| Classification | Plantaginaceae: Callitriche | 
| Barcode(s) | 00466666 | 
| Collector | H. L. Mason | 
| Collector number | 5111 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Madera County | 
| Locality | Eighteen miles east of Madera, junction of Yosemite Road | 
| Date Collected | 1929-03-24 | 
| Habitat | In vernal pools, water not fresh, a little warm | 
| Container | Plants of California | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/814d1905-608c-4a17-bf42-19ab76ead0fb | 
| Harvard University Herbaria Barcode | 00466666 | 
| Herbarium | GH | 
| Previous ownership | [Ex] Herbarium of the University of California | 
| Family | Plantaginaceae | 
| Determination |  Callitriche heterophylla Pursh | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |