Exsudoporus frostii [SEP] parent taxon
Exsudoporus frostii
Exsudoporus frostii (formerly Boletus frostii), commonly known as Frost's bolete or the apple bolete, is a bolete fungus first described scientifically in 1874. A member of the family Boletaceae, the mushrooms produced by the fungus have tubes and pores instead of gills on the underside of their caps. "Exsudoporus frostii" is distributed in the eastern United States from Maine to Georgia, and in the southwest from Arizona extending south to Mexico and Costa Rica. A mycorrhizal species, its fruit bodies are typically found growing
, is that the taxon belongs in "Exsudoporus".
"Exsudoporus floridanus" differs from "Exsudoporus frostii" in having a lighter cap color and in the texture of the cap surface: the subspecies is tomentose (covered with dense, short, soft, matted hairs) or velutinous (like velvet), compared to the relatively smooth surface of "E. frostii". Singer notes that although the physical characteristics between the two taxa may be blurred and are hard to define, the area of origin is a reliable