| Classification | Lichens: Umbilicaria |
| Harvard University Herbaria Barcode(s) | 00991524 |
| Collector | P. F. May |
| Collector number | 5910 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Mineral County: Creede: North Creede |
| Locality | West Willow Creek near Commodore Tunnel, FR 503, 300 m N of FR 502 |
| Date Collected | 2001-07-26 |
| Elevation | 2730 m |
| Habitat | base of the cliff, enriched by road dust |
| Container | Lichens of Colorado |
| Substrate | [on rock, saxicolous]; Saxicolous, on silicic rock |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/382e016e-5621-4b4f-89f1-1c17cd9b6852 |
| Harvard University Herbaria Barcode | 00991524 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Philip F. May |
| Determination | Umbilicaria krascheninnikovii (Savicz) Zahlbruckner |
| Determined by | May, Philip F. |
| Determination Remarks | [is label name] |
| Determination | Umbilicaria polaris (Scholander) Zahlbruckner |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
