Observation 283226: Sutorius Halling et al.

pore surface and cap not staining when touched. The black residue on the mushroom is from growing in a previous heavy burn area. Mixed wood forest , elevation ~ 4000 ft.


Proposed Names

-61% (2)
Recognized by sight
Used references
45% (2)
Recognized by sight: In the sense of Neoboletus

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= Observer’s choice
= Current consensus


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By: I. G. Safonov (IGSafonov)
2017-07-23 11:28:35 JST (+0900)

The answer to your question is in my previous comment. It has nothing to do with the “stuffed pore surface”. The genes say some our red-pored friends typified by N. luridiformis are related to core Sutorius. Now, this one doesn’t bruise blue, but I cannot help associating its gestalt morphology with anything else than Neoboletus at this time.

good info
By: GP Van Eron (reishiTea)
2017-07-23 11:26:25 JST (+0900)

thanks for the background info. let me know if there is anywhere helpful I can send a sample.

By: Robert(the 3 foragers) (the3foragers)
2017-07-23 10:39:06 JST (+0900)

Igor what characteristic makes you think this is belong to sutorius? The stuffed pore suface and color?

Until recently,…
By: I. G. Safonov (IGSafonov)
2017-07-23 02:27:25 JST (+0900)

Sutorius used to be a small genus, represented only by S. eximius – the type species – and a similar-looking S. australiensis from the Island Continent. However, the latest round of published molecular phylogeny research (Wu et al., “One Hundred Noteworthy Boletes from China”, 2016) revealed that many red-pored species previously assigned to Neoboletus fall into Sutorius, with the latter being an older genus by only a couple of years. Time will tell if this unexpected example of taxonomic shuffle will remain unchallenged… I anticipate the red-poreds becoming a hot area of research in boletology in the coming years.

By: GP Van Eron (reishiTea)
2017-07-23 01:13:50 JST (+0900)

I see, the pores on Chalciporus are much larger. The pictures of Sutorius I has seen previously have brown, or light colored pore surface. The pore surface on this one is quite pink almost reddish, even more so than the pictures express. Although now searching through the MO history on Sutorius, there are a couple with similar reddish pores. What a wide variation is colors!

Created: 2017-07-22 13:40:39 JST (+0900)
Last modified: 2017-07-23 01:09:07 JST (+0900)
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