Taxonomic and geographic studies in North American ferns. I. The genus Athyrium and the North American ferns allied to A. Filix-femina. II. Botrychium virginianum and its American varieties

By

Butters, F. K. (Frederic King), 1878-1945

Type

Article

Date of Publication

1917

Original Publication

Contributions from the Gray Herbarium of Harvard University

Series / Issue

Issue: 51

Pages

169--216

Contributed by

Harvard University Botany Libraries

Language

English

Published by

[Cambridge, Mass.] Harvard University -1984]

Identifiers

DOI: https://doi.org/10.5962/p.336006
Wikidata: https://www.wikidata.org/entity/Q94388387