| Name | Calylophus drummondianus subsp. berlandieri (Spach) Towner & P. H. Raven |
| Authorship | (Spach) Towner & P. H. Raven |
| Rank | Subspecies |
| Placed in | Calylophus drummondianus Spach |
| Citation | 1970 Madroño 20(5): 243 |
| Holdings | 68 Specimens held in the Harvard University Herbaria identified as Calylophus drummondianus subsp. berlandieri (Spach) Towner & P. H. Raven |
| Identification made in | [no date] (64), 1971 (4) |
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