Observation 175832: Suillus acidus (Peck) Singer
When: 2014-08-30
No herbarium specimen

Notes: Cuticles taste acidic.

Cap color on the dark end of the subalutaceus/interemedius range.

KOH on cap surface quickly black, then muddy grayish olive within 2 minutes. Grayish on context. Light orange on pores/tubes. Reaction strong.

Ammonia negative on cap surface an context, pinkish-orange on pores.

Pores not staining. Post mature pores dingy greenish yellow.

Chemicals applied hours after harvest.

Mossy areas under hemlock with White Pine not far away. No Red Pine in the area.

I wonder if there really are two species… S. subalutaceus/intermedius…? Or possibly another similar species?

Proposed Names

47% (2)
Eye3
Recognized by sight: See notes.
Based on chemical features: See notes.
56% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Suillus for pickling
By: I. G. Safonov (IGSafonov)
2014-09-01 02:06:20 EDT (-0400)

Yep, it’s just as popular for picking in Russia as lactarius and honeys. I’ve eaten some canned S. granulatus (made in RU) I bought here in a supermarket called NetCost Market. I had no problem with them passing through my GI tract and that is why I think that what I picked last year bio-accumulated something from my residence grounds.
I haven’t had any luck collecting Kings in NJ after my spot at Washington X-ing lost some trees to stress/disease a few years back. My search under other spruce plantations has been fruitless, so I gave up. I’ve seen them grow under very old white pines, but never under oak here in the US (B. variipes doesn’t count though it’s in the porcini group). It does frequently grow under Quercus in Europe though. I totally agree that the hemlock-associated variety is native. I found some at this year’s NEMF on my first day, so my wish was finally granted. :) I now buy my edulis from nwwildfoods.com — the quality is excellent.

We’ve got some nice larch stands.
By: Dave W (Dave W)
2014-09-01 01:35:10 EDT (-0400)

I make nice grevillei observations in these spots… and other cool stuff too, like Hygrophorus speciosus. Larch is a late-season producer.

I see at least 1000 S. granulatus during a normal year like this one. They seem to equally like the White Pine and hemlock. In graduate school I hunted with a guy who had just arrived from Moscow. He told me that granulatus was very popular in Russia, for pickling.

Nothing beats Norway Spruce for edulis. But I also get Kings under White Pine, Blue Spruce, hemlock, and very infrequently under large oaks. There seems to be a few different species. I think the hemlock and oak types are native to this area, with the spruce-associates having arrived with the trees. I knocked on a door yesterday to get permission to pick 2-3 pounds from under a spruce. A bit past prime, but most of it was good enough to dry. I use the dried blown-out caps to make soup in which the rehydrated mushrooms are pureed.

“Okay, I already mentioned granulatus” — LOL
By: I. G. Safonov (IGSafonov)
2014-09-01 00:34:29 EDT (-0400)

Your frustration at seeing an overabundance of S. granulatus can be offset by calling it S. lactifluus from time to time. :) I found it growing invariably under white pine in NJ. I collected a whole bunch of them on my property last year for the table (I think it’s an MO obs). Apart from tasting fairly bland, they caused a transient mild nausea a couple of hours following consumption on two consecutive days. Naturally, I didn’t feel like eating them on the third day, so I tossed them. I wonder if there was something in the ground that the mycelium managed to concentrate in the fruiting bodies to cause the symptom.

I am not used to seeing any suillus under spruces, but I did find porcini in the past. I presume placidus grows under birches. Grevillei is a larch associate, and the natural range of tamarack only clips the northernmost NJ. I haven’t collected either on any NJ forays.

Actually, that’s approximately the number of species…
By: Dave W (Dave W)
2014-08-31 23:55:24 EDT (-0400)

that I get here in NE PA… spraguei, granulatus, luteus, americanus, subaureus, grevillei… infrequently brevipes, and rarely placidus. And granulatus… Okay, I already mentioned granulatus. But there’s always so much granulatus! Aside form our native White Pines, the only other pines we have are mainly planted groves which are fairly devoid of mycorrhizal fungi. The planted spruces don’t get Suillus species. Under hemlock I find… granulatus.

The one in this post is a unusual for me.

For eating, I like spraguei mushrooms with the pv still intact. Sometimes I can gather enough for a couple meals.

Dave,
By: I. G. Safonov (IGSafonov)
2014-08-31 23:28:23 EDT (-0400)

I am not familiar with S. subalutaceus apart from seeing it in B-R-B. We get relatively few species of suillus here in NJ (americanus, brevipes, granulatus, hirtellus, luteus, salmonicolor, spraguei, and subaureus — these are the ones I personally collected over the years), which is in line with the state’s mediocre diversity in conifers. On the other hand, the 8 mentioned species are probably the standard package that mid-Atlantic and southern New England states get.

Created: 2014-08-31 20:50:40 EDT (-0400)
Last modified: 2016-03-26 11:25:58 EDT (-0400)
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