| Classification | Haplopappus |
| Classification 1 | Rayjacksonia |
| Harvard University Herbaria Barcode(s) | 00008698 |
| Type Status | Holotype |
| Collector | T. Drummond |
| Collector number | 110 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b35d8247-c9bd-4f4e-b514-64b1b75e7c3d |
| Harvard University Herbaria Barcode | 00008698 |
| Herbarium | GH |
| Previous ownership | Transferred from The Boston Society of Natural History to the Gray Herbarium of Harvard University, October, 2, 1941 |
| Type Status | Holotype |
| Holotype of | Haplopappus rubiginosus Torrey & A. Gray |
| Verified by | Boufford, David Edward |
| Annotation Text | Holotype |
| Taxon Reference | (for Haplopappus rubiginosus Torrey & A. Gray) Fl. N. Amer. [Torr. & A. Gray] 1842. 2: 240. |
| Type Status | Holotype |
| Holotype of | Haplopappus rubiginosus Torrey & A. Gray |
| Verified by | R. L. Hartman |
| Date Determined | 1975 |
| Annotation Text | Holotype |
| Taxon Reference | (for Haplopappus rubiginosus Torrey & A. Gray) Fl. N. Amer. [Torr. & A. Gray] 1842. 2: 240. |
| Determination | Rayjacksonia phyllocephala (de Candolle) R. L. Hartman & M. A. Lane |
| Determination Remarks | [current name] |
| Determination | Haplopappus phyllocephalus de Candolle |
| Determined by | R. L. Hartman |
| Date Determined | 1975 |
| Determination | Haplopappus phyllocephalus de Candolle |
| Determined by | R. C. Jackson |
| Date Determined | 1963 |
| Annotation Text | (type specimen of rubignosus) |
| Determination | |
| Determination | Haplopappus rubiginosus Torrey & A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
