Displaying 1 - 25 out of 125 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Agrostis elliottiana Schult. | J. H. Wiersema 1543a | 29 Apr 1980 | United States of America | Alabama | Randolph Co. Outcrop W of… | — |
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| Agrostis perennans (Walter) Tuck. | J. H. Wiersema 1611 | 30 Apr 1980 | United States of America | Alabama | Tallapoosa Co. Along banks of… | — |
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| Alopecurus carolinianus Walter | J. H. Wiersema 1463 | 30 Mar 1980 | United States of America | Alabama | Montgomery Co. On median strip… | — |
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| Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl | J. H. Wiersema 1253 | 27 Jul 1979 | United States of America | Michigan | Charlevoix Co. Frequent near marshy… | — |
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| Calamagrostis neglecta subsp. inexpansa (A.Gray) Tzvelev | J. H. Wiersema 1097 | 04 Jul 1979 | United States of America | Michigan | Charlevoix Co. Near Lake Michigan… | — |
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| Carex acutata Boott | J. H. Wiersema 2019 | 04 Aug 1980 | Ecuador | Pichincha | 11 km W of jct.… | — |
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| Carex alata Torr. | J. H. Wiersema s.n. | 06 May 1980 | United States of America | Alabama | Lawrence Co. Common on moist… | — |
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| Carex albolutescens Schwein. | J. H. Wiersema 1644 | 01 May 1980 | United States of America | Alabama | Greene Co. Frequent in moist… | — |
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| Carex albolutescens Schwein. | J. H. Wiersema 1697 | 05 May 1980 | United States of America | Alabama | Marion Co. Common in wet… | — |
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| Carex albolutescens Schwein. | J. H. Wiersema 1779 | 08 May 1980 | United States of America | Alabama | Jackson Co. Frequent at margins… | — |
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| Carex albolutescens Schwein. | J. H. Wiersema 1605 | 30 Apr 1980 | United States of America | Alabama | Tallapoosa Co. Frequent along banks… | — |
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| Carex albursina E.Sheld. | J. H. Wiersema 1037 | 03 Jul 1979 | United States of America | Michigan | Charlevoix Co. Frequent in young… | — |
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| Carex arctata Boott | J. H. Wiersema 962 | 29 Jun 1979 | United States of America | Michigan | Charlevoix Co. | — |
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| Carex aurea Nutt. | J. H. Wiersema s.n. | 04 Jul 1979 | United States of America | Michigan | Charlevoix Co. Infrequent in wet… | — |
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| Carex basiantha Steud. | J. H. Wiersema 1508 | 16 Apr 1980 | United States of America | Alabama | Wilcox Co. Frequent on low,… | — |
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| Carex basiantha Steud. | J. H. Wiersema 1488 | 15 Apr 1980 | United States of America | Alabama | Monroe Co. Common in upland… | — |
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| Carex bebbii (L.H.Bailey) Olney ex Fernald | J. H. Wiersema 1100 | 04 Jul 1979 | United States of America | Michigan | Charlevoix Co. In shallow rocky… | — |
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| Carex blanda Dewey | J. H. Wiersema 1753a | 06 May 1980 | United States of America | Alabama | Lawrence Co. South of Larence… | — |
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| Carex bromoides Schkuhr ex Willd. | J. H. Wiersema 1741 | 06 May 1980 | United States of America | Alabama | Colbert Co. Near E banks… | — |
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| Carex brunnescens (Pers.) Poir. | J. H. Wiersema 1050 | 03 Jul 1979 | United States of America | Michigan | Charlevoix Co. Along Otsego Co… | — |
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| Carex bushii Mack. | J. H. Wiersema 1725 | 06 May 1980 | United States of America | Alabama | Colbert Co. Common on grass… | — |
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| Carex caroliniana Schwein. | J. H. Wiersema 1903 | 31 May 1980 | United States of America | Alabama | Dallas Co. At edge of… | — |
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| Carex castanea Wahlenb. | J. H. Wiersema 978 | 29 Jun 1979 | United States of America | Michigan | Charlevoix Co. Within Pigeon River… | — |
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| Carex cephalophora Muhl. ex Willd. | J. H. Wiersema 1515 | 16 Apr 1980 | United States of America | Alabama | Wilcox Co. At Shell Creek… | — |
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| Carex communis L.H.Bailey var. communis | J. H. Wiersema 993 | 29 Jun 1979 | United States of America | Michigan | Charlevoix Co. Within Pigeon River… | — |
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