| Classification | Pertusariaceae: Pertusaria |
| Harvard University Herbaria Barcode(s) | 01006968 |
| Collector | P. F. May |
| Collector number | 3303 |
| 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 1A (W end of Cogbill T1), ca. 150-200 m W of Ski Trail #5, above ledge, ca. |
| Georeference | 42° 29' N, 71° 53' W |
| Date Collected | 1997-07-08 |
| Elevation | 475 - 500 m |
| Habitat | old growth oak [Quercus]/northern-hardwood forest on steep (up to 45º) N-facing slope |
| Container | Lichens of Wachusett Mountain |
| Substrate | [on bark, corticolous]; on bark of Quercus rubra |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2edb2024-54e2-4d49-a5b7-93537ee998ba |
| Harvard University Herbaria Barcode | 01006968 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Pertusariaceae |
| Determination | Pertusaria macounii (I. M. Lamb) Dibben |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | UV deep orange, med P+, C-, K+ yel, cortex C-, KC-, spores 125-165; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |