Fibrous, rusty-brown section of mature beefsteak fungus (Fistulina hepatica) from a huge old oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Broken mature beefsteak fungus (Fistulina hepatica) on a huge old oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Pores of mature beefsteak fungus (Fistulina hepatica) from a huge old oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Pore Structure of mature beefsteak fungus (Fistulina hepatica) from a huge old oak in Dubki Park. In the close-up of the underside, one can see that the tubes are separate from one another (like packed straws) rather than fused into a solid sponge. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Beefsteak mushrooms (Fistulina hepatica) growing a huge old oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Brick tuft mushrooms (Hypholoma lateritium) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Giant conifer parchment fungus (Phlebiopsis gigantea) on a broken pine in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Alder bracket mushrooms (Xanthoporia radiata) on a tree in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Polypore mushrooms Alder bracket (Xanthoporia radiata) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Caps of polypore mushrooms Alder bracket (Xanthoporia radiata) on a tree in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Underside of polypore mushrooms Alder bracket (Xanthoporia radiata) in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Spectacular rustgill mushrooms (Gymnopilus junonius) at the base of a large oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Underside of spectacular rustgill mushrooms (Gymnopilus junonius) at the base of a large oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Section of spectacular rustgill mushrooms (Gymnopilus junonius) at the base of a large oak in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Clustered bonnet mushrooms (Mycena inclinata) on an oak stump in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Side view of clustered bonnet mushrooms (Mycena inclinata) on an oak stump in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Large, overlapping brackets of Dyer's Mazegill mushrooms (Phaeolus schweinitzii) one meter above ground on a large pine in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Greenish-yellow to rusty brown underside of Dyer's Mazegill mushrooms (Phaeolus schweinitzii) from a large pine in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
Irregular, angular, and labyrinthine ("maze-like") pores of Dyer's Mazegill mushrooms (Phaeolus schweinitzii) from a large pine in Dubki Park. Sestroretsk near Saint Petersburg, Russia, October 9, 2025
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