| Name | Malacothrix stebbinsii W. S. Davis & P. H. Raven | 
| Authorship | W. S. Davis & P. H. Raven | 
| Rank | Species | 
| Placed in | Malacothrix de Candolle | 
| Citation | 1962 Madroño 16(8): 265–266, f. 1 [map], 2e | 
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Malacothrix stebbinsii W. S. Davis & P. H. Raven | 
| Identification made in | [no date] (6) |