Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

University Herbarium, University of California, Berkeley
Catalog #: UC566593
Marshall A. Howe #6909 16 June 1915
Dictyopteris justii J.V.Lamouroux
Puerto Rico, Santurce