| Name | Lithophragma campanulatum Howell |
| Authorship | Howell |
| Rank | Species |
| Placed in | Lithophragma (Nuttall) Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:141737-2 |
| Holdings | 23 Specimens held in the Harvard University Herbaria identified as Lithophragma campanulatum Howell |
| Identification made in | [no date] (13), 1962 (10) |
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