Observation 63047: Lactarius rufulus Peck

When: 2011-02-02

Collection location: Fair Oaks, California, USA [Click for map]

Who: Byrain

No specimen available

Growing in scattered clusters in area with lots of oaks, the caps sometimes fusing together, the stem was brittle and hollow in most of the specimens producing an unchanging clear and milky latex. I could tell that the spores where white from deposits on some specimens. It has a pleasing maple like scent and tastes good much like it smells.

Proposed Names

58% (3)
Recognized by sight: White spores, latex.
-1% (4)
Recognized by sight: Desc notes: hollow stem, translucent milky latex, maple-syrup aroma.
77% (2)
Recognized by sight: Maple scent vanished completely overnight after drying.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
I’ve dried
By: Eric Geller (sagacious)
2011-02-04 21:47:39 EST (-0500)

a very large quantity of both species this year— the local fruiting was extremely abundant. Occasionally the scent is much reduced or absent after drying in both species. Aroma after drying is sometimes evanescent in both species (I keep wishing it wasn’t), and perhaps not always as reliable for discrimination as some sources might indicate. That’s my experience anyway. Best of luck.

By: Byrain
2011-02-04 14:59:17 EST (-0500)

The smell vanished completely overnight after drying, this would make them Lactarius rufulus? And I was thinking the fresh smell wasn’t quite the same as L. rubidus, but very similar, but its been well over a year since I’ve encountered them so my memory could be off.

Could be,
By: Eric Geller (sagacious)
2011-02-04 03:59:37 EST (-0500)

but L rufulus usually has a mostly solid stem. There is some variability in the phenotype of both types, but I reckon you have L rubidus there. Discrimination between the two based on cap size is unreliable (but like you, I used to try to differentiate that way). L rubidus with very large caps are occasionally common in my area.

By: Byrain
2011-02-04 01:48:10 EST (-0500)

I’ve found Lactarius rubidus with family before and that seemed to be a smaller species, while some of these where quite large having caps up to a few inches across (Regrettably no photos). Could it be Lactarius rufulus perhaps? I’ll smell the specimens I collected when dried and update later either way.

Created: 2011-02-04 00:59:28 EST (-0500)
Last modified: 2011-02-04 23:39:49 EST (-0500)
Viewed: 105 times, last viewed: 2017-11-10 16:11:17 EST (-0500)
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