title: Xenasma
text: # Xenasma
  
  Xenasma is a genus of corticioid fungi in the order Polyporales. It was circumscribed by mycologist Marinus Anton Donk in 1957.
  
  ## Species
  
  * Xenasma aculeatum C.E.Gómez (1972) – Argentina
  * Xenasma amylosporum Parmasto (1968)
  * Xenasma longicystidiatum Boidin & Gilles (2000) – Réunion Island
  * Xenasma parvisporum Pouzar (1982)
  * Xenasma praeteritum (H.S.Jacks.) Donk (1957) – Cameroon; Jamaica; Puerto Rico
  * Xenasma pruinosum (Pat.) Donk (1957) – Great Britain
  * Xenasma pulverulentum (Litsch.) Donk (1957) – Dominican Republic; France; Great Britain; Jamaica; Netherlands
  * Xenasma rimicola (P.Karst.) Donk (1957) – Portugal; Taiwan
  * Xenasma subclematidis S.S.Rattan (1977) – Asia
  * Xenasma tulasnelloideum (Höhn. & Litsch.) Donk (1957) – Cameroon; Dominican Republic; Great Britain; Ontario; Portugal
  * Xenasma vassilievae Parmasto (1965) – Europe
  