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have had problems digesting this one. It is the reason I do not recommend bicolor to beginners. It is not in Bessette & Roody.
for you comment. Sounds like you might have had the GI problems with this one. If that’s the case, this cannot be the true B. bicolor. Also, the color and the textured surface of the caps further point away from it. What about its bluing pattern? Anything that might suggest it’s something covered in B-R-B?
Recent MO posts from different parts of the USA continue to bring out more of these little-known red-and-yellow bluing boletes. Some of these are in the “bicolor group” (but who really knows what constitutes it), some are “bicolor look-alikes”, and the majority of others simply beyond the scope of what is covered by available field guides.
I wonder if we will ever know given the painfully slow progress of DNA-based research on North American boletes and the frustrating lack of up-to-date literature that will take us, field mycologists, to the next level, i.e. beyond Smith & Thiers and B-R-B. There is so much that needs to be done to bring this knowledge base up to the speed and level that becomes of utility to those of us who are still doing field ID of boletes based on macro and micro characteristics. Unfortunately, it seems like researchers always prefer to work on something of narrow focus (within the Boletaceae) whenever funds becomes available. The technology to do the necessary high throughput work is there, specimen collectors who would love to contribute are there (that’s the important starting point), so it’s clear what the next step should be.
but if it is it is the “variety” which has caused some gastro intestinal problems. The color is never as red as typical bicolor. It becomes olivaceous and rimose areolate in age. Ernst Both said the micro features fit bicolor. It is a very abundant bolete here, usually in lawn areas under oak. I seldom see it in the woods.
Created: 2013-07-18 14:13:47 CDT (-0500)
Last modified: 2013-07-18 14:13:53 CDT (-0500)
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