| Classification | Lichens: Pyrenula | 
| Harvard University Herbaria Barcode(s) | 00475860 | 
| Collector | C. C. Plitt | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Baltimore County | 
| Locality | [no additional data] | 
| Date Collected | 1906-11-20 | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/29fe8f1c-2623-4130-8080-22937ad9ba0c | 
| Harvard University Herbaria Barcode | 00475860 | 
| Herbarium | FH | 
| Determination | Pyrenula subelliptica (Tuckerman) R. C. Harris | 
| Determination Remarks | [filed under] [current name] | 
| Determination | Pyrenula imperfecta (Ellis & Everhart) R. C. Harris | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |