| Classification | Pontederiaceae: Heteranthera |
| Barcode(s) | 01919109 |
| Collector | C. B. Hellquist |
| Collector number | 12358 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County |
| Locality | along Upper Black River Road ca. 1 1/4 miles north of Hangore Heights, SE.1/4 Sec. 34, T36N, R1E |
| Date Collected | 1977-08-02 |
| Habitat | small stream feeding marsh. pH 7.6, alkalinity 120.0 |
| Container | Flora of Michigan |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5560c093-11f5-44a6-9f04-9dbda6f7be80 |
| Harvard University Herbaria Barcode | 01919109 |
| 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 |
