Synopsis of Rudbeckia Subgenus Rudbeckia
| Title | Synopsis of Rudbeckia Subgenus Rudbeckia |
| Publication Type | Journal Article |
| Year of Publication | 1957 |
| Refereed Designation | Unknown |
| Authors | Robert E. Perdue, J.. |
| Journal | Rhodora Journal of the New England Botanical Club |
| Volume | 59 |
| Date Published | 12/1957 |