| Classification | Ephemeraceae: Ephemerum | 
| Harvard University Herbaria Barcode(s) | 00797154 | 
| Collector | E. G. Fisher | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Carroll County | 
| Locality | [data not captured] | 
| Date Collected | 1963-10-30 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/867e5910-51a3-4685-951d-5b4dbcb03b16 | 
| Harvard University Herbaria Barcode | 00797154 | 
| Herbarium | FH | 
| Family | Ephemeraceae | 
| Determination | Ephemerum serratum (Schreber ex Hedwig) Hampe | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |