| Classification | Haloragaceae: Myriophyllum |
| Harvard University Herbaria Barcode(s) | 00404858 |
| Collector | B. J. Ertter & Lynne Hosley |
| Collector number | 10822 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Contra Costa County |
| Locality | Lafayette Reservoir in hills SW of Lafayette, in water at E end of dam |
| Date Collected | 1991-09-22 |
| Verbatim Elevation | ca 450 ft |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/49e97465-2440-430b-bbea-ff838f9e253a |
| Harvard University Herbaria Barcode | 00404858 |
| Herbarium | GH |
| Family | Haloragaceae |
| Determination | Myriophyllum verticillatum Linnaeus |
| Determined by | McClintock, Elizabeth |
| Date Determined | 1993 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
