''Arrhenia'' is a genus of fungi in the family

Hygrophoraceae The Hygrophoraceae are a family of fungi in the order Agaricales. Originally conceived as containing white-spored, thick-gilled agarics (gilled mushrooms), including ''Hygrophorus'' and ''Hygrocybe'' species (the waxcaps or waxy caps), DNA evide ...

. ''Arrhenia'' also includes species formerly placed in the genera ''Leptoglossum'' and ''Phaeotellus'' and the lectotype species itself has an unusual growth form that would not normally be called agaricoid. All of the species grow in association with photosynthetic cryptogams such as

moss Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta (''sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hor ...

es, including peat moss, and alga scums on decaying wood, and soil crusts consisting of mixes of such organisms. Typically the fruitbodies of ''Arrhenia'' species are grey to black or blackish brown, being pigmented by incrusting

melanized Melanin (; from el, μέλας, melas, black, dark) is a broad term for a group of natural pigments found in most organisms. Eumelanin is produced through a multistage chemical process known as melanogenesis, where the oxidation of the amino ...

pigments on the

hypha A hypha (; ) is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium. Structure A hypha consists of one or ...

Etymology

''Arrhenia'' was named for the Swedish

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

Johan Peter Arrhenius.

Species

, Index Fungorum accepts 50 species of ''Arrhenia'': *'' A. acerosa'' (Fr.) Kühner 1980 – Europe *'' A. alnetorum'' (Singer) Redhead 1984 *'' A. andina'' (Corner) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. antarctica'' (Singer) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Antarctica; South Georgia *'' A. auriscalpium'' (Fr.) Fr. 1849 – Antarctica *'' A. australis'' (Cleland) Grgur. 1997 *'' A. baeospora'' (Singer) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. chilensis'' (Mont.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. chlorocyanea'' (Pat.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe; North America *'' A. cupuliformis'' Henn. 1895 *'' A. discorosea'' (Pilát) Zvyagina, Alexandrova & Bulyonkova 2015 *'' A. eburnea'' Barrasa & V.J.Rico 2003 *'' A. elegans'' (Pers.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. epichysium'' (Pers.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. fissa'' (Leyss.) Redhead 1984 *'' A. glauca'' (Batsch) Bon & Courtec. 1987 *'' A. griseopallida'' (Desm.) Watling 1989 – Great Britain *'' A. hohensis'' (A.H.Sm.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. latispora'' (J.Favre) Bon & Courtec. 1987 *'' A. lobata'' (Pers.) Kühner & Lamoure ex Redhead 1984 – Europe *'' A. lundellii'' (Pilát) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. luteopallida'' (Kuyper & Hauskn.) Barrasa & V.J.Rico 2003 *'' A. obatra'' (J.Favre) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe *'' A. obscurata'' (D.A.Reid) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. omnivora'' (Agerer) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Antarctica *'' A. onisca'' (Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe *'' A. parvivelutina'' (Clémençon & Irlet) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. pauxilla'' (Clémençon) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. peltigerina'' (Peck) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. philonotis'' (Lasch) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. pubescentipes'' (H.E.Bigelow) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. rainierensis'' (H.E.Bigelow) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. retiruga'' (Bull.) Redhead 1984 – Europe *'' A. rickenii'' (Hora) Watling 1989 – Europe *'' A. rigidipes'' (Lamoure) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. rustica'' (Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe *'' A. salina'' (Høil.) Bon & Courtec. 1987 *'' A. spathulata'' (Fr.) Redhead 1984 – Europe *'' A. sphaerospora'' (Lamoure) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. sphagnicola'' (Berk.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe *'' A. stercoraria'' (Barrasa, Esteve-Rav. & Sánchez Nieto) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. subandina'' (Singer) P.M.Kirk 2014 *'' A. subglobispora'' (G.Moreno, Heykoop & E.Horak) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. subobscura'' (Singer) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. tabaresiana'' (Vila & Llimona) Vila 2009 *'' A. trigonospora'' (Lamoure) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. umbratillis'' (Fr.) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. velutipes'' (P.D.Orton) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain *'' A. violaceoviridis'' (Courtec.) Courtec. 2008 *'' A. viridimammata'' (Pilát) Redhead, Lutzoni, Moncalvo & Vilgalys 2002 *'' A. volkertii'' (Murrill) Redhead, Lutzoni, Moncalvo & Vilgalys 2002

References

External links

''A. auriscalpium''''A. epichysium'' labelled ''Omphalina epichysium''''A. lobata''''A. rickenii''''A. spathulata''
{{Taxonbar, from=Q356413 Agaricales genera Lichen genera Hygrophoraceae Taxa named by Elias Magnus Fries Taxa described in 1849

Etymology

Species

See also

References

External links