Displaying 1 - 75 out of 798 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Trapa natans L. | C. L. Pollard 727 | 02 Oct 1875 | United States of America | District of Columbia | Ponds of U. S. [Fish… | — | 02376842 |
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| Oenothera laciniata Hill subsp. laciniata | C. L. Pollard 810 | 24 May 1876 | United States of America | Maryland | Prince George's Co. | — | 3359543 |
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| Matelea obliqua (Jacq.) Woodson | C. L. Pollard s.n. | 14 Jun 1888 | United States of America | District of Columbia | Washington D.C. | — | 3536790 |
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| Persea americana Mill. var. americana | C. L. Pollard 162 | 26 Mar 1893 - 29 Mar 1893 | United States of America | Florida | Monroe Co. Newport | — | 2511485 |
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| Carex bebbii (L.H.Bailey) Olney ex Fernald | C. L. Pollard s.n. | 07 Jun 1894 | United States of America | Connecticut | Fairfield Co. Moist meadow. Vicinity… | — | 2250706 |
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| Rhynchostegium serrulatum (Hedw.) A.Jaeger | C. L. Pollard 106 | 21 Aug 1894 | United States of America | West Virginia | Fayette Co. | — | 900548 | ||
| Ricasolia quercizans (Michx.) Stizenb. | C. L. Pollard 167 | 24 Aug 1894 | United States of America | Virginia | Giles Co. Salt Pond Mountain,… | — | 1489351 |
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| Poa cuspidata Nutt. | C. L. Pollard 56 | 16 Apr 1895 | United States of America | Maryland | Glen Echo | — | 1790588 |
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| Melica mutica Walter | C. L. Pollard 83 | 24 Apr 1895 | United States of America | Maryland | Montgomery Co. | — | 1739665 |
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| Ranunculus hispidus Michx. var. hispidus | C. L. Pollard 82 | 24 Apr 1895 | United States of America | Maryland | Montgomery Co. | — | 2788283 |
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| Arabidopsis thaliana (L.) Heynh. | C. L. Pollard 128 | 04 May 1895 | United States of America | District of Columbia | Zoological Park | — | 1365366 | ||
| Dichanthelium commutatum (Schult.) Gould | C. L. Pollard 180 | 11 May 1895 | United States of America | Virginia | Fairfax Co. Four Mile Run | — | 1710475 |
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| Poa sylvestris A.Gray | C. L. Pollard 189 | 12 May 1895 | United States of America | New York | Bronx Co. High Island. [Inferred… | — | 1810361 |
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| Melica mutica Walter | C. L. Pollard 201 | 12 May 1895 | United States of America | District of Columbia | High Island | — | 1739664 |
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| Poa pratensis L. | C. L. Pollard 227 | 18 May 1895 | United States of America | District of Columbia | Near Terra Cotta Station. District… | — | 1793525 |
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| Anthoxanthum odoratum L. | C. L. Pollard 270 | 23 May 1895 | United States of America | District of Columbia | — | 1646726 |
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| Sanicula gregaria E.P.Bicknell | C. L. Pollard 280 | 26 May 1895 | United States of America | District of Columbia | Pierce's Mill Road | — | 3509024 |
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| Arenaria serpyllifolia L. | C. L. Pollard 284 | 29 May 1895 | United States of America | Maryland | Montgomery Co. | — | 3160531 |
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| Bromus hordeaceus L. | C. L. Pollard 303 | 02 Jun 1895 | United States of America | Maryland | Marshall Hall | — | 1635922 |
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| Glyceria striata (Lam.) Hitchc. | C. L. Pollard 299 | 02 Jun 1895 | United States of America | Maryland | Marshall Hall | — | 1724260 |
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| Ranunculus sceleratus L. | C. L. Pollard 300 | 02 Jun 1895 | United States of America | Maryland | Charles Co. Marshall Hall | — | 2791467 |
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| Physocarpus opulifolius (L.) Maxim. | C. L. Pollard 318 | 03 Jun 1895 | United States of America | District of Columbia | High Island | — | 2827828 |
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| Elymus repens (L.) Gould | C. L. Pollard 333 | 06 Jun 1895 | United States of America | Virginia | Four Mile Run | — | 1680178 |
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| Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. | C. L. Pollard 336 | 06 Jun 1895 | United States of America | Virginia | Four Mile Run | — | 1588444 |
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| Lolium arundinaceum (Schreb.) Darbysh. | C. L. Pollard 340 | 06 Jun 1895 | United States of America | Virginia | Fairfax Co. Four Mile Run | — | 1812900 |
