Agaricales » Lyophyllaceae » Tricholomella

Tricholomella constricta

Tricholomella constricta (Fr.) Zerova ex Kalamees 1992, in Kalamees, Persoonia 14(4): 446 (1992)

Basionym: Agaricus leucocephalus Bull., Herb. Fr. (Paris) 12: pl. 536 (1792)

Diagnosis: Pileus pure white and pruinose when young, convex to convex-campanulate, then slightly brownish, yellowish or greyish at the centre, convex-plane to plane, sometimes with an obtuse umbo, silky, shiny, smooth, dry, 3-6 cm across. Lamellae white, sometimes with pinkish tinge, crowded, large, emarginate to almost free. Stipe white, dry, fibrillose-floccose when young, with narrow membranaceous quickly disappearing annulus at the apex, then fibrillose, smooth, cylindric or slightly tapered at the base, sometimes rooting, 2-5 x 1-1.5 cm. Veil white, membranaceous, quickly disappearing. Flesh white, thick, smell and taste strong mealy. Spore print white. Spores ellipsoid to oval, distinctly echinulate, large, 7-10 x 4-6 µm.

Index Fungorum Number: IF460569

 

Reference:

Kalamees, K. (1992). Tricholomella, a new genus, with the distribution data of Tricholomella constrictum, comb. nov. in east Europe and Asia. Persoonia-Molecular Phylogeny and Evolution of Fungi, 14(4), 445-447.

 

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Tricholomella constricta