Murrill, W.A. 1908. Polyporaceae, Part 2. North American Flora. 9(2):73-131
Page number : 119
Description type : Original description
Description : Ganoderma oregonense Murrill, sp. nov.
Pileus reniform, corky, rigid, convex above, plane below, 10X 17 X5 cm.; surface glabrous, thinly encrusted, smooth, laccate, very lustrous, bay to black, with a deep groove near the margin, which is cream-colored, rounded, smooth, entire, finely tomentose; context punky, white to slightly discolored, homogeneous, with white lines of mycelium near the stipe, 2-3.5 cm. thick; tubes annual, 1 cm. long, avellaneous within, mouths circular to angular, 3 to a mm., edges thin, entire, white to avellaneous; stipe lateral, very thick, short, subcylindrical, 2-4 cm. long, 3-6 cm. thick, expanding into the pileus, which it resembles in color, surface and context.
Type collected near Seaside, Oregon, on an old log of Picea sitchensis, during the summer of 1905, by an unknown collector.
Distribution; Known only from the type locality. http://www.mycobank.org/...