Biodiversity Heritage Library

By: Bakke, Arthur Laurence, - Erdman, L. W.

Type: Article

In: American journal of botany

Volume: 10

Series:

Issue: 1

Date: 1923-01

Page Range: 18--31

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

Subjects: