| Classification | Lecanoraceae: Lecanora | 
| Harvard University Herbaria Barcode(s) | 00389625 | 
| Collector | E. Lay | 
| Collector number | 01-0354 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Norfolk County: Weymouth | 
| Locality | Boston Harbor Islands, Slate Island, 12 acres, 17 century slate quarry remains; site# 01-020 | 
| Date Collected | 2001-05-25 | 
| Habitat | slate ledges | 
| Container | Lichens of Massachusetts, USA | 
| Substrate | saxicolous [on rock] slate | 
| Project | Lichen and Bryophyte TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/04a39552-1418-48b5-b424-3998fb9912da | 
| Harvard University Herbaria Barcode | 00389625 | 
| Herbarium | FH | 
| Family | Lecanoraceae | 
| Determination | Lecanora helicopis (Wahlenberg ex Acharius) Acharius | 
| Determined by | Śliwa, Lucyna | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |