Pl. Exs. Grayan.
Anonymous [1 - 1500 or more]

Field Museum of Natural History Pteridophyte Collection
Catalog #: C0608134F
510c8ee6-3628-40ca-ba7e-417e61c81a59
R. M. Tryon, Jr. #907 26 July 1939
Azolla caroliniana Willd.
U.S.A., South Carolina, Clarendon, 1 mile SW of Sardinia, Black River

University and Jepson Herbaria
Catalog #: UC741355
0ab3e4a9-4f17-4a25-9de0
R. M. Tryon, Jr. #907 26 July 1939
Azolla filiculoides Lam.
United States, South Carolina, Clarendon, Floating on pond in swamp of Black River, 1 mile southwest of Sardinia