| Classification | Asteraceae: Haplopappus |
| Classification 1 | Asteraceae: Machaeranthera |
| Classification 2 | Asteraceae: Aster |
| Harvard University Herbaria Barcode(s) | 00008722 |
| Type Status | Isotype |
| Collector | C. G. Pringle |
| Collector number | 3179 |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México |
| Locality | Flor de Maria |
| Date Collected | 1890-07-31 |
| Habitat | Calcareous bluffs |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4b4cc161-1793-4d1b-808d-24169dc89b93 |
| Harvard University Herbaria Barcode | 00008722 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Haplopappus phyllocephalus subsp. primitivus H. M. Hall |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1983 |
| Taxon Reference | (for Haplopappus phyllocephalus subsp. primitivus H. M. Hall) Publ. Carnegie Inst. Wash. 1928. 389: 56. |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Haplopappus phyllocephalus subsp. primitivus H. M. Hall |
| Verified by | R. L. Hartman (TEX) |
| Date Determined | 1975 |
| Taxon Reference | (for Haplopappus phyllocephalus subsp. primitivus H. M. Hall) Publ. Carnegie Inst. Wash. 1928. 389: 56. |
| Family | Asteraceae |
| Determination | Machaeranthera gymnocephala (de Candolle) Shinners |
| Determined by | R. L. Hartman (TEX) |
| Date Determined | 1975 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Aster gymnocephalus (de Candolle) A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
