Search on : Taxa descriptions


Page number:106 
Remarks (public):The genus is here emended in the same sense as in Gilbertson and Ryvarden (1986) and includes species with a dimitic hyphal system, clamped generative hyphae, and which cause a brown rot in the attacked wood. The spores vary from allantoid to oblong-ellipsoid and are negative in Melzer's reagent. True cystidia are not present in the genus. It is of course impossible with the present knowledge to tell whether the species included here constitute a natural taxon or if convergent elements are present. This is the case with other genera of resupinate polypores as few characters are available for their delimitation and the concepts must be based partly on practical considerations. As it often may be difficult to decide the type of rot, especially in herbarium specimens with no wood present. the key also includes Diplomitoporus species with a white rot, but otherwise sharing the basic microscopical characters with Antrodia.
Antrodia albidoides David & Deq. and A. subalbidoides David & Deq. were described on the basis of differences in sexuality, one being homothallic, the other bipolar. see David and Dequatre 1985. Both are separated from A. albida by slightly narrower, uninucleate spores and distinctly tortuous skeletal hyphae.
We are uncertain as to whether the species were accepted by the authors as they were repeatedly referred to as "ultraspecies" in the text. This term is unknown in the International Code of Botanical Nomenclature and consequently has no rank within the taxonomic hierarchy. Further, it is a bit confusing as Antrodia albidoides on one page (David & Dequatre op. cit. p. 359) is called "sp. nov.". while on page 361 where the Latin diagnosis is given, it is called "nov. ultraspecies". Since this (illegitimate?) rank is used in the Latin description, we are forced to conclude that the new taxa unfortunately are not validly described on the specific level, but rather on an unspecified infraspecific level. Thus, they are not accepted in this flora on the specific level, but are treated under A. albida.
Description type:Non-original description 
Description:ANTRODIA Karst. - Medd. Soc. Fauna Fl. Fenn. 5:40. 1880.
Basidiocarps annual to perennial. resupinate to effused-reflexed. more rarely sessile and shelflike, mostly light coloured and tough to hard; hyphal system dimitic; generative hyphae with clamps; skeletal hyphae present. hyaline or slightly tinted in a few species, usually non-amyloid, variably amyloid in a few species; cystidia not present; small ventricose, fusoid cystidioles often present among the basidia; spores allantoid to oblong-ellipsoid, hyaline, thin-walled, smooth, negative in Melzer's reagent. Causing a brown rot, mostly in coniferous wood. Large cosmopolitan genus with many species. Type species: Daedalea Serpens Fr. (Daedalea albida Fr.).
Synonyms: Amyloporia Sing. (Polyporus calceus Fr. = Polyporus xanthus Fr.) Cartilosoma Kotl. & Pouz. (Trametes subsinuosa Bres.) - Fibroporia Parm. (Polyporus vaillantii Fr.).
Taxon name: