| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00991304 |
| Collector | P. F. May |
| Collector number | 2916 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Concord/Carlisle, Estabrook Woods, old lime quarry just west of Old Estabrook Road |
| Date Collected | 1995-10-30 |
| Elevation | 30 m |
| Habitat | long-abandoned shallow trenches in mixed second-growth forest |
| Container | Lichens of Massachusetts |
| Substrate | [on rock, saxicolous]; on limestone |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/880eaf52-567e-4566-b172-7e3c89d66068 |
| Harvard University Herbaria Barcode | 00991304 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Compare Rhizocarpon hochstetteri (Körber) Vainio |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | K- strain; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
