| Classification | Asteraceae: Helianthella |
| Classification 1 | Asteraceae: Iostephane |
| Classification 2 | Asteraceae: Pionocarpus |
| Harvard University Herbaria Barcode(s) | 00008792 |
| Type Status | Holotype |
| Collector | C. G. Pringle |
| Collector number | 1302 |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | Base of the Sierra Madre. |
| Date Collected | 1887-09-19 |
| Habitat | Pine plains |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fee480a5-4a63-4d31-a0f2-53dba5d4026e |
| Harvard University Herbaria Barcode | 00008792 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Helianthella madrensis S. Watson |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1984 |
| Taxon Reference | (for Helianthella madrensis S. Watson) Proc. Amer. Acad. Arts 1888. 23: 278. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Helianthella madrensis S. Watson |
| Verified by | R. Bye (GH) |
| Date Determined | 1975 |
| Taxon Reference | (for Helianthella madrensis S. Watson) Proc. Amer. Acad. Arts 1888. 23: 278. |
| Family | Asteraceae |
| Determination | Iostephane madrensis (S. Watson) Strother |
| Determined by | J. L. Strother (UC) |
| Date Determined | 1981-10-** |
| Determination Remarks | Published 1983 [current name] |
| Annotation Text | ined |
| Family | Asteraceae |
| Determination | Pionocarpus madrensis (S. Watson) S. F. Blake |
| Determined by | R. Bye (GH) |
| Date Determined | 1975 |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Helianthella madrensis S. Watson |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
