Pored or somewhat maze-like on underside [bracket polypores]


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KenT wrote:
Yesterday
I suspect Cerrena is a possibility. I looked at Ryvarden (1991) Genera of Polypores, Synopsis Fungorum 5 where he accepted Cerrena as a monotypic boreal genus (p112). I looked at Breitenbach and Kranzlin (1986) Fungi of Switzerland Vol 2 where the images there for Cerrena unicolor and for Antrodiella hoehnelii (p279) do show some resemblance to the species I photographed. In this case I suspect the literature I've been looking at is now a bit old. After initial a look on the computer I'd made an assumption that the fruit body was partially deformed as underneath it appeared to show some damage from invertebrate feeding and evidence of a possible pathogen in the green/blue discolouration that can be seen in the third image. I will have to see if I can find it again next year.

Cerrena zonata
JTran wrote:
10 Dec 2024
The pores seem to be closer to something like Cerrena zonata. While there's also quite a lot of fruit body variation for that species, comparing these photos with iNaturalist I think the colour, texture and margin on the upper surface are far more consistent with C. zonata than a Trametes.

Cerrena zonata
Heino1 wrote:
6 Dec 2024
Hmm...an unusual versicolor if it is that species.

Cerrena zonata
Heino1 wrote:
5 Dec 2024
In calling this Trametes sp. I have assumed that the undersides of the whiteish caps have numerous tiny pores.The green colour is algal growth. In those species of Trametes with hairy caps algal propagules are easily caught in the hairs and since the hairs can also trap moisture you get a very algal-friendly microhabitat. Also in the photo is then orange Trametes coccinea.

Trametes sp.
Heino1 wrote:
22 Nov 2024
Possibly a species of Trametes. You can see more about the Laetiporus here: https://www.mushroomexpert.com/laetiporus_sulphureus.html

Laetiporus sulphureus
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