| Publication Type: | Journal Article |
| Year of Publication: | 1982 |
| Authors: | B. E. Hammel, Grayum M. H. |
| Journal: | Annals of the Missouri Botanical Garden |
| Volume: | 69 |
| Pagination: | 420-425 |
| Type of Article: | Journal Article |
| ISSN: | 0026-6493 |
| URL: | <Go to ISI>://WOS:A1982PZ82000012 |
| DOI: | 10.2307/2398949 |