Observation 218356: Leccinum Gray

When: 2015-10-04

Collection location: Splashdam Pond, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

Specimen available

Wet area with Gray Birch, cranberries, and moss.

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Very interesting habitat
By: I. G. Safonov (IGSafonov)
2015-10-11 04:37:35 +03 (+0300)

It’s a good thing, Dave, that you keep such detailed records of the environs where you pick mushrooms. The excellent pix you take tell the rest about your collections…

Holopus seems to fit, except…
By: Dave W (Dave W)
2015-10-11 03:52:04 +03 (+0300)

for the blue stain inside the stipe base.

This area, Splashdam, is a trail with a wetland on one side, a young maple/cherry/beech forest on the other, and small Gray Birch lining the sides of the trail. That is, there’s a 4-8 foot wide area on either side of the fairly wide trail that’s a thicket of birch. A few small conifers are mixed in with the birch here and there; hemlock, spruce. There are wet areas on the trail, plenty of moss. Each October we go there to pick cranberries. It’s over a half-mile walk in, and I haven’t explored the area in summer. But every October the trail gets significant Leccinum fruitings; a couple big red-capped stainers (L. atrostipitatum, I’ve been calling these) and a multitude of brown, gray, and whitish ones. I think there are two species among the non-red ones, L. scabrum and maybe holopus. But the staining reactions are variable and seem to not correlate with the cap colors very well. Last year I sent a nice sample of this material to Michael Kuo, and this year I preserved another 8 collections from this area.

One of the holopus varieties???
By: I. G. Safonov (IGSafonov)
2015-10-11 02:20:53 +03 (+0300)

Created: 2015-10-10 22:23:10 03 (0300)
Last modified: 2015-10-10 22:23:31 03 (0300)
Viewed: 28 times, last viewed: 2017-06-21 06:52:58 03 (0300)
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