| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 00991004 |
| Collector | P. F. May |
| Collector number | 497-3 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Princeton |
| Locality | Wachusett Mountain State Reservation, Site 2A (Cogbill B1), steep slope above Up Summit Road, ca. 300 m NW of summit, ca. |
| Georeference | 42° 29' N, 71° 53' W |
| Date Collected | 2005-09-03 |
| Elevation | 560 - 580 m |
| Habitat | mixed hardwood forest dominated by Quercus rubra |
| Container | Lichens of Wachusett Mountain |
| Substrate | [on bark, corticolous]; Corticolous, on Quercus rubra |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c2107abc-fcde-49bd-af15-8341b59000af |
| Harvard University Herbaria Barcode | 00991004 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Pertusariaceae |
| Determination | Pertusaria trachythallina Erichsen |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | imm. asci present; TLC (228-G): thamnolic acid, elatinic acid (tr.); [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
