Biodiversity Heritage Library

By: Diels, Ludwig, - Markgraff, Richard. - Mansfeld, R. - Schmidt, O.C. - Gilg, Ernst, - Markgraf, T.

Type: Article

In: Journal of the Arnold Arboretum

Volume: 10

Series:

Issue: 2

Date: 1929

Page Range: 75--84

Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-

Subjects: