Echinoderma perplexum

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Echinoderma perplexum

11 September 2020 Hampshire. Photograph copyright Leif Goodwin

Synonymns

Lepiota perplexa

Cap

Convex, expanding, smooth, brown decorated with dark brown pyramidal warts, margin overhanging, to about 6 cm across

Gills

Free, broad, crowded, white to cream

Stem

Cylindrical, whitish at the apex, with the remains of a fragile white veil, fibrillose and brown below, sometimes hollow

Flesh

Firm, white

Smell

Unpleasant, like Lepiota cristata

Taste

Unpleasant

Season

Autumn

Distribution

Infrequent

Habitat

Usually in deciduous woodland, favouring beech and hazel

Spore Print

White

Microscopic Features

Spores ellipsoidal, smooth, dextrinoid (4.5-6.5) x (2.5-3) µm2. Gill edge cystidia club shaped, spindle shaped, bottle shaped or cylindrical.

Edibility

Avoid

Notes

This species looks like a smaller version of Echinoderm aspera, but it is microscopically quite distinct.

Additional Photographs

Echinoderma perplexum

Spores in Melzer's solution viewed with a x100 immersion objective. 11 September 2020 Hampshire. Photograph copyright Leif Goodwin

Echinoderma perplexum

Gill edge cystidia in Congo Red solution viewed with a x40 objective. 11 September 2020 Hampshire. Photograph copyright Leif Goodwin

Echinoderma perplexum

Pileipellis in Congo Red solution viewed with a x40 objective. 11 September 2020 Hampshire. Photograph copyright Leif Goodwin