| Name | Croptilon hookerianum var. validum (Rydberg) E. B. Smith |
| Authorship | (Rydberg) E. B. Smith |
| Rank | Variety |
| Placed in | Croptilon hookerianum (Torrey & A. Gray) House |
| Citation | 1981 Sida 9: 61 |
| Holdings | 29 Specimens held in the Harvard University Herbaria identified as Croptilon hookerianum var. validum (Rydberg) E. B. Smith |
| Identification made in | 2007 (29) |
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