Razor-strop fungus encountered by Veon arboriculturalists in Co. Westmeath.

  Fomitopsis betulina (syn. Piptoporus betulinus) — birch polypore (razor-strop fungus). Originally described as Boletus betulinus in the late 18th century, it went through several botanical placements (e.g., Polyporus betulinus) before falling under the genus Piptoporus for most of the 20th century. However, recent molecular phylogenetic studies (DNA-based cladistics) showed that Piptoporus as traditionally defined … Read more