Arrhenia
Arrhenia is a genus of fungi in the family Hygrophoraceae. 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 mosses, 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 pigments on the hyphae.Etymology
Arrhenia was named for the Swedish botanist Johan Peter Arrhenius.Species
, Index Fungorum accepts 50 species of Arrhenia:
- A. acerosa Kühner 1980 – Europe
- A. alnetorum Redhead 1984
- A. andina Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. antarctica Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Antarctica; South Georgia
- A. auriscalpium Fr. 1849 – Antarctica
- A. australis Grgur. 1997
- A. baeospora Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. chilensis Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. chlorocyanea Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe; North America
- A. cupuliformis Henn. 1895
- A. discorosea Zvyagina, Alexandrova & Bulyonkova 2015
- A. eburnea Barrasa & V.J.Rico 2003
- A. elegans Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. epichysium Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. fissa Redhead 1984
- A. glauca Bon & Courtec. 1987
- A. griseopallida Watling 1989 – Great Britain
- A. hohensis Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. latispora Bon & Courtec. 1987
- A. lobata Kühner & Lamoure ex Redhead 1984 – Europe
- A. lundellii Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. luteopallida Barrasa & V.J.Rico 2003
- A. obatra Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe
- A. obscurata Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. omnivora Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Antartica
- A. onisca Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe
- A. parvivelutina Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. pauxilla Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. peltigerina Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. philonotis Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. pubescentipes Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. rainierensis Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. retiruga Redhead 1984 – Europe
- A. rickenii Watling 1989 – Europe
- A. rigidipes Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. rustica Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe
- A. salina Bon & Courtec. 1987
- A. spathulata Redhead 1984 – Europe
- A. sphaerospora Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. sphagnicola Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Europe
- A. stercoraria Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. subandina P.M.Kirk 2014
- A. subglobispora Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. subobscura Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. tabaresiana Vila 2009
- A. trigonospora Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. umbratillis Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. velutipes Redhead, Lutzoni, Moncalvo & Vilgalys 2002 – Great Britain
- A. violaceoviridis Courtec. 2008
- A. viridimammata Redhead, Lutzoni, Moncalvo & Vilgalys 2002
- A. volkertii Redhead, Lutzoni, Moncalvo & Vilgalys 2002
