| Name | Pectis glabra f. calvescens J. T. Howell |
| Authorship | J. T. Howell |
| Rank | Forma |
| Placed in | Pectis glabra J. T. Howell |
| Citation | 1935 Proc. Calif. Acad. Sci. 21: 334 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pectis glabra f. calvescens J. T. Howell |
| Identification made in | [no date] (1), 1974 (1), 2014 (1) |