Antrodiella semisupina (Berk. & M. A. Curtis) Ryvarden 1980

In Great Britain and/or Ireland:
Plant / epiphyte
fruitbody of Antrodiella semisupina grows on decayed wood of Alnus

Plant / epiphyte
fruitbody of Antrodiella semisupina grows on decayed wood of Betula

Plant / epiphyte
fruitbody of Antrodiella semisupina grows on decayed wood of Corylus

Plant / epiphyte
fruitbody of Antrodiella semisupina grows on decayed wood of Fraxinus

Plant / epiphyte
fruitbody of Antrodiella semisupina grows on decayed wood of Salix

Tyromyces semisupinus (Berk. & Curt.) Murrill
Polyporiis semisupinus Berk. & Curt. Grevillea 1 . 50. 1872.
Polyporus pachycheiles KHis & Kv. Proc. Acad. Phila. 1894:322. 1894. (Type from Newfield,
New Jersey.)
4
Pileus imbricate-cespitose, thin, rigid when dry, flabelliform, narrowly attached, sometimes with a short process resembling a stipe, 0.5-1 X 0.5-0.8 X 0.05-0.1 cm. ; surface white to flavous, partially dull-latericeous, cartilaginous, glabrous or ornamented with a few abnormal hydnoid processes, subzonate ; margin very thin, lobed, inflexed when dry: context very thin, white, horny and fragile when dry ; tubes short, minute, white, 2-3 mm. long, mouths angular, 4 to a mm., edges thin, dentate : spores smooth, hyaline.
Type locality : New England.
Habitat : Dead fallen trunks of maple, alder, and other deciduous trees.
Distribution: New England and New Jersey.