| Classification | Haloragaceae: Myriophyllum |
| Harvard University Herbaria Barcode(s) | 01628554 |
| Collector | C. B. Hellquist & R. R. Haynes |
| Collector number | 12240 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Emmet County |
| Locality | O'Neal Lake Flooding ca. 8.0 miles SW. of Mackinaw City, Secs. 2 & 3, T39N, R5W |
| Date Collected | 1977-07-15 |
| Habitat | pH 7.9, alkalinity 160.0 mg/l |
| Container | Flora of Michigan |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4fe970e8-6b1a-4285-beca-59e12d2d8af2 |
| Harvard University Herbaria Barcode | 01628554 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium, Boston State College; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Haloragaceae |
| Determination | Myriophyllum verticillatum Linnaeus |
| Determined by | E. N. Nelson & R. W. Couch |
| Date Determined | 1984 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
