| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 00255064 |
| Type Status | Isotype |
| Collector | E. T. Heyde & E. Lux |
| Collector number | 4075 |
| Country | Guatemala |
| State | Jalapa |
| Geography | North America: Central America (Region): Guatemala: Jalapa |
| Locality | Laguna de Ayarza |
| Date Collected | 1892-09-** |
| Elevation | 2438 m |
| Verbatim Elevation | 8000 pp. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e82de684-6bcc-4394-84c6-fc00fb7308ab |
| Harvard University Herbaria Barcode | 00255064 |
| Herbarium | GH |
| Family | Potamogetonaceae |
| Type Status | Isotype |
| Isotype of | Potamogeton fragillimus Hagström |
| Verified by | Kaplan, Zdenek |
| Date Determined | 2012 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Potamogeton fragillimus Hagström) Kongl. Svenska Vetensk. Acad. Handl. 1916. 55, no. 5: 202. |
| Family | Potamogetonaceae |
| Type Status | Isotype |
| Isotype of | Potamogeton fragillimus Hagström |
| Verified by | Ogden, Eugene Cecil |
| Date Determined | 1942 |
| Annotation Text | Isotype |
| Taxon Reference | (for Potamogeton fragillimus Hagström) Kongl. Svenska Vetensk. Acad. Handl. 1916. 55, no. 5: 202. |
| Family | Potamogetonaceae |
| Determination | Potamogeton illinoensis Morong |
| Determined by | Kaplan, Zdenek |
| Date Determined | 2012 |
| Determination Remarks | [current name] |
| Family | Potamogetonaceae |
| Determination | InQuestion Potamogeton malainus Miquel |
| Determined by | Morong, Thomas, Rev. |
| Determination Remarks | [label name] |
| Annotation Text | Quod ad folia et pedunculos attinet persimilis, attamen fructu absente haud certam determinationem admittens |
| Family | Potamogetonaceae |
| Determination | Potamogeton fragillimus Hagström |
| Determined by | [M. L. Fernald (scripsit) annotation on sheet, W. T. Kittredge, 2012] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
