The genera of the fern tribe Vittarieae, their external morphology, venation and relationships ...
Series: Contributions from the Department of Botany of Columbia University -- no. 250
Published: 1911
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 190
Subjects: Ferns
Notes: Vita.

Reprinted from the Bulletin of the Torrey botanical club, vol. 38, no. 4, pub. May 5, 1911.

Thesis (Ph. D.)--Columbia university.