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

Sul Ross University, A. Michael Powell Herbarium
Catalog #: 00001598
R. M. Tryon, Jr. s.n. 26 July 1939
Azolla caroliniana Willd.
USA, South Carolina, Clarendon, Pond in swamp of Black River, 1 mile southwest of Sardinia.

University of Tennessee Vascular Herbarium
Catalog #: TENN-V-0011803
R.M. Tryon, Jr. #907 26 July 1939
Azolla caroliniana Willd.
United States, South Carolina, Clarendon, Pond in swamp of Black River, 1 mile southwest of Sardinia.

Indiana University Herbarium, Deam Herbarium
Catalog #: IND-0002627
Rolla M. Tryon, Jr. #903 26 July 1939
Azolla cristata Kaulf.
United States, South Carolina, Clarendon, Black River, 1 mile southwest of Sardinia

University of North Carolina at Chapel Hill Herbarium: Vascular Plants
Catalog #: NCU00016932
Tryon, R. M., Jr. #907 26 July 1939
Azolla caroliniana Willd.
United States, South Carolina, Clarendon, Black River, 1 mile southwest of Sardinia

University of North Carolina at Chapel Hill Herbarium: Vascular Plants
Catalog #: NCU00016933
Tryon, R. M., Jr. #907 26 July 1939
Azolla caroliniana Willd.
United States, South Carolina, Clarendon, Black River, 1 mile southwest of Sardinia