| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 00991005 |
| Collector | P. F. May |
| Collector number | 5752 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County |
| Locality | Princeton & Westminster, Wachusett Mountain State Reservation, Site 17 (Choiniere Area "C"), "balds" ca 100 m WSW of lowest intersection of Westside Trail with Up Summit Rd |
| Georeference | 42° 29.59' N, 71° 54.01' W |
| Date Collected | 2001-06-26 - 2001-06-30 |
| Elevation | 515 m |
| Habitat | open ledgy meadow and surrouding 10 m of red oak [Quercus rubra] forest |
| Container | Lichens of Wachusett Mountain |
| Substrate | [on bark, corticolous]; Corticolous, on Sorbus americana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/63acae7b-6af9-42ac-934e-10ec59c24b83 |
| Harvard University Herbaria Barcode | 00991005 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Pertusariaceae |
| Determination | Pertusaria trachythallina Erichsen |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | spores 2, medulla K+ deep yellow; TLC (211-G): thamnolic acid, 3 terpenoids; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