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| Clematis ochroleuca Aiton | C. L. Pollard 334 | 06 Jun 1895 | United States of America | Virginia | Arlington Co. Four Mile Run | — | 2745937 |
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| Agrostemma githago L. | C. L. Pollard 347 | 07 Jun 1895 | United States of America | District of Columbia | Terra Cotta. | — | 3160092 |
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| Viola emarginata (Nutt.) Leconte | C. L. Pollard 356 | 08 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 03565730 |
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| Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum | C. L. Pollard 353 | 08 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1592855 |
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| Dichanthelium dichotomum (L.) Gould var. dichotomum | C. L. Pollard 362 | 08 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1712297 |
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| Poa compressa L. | C. L. Pollard 368 | 09 Jun 1895 | United States of America | District of Columbia | Bladensburg Road | — | 1789376 |
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| Dichanthelium clandestinum (L.) Gould | C. L. Pollard 365 | 09 Jun 1895 | United States of America | Maryland | Prince George's Co. Bladensburg Road | — | 1710017 |
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| Lolium arundinaceum (Schreb.) Darbysh. | C. L. Pollard 371 | 09 Jun 1895 | United States of America | Maryland | Prince George's Co. Bladensburg Road | — | 1812896 |
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| Holcus lanatus L. | C. L. Pollard 370 | 09 Jun 1895 | United States of America | District of Columbia | Bladensburg Road | — | 1728481 |
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| Sanicula canadensis L. | C. L. Pollard 386 | 15 Jun 1895 | United States of America | District of Columbia | Zoological Park | — | 3500097 |
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| Aira caryophyllea L. | C. L. Pollard 395 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park. | — | 1637382 |
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| Vulpia octoflora var. glauca (Nutt.) Fernald | C. L. Pollard 408 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park. | — | 1822945 |
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| Dichanthelium sphaerocarpon (Elliott) Gould | C. L. Pollard 398 | 16 Jun 1895 | United States of America | Maryland | Montgomery Co. | — | 1694677 |
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| Dichanthelium dichotomum (L.) Gould var. dichotomum | C. L. Pollard 406 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1712311 |
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| Dichanthelium microcarpon (Muhl. ex Elliot) Mohlenbr. | C. L. Pollard 406 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1712313 |
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| Dichanthelium dichotomum (L.) Gould var. dichotomum | C. L. Pollard 403 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1712568 |
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| Dichanthelium polyanthes (Schult.) Mohlenbr. | C. L. Pollard 401 | 16 Jun 1895 | United States of America | District of Columbia | Takoma Park | — | 1715154 |
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| Poa compressa L. | C. L. Pollard 415 | 19 Jun 1895 | United States of America | District of Columbia | Rock Creek near mouth of… | — | 1789377 |
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| Poa nemoralis L. | C. L. Pollard 418 | 19 Jun 1895 | United States of America | District of Columbia | Chevy chase road. | — | 1791902 |
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| Rosa rubifolia R.Br. | C. L. Pollard 416 | 19 Jun 1895 | United States of America | District of Columbia | Bank of Rock Creek | — | 2862715 |
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| Bromus tectorum L. | C. L. Pollard 426 | 23 Jun 1895 | United States of America | District of Columbia | Near Navy Yard | — | 664436 |
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| Agrostis capillaris L. | C. L. Pollard 427 | 23 Jun 1895 | United States of America | District of Columbia | Along Eastern Branch above Anacostia. | — | 1554693 |
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| Elymus virginicus L. | C. L. Pollard 425 | 23 Jun 1895 | United States of America | District of Columbia | Eastern Branch Marsh, near R.R.… | — | 1678945 |
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| Astragalus canadensis L. var. canadensis | C. L. Pollard 463 | 28 Jun 1895 | United States of America | District of Columbia | High Island | — | 01247270 |
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| Elymus virginicus var. virginicus | C. L. Pollard 460 | 28 Jun 1895 | United States of America | District of Columbia | High Island | — | 1679339 |
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| Elymus virginicus var. virginicus | C. L. Pollard 460 | 28 Jun 1895 | United States of America | District of Columbia | High Island | — | 1679345 |
