Observation 54077: Lactarius tabidus Fr.

Smallish, orange-tan-capped mushrooms with pale yellow, somewhat decurrent gills and orange stipes. Latex white, no color changes within the first couple of minutes after exposure to air. Abundant in a large patch in Zone 38 under mixed trees including jack pine.

I’ve seen similar lactarii in mid-fall before, in the destroyed Zones 9 and 12, and saw more today, in D6B and D9B. D6B is dominated by balsam fir with some birch and maple and D9B is similarly composed. This may be a fir associate.

This is the one unidentified milk cap species I keep seeing. Besides it, the other milk caps I’ve found in this area have all been identified to species: L. chelidonium, L. thyinos, and L. vinaceorufescens, of which the latter also turned up today (in D4B).

Edit: found again in this Zone on October 7. The latex, though white, leaves yellowish marks on white paper. This points to L. tabidus.

Species Lists


October 2.
The latex is white, but stains white paper yellow.

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It looks like
By: Paul Derbyshire (Twizzler)
2010-10-03 18:06:31 CDT (-0400)

the test here would be to see if the milk stains things yellow (despite not being itself yellow). Next time I see one of these I may try that.

If it had been in my area
By: Irene Andersson (irenea)
2010-10-03 17:31:31 CDT (-0400)

I’d call it Lactarius tabidus (L. theiogalus is probably a synonym).

Excuse me?
By: Paul Derbyshire (Twizzler)
2010-10-03 15:48:37 CDT (-0400)

It’s the only one in Lincoff mentioned as having the odd “depressed-then-umbonate” cap structure, that is smallish, orangish, with white unchanging latex.

The last photo, particularly, seems to fit their description and photos.

Anyway, have you any other suggestion as to what it might be?

No smell mentioned
By: Irene Andersson (irenea)
2010-10-03 04:47:45 CDT (-0400)

Lactarius camphoratus should be much darker on both cap, stem and gills, and has a strong smell of curry.