References
Kress, W.J., G.D. Maddox, and C.S. Roesel. 1994. Genetic variation and protection priorities in Ptilimnium nodosum (Apiaceae), an endangered plant of the eastern United States. Conservation Biology 8: 271-276. Google Scholar
Kress, W.J., G.D. Maddox, and C.S. Roesel. 1994. Genetic variation and protection priorities in Ptilimnium nodosum (Apiaceae), an endangered plant of the eastern United States. Conservation Biology 8: 271-276. Google Scholar