| Classification | Ceratophyllaceae: Ceratophyllum |
| Harvard University Herbaria Barcode(s) | 02073231 |
| Collector | C. B. Hellquist |
| Collector number | 16826 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: La Plata County |
| Locality | Haviland lake, San Juan N. F., north of Durango along Rt. 550. |
| Georeference | 37° 31.937' N, 107° 48.443' W |
| Date Collected | 2003-06-05 |
| Verbatim Elevation | 9078 ft. (2731 m) |
| Container | Flora of Colorado |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/aca63e00-ee65-4319-850b-0d55ecc32a1f |
| Harvard University Herbaria Barcode | 02073231 |
| Herbarium | GH |
| Previous ownership | Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Ceratophyllaceae |
| Determination | Ceratophyllum demersum Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
