| Harvard University Herbaria Barcode(s) | 00781578 | 
| Collector | S. N. Messier & C. Mangels | 
| Collector number | 21163 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Berkshire County: Mount Washington | 
| Locality | Mount Undine East Peak | 
| Date Collected | 2021-09-21 | 
| Verbatim Elevation | 2140 ft | 
| Container | Bryophyte and Lichen Flora of the South Taconic Range | 
| Substrate | v. common hemlocks, on old Quercus rubra | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2844332f-5c97-4795-b734-89807e503241 | 
| Harvard University Herbaria Barcode | 00781578 | 
| Herbarium | FH | 
| Determination | Lepraria caesiella R. C. Harris | 
| Determined by | Messier, Steven N. | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |