| Classification | Haematommataceae: Haematomma | 
| Barcode(s) | 00852973 | 
| Collector | P. F. May | 
| Collector number | 1460 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Ulster County | 
| Locality | Deming, Catskill Mountains, Frost Valley YMCA Camp, High Falls and environs, within 1 km of County Road 47 | 
| Date Collected | 1994-05-16 | 
| Habitat | on sandstone, vertical face, shady mixed mesic to dry semi-open forest | 
| Container | Lichens of New York | 
| Substrate | on rock [saxicolous]; on sandstone | 
| Remarks | [almost certainly collected on the 1994 Tuckerman Lichen Workshop, see Evansia 33(1): 46-49 and Tuckermania 1: 1-3] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1ba14547-5cfe-4774-93b8-3ee5231a8961 | 
| Harvard University Herbaria Barcode | 00852973 | 
| Herbarium | FH | 
| Previous ownership | ex Herbarium of Philip F. May | 
| Family | Haematommataceae | 
| Determination | Compare Haematomma ochroleucum (Necker) J. R. Laundon | 
| Determined by | May, Philip F. | 
| Determination Remarks |  [filed under] [label name] [current name] | 
| Annotation Text | [P-]; TLC (33C, 34A-as 2519): usnic acid, atranorin, zeorin, ?triterpenoids | 
| Preparation Type | Packet | 
| Preparation Method | Dried |