| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 00053934 | 
| Type Status | Isolectotype | 
| Collector |  | 
| Country | United States of America | 
| State | Vermont | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Vermont: Addison County: Ferrisburg | 
| Locality | Little Otter Creek | 
| Date Collected | 1880-08-10 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/22b266b5-f9f0-4c71-993f-f1129329bccc | 
| Harvard University Herbaria Barcode | 00053934 | 
| Herbarium | GH | 
| Previous ownership | Ex Herb. E & C. E. Faxon | 
| Family | Potamogetonaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Potamogeton ×faxonii Morong | 
| Verified by | Reveal, James Lauritz & Kaplan, Zdenek | 
| Date Determined | 2012 | 
| Determination Remarks | [filed under] | 
| Annotation Text | Isotype! [Isolectotype] | 
| Taxon Reference | (for  Potamogeton ×faxonii Morong) Mem. Torrey Bot. Club 1893. 3(2): 22. | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton ×faxonii Morong | 
| Determined by | Kaplan, Zdenek | 
| Date Determined | 2012 | 
| Determination Remarks | [current name] | 
| Annotation Text | Isolectotype
=P. illinoensis x P. nodosus | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton ×faxonii Morong | 
| Determined by | Ogden, Eugene Cecil | 
| Date Determined | 1942 | 
| Annotation Text | P. nodosus Poir. x illinoensis Morong (isotype of P. faxoni Morong) | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton rufescens Schrader | 
| Determination Remarks | [label name] | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton ×faxonii Morong | 
| Annotation Text | Gray's Man. Ed. 7 | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |