| Name | Thrixspermum comans var. bicristatum L. O. Williams |
| Authorship | L. O. Williams |
| Rank | Variety |
| Placed in | Thrixspermum comans J. J. Smith |
| Citation | 1938 Bot. Mus. Leafl. 6(4): 80. |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Thrixspermum comans var. bicristatum L. O. Williams |
| Identification made in | [no date] (6) |
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