| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00991321 |
| Collector | P. F. May |
| Collector number | 4192 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Princeton |
| Locality | Wachusett Mountain State Reservation, Site 4 (Cogbill L3 and T4), slope between entrance gate and Down Summit Road, ca. |
| Georeference | 42° 29.5' N, 71° 53.0' W |
| Date Collected | 1998-04-14 |
| Elevation | 425 - 480 m |
| Habitat | top of boulder, NE-facing talus slope with scattered old-growth yellow birches [Betula alleghaniensis] |
| Container | Lichens of Wachusett Mountain |
| Substrate | [on rock, saxicolous]; on silicic rock |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6e1a8ffd-e356-4ecf-8f3a-a1108a4f6e27 |
| Harvard University Herbaria Barcode | 00991321 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Rhizocarpon rubescens Th. Fries |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | thallus K+ red, found with concentric rows of apothecia; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
