Biodiversity Heritage Library

By: Shull, Charles A. (Charles Albert), - Shull, S. P.

Type: Article

In: American journal of botany

Volume: 7

Series:

Issue: 8

Date: 1920-10

Page Range: 318--326

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

Subjects: