| Classification | Parmeliaceae: Usnea |
| Harvard University Herbaria Barcode(s) | 00991557 |
| Collector | P. F. May |
| Collector number | 504-11 |
| Country | United States of America |
| State | Arkansas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arkansas: Pope County |
| Locality | between Sand Gap and Ben Hur, Ozark National Forest, Pedestal Rock, S of AR 16, 10 km S of AR 7 |
| Georeference | 35° 43' N, 93° 03' W NAD83 |
| Date Collected | 2005-10-14 |
| Elevation | 550 m |
| Habitat | eroded sandstone bluffs in oak [Quercus]-hickory [Carya] forest |
| Container | Lichens of the Ozark Highlands |
| Substrate | [on bark, corticolous]; Corticolous, on unknown tree |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0daf051c-242f-4c8b-abc9-c7bbb3e8840e |
| Harvard University Herbaria Barcode | 00991557 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Family | Parmeliaceae |
| Determination | Usnea mutabilis Stirton |
| Determined by | May, Philip F. |
| Determination Remarks | [is filed under name] [is label name] [is Current name] |
| Annotation Text | [TLC (235-C,G): divaricatic acid, nordivaricatic acid (minor); TLC (236-C,G): divaricatic acid]; TLC (237-C,G): usnic acid, fatty acids; [additional information in packet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
