| Classification | Fungi: Ascomycota: Porpidiaceae: Porpidia |
| Harvard University Herbaria Barcode(s) | 00991172 |
| Collector | P. F. May |
| Collector number | 465-2 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Franklin County: Charlemont |
| Locality | Mohawk Trail State Forest, Old Growth Area 1-4, 0.1 km NE and due E of summit of Todd Mountain |
| Georeference | 42° 38.87' N, 72° 56.51' W NAD83 |
| Date Collected | 2003-10-20 |
| Elevation | 490 m |
| Habitat | mixed hardwood hemlock [Tsuga] forest with E-facing schist ledges |
| Container | Lichens of Mohawk Trail State Forest |
| Substrate | [on rock, saxicolous]; Saxicolous, on schist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fc21ca53-f8ed-4927-8242-c63373323a48 |
| Harvard University Herbaria Barcode | 00991172 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Porpidiaceae |
| Determination | Porpidia crustulata (Acharius) Hertel & Knoph |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | TLC (189-C): no substances; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
