| Classification | Asteraceae: Helianthella |
| Classification 1 | Asteraceae: Iostephane |
| Harvard University Herbaria Barcode(s) | 00008791 |
| Type Status | Isotype, Holotype |
| Collector | J. N. Rose |
| Collector number | 2391 |
| Country | Mexico |
| State | Zacatecas |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Zacatecas |
| Locality | Sierra Madre |
| Date Collected | 1897-08-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/69ed7df6-4d66-45ba-b45e-079ea7abafb7 |
| Harvard University Herbaria Barcode | 00008791 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Helianthella iostephanoides Greenman |
| Verified by | W. A. Weber |
| Date Determined | 1946 |
| Determination Remarks | "as determined" |
| Taxon Reference | (for Helianthella iostephanoides Greenman) Proc. Amer. Acad. Arts 1904. 40: 41. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Helianthella iostephanoides Greenman |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1984 |
| Taxon Reference | (for Helianthella iostephanoides Greenman) Proc. Amer. Acad. Arts 1904. 40: 41. |
| 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. I take this to be holotype of Helianthella iostephanoides Greenm. |
| Family | Asteraceae |
| Determination | Helianthella iostephanoides Greenman |
| Determination Remarks | [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | Holotype and drawing ; = Iostephane madrensis (S. Watson) Strother (ined, Oct 1981) (det. J. L. Strother, 1981) |
