| Name | Cephaëlis tetragona Donnell Smith |
| Authorship | Donnell Smith |
| Rank | Species |
| Placed in | Cephaëlis Swartz |
| Citation | 1916 Bot. Gaz. 61(5): 376 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Cephaëlis tetragona Donnell Smith |
| Identification made in | [no date] (1), 2015 (2) |
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