| Classification | Lichens: Rhizocarpon |
| Harvard University Herbaria Barcode(s) | 00991323 |
| Collector | P. F. May |
| Collector number | 6126 |
| Country | United States of America |
| State | Wisconsin |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wisconsin: Lincoln County: Rock Falls |
| Locality | E side of Wisconsin River at Grandfather Dam |
| Georeference | 45° 18' 50" N, 89° 47' 02" W |
| Date Collected | 2002-04-27 |
| Elevation | 420 m |
| Habitat | gneiss boulders and mixed forest |
| Container | Lichens of Wisconsin |
| Substrate | [on rock, saxicolous]; on silicic rock |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0e597f69-031f-4e39-8e4a-8fdb3e4d9f01 |
| Harvard University Herbaria Barcode | 00991323 |
| 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 | medulla KOH+ red |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
