| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 01006949 |
| Collector | P. F. May |
| Collector number | 444-4 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Franklin County: Charlemont |
| Locality | Mohawk Trail State Forest, Todd Mountain, Old Growth Area 2-3, on slope just N and NE of summit |
| Georeference | 42° 38.83' N, 72° 56.56' W |
| Date Collected | 2003-09-10 |
| Elevation | 514 m |
| Habitat | forest dominated by Quercus rubra and Q. alba |
| Container | Lichens of Mohawk Trail State Forest |
| Substrate | [on bark, corticolous]; Corticolous, on Acer rubrum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/93bd4425-5cb7-4cd3-9499-33ed01f8ebff |
| Harvard University Herbaria Barcode | 01006949 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Pertusariaceae |
| Determination | Pertusaria amara (Acharius) Nylander |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
