When: 2012-03-24

Collection location: Bunyip State Forest, Victoria, Australia [Click for map]

Who: Tex (Stopwhispering)

No specimen available

Bluish green bruising noticed on pore surface, as can be seen in photos. Found growing as a single specimen.

Updated with new photos.

I initially believed both mushrooms to be the same species, am now uncertain to this however.


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Both specimens
By: Roy Halling (royh)
2012-03-27 09:19:37 CST (-0500)

don’t look the same to my eye. The first ones completely lack any red. It is important to note the TRUE color of the pileus context AND the stipe context AND any oxidation in those two places. To date, in my experience, ALL will be yellow at first and quickly cyanescent in the pileus. The bluing is so fast that it will obscure the yellow and make you perceive it as white. Once cut lengthwise, you need to do a quick cut and look. So far, only B. emodensis is known to have yellow context in the stipe and it is cyanescent with some orangish brown in the very stipe base. B. dissiliens and B. ananiceps have white flesh and present an orangish brown oxidation – no (or rare and scant) cyanescence. These two taxa differ in the pieus surface ornamentation and spore ornamentation. This latter is definitive.

Finally, after a recent trip to Queensland, I am convinced there is another taxon in this group (likely unnamed). This appears to be teh one illustrated in the last image. This taxon needs further characterization which I will do my bit in a subsequent observation. Thanks for bringing this Observation to my attention.

By: Gerhard Koller (Gerhard)
2012-03-27 05:10:46 CST (-0500)

I think you’re right, the last pictures look like ananiceps, no veil hanging from the margin of the cap and the reddish cracks on top of it.

Best is,
By: Gerhard Koller (Gerhard)
2012-03-27 04:42:37 CST (-0500)

draw Roy Halling’s attention to this observation, I think he is here on M.O. as Roy H. He is a good one for Boletes and also revised my observations from B. emodensis to B. dissiliens. But of course it must be fixed microscopically afterwards.

Re: Boletellus dissiliens
By: Tex (Stopwhispering)
2012-03-27 04:37:35 CST (-0500)

This also seems like quite a good match, finding limited information to compare the two.


Also compare
By: Gerhard Koller (Gerhard)
2012-03-27 04:06:34 CST (-0500)

Boletellus dissiliens which is common in New South Wales.