Pycnoporus P. Karsten (1881: 18), nom. cons. ≡ Xylometron Paulet (1808: 29) – Type: Pycnoporus cinnabarinus (Jacq.: Fr.) P. Karsten (1881: 18) ≡ Boletus cinnabarinus Jacquin (1776: 2) ≡ Polyporus cinnabarinus (Jacq.) Fries (1821: 371), nom. sanct. Etymology:— Not explained by Karsten. Named in relation to the small pores of the hymenophore. The name comes from the Greek “ pycnós ” which means compact, dense, very close together; and “ póros ” (from the Latin porus), with respect to pores, path, way.

Published as part of Gurgel, Rafaela Araújo F., Carvalho, Catarina S., Ishikawa, Noemia K. & Cabral, Tiara S., 2023, Nomenclatural review and history of Pycnoporus (Polyporaceae): A widespread, bright-reddish genus in Basidiomycota, pp. 296-300 in Phytotaxa 589 (3) on page 297, DOI: 10.11646/phytotaxa.589.3.10, http://zenodo.org/record/7776924