Conchomyces bursiformis

Conchomyces bursiformis

Conchomyces bursiformis is a gilled shelf-like fungus found in Australia
Grey gilled discs (Conchomyces bursiformis) An eerie grey glow and a smooth, velvety top. A short, eccentric stipe and very white, adnexed, close gills. 
About 50mm across. Very attractive young caps.
Growing from moss covered branch in a tall eucalyptus rain forest in a national park.
Also called C bursaeformis. Only two species in this genus. These differ from Crepidotus in having white gills and spores. 
Young caps are grey becoming pale fawn later. 
http://bie.ala.org.au/species/3d007674-3658-4e69-80ce-4fcf5f9ebb81#
http://bie.ala.org.au/species/d599af32-fcec-4897-b913-c72921b1b6bc#
http://eol.org/pages/11449464/overview
 Australia,Conchomyces bursiformis,Fall,Geotagged

Appearance

Small to medium disc-like caps starting out grey and slightly domed and later tan coloured and flatter; short very offset stipe; white close gills. Up to 40mm across.

Naming

Synonyms:
Agaricus bursiformis Berk.
Agaricus euphyllus Berk.
Agaricus guilfoylei Berk.
Agaricus imberbis Kalchbr.
Agaricus sordulentus Berk. & Broome
Pleurotus bursiformis (Berk.) Sacc.
Pleurotus guilfoylei (Berk.) Sacc.
Pleurotus imberbis (Kalchbr.) Sacc.
Pleurotus sordulentus (Berk. & Broome) Sacc.
Pleurotus euphyllus (Berk.) Sacc.
Dendrosarcus bursiformis (Berk.) Kuntze
Dendrosarcus guilfoylei (Berk.) Kuntze
Dendrosarcus imberbis (Kalchbr.) Kuntze
Dendrosarcus sordulentus (Berk. & Broome) Kuntze
Pleurotus colensoi Berk. ex Massee
Stereum dubium Lloyd
Conchomyces verrucisporus Overeem
Crepidotus sordulentus (Berk. & Broome) Killerm
Pleurotus dubius "(Lloyd) D.A.Reid"
Hohenbuehelia bursiformis (Berk.) D.A.Reid
Resupinatus sordulentus "(Berk. & Broome)
Hohenbuehelia dimorphocystis Singer

Distribution

Australia and New Zealand

References:

Some text fragments are auto parsed from Wikipedia.

http://bie.ala.org.au/species/3d007674-3658-4e69-80ce-4fcf5f9ebb81#
http://eol.org/pages/300148/overview
Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyTricholomataceae
GenusConchomyces
SpeciesConchomyces bursiformis
Photographed in
Australia