| Publication Type: | Journal Article |
| Year of Publication: | 1931 |
| Authors: | E. B. Copeland |
| Journal: | University of California Publications in Botany. Berkeley, CA |
| Volume: | 12 |
| Pagination: | 383-418 |
| Date Published: | 1931 |
| Publication Type: | Journal Article |
| Year of Publication: | 1931 |
| Authors: | E. B. Copeland |
| Journal: | University of California Publications in Botany. Berkeley, CA |
| Volume: | 12 |
| Pagination: | 383-418 |
| Date Published: | 1931 |