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Josep Torres
Josep Torres

Vararia ochroleuca

(Bourdot & Galzin) Donk

Microscopía de Vararia ochroleuca

Study description

On decaying wood or plant debris on the ground, with completely resupinate basidiomes, easily separable from the substrate, 0.5 to 2 mm thick, pale yellow to cream, pruinose in appearance, with a whitish, diffuse growing margin.

Generative hyphae at the base of the subiculum cylindrical, hyaline, thin-walled, arranged horizontally and parallel, 1.5 to 3.5 µm wide, septate with simple septa (without clamp connections).

Numerous dichohyphae (hyphae with dichotomous branching) in the hymenium, thick-walled (with walls up to 0.8 µm thick), with brown pigment inside, 1.5 to 3.5 µm wide.

Gloeocystidia not observed; according to literature scattered, deeply immersed in the hymenium, ventricose to lageniform, 25 to 50 µm long by 7 to 17 µm wide.

Basidia cylindric-utriform, 15 to 19 µm long by 3 to 4 µm wide, and with two or four sterigmata (bi- or tetrasporic).

Spores ovoid, smooth, hyaline, thin-walled, with a distinct apiculus at one end, 3.5 to 4.5 µm long by 2.5 to 3.3 µm wide, with a homogeneous interior, very scarce granular content, and inamyloid in Melzer's reagent.

Geographic references

Map generated from global occurrence data from GBIF. GBIF.

Study measurements

Values in Microns (µm)
sporesN=20
Length3.603.20 - 4.13
Width2.772.45 - 3.33
Q (Me)1.301.21 - 1.46

Macroscopic gallery

Vararia ochroleuca - 1 - IMG_0960
1 / 7Vararia ochroleuca - 1 - IMG_0960

Microscopic gallery

Microscopía de Vararia ochroleuca - 10 - Hifas Melzer 1
1 / 14Vararia ochroleuca - 10 - Hifas Melzer 1
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