| Classification | Fungi: Ascomycota: Graphidaceae: Medusulina | 
| Barcode(s) | 00453621 | 
| Collector | W. W. Calkins | 
| Country | United States of America | 
| State | Florida | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Florida: Duval County: Jacksonville | 
| Locality | [no additional data] | 
| Date Collected | 1888 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8dc9c9e3-ea79-4004-a09e-27251eeec62c | 
| Harvard University Herbaria Barcode | 00453621 | 
| Herbarium | FH | 
| Family | Graphidaceae | 
| Determination |  Medusulina nitida (Eschweiler) Müller Arg. | 
| Determined by | Tucker, Shirley Cotter | 
| Date Determined | 2019 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |