| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919104 |
| Collector | C. B. Hellquist & R. R. Haynes |
| Collector number | 10465 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County |
| Locality | Marl Bay-Douglas Lake ca. 4.0 miles NE. of Pellston, Sec. 18, T37N, R3W |
| Date Collected | 1975-07-12 |
| Habitat | pH 8.9. alkalinity 114.0 mg/l |
| Container | Flora of Michigan |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f32756df-bef2-4318-b4dc-3b9cf860313f |
| Harvard University Herbaria Barcode | 01919104 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of Boston State College; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
