Title
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD UNIVERSITY—NO. CXXXIV. A REVISION OF THE GENUS PTERIDIUM
By
Tryon, Rolla M. (Rolla Milton), 1916-2001
Original Publication
Rhodora
Published by
[Cambridge, Mass., etc.] New England Botanical Club [etc.]
Identifiers
BioStor:
https://biostor.org/reference/180184