[600-?]

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU00016960
McCoy, Thomas N. #s.n. 29 May 1947
Azolla caroliniana Willd.
United States, Tennessee, Obion, Walnut Log Lodge, Reelfoot Lake

West Virginia University Herbarium
Catalog #: WVA-V-0095375
McCoy, Thomas N. #s.n. 29 May 1947
Azolla microphylla Klf.
United States, Tennessee, Obion, Walnut Log Lodge, Reelfoot Lake

West Virginia University Herbarium
Catalog #: WVA-V-0095376
McCoy, Thomas N. #s.n. 29 May 1947
Azolla caroliniana Willd.
United States, Tennessee, Obion, Walnut Log Lodge, Reelfoot Lake