1361 | 14 Jul 1933 | United States of America | Wyoming | Carbon Co. Between Sandstone and… | — |
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| Penstemon glaber var. alpinus (Torr.) A.Gray | C. L. Porter 1471 | 14 Jun 1934 | United States of America | Wyoming | Albany Co. Pole Mountain region,… | — |
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| Penstemon eriantherus Pursh | C. L. Porter 1473 | 18 Jun 1934 | United States of America | Wyoming | Albany Co. Lower part of… | — |
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| Pinus albicaulis Engelm. | C. L. Porter 1136 | 15 Aug 1934 | United States of America | Wyoming | 19 miles west of Lander | — |
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| Penstemon crandallii A.Nelson var. crandallii | C. L. Porter 2024 | 24 Jun 1935 | United States of America | Colorado | Archuleta Co. Near Chromo | — |
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| Penstemon teucrioides Greene | C. L. Porter 2041 | 27 Jun 1935 | United States of America | Colorado | Monarch Pass, west of Salida,… | — |
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| Penstemon caespitosus Nutt. ex A.Gray var. caespitosus | C. L. Porter 2046 | 28 Jun 1935 | United States of America | Colorado | Grand Co. Near Kremmling | — |
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| Penstemon angustifolius Nutt. ex Pursh var. angustifolius | C. L. Porter 2298 | 12 Jun 1937 | United States of America | Wyoming | Albany Co. Sandy plains west… | — |
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| Penstemon virens Pennell ex Rydb. | C. L. Porter 2314 | 17 Jun 1937 | United States of America | Wyoming | Albany Co. 4 miles east… | — |
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| Penstemon eriantherus Pursh | C. L. Porter 2316 | 17 Jun 1937 | United States of America | Wyoming | Albany Co. Near the entrance… | — |
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| Penstemon eatonii A.Gray var. eatonii | C. L. Porter 1800 | 09 Jun 1939 | United States of America | Utah | San Juan Co. Abajo Mountains,… | — |
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| Penstemon lentus subsp. albiflorus D.D.Keck | C. L. Porter 1801 | 09 Jun 1939 | United States of America | Utah | San Juan Co. Abajo Mountains,… | isotype |
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| Astragalus shortianus Nutt. ex Torr. & A.Gray | C. L. Porter 2678 | 07 Jun 1940 | United States of America | Wyoming | Albany Co. Pole Mountain region | — |
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| Astragalus shortianus Nutt. ex Torr. & A.Gray | C. L. Porter 2802 | 01 Jul 1940 | United States of America | Wyoming | Albany Co. Pole Mountain region | — |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | C. L. Porter 2795 | 02 Jul 1940 | United States of America | Wyoming | Albany Co. Near Centennial | — |
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