| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919113 |
| Collector | W. T. Gillis |
| Collector number | 13890 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Ottawa County |
| Locality | Port Sheldon, T. 6N., R. 16W., SW 1/4 Sec. 15, lake across from power plant. |
| Date Collected | 1977-07-09 |
| Habitat | Lake edge, on sand and muck. |
| Container | Plants of Michigan |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8c7473ee-8c26-4736-8f9f-b84834b073a9 |
| Harvard University Herbaria Barcode | 01919113 |
| Herbarium | GH |
| Previous ownership | Ex W. K. Kellogg Biological Station Herbarium |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determined by | Horn, Charles N. |
| Date Determined | 1995 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
