Observation 160710: Suillus pungens Thiers & A.H. Sm.
When: 2014-03-03
0 Sequences

Growing on the ground in my (condo)backyard with Monterey pine and a cedar.
Spore print was (slightly reddish) brown.
Spores were 8.1-10.1 X 3.6-4.2 microns.
All the literature on the spore size for this common species is usually in the range of 9-10 X 2.5-3.5 microns. Theirs’ is 9.5-10 X 2.8-3.5 microns. All state them to be smooth.
My numbers are OK in length but my lowest width was 3.6 microns.
Also the spores appeared to be rather granular or lumpy in my photos.
I checked them in both 3% KOH and in Congo red + KOH.
Got the same numbers and appearance. Measurements were on spore print material of a combination of two different caps.
I guess I’ll have to check spores from fbs of material from different sources to see if this is just a anomaly.

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Created: 2014-03-04 17:45:42 CST (-0500)
Last modified: 2014-03-04 17:49:45 CST (-0500)
Viewed: 19 times, last viewed: 2017-06-18 01:17:18 CDT (-0400)
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