''Amauroderma rude'' is a tough woody

mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is t ...

in the family

Ganodermataceae The Ganodermataceae are a family (biology), family of fungi in the order Polyporales. , Index Fungorum accepts 8 genus, genera and 300 species in the family. The family was circumscription (taxonomy), circumscribed by Dutch mycologist Marinus An ...

. A

polypore Polypores are a group of fungi that form large fruiting bodies with pores or tubes on the underside (see Delimitation for exceptions). They are a morphological group of basidiomycetes-like gilled mushrooms and hydnoid fungi, and not all polypor ...

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

, it is found in Eastern

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

, where it grows as a saprophyte on rotting, buried wood.

Etymology

''Amauroderma'' means "dark/dusky-skinned" (from ''amauro'', meaning "dark or dusky", and ''derma'', meaning "skin"). The second half of the

binomen In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

, ''rude'', means "robust".

Description

Fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...

have caps that are typically wide with alternating bands of light and dark brown rings. On the cap underside are small white to pale grey pores that initially turn red when bruised before turning black; this red-staining behaviour is unique in its

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

. The light to dark brown stipe measures long by thick.

References

rude Rudeness (also called effrontery) is a display of actual or perceived disrespect by not complying with the social norms or etiquette of a group or culture. These norms have been established as the essential boundaries of normally accepted beha ...

Fungi described in 1885 Fungi of Australia Taxa named by Miles Joseph Berkeley {{Polyporales-stub