| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 00022638 |
| Type Status | Holotype |
| Collector | W. C. Cusick |
| Collector number | 2598 |
| Country | United States of America |
| State | Oregon |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oregon |
| Locality | Margin of Harney Valley, "P" Ranch |
| Date Collected | 1901-06-22 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/99fcee88-21f8-4d24-a61b-e296849fa654 |
| Harvard University Herbaria Barcode | 00022638 |
| Herbarium | GH |
| Family | Potamogetonaceae |
| Determination | Potamogeton foliosus var. californicus (Morong) Morong |
| Determination Remarks | [is label name] |
| Family | Potamogetonaceae |
| Determination | Potamogeton fibrillosus Fernald |
| Annotation Text | n. sp. Type [annotated on sheet] |
| Family | Potamogetonaceae |
| Determination | Potamogeton fibrillosus Fernald |
| Determined by | Haynes, Robert Ralph |
| Date Determined | 1972 |
| Annotation Text | Holotype |
| Family | Potamogetonaceae |
| Determination | Potamogeton foliosus var. fibrillosus (Fernald) Haynes & Reveal |
| Determined by | Haynes, Robert Ralph |
| Date Determined | 1972 |
| Determination Remarks | [is Current name] |
| Annotation Text | Holotype |
| Family | Potamogetonaceae |
| Type Status | Holotype |
| Holotype of | Potamogeton fibrillosus Fernald |
| Verified by | Reveal, James Lauritz & Kaplan, Zdenek |
| Date Determined | 2012 |
| Determination Remarks | [is filed under name] |
| Annotation Text | Holotype! |
| Taxon Reference | (for Potamogeton fibrillosus Fernald) Mem. Amer. Acad. Arts 1932. 17: 51. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
