| Classification | Ephemeraceae: Ephemerum |
| Harvard University Herbaria Barcode(s) | 00797164 |
| Collector | [no data available] |
| Country | United States of America |
| State | Louisiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana |
| Locality | [no additional data] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d3d84ade-9f06-4616-b16b-fbdab1203fa5 |
| Harvard University Herbaria Barcode | 00797164 |
| Herbarium | FH |
| Family | Ephemeraceae |
| Determination | Ephemerum serratum var. angustifolium (Bruch & Schimper) Bruch & Schimper |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |