A study of certain Mexican and Guatemalan species of Polypodium.
Maxon, William R. 1877-1948.
A study of certain Mexican and Guatemalan species of Polypodium. By William R. Maxon. - Washington, Govt. print. off., 1903. - v, 271-280 p. LXI-LXII pl. 23 cm. - Smithsonian institution. United States national museum. Contributions from the United States national herbarium. vol. VIII, pt. 3 .
agr06000921
Polypodium.
QK1 / .U5 v. 8, pt. 3
A study of certain Mexican and Guatemalan species of Polypodium. By William R. Maxon. - Washington, Govt. print. off., 1903. - v, 271-280 p. LXI-LXII pl. 23 cm. - Smithsonian institution. United States national museum. Contributions from the United States national herbarium. vol. VIII, pt. 3 .
agr06000921
Polypodium.
QK1 / .U5 v. 8, pt. 3