Observation 200473: Suillus granulatus (L.) Roussel
When: 2013-11-07
No herbarium specimen

Notes: Found in grass about forty feet from mixed woods. This is a recreational area which was constructed about fifteen years ago. Possibly buried wood or tree roots extending into this area. Not certain of either possibility. First choice was S. americanus, but the margin wasn’t appendiculate and the stipe didn’t have reddish granules.

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Suillus species
By: Phil (gunchky)
2015-03-15 11:37:06 PDT (-0700)

are mycorrhizal. This is a fine example of Mutualism, which is a symbiotic relationship in which both parties benefit. I would say the relationship is facultative because the plant or fungus could survive on its on under certain conditions. There are mixed woods nearby, including Pines. Once again, the reason I mentioned “buried wood” is because I find C. atramentarius in the same area.

If there is…
By: Dave W (Dave W)
2015-03-14 22:08:46 PDT (-0700)

some buried (dead) wood, then it likely has nothing to do with this Suillus fruiting. As far as I know, all mushrooms in genus Suillus are strictly mycorrhizal.

Since you didn’t mention any tree species, I thought it may be helpful to point out evidence suggesting the possibilty of White Pine in the vicinity.

Thanks
By: Phil (gunchky)
2015-03-14 13:26:39 PDT (-0700)

But I’m well aware of S. granulatus’s association with White Pine. This is at least the third time I have found them under or near this tree. This is also the same area in which I have found C. atramentarius, which is why I mentioned the possibility of buried wood.

Phil, looks like there’s…
By: Dave W (Dave W)
2015-03-12 19:44:36 PDT (-0700)

some 5-needle bundles lying around in the grass. White Pine is a typical granulatus associate. I often find this type in grassy areas near pine wood borders. As an edible, I don’t rate it very highly. But a friend of mine likes them.

Created: 2015-03-12 18:11:14 PDT (-0700)
Last modified: 2015-03-14 22:29:12 PDT (-0700)
Viewed: 92 times, last viewed: 2016-10-28 17:29:08 PDT (-0700)
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