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Josep Torres
Josep Torres

Pholiotina dasypus

(Romagn.) P.-A.Moreau

Microscopía de Pholiotina dasypus

Study description

Species found on decaying woody debris in riparian woodlands, with conical to convex pilei retaining a central umbo, 1.5 to 3.5 cm in diameter, orange-brown, darker at the disc, radially translucent-striate, a white cylindrical stipe covered in whitish pruina, indistinct odour, and mild taste.

Pileipellis a hymeniderm of sphaeropedunculate, pyriform to clavate cells 35 to 50 µm long and 11 to 17 µm wide.

Stipitipellis hyphae cylindrical, hyaline, septate, 4 to 10 µm wide, with clamp connections.

Caulocystidia abundant, subcylindrical to clavate, some slightly capitate, arranged in tufts, large, 40 to 90 µm long and 8 to 20 µm wide.

Cheilocystidia cylindrical to clavate, very abundant, rendering the gill edge virtually sterile, 30 to 40 µm long and 7 to 11 µm wide.

Pleurocystidia absent.

Basidia clavate, 27 to 38 µm long, 7 to 9.5 µm wide, clamped at the base, 4-spored.

Spores ellipsoidal to subamygdaliform, thick-walled, apparently smooth to very minutely verruculose under high magnification, yellowish-brown under the microscope, 7 to 10 µm long, 4.5 to 5.5 µm wide, with an eccentric hyaline apiculus at one end, an apical germ pore at the opposite pole, non-reactive in Melzer's reagent.

Geographic references

Map generated from global occurrence data from GBIF. GBIF.

Study measurements

Values in Microns (µm)
sporesN=30
Length8.807.15 - 10.18
Width5.154.70 - 5.60
Q (Me)1.701.43 - 2.03

Macroscopic gallery

Pholiotina dasypus - 1 - IMG_6435
1 / 11Pholiotina dasypus - 1 - IMG_6435

Microscopic gallery

Microscopía de Pholiotina dasypus - 10 - Caulocistidios 1
1 / 23Pholiotina dasypus - 10 - Caulocistidios 1
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