| Name | Portulaca umbraticola subsp. lanceolata J. F. Matthews & Ketron |
| Authorship | J. F. Matthews & Ketron |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Portulaca umbraticola Kunth |
| GUID | urn:lsid:ipni.org:names:967194-1 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Portulaca umbraticola subsp. lanceolata J. F. Matthews & Ketron |
| Identification made in | 1992 (2) |