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Amanita arenicola

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Species of mushroom

Amanita arenicola
Conservation status

Endangered  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Amanitaceae
Genus: Amanita
Species: A. arenicola
Binomial name
Amanita arenicola
Orson K. Miller Jr.
Species of fungus
Amanita arenicolaView the Mycomorphbox template that generates the following listMycological characteristics
Gills on hymenium
Cap is depressed or infundibuliform
Hymenium is free
Stipe has a volva
Spore print is yellow
Ecology is mycorrhizal
Edibility is unknown

Amanita arenicola, commonly known as the beach-loving ringless amanita, is a species of mushroom-forming fungus in the family Amanitaceae. It is characterized by its gray cap, white stipe with wart-like protrusions, and affinity for sandy shores. Similar to A. vaginata, it lacks a ring on its stem. It can be found on America's Atlantic coastlines.

Taxonomy

Amanita arenicola was first described by mycologists Orson K. Miller Jr. and Jean D. Lodge in 2000, based on a series of specimens found along the coast of Puerto Rico and the Virgin Islands. They were placed in the Amanita sect. Vaginatae due to the absence of a partial veil and the plicate-striate margin present along the cap.

The specific epithet arenicola means 'beach' and 'dweller'. A. arenicola is commonly known as the 'beach-loving ringless amanita', due to its distinctive lack of a ring and its presence in coastal areas.

Description

The cap is initially convex, similarly to many other species of Amanita, and grows flatter until it eventually becomes strongly depressed or completely infundibuliform. One source describes fully grown specimens as "moist to sticky, sand covered, smooth, rab ray".

The basidiospores are described as 9-12.5 by 7-10 Îžm in size and "subglobose to broadly elliptic" in shape

Distribution and habitat

It is distributed along the Atlantic coastlines of the Americas. More recently, specimens have been confirmed throughout Southern Florida and Mexico.

As a mycorrhizal species, A. arenicola can usually be found growing around species of Coccoloba uvifera, particularly near the tropics.

Conservation

A. arenicola has been suggested to be an endangered species due to increases in sea level threatening its ecosystem.

See also

References

  1. ^ "Amanita arenicola". redlist.info. The Global Fungal Red List Initiative.
  2. ^ Miller, Orson K.; Lodge, D. Jean; Baroni, Timothy J. (May 2000). "New and interesting ectomycorrhizal fungi from Puerto Rico, Mona, and Guana Islands". Mycologia. 92 (3): 558–570. doi:10.1080/00275514.2000.12061193. JSTOR 3761516. S2CID 85085197. Retrieved 12 July 2023.
  3. ^ "Beach-loving Ringless Amanita (Amanita arenicola)". iNaturalist. Retrieved 12 July 2023.
Taxon identifiers
Amanita arenicola
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