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Fungus

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Everything posted by Fungus

  1. You're facing it from the 90 degree frontal angle the camera was in. The tree (beech ?) had fallen/uprooted before it was cut, so the cut surface is nearly vertical with a slight slope backwards from the viewpoint of the camera.
  2. Who's the owner of the tree, is it a veteran with a TPO and who's going to pay for the assessment of the extent of the white rot ? IMO your findings sound serious enough to take extensive measures to keep the tree from falling (windthrow). Under "natural" conditions, the Ganoderma is "preparing" for the total collaps of the Tilia, after which the tree can regenerate from the remaining and surviving roots (see photo) and/or with epicormic growth at the base. ---
  3. , a species, that decomposes the wood with organohalogens (polyaromatic hydrocarbons), which can make the wood "toxic" and unsuited to be used as wood compost.
  4. Gollum, I thought the type of rot caused by P. cactorum or P. capsici in Malus looked like this.
  5. Photo 1 : Guignardia aesculi. Photo 2 : Cameraria ohridella. ---
  6. Today's documentation of Boletus badius fruiting from a stump and Lactarius vietus fruiting from a spruce cone. By going back to an earlier evolutionary phase of (partially) being saprotrophic, both species seem to be in regression. The mycelia of both probably still are in contact with ectomycorrhizal tissue surrounding the roots of a young tree, that cannot survive supplying the mycelium with enough energy (yet) to fruit, so the mycelium is "forced" to temporarely decompose dead wood (cellulose) to produce its FB's with. ---
  7. In this case, it is of no importance, whether it is G. australe or G. lipsiense, because in Tilia, both perennial Ganoderma species cause a comparable extensive white rot with selective delignification, that already in an early stage can make the tree vulnerable for windthrow because of complete decomposition of the central wood of the buttresses and the trunk base at and below ground level.
  8. Tobias, 1. I thought your first photo was on Betula. 2. Yes, it did, just like in photo 2 from Bavaria/Germany. I've seen it on Fagus (Benelux, Germany), on Betula (Benelux : photo 1), on Picea (Benelux, Germany, France, Austria, Switzerland, Czech Republic), on Abies (Bavaria/Germany, Sumava/Czech Republic), on Acer (Poland, Austria) and on Prunus (Sweden, Bavaria/Germany : photo 2). ---
  9. Tobias, It's a Cortinarius species from the C. flexipes s.l. complex : - if it smells like Pelargonium, it may be C. paleaceus, - if it has no distinct smell and is an ectomycorrhizal symbiont of Betula, it may be C. hemitrichus and - if it has no smell and is associated with Picea it may be C. pilatii.
  10. Tobias, I suppose you suggest a relationship between Witches' Butter (Fuligo septica) and dog urin/excrements, but there is no direct association, because myxomycetes "graze" on whatever substrate rich of bacteria, fungal tissue (spores) and plant debris.
  11. I also found Fomitopsis pinicola in Sweden on birch and I found it once on an old cherry in the garden of a stuga we rented just outside/north of Rättvik.
  12. Pholiota squarrosa on Robinia pseudoacacia.
  13. No, KOH.
  14. Ganoderma lipsiense and G. australe can only be 100 % sure identified by using a microscope and measuring the spore size. And according to Ryvarden & Gilbertson it would indeed be a first recording of G. australe from your region.
  15. To be 100 % sure, you'll have to do the caustic potash (KOH) test (see photo with purple reaction), but I'm pretty sure this is Hapalopilus rutilans, which often grows on Sorbus. ---
  16. Ryvarden & Gilbertson report it from Sweden and Finland, where it should mainly grow on structural timber in houses, while it normally grows on all kinds of deciduous trees, including Prunus. But to be sure, you need a microscope to identify the species (f.i. Phellinus spp., Dichomitus campestris) or caustic potash (KOH) to test for a purple reaction in case it would be Hapalopilus nidulans.
  17. Armillaria has white spores, Gymnopilus spores are rusty brown. And yes, it contains psilocybin.
  18. Growing on (buried) dead wood and at first with pale loam coloured gills later turning to pale brown. If so, possibly Pholiota lenta.
  19. Hard to say from a photo alone. It could be a number of species, with Gleoephyllum trabeum as the macroscopically most resembling candidate.
  20. Ganoderma cf. australe.
  21. Yes, the anamorph producing chlamydospores.
  22. Gymnopilus junonius.
  23. Only seems to be the bark and cambium canker the mycelium of Inonotus obliquus produces without forming tube layers with spores.
  24. Old Pleurotus ostreatus with white spores on top of the underneath other FB's positioned FB's.
  25. ... a brown rotter, which can cause an extensive decay leading to a cavity behind the wound it is fruiting from, which can make (parts of) the crown unstable.

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