Two new Fomitopsis species from southern China based on morphological and molecular characters

Fomitopsis cana sp. nov. and F. subtropica sp. nov. are described from southern China based on morphological and molecular characters. Both species have annual, effused-reflexed basidiomata with several small imbricate pilei protruding from a large resupinate part. F. cana is characterized by its mouse-grey to dark grey basidiomata, pores 5-8 per mm, and small cylindrical to oblong-ellipsoid basidiospores (5-6.2 x 2.1-3 mu m). F. subtropica is characterized by its white, cream, straw-yellow to more or less flesh-pink basidiomata which was easily separable from the substrate, smaller pores (6-9 per mm) and smaller basidiospores (3.2-4 x 1.8-2.1 mu m), and presence of yellowish oil-like substances in trama. Phylogenetic analysis based on combined ITS and nLSU sequences suggest that the two new species belong in the Fomitopsis sensu stricto group within the Antrodia clade.