Observation 20284: Lactarius Pers.

When: 2008-08-28

Collection location: Peace River Area, British Columbia, Canada [Click for map]

Who: Johannes Harnisch (Johann Harnisch)

No specimen available


Copyright © 2009 Johannes Harnisch
Copyright © 2008 Johannes Harnisch
Copyright © 2008 Johannes Harnisch
Copyright © 2008 Johannes Harnisch

Proposed Names

-26% (3)
Recognized by sight
Used references
7% (3)
Recognized by sight
52% (2)
Recognized by sight: Lactarius deliciosus var. deterrimus doesn’t occur in the West; besides, it’s a misnomer anyway according to Kuo’s MushroomObserver

Please login to propose your own names and vote on existing names.

Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Pretty much all of these
By: Noah Siegel (Noah)
2009-11-12 19:50:14 PST (-0800)

North American “deliciosus” observation are the same species; L. deliciosus sensu NA so to speak.
Until it all gets sorted out it doesn’t really matter if you call it deliciosus
or deterrimus

I don’t know
By: Johannes Harnisch (Johann Harnisch)
2009-11-12 19:48:28 PST (-0800)

what to call this they were found under spruce not pine so they are not Lactarius deliciosus…..and Lactarius deterrimus is not supposed to be found in North America…so what shall i call these?

hmm interesting
By: Johannes Harnisch (Johann Harnisch)
2009-11-11 18:27:27 PST (-0800)

yes i suppose that a lot of names we use are European and will probably have to change…perhaps…..

North American “deliciosus”
By: Noah Siegel (Noah)
2009-11-11 18:21:57 PST (-0800)

This is from Jorinde Nuytinck et al Worldwide phylogeny of Lactarius section Deliciosi.
“None of the North American specimens identified
as L. deliciosus are conspecific with the European L.
deliciosus. Detailed observations on the morphology
(color and general [surface] aspect of the pileus and
stipe, and color [change] of the latex) and microscopy
are needed to elucidate the delimitations of taxa in
the American ‘‘L. deliciosus’’ clade.”

L. deterrimus is also a European species that doesn’t occur in North America.

In the east we have two orange latex sect. Deliciosi. what we called deliciosus but about 15 years ago some started calling it deterrimus but it needs a new name and L. thyinos which doesn’t stain green and looks similar to L. salmonicolor.
In the new Bessette, Harris, Bessette Milk Mushrooms of NA I was disappointed with the fact that they called thyinos a synonyms of salmonicolor and had both deliciosus and deterrimus in the book, but it’s not the first time that I have been disappointed with Bassette…

Found with
By: Johannes Harnisch (Johann Harnisch)
2009-11-11 15:25:59 PST (-0800)

spruce and or balsam

looks not like deliciosus
By: Andreas Gminder (mollisia)
2009-11-11 14:05:32 PST (-0800)

Cap should be more orange and with silvery zonaton, stem should show scrobiculae

Created: 2009-04-14 16:49:14 PDT (-0700)
Last modified: 2016-05-10 09:25:21 PDT (-0700)
Viewed: 125 times, last viewed: 2017-06-05 07:15:40 PDT (-0700)
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