| Classification | Plantaginaceae: Callitriche |
| Harvard University Herbaria Barcode(s) | 00048921 |
| Type Status | Holotype |
| Collector | S. K. Harris, J. P. Tracy & H. S. Yates |
| Collector number | 3454 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Humboldt County |
| Locality | Northwest slopes of Buck Mountain |
| Date Collected | 1936-06-17 |
| Elevation | 823 m |
| Verbatim Elevation | about 2700 feet |
| Container | Plants of California |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/31b07fb0-526f-4176-8055-5611cc0ab4f3 |
| Harvard University Herbaria Barcode | 00048921 |
| Herbarium | GH |
| Family | Plantaginaceae |
| Type Status | Holotype |
| Holotype of | Callitriche trochlearis Fassett |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2016 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Callitriche trochlearis Fassett) Rhodora 1951. 53: 194. |
| Family | Plantaginaceae |
| Determination | Callitriche trochlearis Fassett |
| Determined by | Lansdown, Richard V. |
| Date Determined | 2007-09-04 |
| Determination Remarks | [current name] |
| Annotation Text | Holotype |
| Family | Plantaginaceae |
| Determination | Callitriche trochlearis Fassett |
| Determined by | Fassett, Norman Carter |
| Date Determined | 1949 |
| Annotation Text | Type |
| Family | Plantaginaceae |
| Determination | Callitriche palustris Linnaeus |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |