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Josep Torres
Josep Torres

Phloeomana minutula

(Sacc.) Redhead

Microscopía de Phloeomana minutula

Study description

A fairly common species occurring on decaying mossy trunks and wood of broadleaved trees, formerly known as Mycena olida, with a campanulate to convex pileus 5 to 14 mm across, pale yellowish-brown to whitish, white lamellae adnate to slightly decurrent with a tooth, and a cylindrical white stipe becoming pale yellowish-brown with age.

Pileipellis with a superficial layer of smooth, hyaline hyphae arranged in parallel, 3 to 5 µm wide, lacking or with very sparse excrescences.

Stipitipellis composed of parallel hyphae 2 to 4.5 µm wide, septate with simple septa (clampless).

Caulocystidia present, particularly at the stipe apex, very irregular, flexuous, nodulose, 15 to 50 µm long and 4 to 9 µm wide.

Cheilocystidia subcylindrical to slightly fusiform, sinuous, 35 to 85 µm long and 7 to 11 µm wide.

In some collections, scattered pleurocystidia of similar morphology and dimensions to the cheilocystidia are observed.

Basidia clavate, 25 to 30 µm long, 6 to 7 µm wide, simple-septate at the base, 2-spored.

Spores ovoid to amygdaliform, smooth, hyaline, thin-walled, 6.5 to 7.5 µm long, 4.4 to 5.5 µm wide, with a hyaline apiculus at one end, containing guttules of varying sizes, inamyloid in Melzer's reagent.

Geographic references

Map generated from global occurrence data from GBIF. GBIF.

Study measurements

Values in Microns (µm)
cheilocystidiaN=18
Length57.4028.37 - 91.89
Width8.506.52 - 10.55
Q (Me)6.703.74 - 9.65
sporesN=36
Length6.806.16 - 7.31
Width4.854.16 - 5.59
Q (Me)1.401.24 - 1.75

Macroscopic gallery

Phloeomana minutula - 1 - IMG_5264
1 / 8Phloeomana minutula - 1 - IMG_5264

Microscopic gallery

Microscopía de Phloeomana minutula - 10 - Queilocistidios-003
1 / 31Phloeomana minutula - 10 - Queilocistidios-003
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