| Classification | Malvaceae: Callirhoe | 
| Harvard University Herbaria Barcode(s) | 00052728 | 
| Type Status | Isolectotype | 
| Collector | Edw. Palmer | 
| Collector number | 38 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila: Saltillo | 
| Date Collected | 1898-04-15 - 1898-04-30 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b7fedced-8369-4d13-bce7-d430cf90765d | 
| Harvard University Herbaria Barcode | 00052728 | 
| Herbarium | GH | 
| Family | Malvaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Callirhoe macrostegia Hochreutiner | 
| Verified by | L. J. Dorr | 
| Taxon Reference | (for  Callirhoe macrostegia Hochreutiner) Annuaire Conserv. Jard. Bot. Geneve 1917. 20: 125. | 
| Family | Malvaceae | 
| Determination | Callirhoe involucrata var. tenuissima E. G. Baker | 
| Determined by | P. A. Fryxell, Syst. Bot. Monogr. 25: 139-140 | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |