| Classification | Ephemeraceae: Ephemerum |
| Harvard University Herbaria Barcode(s) | 00797122 |
| Collector | E. A. Rau |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | [data not captured] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cef9940b-57ab-4a3a-ad66-ba7cc8d5d705 |
| Harvard University Herbaria Barcode | 00797122 |
| Herbarium | FH |
| Family | Ephemeraceae |
| Determination | Ephemerum crassinervium (Schwägrichen) Hampe |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
