| Classification | Parmeliaceae: Usnea |
| Harvard University Herbaria Barcode(s) | 00991560 |
| Collector | P. F. May |
| Collector number | 515-30 |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County |
| Locality | 11 km S of Jonesport, Great Wass Island Preserve, along Little Cape Point Trail between parking lot and Cape Cove |
| Georeference | 44.4725° N, 67.5707° W NAD83 |
| Date Collected | 2006-09-07 |
| Elevation | 2 - 15 m |
| Habitat | jack pine [Pinus banksiana] barrens over granite balds intermixed with boreal forest |
| Container | Lichens of Eagle Hill, ME, and vicinity |
| Substrate | [on bark, corticolous]; Corticolous, on Pinus banksiana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/367b0c8c-2973-46ad-99b8-c77c6ffe47a3 |
| Harvard University Herbaria Barcode | 00991560 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Parmeliaceae |
| Determination | Usnea silesiaca Motyka |
| Determined by | May, Philip F. |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | medulla K+ red |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
