| Classification | Parmeliaceae: Usnea | 
| Harvard University Herbaria Barcode(s) | 00079386 | 
| Collector | G. K. Merrill | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Knox County: Owls Head | 
| Date Collected | 1921-05-29 | 
| Habitat | On branches of Picea | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/88e88868-e405-4c0d-89a0-1e345cd7b2ad | 
| Harvard University Herbaria Barcode | 00079386 | 
| Herbarium | FH | 
| Family | Parmeliaceae | 
| Determination | Usnea chaetophora Stirton | 
| Determined by | P. Clerc (G) | 
| Date Determined | 2005 | 
| Determination Remarks | [current name] | 
| Family | Parmeliaceae | 
| Determination | Usnea dasopoga (Acharius) Nylander | 
| Determined by | J. Motyka | 
| Date Determined | 1932 | 
| Annotation Text | thallo fere eciliato | 
| Family | Parmeliaceae | 
| Determination | Usnea plicata (Linnaeus) Weber ex F. H. Wiggers | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |