| Classification | Marchantiaceae: Preissia | 
| Harvard University Herbaria Barcode(s) | 01146513 | 
| Collector | M. J. Leoschke | 
| Collector number | 2726 | 
| Country | United States of America | 
| State | Iowa | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Iowa: Delaware County | 
| Locality | Twin Bridges Park, limestone outcrop in a roadcut south of State Highway 3 | 
| Date Collected | 2008-05-20 | 
| Verbatim Elevation | 920 ft | 
| Substrate | limestone bedrock, thin mineral soil over limestone, or in moss | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7bd1e96d-d7a8-436f-9786-9f0e84b7f75c | 
| Harvard University Herbaria Barcode | 01146513 | 
| Herbarium | FH | 
| Family | Marchantiaceae | 
| Determination | Preissia quadrata (Scopoli) Nees | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |