| Classification | Fungi: Ascomycota: Porpidiaceae: Porpidia |
| Harvard University Herbaria Barcode(s) | 00781631 |
| Collector | S. N. Messier & C. Mangels |
| Collector number | 21335 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Mount Washington |
| Locality | Mount Undine West Peak |
| Date Collected | 2021-10-21 |
| Verbatim Elevation | 2261 ft |
| Container | Bryophyte and Lichen Flora of the South Taconic Range |
| Substrate | on lightly shaded silicious rocks |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f29d900a-4917-4d47-bfda-690900cb737e |
| Harvard University Herbaria Barcode | 00781631 |
| Herbarium | FH |
| Family | Porpidiaceae |
| Determination | Porpidia crustulata (Acharius) Hertel & Knoph |
| Determined by | Messier, Steven N. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
