| Classification | Parmeliaceae: Usnea |
| Barcode(s) | 00991537 |
| Collector | P. F. May |
| Collector number | 496-27 |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Washington County: Steuben |
| Locality | Humboldt Field Research Institute, near Red Trail about 100 m from parking lot |
| Georeference | 44.4596° N, 67.9312° W NAD83 |
| Date Collected | 2005-07-22 |
| Elevation | 60 m |
| Habitat | fallen from canopy; near Red Trail about 100 m from parking lot |
| Container | Lichens of Eagle Hill, ME, and vicinity |
| Substrate | [on bark, corticolous]; Corticolous, on conifer |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee41b07d-f5bf-483c-b879-aed299d65aeb |
| Harvard University Herbaria Barcode | 00991537 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Parmeliaceae |
| Determination | Usnea dasopoga (Acharius) Nylander |
| Determination Remarks | [filed under] [current name] |
| Family | Parmeliaceae |
| Determination | Usnea filipendula Stirton |
| Determined by | Clerc, Philippe |
| Annotation Text | Vidi |
| Family | Parmeliaceae |
| Determination | Usnea rubicunda Stirton |
| Determined by | May, Philip F. |
| Determination Remarks | [label name] |
| Annotation Text | medulla K+ yellow turning red; [TLC (230-C,G): salazinic acid, zeorin (Tr.)]; Usnic acid, salazinic acid. TLC slide #H41, plate #H3. Scott LaGreca, September 2005 |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |