| Classification | Potamogetonaceae: Ruppia | 
| Harvard University Herbaria Barcode(s) | 02498657 | 
| Collector | S. A. Junak | 
| Collector number | SR-538 | 
| Country | United States of America | 
| State | California | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Santa Barbara County | 
| Locality | Santa Rosa Island. N side of island, at mouth of Cow Canyon, just inland from shoreline | 
| Date Collected | 1992-10-10 | 
| Verbatim Elevation | 50 ft | 
| Habitat | in creek water | 
| Container | Plants of the California Islands | 
| Frequency | locally abundant | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/29b2788e-4e95-4eb8-928a-91cc4c617242 | 
| Harvard University Herbaria Barcode | 02498657 | 
| Herbarium | GH | 
| Previous ownership | [ex] Santa Barbara Botanic Garden (SBBG) | 
| Family | Potamogetonaceae | 
| Determination | Ruppia maritima Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |