| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 02074905 |
| Collector | R. M. Tryon & P. F. Tryon |
| Collector number | 4707 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Marquette County |
| Locality | Mountain Lake. Huron Mountains, 35 miles northwest of Marquette. |
| Date Collected | 1941-07-15 |
| Habitat | in 3 to 6 ft. of water. on the rocky, sandy and slightly mucky bottom. |
| Frequency | in 3 to 6 ft. of water. |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/871d4362-0db4-4b44-89b0-3c0e012d73f0 |
| Harvard University Herbaria Barcode | 02074905 |
| Herbarium | GH |
| Family | Isoetaceae |
| Determination | Isoetes macrospora Durieu |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
