| Classification | Asteraceae: Riddellia |
| Classification 1 | Asteraceae: Psilostrophe |
| Barcode(s) | 00011496 |
| Type Status | Syntype |
| Collector | Josiah Gregg |
| Collector number | 35 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | Dry ridge, battlefield near Buenavista |
| Date Collected | 1847-05-22 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/30c29bea-32c9-486e-bb19-9dc32b4f6f07 |
| Harvard University Herbaria Barcode | 00011496 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Syntype |
| Syntype of | Riddellia arachnoidea A. Gray |
| Taxon Reference | (for Riddellia arachnoidea A. Gray) Mem. Amer. Acad. Arts 1849. n.s. 4: 94. |
| Family | Asteraceae |
| Determination | Psilostrophe gnaphalodes de Candolle |
| Determined by | R. C. Brown |
| Date Determined | 1973-05-** |
| Determination Remarks | [current name] |
| Annotation Text | Syntype of Riddellia arachnoidea |
| Family | Asteraceae |
| Determination | Riddellia arachnoidea A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Mounted with Syntype of Gregg 318 (barcode 11497), and non-type specimen of Gregg 34 (barcode 257531).] |
