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Zenodo
2025
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| Acceso en línea: | https://doi.org/10.5281/zenodo.18418287 |
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- <p><b><i>Corticimarasmius bambusicola</i> Y.P. Zhang & S.H. He, <i>sp. nov.</i> (Fig. 2)</b></p><p>MycoBank no.—MB857455.</p><p>Type:— CHINA, Yunnan Province, Pingbian County, Daweishan Forest Park, on dead bamboo, 12 November 2019, S.H. He, He 6211 (BJFC 033156, holotype).</p><p>Etymology:— “ <i>bambusicola</i> ” refers to the species growing on bamboo.</p><p>Fruiting body:— <i>Basidiomata</i> annual, resupinate, effused, closely adnate, inseparable from the substrate, membranaceous, first as small patches, later confluent up to 16 cm long, 2.5 cm wide, and 140 µm thick in section. <i>Hymenophore</i> smooth to pulverulent, grayish yellow (4B3–4B4) to grayish orange (5B4), turning black in KOH, uncracked; margin thinning out, adnate, indistinct, white or paler than hymenophore; <i>context</i> white to pale cream.</p><p>Microscopic structures:— <i>Hyphal system</i> dimitic; <i>generative hyphae</i> bearing clamp connections. <i>Subiculum</i> thin; <i>generative hyphae</i> colorless, thin- to slightly thick-walled, smooth, interwoven, more or less parallel to the substrate, moderately branched and septate, 2–3 µm in diam.; <i>skeletal-like hyphae</i> abundant, colorless to pale yellow, distinctly thick-walled, smooth, rarely branched, aseptate, 0.5–1 µm in diam. <i>Subhymenium</i> thickening, a dense, often partially agglutinated tissue of hyphae and embedded cystidia; hyphae in this layer similar to those in subiculum. <i>Hymenium</i> composed of a dense palisade of cystidia, hyphidia and basidia. <i>Gloeocystidia</i> of two different shapes: (1) subfusiform, with acute apices, abundant, colorless, thin-walled, with homogeneous contents, embedded or slightly projecting beyond the hymenium, 25–36 × 4–6 µm; (2) clavate to subcylindrical, with a distinct papilla, abundant, colorless, thin-walled, with homogeneous contents, embedded, 26–38 × 4–7 µm. <i>Hyphidia</i> colorless, thin-walled, with few protrusions, sparsely branched, 1–2 µm in diam. <i>Basidia</i> subclavate to subcylindrical, colorless, thin-walled, smooth, with four sterigmata and a basal clamp connection, 25–30 × 5–6 µm. <i>Basidiospores</i> subfusiform to subcylindrical, with an apiculus, colorless, thin-walled, smooth, often two to four in groups, IKI–, CB –, (7–) 8–10 (–12) × 2.5–3.5 (–4) µm, L= 9.3 µm, W = 3 µm, Q = 3.1–3.2 (n = 60/2).</p><p>Additional specimens examined:— CHINA, Hubei Province, Wufeng County, Houhe Nature Reserve, on dead bamboo, 16 August 2017, S.H. He, He 5076 (BJFC 024594); He 5077 (BJFC 024595); He 5080 (BJFC 024598) & He 5083 (BJFC 024601).</p><p>Habitat:—So far, found in central and southwestern China on dead bamboo.</p>