| Classification | Asteraceae: Psathyrotes |
| Classification 1 | Asteraceae: Trichoptilium |
| Harvard University Herbaria Barcode(s) | 00011458 |
| Type Status | Holotype |
| Collector | G. Thurber |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Imperial County |
| Locality | Desert west of Colorado [River] |
| Date Collected | 1852-02-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/050f0482-3ecb-481b-80c1-87d8d9e2871c |
| Harvard University Herbaria Barcode | 00011458 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Psathyrotes incisa A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Taxon Reference | (for Psathyrotes incisa A. Gray) Mem. Amer. Acad. Arts 1854. n.s. 5: 322. |
| Family | Asteraceae |
| Determination | Trichoptilium incisum (A. Gray) A. Gray |
| Determined by | D. E. Johnson (UC) |
| Date Determined | 1978 |
| Determination Remarks | [current name] |
| Annotation Text | G. Thurber: Holotype of Psathyrotes incisa A. Gray (upper right packet) |
| Family | Asteraceae |
| Determination | Psathyrotes incisa A. Gray |
| Determined by | J. L. Strother (UC) |
| Date Determined | 1973 |
| Annotation Text | Holotype |
| Family | Asteraceae |
| Determination | Psathyrotes incisa A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [label name] |
| Annotation Text | n. sp. Pl. Thurber. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with non-type specimens of Palmer s.n., 1876, 263844, Cooper s.n., 1860-1, 263845, Fremont s.n., 1849, 263846, Schott s.n., 263847, and Parry s.n., 263848] |
