| Publication Type: | Journal Article |
| Year of Publication: | 1973 |
| Authors: | C. V. Morton |
| Journal: | Contributions from the United States National Herbarium. Smithsonian Institution |
| Volume: | 38 |
| Start Page: | 215 |
| Pagination: | 215-281 |
| Short Title: | Contr. U.S. Natl. Herb. |