| Classification | Parmeliaceae: Usnea |
| Barcode(s) | 00991588 |
| Collector | P. F. May |
| Collector number | 496-26 |
| 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/0a8ef6d3-2271-4b2c-859e-6df4f805e7ef |
| Harvard University Herbaria Barcode | 00991588 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Parmeliaceae |
| Determination | Usnea subscabrosa Motyka |
| Determined by | Clerc, Philippe |
| Date Determined | 2003 |
| Determination Remarks | [filed under] [label name] [current name] |
| Annotation Text | base pale with orange tint, cortex thick and glassy, protocetraric acid by TLC; TLC (225-C): protocetraric acid, usnic acid; [TLC (227-G): fumarprotocetraric acid, norstictic acid, usnic acid, diffractaic acid]; TLC (234-G,C): succinprotocetraric acid, fumarprotocetraric acid, usnic acid |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |