| Classification | Ephemeraceae: Micromitrium |
| Classification 1 | Ephemeraceae |
| Harvard University Herbaria Barcode(s) | 01091749 |
| Collector | H. S. Conard |
| Collector number | 39-301 |
| Country | United States of America |
| State | Iowa |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Iowa: Poweshiek County |
| Locality | Moore, ox-bow pond |
| Date Collected | 1939-10-14 |
| Substrate | on mud of dry pond |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3a59d877-999a-42d6-9dba-87a0db4acbee |
| Harvard University Herbaria Barcode | 01091749 |
| Herbarium | FH |
| Previous ownership | Gift of Anna Marie Murphy Reid |
| Family | Ephemeraceae |
| Determination | Micromitrium synoicum (James) Austin |
| Determination Remarks | [is filed under name] |
| Family | Ephemeraceae |
| Determination | Nanomitrium synoicum (James) Lindberg |
| Determination Remarks | [0] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
