Notes: I have a sawdust pile that has sprouted bright yellow boletus mushrooms that I am finding impossible to key out. The sawdust is a 50/50 mix of redwood and grand fir that I cut last winter, and added to the pile that measures 8′×10′×3 ft high.
The nearest trees or shrubs are pinus radiata, approx. 60 ft distant.
A couple of mushrooms are solitary, but most of the mushrooms grow as a clump.
The stipe is bulbous, without reticulations, scabers or glandular dots.
The cap is dry, with fine shallow cracks on areas of the cap. Caps are bright yellow, and yellow/tan with age. The largest cap is 9cm.
I have not been able to get a spore print, but dusting on the caps suggests brown.
Stains dark blue when cut, especially towards the bottom of the stipe. The staining fades until a few hours later the mushroom is once again yellow.
Taste is pleasant.
The mass of the Bolete’s mycellium is definitely growing in fresh redwood sawdust mixed and layered with grand fir sawdust.
[admin – Sat Aug 14 02:00:32 +0000 2010]: Changed location name from ‘Fortuna, Humboldt County, California, USA’ to ‘Fortuna, California, USA’
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Created: 2009-10-23 18:02:16 NZDT (+1300)
Last modified: 2011-09-29 09:18:44 NZDT (+1300)
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