Amanita friabilis

Photo: Soren Guten

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Description

General: Small fleshy agaric; solitary or scattered, on soil; with alders.
Dimensions: Cap 1-6cm dia; stem 4-12cm tall x 0.6-1.5cm dia.
Cap: Grey-brown or sepia with tomentose volval vestiges, striate at the margin; at first plano- convex then flattened or slightly depressed with age. Flesh white, thin and firm.
Gills: White, free, crowded.
Stem: Very pallid greyish-brown sometimes with 'adder' patterning; more or less equal but with bulbous base without volval remnants; ring absent.
Spores: Hyaline, smooth, broadly ellipsoid, non-amyloid, with droplets, 9.5-14.0 x 7.0-10.5 µm. Basidia 4 spored.
Odour: Not distinctive.
Taste: Not distinctive. Inedible, probably poisonous.
Chemical Tests: None.
Occurrence: Autumn.

 

Qualifying criterion: 4.1: flagship species of a threatened or declining habitat
Justification: very rare European endemic species associated with alder carrs. These habitats are in decline and subject to a variety of threats
Threats: drainage, eutrophication; planting of other trees e.g. poplar
Action Required: Site protection and monitoring against habitat loss and degradation

 

Statistics:

UK (excluding NI & CI) fungus records

Total records: 6

Earliest recording: 1957
Latest recording: 2001
Vice Counties and (frequency): 3(1); 15(1);16(1); 27(1); 35(1); 49(1); 60(1); 88(1) ):
Pre-1960: 1 records
NBN Gateway grid map Post-1960: 7 records