CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD UNIVERSITY—NO. CXXXIV. A REVISION OF THE GENUS PTERIDIUM

By

Tryon, Rolla M. (Rolla Milton), 1916-2001

Type

Article

Date of Publication

1941

Original Publication

Rhodora

Volume

43

Pages

1--31

Contributed by

BioStor

Published by

[Cambridge, Mass., etc.] New England Botanical Club [etc.]

Identifiers

BioStor: https://biostor.org/reference/180184