Athelia arachnoidea

Athelia arachnoidea
	Athelia arachnoidea growing on Thuja orientalis in Lasi, Romania
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Atheliales
Family:	Atheliaceae
Genus:	Athelia
Species:	A. arachnoidea
Binomial name
	Athelia arachnoidea; (Berk.) Jülich, (1972)
Synonyms
	Corticium arachnoideum Berk.; Terana arachnoidea (Berk.) Kuntze; Athelia epiphylla var. arachnoidea (Berk.) Krieglst.; Hypochnus bisporus J. Schröt.; Corticium bisporum (J. Schröt.) Bourdot & Galzin; Corticium centrifugum subsp. bisporum (J. Schröt.) Bourdot & Galzin; Athelia bispora (J. Schröt.) Donk; Rhizoctonia carotae Rader (anamorph); Fibularhizoctonia carotae (Rader) G.C. Adams, & Kropp (anamorph);

Athelia arachnoidea is a corticioid fungus in the family Atheliaceae. The species forms thin, white, cobwebby basidiocarps (fruit bodies) and typically occurs saprotrophically on leaf litter and fallen wood. It can, however, also be a facultative parasite of lichens and can additionally be a plant pathogen (typically found in its asexual Fibularhizoctonia carotae state), causing "crater rot" of stored carrots.

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