Spribille, Toby & Tor Tønsberg. Mycoblastus marginatus, a new synonym for M. affinis (Mycoblastaceae, lichenized Ascomycota). Mycotaxon 100: 105–107. 2007.

ABSTRACT: Mycoblastus marginatus was described in 1937 from a single specimen collected in southern Alaska and has not been reported since. The type material agrees morphologically and chemically with the widespread Mycoblastus affinis. We consider M. marginatus to be a synonym of the latter.

KEYWORDS: acetone insoluble pigment, crustose lichens, Pacific Northwest, planaic acid