| Classification | Fungi: Ascomycota: Lecanoromycetes: Lecanorales: Psilolechia |
| Barcode(s) | 00991203 |
| Collector | P. F. May |
| Collector number | 2942 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Concord/Carlisle, Estabrook Woods, rockwalls along Old Estabrook Road |
| Date Collected | 1995-10-30 |
| Elevation | 30 m |
| Habitat | east-facing wall, mixed, mainly deciduous second-growth forest |
| Container | Lichens of Massachusetts |
| Substrate | [on rock, saxicolous]; on granite |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b9d6d5e2-b76b-4af0-b9f5-858da1f1015c |
| Harvard University Herbaria Barcode | 00991203 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Psilolechia lucida (Acharius) M. Choisy |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | TLC [(38-A)]: rhizocarpic acid and accessories, very faint atranorin (a contaminant?) |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
