| Classification | Lichens: Punctelia | 
| Barcode(s) | 00991217 | 
| Collector | P. F. May | 
| Collector number | 471-3 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Florida | 
| Locality | Mohawk Trail State Forest, Old Growth Area 5-3, S ridge of Clark Mountain, 0.35 km NNE of junction of Black Bk Rd and MA 2 | 
| Georeference | 42° 38.23' N, 72° 58.31' W NAD83  | 
| Date Collected | 2003-11-07 | 
| Elevation | 450 m | 
| Habitat | open hardwood-conifer forest, dominated by Quercus rubra | 
| Container | Lichens of Mohawk Trail State Forest | 
| Substrate | [on rock, saxicolous]; Saxicolous, on schist | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/eb6b3660-3f2e-42b7-b184-eea4a8f12970 | 
| Harvard University Herbaria Barcode | 00991217 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium of Philip F. May | 
| Determination |  Punctelia rudecta (Acharius) Krog | 
| Determined by | May, Philip F. | 
| Determination Remarks |  [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |