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… a boletologist? This mushroom clearly has gills, “-porus” ending on its genus name notwithstanding.
according to the descriptions in M.A. Neves’ dissertation, the lamellae of leucomycelinus are cyanescent – those of rhodoxanthus are not. Probably less discriminating is that the pilei are colored differently: more reddish in leucomycelinus and a tawny olive to cinnamon brown in rhodoxanthus.
I know you do Walt. http://www.nybg.org/bsci/res/hall/boletes/PhylloporusKey.pdf go to this link and get a free copy of a key.
Roy, I do a fair amount of collecting, mostly for the herbarium at Davis Elkins College. In this case I did not collect this Phylloporus. Again I ask are there other macroscopic ways to separate these two? I will look for the Mycologia article. How’s that broken leg doing?
Excellent that you discussed with Ernst – one of the most knowledgeable boletologists I know!
While my Phd student worked on Phylloporus with a slightly less than global perspective, it might be a good idea to contact her about her research. Oh, BTW, a paper will appear in Mycologia soon that documents the New World taxa as she knew them. She finished 2 years ago.
Might I make a slightly pithy comment here Walt? If you (the royal you) have data and sit on it, nobody knows. Then, when someone says something, that “sitting on” party exclaims: "Hey, mine’s red and yellow and green and blue Sanford’s brown. Valid observation. DO YOU HAVE A SPECIMEN!!!??
I discussed this with Ernst Both and he said there are other differences. I don’t recall if there were macroscopic differences. I think P.rhodoxanthus and P. lecomycelinus both are blue when ammonia is applied to the cap cuticle. Are there other macro differences?
white AND yellow on the same fruitbody?
I have found fruitings in Ohio with white and yellow mycelium.
only if it had yellow mycelium at base of stipe. If white mycelium, then it’s P. leucomycelinus.Go to my bolete website for a free PDF key on non-african Phylloporus. To ID Phylloporus properly, you need to note the basal mycelium color (yellow or white), oxidation reactions (bluing and where), flesh color (yellow or white), and ammonia reax – without that info, it’s Phylloporus sp.
Created: 2010-04-23 07:13:54 PDT (-0700)
Last modified: 2010-05-01 18:41:01 PDT (-0700)
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