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Steven Ahlstedt
5 cilt bulundu.
Cilt sonuçları
Recovery plan for the birdwing pearly mussel
Steven Ahlstedt, U.S. Fish and Wildlife Service. Region 4. · The Region
56 sayfa · 1984
Freshwater mussels / Endangered species / Enlarged species / Conradilla caelata
Recovery plan for the Appalachian monkeyface pearly mussel, Quadrula sparsa (Lea, 1841)
Steven Ahlstedt, U.S. Fish and Wildlife Service. Region 4. · The Region
55 sayfa · 1984
Unionidae / Endangered species / Rare animals
Recovery plan for the tuberculed-blossom pearly mussel, Epioblasma (=Dysnomia) torulosa torulosa (Rafinesque, 1820), turgid-blossom pearly mussel, Epioblasma (=Dysnomia) turgidula (Lea, 1858), yellow-blossom pearly mussel, Epioblasma (=Dysnomia) florentina florentina (Lea, 1857)
Steven Ahlstedt, U.S. Fish and Wildlife Service, Tennessee Valley Authority · U.S. Fish and Wildlife Service
42 sayfa · 1985
Mussels / Unionidae / Endangered species
Recovery plan for the white warty-back pearly mussel, Plethobasus cicatricosus (Say, 1829)
Steven Ahlstedt, U.S. Fish and Wildlife Service. Endangered Species Field Office (Asheville, N.C.), U.S. Fish and Wildlife Service. Region 4., U.S. Fish and Wildlife Service · USFWS Region 4
43 sayfa · 1984
Unionidae / Mussels / Endangered species