The Resupinate Aphyllophorales of the North Western Himalayas

Rattan, S. S.

doi:10.2307/3759346

Cited by 8 publications

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“…Remarks: Neohypochnicium perlongicystidiosum is primarily characterized by having grandinioid to odontoid hymenial surface and cylindrical, thick-walled cystidia measuring 75-493 × 7.5-14.5 µm. Neohypochnicium perlongicystidiosum is morphologically similar to H. longicystidiosum (S.S. Rattan) Hjortstam & Ryvarden (as Hyphodontia longicystidiosa S.S. Rattan; Rattan, 1977 ) and N. patagonicum in producing long cystidia. However, basidiospores of H. longicystidiosum are smooth and 4-5.5 × 4-4.5 µm ( Rattan, 1977 ), whereas N. perlongicystidiosum produces finely verrucose and larger basidiospores measuring (9-)10-12(-13.5) × (8.5-)9-11(-13) µm.…”

Section: Resultsmentioning

confidence: 82%

“…Neohypochnicium perlongicystidiosum is morphologically similar to H. longicystidiosum (S.S. Rattan) Hjortstam & Ryvarden (as Hyphodontia longicystidiosa S.S. Rattan; Rattan, 1977 ) and N. patagonicum in producing long cystidia. However, basidiospores of H. longicystidiosum are smooth and 4-5.5 × 4-4.5 µm ( Rattan, 1977 ), whereas N. perlongicystidiosum produces finely verrucose and larger basidiospores measuring (9-)10-12(-13.5) × (8.5-)9-11(-13) µm. Neohypochnicium patagonicum produces also morphologically similar cystidia measuring 100-250(-350) × 8-12 µm, but its basidiospores [8-10 × (7-)7.5-8.5 µm, Gorjón & Hallenberg (2013) ] are smaller than those of N. perlongicystidiosum .…”

Section: Resultsmentioning

confidence: 82%

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Hypochnicium sensu lato (Polyporales, Basidiomycota) from Japan, with descriptions of a new genus and three new species

et al. 2023

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The genus Hypochnicium J. Erikss., erected by Eriksson in 1958 with H. bombycinum (Sommerf.) J. Erikss. as the type species, is characterized by producing corticioid basidiomes on woody substrates such as dead trunks and branches, and microscopically by having monomitic hyphal system, clamped hyphae, suburniform basidia, and especially thick-walled and cyanophilous basidiospores that are smooth or ornamented (Eriksson, 1958;Eriksson & Ryvarden, 1976). This genus belongs to Polyporales (Basidiomycota) and most similar to Hyphoderma Wallr. in morphology of basidia, cystidia and hyphae, but di ers in basidiospore feature: basidiospores of Hyphoderma are thin-walled and not cyanophilous. Some genera, i.e., Granulobasidium Jülich [type species: Gr. vellereum , 1979), Gyrophanopsis Jülich [type species: Gy. zealandica (Cunn.) Jülich] (Jülich, 1979) and Gloeohypochnicium (Parmasto) Hjortstam [type species: Gl. analogum (Bourdot & Galzin) Hjortstam] (Hjortstam, 1987) have been segregated from Hypochnicium. Granulobasidium di ers from Hypochnicium in having long and slender basidia with granular contents, lack of cystidia and presence of usually large numbers of chlamydospores in basidiomes. Subsequently Matheny et al. (2006) showed Gr. vellereum belongs to Cyphellaceae of Agaricales by phylogenetic analysis. Gyrophanopsis is distinguishable from Hypochnicium in having heavily encrusted septocystidia and slightly thick-walled basidiospores (Jülich, 1979;Stalpers & Buchanan, 1991). Gloeohypochnicium di ers from Hypochnicium in producing sulpho-vanilline positive gloeocystidia. On phylogenetic analyses, Gloeohypochnicium placed in russuloid clade (Russulales) (Larsson & Larsson, 2003). Therefore, the two genera, Granulobasidium and Gloeohypochnicium are excluded here. According to the Index Fungorum fungal database (http://www.indexfungorum.org/names/ names.asp, 31 May 2022), based on the morphological and/or phylogenetic data, 38 species are treated as members of Hypochnicium,

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Section: Resultsmentioning

confidence: 82%