]> FH barcode-00377873 United States of America Massachusetts Wachusett Mountain State Reservation, Study Site 6 ("South Talus"), ca 400 m SE of summit, between Down Summit Rd. and Loop Tr. Chaenotheca trichialis (Acharius) Hellbom (Acharius) Hellbom 2018-06-21 08:33:24 S. B. Selva