| Name | Cosmos sulphureus var. exaristatus Sherff |
| Authorship | Sherff |
| Rank | Variety |
| Placed in | Cosmos sulphureus Cavanilles |
| Citation | 1932 Publ. Field Mus. Nat. Hist., Bot. Ser. 8: 411 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cosmos sulphureus var. exaristatus Sherff |
| Identification made in | [no date] (1), 1976 (1) |
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