Arwidssonia empetri
(Rehm) B. Erikss.
IMI 312725. Place of collection: Norway; Hedmark; Ratasjoehoei, 50 km west of Tynset (N62°17' E9°50'). Date of collection: 20 September 1985. Associated organism: Empetrum nigrum (leaf). Collector: Cannon, P.F.. Identifier: Cannon, P.F..