Dendrocollybia
Traubenstieliger Sklerotienrübling ( Dendrocollybia racemosa )
The Traubenstielige Sklerotienrübling ( Dendrocollybia racemosa, syn. Collybia racemosa and Microcollybia racemosa ) is the only fungal species of the genus Dendrocollybia.
- 5.1 Literature
- 5.2 Notes and references
Features
Macroscopic characteristics
The species forms as the dwarf Velvet foot ( Collybia s.str. ) Small, articulated in the pileus and stipe fruiting bodies. Characteristic design and name of the pin- like stalked -strong side shoots on the stick. The hat reached a diameter of 3-12 mm. He is whitish gray to gray, dyed darker towards the middle and often has a distinct hump. The surface is bare in the middle; towards the edge pressed silky - fibrous. In some cases, the hat also be greatly reduced or absent.
Crowded are the thin lamellae are grown and whitish gray to chocolate brown. The cylindrical stem is flexible and is 2-6 (-10 ) cm long and 0.1-0.5 mm wide. He is pale brown, orange, red to dark brown in color. The side branches have some white heads, which are rudimentary hats. Their hyphae from conidia lace. They are also inamyloid and have a granular content. The branches are densely covered with sclerotia. They are black in color, spherical shaped and 2-7 mm wide. The spore powder is white.
Microscopic characteristics
The spores are ellipsoid and measure 4 to 6 ( 6.5 ) times 2 to 3 microns. They are thin-walled and inamyloid. The basidia are narrow clavate, viersporig and measure 16 to 22 times 3.5 to 4.5 microns. The hat skin is formed of thin radially lying hyphae. They are encrusted weak 2-4 microns thick and gray pigments. Zystide missing, buckles are available. The conidia are hyaline and 7 to 13 times 3 to 5.5 microns in size. They are langellipsoid or subtriangulär often curved and have a rounded extension to the base.
Artabgrenzung
The Traubenstielige Sklerotienrübling is well characterized by its numerous conspicuous ramifications on a stick. In other species, which have similar properties, such as the Käsepilzchen ( Marasmius bulliardii ), this feature is designed significantly less noticeable. The species of the genus Collybia ( dwarf Velvet foot ) also often grow on old fruit bodies of other agarics. However, they lack the branches on the stem.
Ecology
The Traubenstielige Sklerotienrübling lives as Saprobiont in forests. The fruiting bodies appear from summer to autumn, individually or in groups on old fruiting bodies of other leaves and pore mushrooms. These are mainly Milkcaps and russulas from the relationship of the woolly milk -form ( Lactarius vellereus ) and the thick-leafed Schwärz - Täublings ( Russula nigricans ).
Dissemination
The Traubenstielige Sklerotienrübling is widespread in the Holarctic, where he is submeridional found to boreal However, it is not a closed circulation area. The fungus may be found in North America (USA) and Europe. In Europe, the area of England and the Netherlands ranges in the west to Poland and the Czech Republic in the east, as well as to Italy and Romania in the south and north to Fennoscandia. In Germany there are only a few certificates.