| Classification | Lichens: Rhizocarpon |
| Barcode(s) | 00991313 |
| Collector | P. F. May |
| Collector number | 5790 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County |
| Locality | Princeton & Westminster, Wachusett Mountain State Reservation, Site 17 (Choiniere Area "C"), "balds" ca 100 m WSE of lowest intersection of Westside Trail with Up Summit Rd |
| Georeference | 42° 29.59' N, 71° 54.01' W |
| Date Collected | 2001-06-26 |
| Elevation | 515 m |
| Habitat | immersed in soil, open ledgy meadow and surrounding 10 m of red oak [Quercus rubrum] forest |
| Container | Lichens of Wachusett Mountain |
| Substrate | [on rock, saxicolous]; on silicic cobble |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/42d5d1e6-fae9-4c37-ba3f-4ad8277bfbf4 |
| Harvard University Herbaria Barcode | 00991313 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Rhizocarpon reductum Th. Fries |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | TLC (166-C): mixed, norstictic agg, stictic agg, lobaric & atranorin (both traces); [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
