| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00991292 |
| Collector | P. F. May |
| Collector number | 5337 |
| 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 Everett, 100-175 m SE of summit tower inside sharp bend in Appalachian trail |
| Georeference | 42° 06' N, 73° 26' W NAD83 |
| Date Collected | 2000-07-24 |
| Elevation | 780 m |
| Habitat | schist ledges and mixed stands of Quercus ilicifolia, dwarf Pinus rigida, Quercus rubra, and Kalmia latifolia |
| Container | Lichens of Mount Everett, MA |
| Substrate | [on rock, saxicolous]; Saxicolous, on silicic rock |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c44f37fc-6845-412a-be49-790dbd045dd2 |
| Harvard University Herbaria Barcode | 00991292 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Rhizocarpon grande (Flörke ex Flotow) Arnold |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | medulla C+ pink, K+ yellow |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |