| Publication Type: | Journal Article |
| Year of Publication: | 1988 |
| Authors: | A. Graham |
| Journal: | Annals of the Missouri Botanical Garden |
| Volume: | 75 |
| Pagination: | 1440-1466 |
| Type of Article: | Journal Article |
| ISSN: | 0026-6493 |
| URL: | <Go to ISI>://WOS:A1988T603400018 |
| DOI: | 10.2307/2399295 |