| Name | Leavenworthia crassa Rollins |
| Authorship | Rollins |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Leavenworthia |
| Contains | Leavenworthia crassa var. elongata Rollins |
| GUID | urn:lsid:ipni.org:names:285982-1 |
| Citation | 1963 Contr. Gray Herb. 192: 62 |
| Holdings | 120 Specimens held in the Harvard University Herbaria identified as Leavenworthia crassa Rollins |
| Identification made in | [no date] (32), 2005 (2), 2011 (86) |