Biodiversity Heritage Library

By: Kauffman, C. H. (Calvin Henry), - Kerber, H. M.

Type: Article

In: American journal of botany

Volume: 9

Series:

Issue: 9

Date: 1922-11

Page Range: 493--508

Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-

Subjects: