| Name | Phacelia petiolata I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Phacelia |
| GUID | urn:lsid:ipni.org:names:192014-2 |
| Citation | 1943 J. Arnold Arbor. 24: 97 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Phacelia petiolata I. M. Johnston |
| Identification made in | [no date] (1), 2002 (1), 2009 (1) |