| Classification | Asteraceae: Machaeranthera |
| Harvard University Herbaria Barcode(s) | 00009963 |
| Type Status | Probable Isotype |
| Collector | C. H. T. Townsend & C. M. Barber |
| Collector number | 371 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | Near Casas Grandes; altitude 6500 ft. |
| Date Collected | 1899-10-11 |
| Elevation | 1981 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e970ea9-848a-4841-9e65-0be1f277d819 |
| Harvard University Herbaria Barcode | 00009963 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Machaeranthera pruinosa Greene |
| Determined by | E. L. Greene |
| Determination Remarks | [is label name] |
| Annotation Text | n. sp. |
| Family | Asteraceae |
| Determination | Machaeranthera asteroides var. asteroides |
| Determined by | B. L. Turner (TEX) |
| Date Determined | 1986 |
| Determination Remarks | [is Current name] |
| Family | Asteraceae |
| Type Status | Probable Isotype |
| Probable Isotype of | Machaeranthera pruinosa Greene |
| Verified by | D. E. Boufford (A) |
| Date Determined | 1983 |
| Taxon Reference | (for Machaeranthera pruinosa Greene) Pittonia 1900. 4: 157. |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Machaeranthera pruinosa Greene |
| Verified by | B. L. Turner (TEX) |
| Date Determined | 1986 |
| Taxon Reference | (for Machaeranthera pruinosa Greene) Pittonia 1900. 4: 157. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