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| Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. | C. L. Pollard 496 | 14 Jul 1895 | United States of America | District of Columbia | Potomac Flats near Chain Bridge | — | 1682957 |
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| Baptisia australis var. australis | C. L. Pollard 501 | 14 Jul 1895 | United States of America | District of Columbia | Potomac Flats near Chain Bridge | — | 02560921 |
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| Setaria viridis (L.) P.Beauv. | C. L. Pollard 532 | 26 Jul 1895 | United States of America | District of Columbia | Zoological Park. | — | 1815477 |
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| Viola fimbriatula Sm. | C. L. Pollard 576 | 31 Jul 1895 | United States of America | District of Columbia | below Pierce's Mill | — | 3565487 |
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| Erianthus giganteus (Walter) Muhl. | C. L. Pollard 597 | 03 Aug 1895 | United States of America | District of Columbia | Terra Cotta. Terra Cotta Swamps | — | 1689519 |
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| Chasmanthium laxum (L.) H.O.Yates | C. L. Pollard 593 | 03 Aug 1895 | United States of America | District of Columbia | Terra Cotta. Terra Cotta Swamps | — | 1649375 |
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| Panicum virgatum L. | C. L. Pollard 595 | 03 Aug 1895 | United States of America | District of Columbia | Terra Cotta Swamp | — | 1769984 |
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| Elymus canadensis L. | C. L. Pollard 613 | 04 Aug 1895 | United States of America | District of Columbia | Near Reform School | — | 1654427 |
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| Eragrostis spectabilis (Pursh) Steud. | C. L. Pollard 620 | 08 Aug 1895 | United States of America | Virginia | Four-mile run. | — | 1700765 |
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| Zizania aquatica L. | C. L. Pollard 624A | 08 Aug 1895 | United States of America | District of Columbia | Four Mile Run, Virginia. | — | 1823209 |
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| Agrostis perennans (Walter) Tuck. | C. L. Pollard 642 | 11 Aug 1895 | United States of America | Maryland | Near Woodside. | — | 1556957 |
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| Tipularia discolor (Pursh) Nutt. | C. L. Pollard 639 | 11 Aug 1895 | United States of America | Maryland | Woodside | — | 4169650 |
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| Clitoria mariana L. | C. L. Pollard 585 | 15 Aug 1895 | United States of America | District of Columbia | Terra Cotta. | — | 2562574 |
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| Echinochloa muricata var. microstachya Wiegand | C. L. Pollard 683 | 15 Sep 1895 | United States of America | District of Columbia | Near west gate of Zoological… | — | 1698387 |
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| Panicum dichotomiflorum Michx. | C. L. Pollard 682 | 15 Sep 1895 | United States of America | District of Columbia | Rock Creek near West gate… | — | 1767322 |
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| Tridens flavus (L.) Hitchc. | C. L. Pollard 698 | 20 Sep 1895 | United States of America | District of Columbia | Rock Creek Park, near District… | — | 1830662 |
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| Eleusine indica (L.) Gaertn. | C. L. Pollard 716 | 02 Oct 1895 | United States of America | District of Columbia | Waste ground, B. st S.W. | — | 1698850 |
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| Chamaecrista fasciculata (Michx.) Greene | C. L. Pollard s.n. | 1895 | United States of America | District of Columbia | — | 01454018 |
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| Euphorbia ipecacuanhae L. | C. L. Pollard 808 | 24 Mar 1896 | United States of America | Maryland | Prince George's Co. | — | 4009279 |
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| Euphorbia ipecacuanhae L. | C. L. Pollard 808 | 24 Mar 1896 | United States of America | Maryland | Prince George's Co. | — | 4009280 |
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| Ranunculus ficaria subsp. ficaria | C. L. Pollard 776 | 29 Apr 1896 | United States of America | District of Columbia | Rock Creek | — | 2786975 |
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| Glyceria striata (Lam.) Hitchc. | C. L. Pollard s.n. | May 30-31, 1896 | United States of America | Virginia | — | 1725633 |
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| Pogonia ophioglossoides (L.) Ker Gawl. | C. L. Pollard 847 | 30 May 1896 - 01 Jun 1896 | United States of America | Virginia | Dismal Swamp | — | 4132568 |
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| Rorippa sylvestris (L.) Besser | C. L. Pollard s.n. | 15 Jun 1896 | United States of America | Virginia | Fairfax Co. Alexandria. | — | 2406535 |
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