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Genetic Variation and Protection Priorities in Ptilimnium nodosum (Apiaceae), an Endangered Plant of the Eastern United States |
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| Authors: | W. John Kress G. David Maddox Cheryl S. Roesel |
| Affiliation: | Department of Botany, NHB-166 Smithsonian Institution Washington, DC 20560, U.S.A.Maryland Natural Heritage Program Department of Natural Resources B-2 Tawes State Office Building Annapolis, MD 21401, U.S.A.Department of Botany, NHB-166 Smithsonian Institution Washington, DC 20560, U.S.A. |
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