Tricholoma cingulatum: The Ultimate Mushroom Guide
About The Tricholoma cingulatum Mushroom
Tricholoma cingulatum is a mushroom of the agaric genus Tricholoma. It has a grey-brown cap with a distinct ring on the stem. Microscopically, it is unusual in having narrow oval spores, whereas most fungi in this genus have broader oval spores. This mycorrhizal mushroom is found with various kinds of willows, including Dwarf Willow in the slacks on some sand-dune systems.
Tricholoma cingulatum is recorded as edible in many field guides, but care is necessary to avoid confusion with any of the slightly poisonous greyish Tricholoma species that can cause stomach upsets.
Other names: Girdled Knight, Belted Trich, Girdled Trich, Girdled Tricholoma.
Tricholoma cingulatum Identification
Convex at first, expanding with a slight umbo; a pale grey or grey-brown, covered in fine grey-brown felty scales; initially roundish but often becoming irregular with a slightly wavy margin when mature; 3.5 to 6cm across.
White, emarginate; moderately spaced.
Whitish with a woolly or cottony ring; cylindrical; 5 to 8cm long, 8 to 12mm diameter.
Ellipsoidal, smooth, 5-6 x 2.5-3.5µm; inamyloid.
Odor and Taste
Taste and smell slightly mealy.
Habitat & Ecological Role
Mycorrhizal, nearly always found with willows; sometimes in dune slacks with Dwarf Willow.
Tricholoma sciodes is similar but does not have a stem ring.
Tricholoma cingulatum Taxonomy & Etymology
The basionym of this species dates from an 1830 publication in Linnaea by Elias Magnus Fries wherein Amfelt's binomial scientific name for this species was recorded as Agaricus cingulatus.
The currently-accepted scientific name Tricholoma cingulatum dates from an 1890 publication, wherein E. Jacobashch transferred this species to its present genus.
Synonyms of Tricholoma cingulatum include Tricholoma ramentaceum, Armillaria cingulata (Almfelt) Quél. and Agaricus cingulatus Almfelt ex Fr.
The generic name Tricholoma means 'with hairs on the edge', which refers to the rim of the mushroom and is true of only a tiny minority of species (the knights) in the Tricholoma genus.
The specific epithet cingulatum means 'with a girdle, belt or collar'.
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