Verbatim text: Tryon, R. M. 1964. Taxonomic fern notes. IV. Some American vittarioid ferns. Rhodora 66: 110--117.
Author: Tryon, R.M.
Year: 1964
Title: Taxonomic fern notes. IV. Some American vittarioid ferns
Journal: Rhodora
Volume: 66
Pages: 110–117