Observation 10102: Lactarius torminosulus Knudsen & T. Borgen

When: 2008-08-26

Collection location: Canada [Click for map]

Who: arcticshrrom (arctic_shroom)

No specimen available



Proposed Names

-28% (3)
Used references: Mushrooms of Northwest North America, by Helene M.E. Schalkwijk-Barendsen. L. resinimus just one possibility. Others include Lacterius subtominosus (collected from Shaw Lake, Alberta, Canada; L. scrobiculatus (with pitted stem that I don’t see); L. deceptivus (if a larger mushroom than it looks to be). I’m guessing the mushrooms in the photo are no more than 3 inches across.
54% (1)
Recognized by sight: Looks pretty much like torminosus, but not with such prominent zones on the cap. L. torminosulus grows in arctic habitats.
28% (1)
Recognized by sight: Adding to change the name from spelling error.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
What you see is what you get
By: Irene Andersson (irenea)
2008-08-28 12:24:01 EDT (-0400)

Betula nana, seen in the picture, is the most likely host here.

Arctic trees
By: Daniel B. Wheeler (Tuberale)
2008-08-27 19:20:46 EDT (-0400)

Most trees in Arctic conditions are not what we would expect: willow, larch, spruce; seldom taller than 3-8 feet, and quite scattered the farther north you go. Still, knowing what possible host plants were nearby would help.

Help to have notes on latex
By: Douglas Smith (douglas)
2008-08-27 12:27:54 EDT (-0400)

It would be good to have a comment on the trees in the area that are close. Also for Lactarius it is good to know the color of the latex and there is also the detail on if the latex stains the gills some color.

By: Daniel B. Wheeler (Tuberale)
2008-08-27 04:50:48 EDT (-0400)

If you get Aurora’s Mushrooms Demystified, you should be able to key this one out.

Created: 2008-08-26 22:16:35 EDT (-0400)
Last modified: 2008-08-26 22:16:35 EDT (-0400)
Viewed: 99 times, last viewed: 2019-01-10 19:08:15 EST (-0500)