Studies in Onagraceae IV. A Revision of the Sub-Genera Salpingia and Calylophis of the Genus Oenothera
- 1 November 1929
- journal article
- research article
- Published by Wiley in American Journal of Botany
- Vol. 16 (9), 702-715
- https://doi.org/10.2307/2435895