Botryobasidium obtusisporum
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Botryobasidium obtusisporum on spruce in Haibach above the Danube |
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| Scientific name | ||||||||||||
| Botryobasidium obtusisporum | ||||||||||||
| Eriksson |
Botryobasidium obtusisporum is a mushroom species from the family of grape basidia relatives (Botryobasidiaceae). It forms resupinate, cobweb-like fruiting bodies that usuallygrowon the dead wood of conifers and deciduous trees. The distribution area of Botryobasidium obtusisporum includes Central, Northern and Eastern Europe as far as the Caucasus . An anamorph of the species is not yet known.
features
Macroscopic features
Botryobasidium obtusisporum has fresh, light sand-colored, dry, light ocher-colored, spider-like and thin fruiting bodies that grow resupinate (i.e. completely adjacent) on their substrate and appear slightly reticulate under the magnifying glass.
Microscopic features
As with all grape basidia , the hyphae structure of Botryobasidium obtusisporum is monomitic , i.e. it consists exclusively of generative hyphae that branch out at right angles. The basal hyphae are hyaline , thick-walled, mostly 7-11 µm wide and not encrusted. The 4–6 µm thick subhymenial hyphae are hyaline, heavily branched and thin-walled. All hyphae are simply septate. The species has neither cystids nor buckles . The four- to six-pore basidia of the species grow in nests, are 16–12–16 × 8–9 µm in size, are roundish and richly barrel-like when young and simply septate at the base. The spores are obliquely egg-shaped and mostly 12–16 × 8–9 µm in size. They are smooth, hyaline, and thin-walled.
distribution
The known distribution of Botryobasidium obtusisporum includes Eurasia and Australia .
ecology
Botryobasidium obtusisporum is a saprobiont that colonizes dead wood . This is both rotten wood from Bedecktsamern and from conifers . Substrates include eucalyptus ( Eucalyptus spp.), Spruce ( Picea spp.) And pine ( Pinus spp.).
literature
- John Eriksson, Leif Ryvarden: The Corticiaceae of North Europe. Volume 2 Fungiflora, Oslo 1973.
- Hong-Xia Xiong, Yu-Cheng Dai: Two species of Botryobasidium (Basidiomycota, Aphyllophorales) new to China. In: Fungal Science 22 (3 & 4), 2007. pp. 91-95.
