| Name | Monardella undulata subsp. crispa Elvin & A. C. Sanders | 
| Authorship | Elvin & A. C. Sanders | 
| Rank | Subspecies | 
| Placed in | Monardella undulata Bentham | 
| Holdings | 12 Specimens held in the Harvard University Herbaria identified as Monardella undulata subsp. crispa Elvin & A. C. Sanders | 
| Identification made in | [no date] (7), 2009 (4), 2012 (1) | 
