| Classification | Cyperaceae: Cyperus | 
| Harvard University Herbaria Barcode(s) | 00027642 | 
| Type Status | Isosyntype | 
| Collector | J. C. Blumer | 
| Collector number | 1636 | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona | 
| Locality | Chiricahua Mountains: rhyolitic spur just north of Wilgus Ranch (Shelter Cove), alt. 6000 feet | 
| Date Collected | 1907-09-02 | 
| Elevation | 1828 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/388225dd-2a6f-42eb-9859-fd8cea505c73 | 
| Harvard University Herbaria Barcode | 00027642 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status | Isosyntype | 
| Isosyntype of | Cyperus subambiguus var. pallidicolor Kükenthal | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Cyperus subambiguus var. pallidicolor Kükenthal) Pflanzenr. [Engler] 1936. 4, Fam. 20: 528. | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |