| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00991284 |
| Collector | P. F. May |
| Collector number | 2211 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Dukes County: Edgartown |
| Locality | Katama Plains Conservation Area (Airport), Site 15 |
| Date Collected | 1994-11-03 |
| Elevation | 3 m |
| Habitat | sandy soil with shrubs |
| Container | Lichens of Katama Plain, MA |
| Substrate | [on rock, saxicolous]; on silicic pebbles |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e4095ba3-6511-498a-9183-e24e8fc49d8e |
| Harvard University Herbaria Barcode | 00991284 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Rhizocarpon concentricum (Davies) Beltramini |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | thallus KOH+ yellow in places; = R. obscuratum of report; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
