Gillian Posted October 30, 2018 Report Share Posted October 30, 2018 I found these yesterday on a beautiful hike along the Bruce Trail in Ontario. Growing on a fallen log, couldn't tell the tree species but in a hardwood forest (lots of maples and oaks), hillside and quite well drained. 7cm diameter white/brown top with definite 3-4mm "hairs". I thought this was moss at first but it does seem to be part of the fungus. Underside yesterday was white. Spore print a medium gray. Pores seem mostly round. Spongy texture, not woody. Quote Link to comment Share on other sites More sharing options...
Gillian Posted October 31, 2018 Author Report Share Posted October 31, 2018 I looked this up in my Audubon book and I think it's a Tyromyces caesius...the Blue Cheese Polypore. It seems like it also can be called an Oligoporus caesius or a Postia caesius. I'm not sure why it would have three different Genus names. This is the only one with a blue grey spore print. It's very moist and spongy. Although in my indoors photos the top looks more brown, the field photo shows the grey blue hue. Quote Link to comment Share on other sites More sharing options...
Dave W Posted November 1, 2018 Report Share Posted November 1, 2018 I think the blue-gray spore print is good info supporting Postia caesia, also the hairy upper surface. Although the irregular/mazelike pores are interesting. During the past 20 years many types of fungal species have been shifted into new genera, as per DNA data indicating phylogenetic relationships heretofore not understood. I have heard that Gary Lincoff had offered to update the Audubon guide, but the publishers declined his offer because the book continues to sell well. Quote Link to comment Share on other sites More sharing options...
Gillian Posted November 1, 2018 Author Report Share Posted November 1, 2018 Thanks Dave, still lots to learn about mushrooms and their kin. Quote Link to comment Share on other sites More sharing options...
Dave W Posted November 2, 2018 Report Share Posted November 2, 2018 Always something to learn about mushrooms. Quote Link to comment Share on other sites More sharing options...
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