| Classification | Ephemeraceae: Ephemerum |
| Harvard University Herbaria Barcode(s) | 00797135 |
| Collector | [no data available] |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Saint Louis County: Saint Louis (Missouri) |
| Locality | [data not captured] |
| Project | Lichen and Bryophyte TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d7b9c326-b5c4-4176-af55-577297a8b19e |
| Harvard University Herbaria Barcode | 00797135 |
| 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 |
