| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 00022675 |
| Type Status | Isotype |
| Collector | E. Faxon |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Essex County |
| Locality | Wenham Pond [Beverly & Wenham] |
| Date Collected | 1882-09-05 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/78b8a06e-4454-4fa6-8eb3-5267c686f53d |
| Harvard University Herbaria Barcode | 00022675 |
| Herbarium | GH |
| Previous ownership | Ex Herb. C. E. Faxon |
| Family | Potamogetonaceae |
| Determination | Potamogeton ×subnitens Hagström |
| Determined by | [M. L. Fernald (scripsit) annotation on sheet, W. T. Kittredge, 2012] |
| Family | Potamogetonaceae |
| Determination | Potamogeton perfoliatus Linnaeus |
| Determination Remarks | [is label name] |
| Annotation Text | var.? See Mem. Torr. Bot. Club iii. p. 34 |
| Family | Potamogetonaceae |
| Determination | Potamogeton ×subnitens Hagström |
| Determined by | Ogden, Eugene Cecil |
| Date Determined | 1942 |
| Annotation Text | Isotype P. gramineus L. x perfoliatus L. var. bupleuroides (Fern.) Farw. (probably backcrossed with p. v. bupleuroides) |
| Family | Potamogetonaceae |
| Determination | Potamogeton gramineus Linnaeus |
| Determined by | B. Boivin |
| Date Determined | 1979 |
| Annotation Text | Elongated branches |
| Family | Potamogetonaceae |
| Determination | Potamogeton ×nitens Weber |
| Determined by | Kaplan, Zdenek |
| Date Determined | 2012 |
| Determination Remarks | [is Current name] |
| Annotation Text | (P. gramineus L. x P. perfoliatus L.) |
| Family | Potamogetonaceae |
| Type Status | Isotype |
| Isotype of | Potamogeton ×subnitens Hagström |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Potamogeton ×subnitens Hagström) Kongl. Svenska Vetensk. Acad. Handl. 1916. 55(5): 201. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
