Agaricus litoralis

Agaricus litoralis, also known as the coastal mushroom, is a species of mushroom in the genus Agaricus.[2][3] It was first described by Wakefield and A. Pearson as Psalliota litoralis in 1946.[4]

Agaricus litoralis
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Agaricaceae
Genus: Agaricus
Species:
A. litoralis
Binomial name
Agaricus litoralis
Wakef. & A. Pearson (1951)
Synonyms[1][2]
  • Psalliota litoralis Wakef. & A. Pearson (1946)
  • Psalliota spissa F. H. Møller (1950)
  • Agaricus spissicaulis F. H. Møller (1950)
Agaricus litoralis
float
Mycological characteristics
gills on hymenium
cap is convex or umbilicate
stipe has a ring
spore print is brown
ecology is saprotrophic

It occurs throughout Europe including Scandinavia and Great Britain. While it may be quite common locally, such as on Öland island, it is rarely found in most areas except for southern Europe. Its conservation status in Sweden is "near threatened".[5][3]

Description

A. litoralis is a white or grey-white mushroom with a compact cap that may reach a width of up to 12 centimetres (4.7 in). The cap is often depressed when older and rests of the annulus may occur on the outer rim. While rose-coloured at a young age, the gills become dark brown as the mushroom grows older. The stem is 5–6 centimetres (2.0–2.4 in) tall and 1.5–2 centimetres (0.59–0.79 in) wide. It is often remarkably shorter than the cap is wide. The spores are dark brown and egg-shaped. The mushroom is saprotrophic, i.e. it feeds on decaying matter. It prefers herbaceous dry grasslands, heaths and steppe.[5]

gollark: Ah.
gollark: I assume the πs are there so that `cos` gives a nice result if the thingy has ~~41~~ 47 and 43 as factors somehow?
gollark: Um. *How* do you actually solve that?
gollark: That's annoying to pronounce.
gollark: Arguably, this is just "a geometric sequence plus a constant".

References
  1. A. spissicaulis in MycoBank.
  2. A. litoralis in MycoBank.
  3. "Agaricus litoralis: Coastal Mushoom [sic!]". NBN Atlas. National Biodiversity Network. Retrieved 3 February 2019.
  4. Pearson, A.A. (1946). "New records and observations. III". Transactions of the British Mycological Society. 29 (4): 191–210. doi:10.1016/s0007-1536(46)80001-9.
  5. "Agaricus litoralis – Spetsfotad champinjon". Artfakta (in Swedish). Swedish University of Agricultural Sciences. Retrieved 3 February 2019.
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