| Classification | Pyrenopsidaceae: Placynthium |
| Harvard University Herbaria Barcode(s) | 00991154 |
| Collector | P. F. May |
| Collector number | 2420 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Cheshire |
| Locality | unnamed abandoned lime quarry, Tuckerman Workshop Site 2, 400 m south of Curran Road |
| Georeference | 42° 33.29' N, 73° 11.70' W |
| Date Collected | 1995-05-04 |
| Elevation | 410 m |
| Habitat | small limestone quarry with extensive groundcover and scattered Pinus strobus, Betula, and Populus |
| Container | Lichens of Massachusetts |
| Substrate | [on rock, saxicolous]; on limestone |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/12d93997-570c-4736-b22d-8263edffc1e3 |
| Harvard University Herbaria Barcode | 00991154 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Pyrenopsidaceae |
| Determination | Placynthium nigrum (Hudson) Gray |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
