| Classification | Plantaginaceae: Callitriche | 
| Barcode(s) | 00247145 | 
| Collector | J. P. Tracy | 
| Collector number | 1849 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California | 
| Locality | Napa valley, Near Calistoga, Altitude 300 feet. | 
| Date Collected | 1903-05-15 - 1903-05-18 | 
| Elevation |  - 91 m | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d81d6723-eb9d-4ada-babc-362b9aea277b | 
| Harvard University Herbaria Barcode | 00247145 | 
| Herbarium | GH | 
| Family | Plantaginaceae | 
| Determination |  Callitriche verna Linnaeus | 
| Determined by | C. T. Philbrick (RSA/POM) | 
| Date Determined | 1991-01-** | 
| Determination Remarks |  [current name] | 
| Family | Plantaginaceae | 
| Determination |  Callitriche verna Linnaeus | 
| Determined by | N. C. Fassett | 
| Date Determined | 1949 | 
| Family | Plantaginaceae | 
| Determination |  Callitriche palustris Linnaeus | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |