| Publication Type: | Journal Article |
| Year of Publication: | 1937 |
| Authors: | R. E. Woodson, Seibert R. J. |
| Journal: | Annals of the Missouri Botanical Garden |
| Volume: | 24 |
| Start Page: | 175 |
| Pagination: | 175-210 |
| URL: | http://www.biodiversitylibrary.org/item/54436#page/180/mode/1up |
| Alternate Journal: | Ann. Missouri Bot. Gard. |
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