| Name | Clarkia gracilis (Piper) A. Nelson & J. F. Macbride |
| Authorship | (Piper) A. Nelson & J. F. Macbride |
| Rank | Species |
| Placed in | Clarkia Pursh |
| Contains | Clarkia gracilis subsp. albicaulis (Jepson) F. H. Lewis & M. R. Lewis Clarkia gracilis subsp. sonomensis (Hitchcock) F. H. Lewis & M. E. Lewis Clarkia gracilis subsp. tracyi (Jepson) Abdel-Hameed & R. Snow |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Clarkia gracilis (Piper) A. Nelson & J. F. Macbride |
| Identification made in | [no date] (14) |