| Classification | Rosaceae: Potentilla |
| Classification 1 | Rosaceae: Horkelia |
| Barcode(s) | 00443855 |
| Type Status | Isotype, Isolectotype |
| Collector | T. J. Howell |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon: Josephine County |
| Locality | Waldo |
| Date Collected | 1884-06-19 |
| Habitat | Gravelly prairies |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9b20be3f-fea6-4267-a467-f2aef6369c69 |
| Harvard University Herbaria Barcode | 00443855 |
| Herbarium | GH |
| Family | Rosaceae |
| Type Status | Isotype |
| Isotype of | Potentilla howellii Greene |
| Verified by | Keck, David Daniels |
| Date Determined | 1938 |
| Taxon Reference | (for Potentilla howellii Greene) Pittonia 1887. 1: 104. |
| Family | Rosaceae |
| Type Status | Isolectotype |
| Isolectotype of | Potentilla howellii Greene |
| Verified by | Ertter, Barbara J. |
| Date Determined | 2013-04-** |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Potentilla howellii Greene) Pittonia 1887. 1: 104. |
| Family | Rosaceae |
| Determination | Horkelia howellii (Greene) Rydberg |
| Determined by | Ertter, Barbara J. |
| Date Determined | 2013 |
| Determination Remarks | [current name] |
| Family | Rosaceae |
| Determination | Horkelia howellii (Greene) Rydberg |
| Determined by | Keck, David Daniels |
| Date Determined | 1938 |
| Family | Rosaceae |
| Determination | Horkelia sp. |
| Determined by | [annotation on sheet] |
| Annotation Text | Horkelia latiloba [ined.], Howell's list |
| Family | Rosaceae |
| Determination | Potentilla howellii Greene |
| Determined by | [annotation on sheet] |
| Family | Rosaceae |
| Determination | Horkelia congesta Douglas ex Hooker |
| Determination Remarks | [label name] |
| Annotation Text | Horkelia congesta, Dougl., var. latiloba, Watson [ined.] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
