| Classification | Portulacaceae: Calyptridium | 
| Classification 1 | Portulacaceae: Cistanthe | 
| Barcode(s) | 00267818 | 
| Type Status | Isotype | 
| Collector | T. Nuttall | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County: San Diego | 
| Locality | St. Diego, U. Calif | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/377aa28c-dda8-489d-86df-3981a76e53a7 | 
| Harvard University Herbaria Barcode | 00267818 | 
| Herbarium | GH | 
| Previous ownership | Presented by Elias Durand, 1866 | 
| Family | Portulacaceae | 
| Type Status |  Isotype | 
| Isotype of |  Calyptridium monandrum Nuttall | 
| Verified by | W. T. Kittredge | 
| Date Determined | 2008 | 
| Taxon Reference | (for  Calyptridium monandrum Nuttall) Fl. N. Amer. [Torr. & A. Gray] 1838. 1(2): 198. | 
| Family | Portulacaceae | 
| Determination |  Cistanthe monandra (Nuttall) Hershkovitz | 
| Determined by | W. T. Kittredge | 
| Date Determined | 2008 | 
| Determination Remarks |  [current name] | 
| Annotation Text | Phytologia 68(4): 267. 1990 | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |