Displaying 1 - 75 out of 2344 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Antennaria howellii subsp. neodioica (Greene) R.J.Bayer | T. C. Porter 1 | may 15/99 | United States of America | Pennsylvania | Chestnutville; Easton | — | 1890237 |
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| Hypnum revolutum (Mitt.) Lindb. | T. C. Porter 2 | — | United States of America | Colorado | Park Co. Alma | — | 638197 | ||
| Acer saccharum Marshall | T. C. Porter 2 & 1 | Apr. 26/89 | United States of America | Pennsylvania | Northampton Co. | — | 2489014 |
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| Antennaria howellii subsp. petaloidea (Fernald) R.J.Bayer | T. C. Porter 3 | June 15/99 | United States of America | Pennsylvania | Northampton Co. Bangor. [Inferred county… | — | 1890479 |
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| Polypodium virginianum L. | T. C. Porter 3 | s.d. | United States of America | Pennsylvania | Easton | — | 3792999 |
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| Muhlenbergia microsperma (DC.) Kunth | T. C. Porter 3 | 12 Aug 1873 | United States of America | Colorado | El Paso Co. | — | 1725594 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | T. C. Porter 4 | 19 Jun 1866 - 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Swamp near Lancaster. | — | 2377389 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | T. C. Porter 4 | 19 Jun 1866 - 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Swamp near Lancaster. | — | 2377390 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | T. C. Porter 4 | 19 Jun 1866 - 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Swamp near Lancaster. | — | 2377396 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | T. C. Porter 4 | Jun. 19; Jul. 2, 1866 | United States of America | Pennsylvania | Lancaster Co. Swamp near Lancaster. | — | 2377573 |
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| Sphagnum warnstorfii Russow | T. C. Porter 4 | Jul 1873 | United States of America | Colorado | — | 279640 | |||
| Polypodium virginianum L. | T. C. Porter 7 | 1869 | United States of America | Pennsylvania | Easton | — | 3793000 |
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| Corydalis aurea Willd. | T. C. Porter 10 | 11 Aug 1871 | United States of America | Colorado | Near Georgetown | — | 3703423 |
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| Lepidium densiflorum Schrad. | T. C. Porter 10 | 1896 | United States of America | New Jersey | — | 3179958 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. Broad Mountain | — | 2394777 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. On Broad Mountain | — | 2394778 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. On Broad Mountain | — | 2394780 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. On Broad Mountain | — | 2394783 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. On Broad Mountain | — | 2394784 |
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| Juncus gymnocarpus Coville | T. C. Porter 15 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. On Broad Mountain | — | 2394785 |
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| Arenaria fendleri var. diffusa Porter | T. C. Porter 17 | 18 Jul 1872 | United States of America | Colorado | El Paso Co. | type | 342375 |
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| Symphyotrichum cordifolium (L.) G.L.Nesom | T. C. Porter 18 | s.d. | United States of America | Pennsylvania | Huntingdon Co. | — | 1850907 |
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| Juncus dudleyi Wiegand | T. C. Porter 20 | 19 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Near Lancaster. [Inferred… | — | 2382582 |
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| Juncus tenuis Willd. var. tenuis | T. C. Porter 20 | 19 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. In a swamp… | — | 2402396 |
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| Juncus tenuis Willd. var. tenuis | T. C. Porter 20 | 19 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. In a swamp… | — | 2402397 |
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| Juncus tenuis Willd. var. tenuis | T. C. Porter 20 | 19 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. In a swamp… | — | 2402402 |
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| Juncus secundus P.Beauv. ex Poir. | T. C. Porter 23 | 06 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Dry light soil. | — | 2401518 |
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| Juncus secundus P.Beauv. ex Poir. | T. C. Porter 23 | 06 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Dry light soil. | — | 2401520 |
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| Juncus secundus P.Beauv. ex Poir. | T. C. Porter 23 | 06 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Dry light soil. | — | 2401523 |
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| Juncus secundus P.Beauv. ex Poir. | T. C. Porter 23 | 06 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Dry light soil. | — | 2401524 |
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| Juncus tenuis Willd. var. tenuis | T. C. Porter 23 | 06 Jun 1866 | United States of America | Pennsylvania | Lancaster Co. Dry light soil. | — | 2402401 |
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| Juncus marginatus Rostk. | T. C. Porter 33 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | — | 2395623 |
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| Juncus marginatus Rostk. | T. C. Porter 33 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | — | 2395624 |
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| Juncus marginatus Rostk. | T. C. Porter 33 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | — | 2395678 |
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| Juncus marginatus Rostk. | T. C. Porter 33 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. l | — | 2395702 |
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| Viola hastata var. hastata | T. C. Porter 39 | May 1870 | United States of America | Pennsylvania | Blair Co. | — | 3566074 |
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| Adiantum pedatum L. | T. C. Porter 42 | 1874 | United States of America | Pennsylvania | Easton | — | 3483416 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397114 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397116 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397118 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397119 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397121 |
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| Juncus nodosus L. | T. C. Porter 70 | 02 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. Bogs near Lancaster. | — | 2397122 |
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| Juncus brevicaudatus (Engelm.) Fernald | T. C. Porter 78 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. Sphagnous swamps of… | — | 2379554 |
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| Juncus brevicaudatus (Engelm.) Fernald | T. C. Porter 78 | 24 Aug 1866 | United States of America | Pennsylvania | Schuylkill Co. Swamps of Broad… | — | 2379630 |
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| Juncus canadensis var. subcaudatus Engelm. | T. C. Porter 80 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | syntype | 247588 |
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| Juncus canadensis var. subcaudatus Engelm. | T. C. Porter 80 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | syntype | 247596 |
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| Juncus canadensis var. subcaudatus Engelm. | T. C. Porter 80 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | syntype | 247614 |
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| Juncus subcaudatus (Engelm.) Coville & S.F.Blake | T. C. Porter 80 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | — | 2401678 |
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| Juncus interior Wiegand x J. tenuis Willd. | T. C. Porter 80 | 31 Jul 1866 | United States of America | Pennsylvania | Lancaster Co. | — | 2403607 |
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| Astragalus sparsiflorus A.Gray var. sparsiflorus | T. C. Porter 107 | 1875 | United States of America | Colorado | — | 01283016 |
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| Asplenium montanum Willd. | T. C. Porter 133 | 01 Sep 1872 | United States of America | Pennsylvania | Near Bethlehem | — | 3519123 |
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| Carex chalciolepis Holm | T. C. Porter 141 | Aug 1885 | United States of America | Pennsylvania | Northampton Co. Gray's Peak. | — | 2255049 |
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| Athyrium thelypterioides (Michx.) Desv. | T. C. Porter 143 | Sep 1874 | United States of America | Pennsylvania | Easton | — | 3798303 |
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| Asplenium ruta-muraria L. | T. C. Porter 148 | 1874 | United States of America | Pennsylvania | Easton | — | 3522793 |
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| Hypnum pratense Koch ex Spruce | T. C. Porter 161 | 16 Aug 1873 | United States of America | Colorado | Rock Creek Cañon | — | 637798 | ||
| Thelypteris palustris (A.Gray) Schott | T. C. Porter 182 | Sep 1876 | United States of America | Pennsylvania | Bucks Co. Nockamixon Rocks | — | 3795577 |
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| Erigeron annuus (L.) Pers. | T. C. Porter 189 | s.d. | United States of America | — | without locality | — | 2076954 |
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| Dryopteris goldiana (Hook.) A.Gray | T. C. Porter 189 | Sep 1874 | United States of America | Pennsylvania | Northampton Co. | — | 3551390 |
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| Dryopteris fragrans (L.) Schott | T. C. Porter 196 | Sep 1871 | United States of America | Maine | Mt. Kisco, Moosehead Lake. | — | 3551287 |
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| Carex foenea Willd. | T. C. Porter 197 | 24 Jun 97 | United States of America | Pennsylvania | Northampton Co. College Hill | — | 2276574 |
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| Cystopteris bulbifera (L.) Bernh. | T. C. Porter 215 | 1874 | United States of America | Pennsylvania | College Hill. Easton | — | 3799232 |
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| Woodsia ilvensis (L.) R.Br. | T. C. Porter 223 | Jul 1872 | United States of America | Pennsylvania | The Delaware below Easton | — | 3810248 |
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| Elymus virginicus L. | T. C. Porter 275 | 29 Aug 1892 | United States of America | Pennsylvania | Northampton Co. On the Delaware,… | — | 1678942 |
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| Lycopodium clavatum L. | T. C. Porter 323 | s.d. | United States of America | Pennsylvania | Mnts. of Penn. | — | 3329563 |
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| Isoetes engelmannii A.Braun | T. C. Porter 352 | 1890's | United States of America | Pennsylvania | Delaware Water Gap | — | 3507710 |
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| Bryoandersonia illecebra (Hedw.) H.Rob. | T. C. Porter 369 | Jun 1916 | United States of America | Pennsylvania | Lancaster Co. | — | 776741 | ||
| Potamogeton pectinatus L. | T. C. Porter 437 | 06 Aug 1873 | United States of America | Wyoming | Fort Bridger. Wyoming Territory | — | 3715248 |
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| Calamagrostis porteri A.Gray | T. C. Porter 440 | Aug 1882 | United States of America | Pennsylvania | Huntingdon Co. | — | 1647133 |
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| Juncus torreyi Coville | T. C. Porter 450 | 1872 | United States of America | — | Cañon City, Col. Ter. | — | 2402958 |
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| Mnesithea rugosa (Nutt.) de Koning & Sosef | T. C. Porter 515 | 1867 | United States of America | Delaware | Felton. | — | 1739997 |
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| Packera fendleri (A.Gray) W.A.Weber & Á.Löve | T. C. Porter 546 | 1873 | United States of America | Colorado | Brandegee | — | 3116530 |
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| Schizachyrium scoparium (Michx.) Nash | T. C. Porter 550 | s.d. | United States of America | Pennsylvania | Philadelphia Co. | — | 1813585 |
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| Andropogon virginicus L. | T. C. Porter 552 | 21 Sep 1875 | United States of America | Pennsylvania | Clarion Co. Near Easton. [Inferred… | — | 1640167 |
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| Paspalum setaceum var. muhlenbergii (Nash) D.J.Banks | T. C. Porter 582 | 14 Sep 1869 | United States of America | Pennsylvania | Northampton Co. | — | 1762055 |
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