| Classification | Cyperaceae: Carex | 
| Barcode(s) | 00027438 | 
| Type Status | Isotype | 
| Collector | J. T. Howell & J. W. Stacey | 
| Collector number | 13042 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Sonoma County | 
| Locality | Pitkin Marsh | 
| Date Collected | 1937-06-06 | 
| Container | California Academy of Sciences | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b54bd6cf-f1ac-4c50-847a-e5437c932ee4 | 
| Harvard University Herbaria Barcode | 00027438 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Type Status |  Isotype | 
| Isotype of |  Carex sonomensis Stacey | 
| Verified by | P.F. Zika (WTU) | 
| Date Determined | 2010 | 
| Taxon Reference | (for  Carex sonomensis Stacey) Leafl. W. Bot. 1937. 2: 63. | 
| Family | Cyperaceae | 
| Determination |  Carex lemmonii W. Boott | 
| Determined by | P.F. Zika (WTU) | 
| Date Determined | 2010 | 
| Determination Remarks |  [current name] | 
| Family | Cyperaceae | 
| Determination |  Carex sonomensis Stacey | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |