Observation 50570: Lactarius olympianus Hesler & A.H. Sm.
When: 2010-08-14
No herbarium specimen

Notes: These were tentatively id’d at the 50th NAMA Foray.
The latex was white and the taste was acrid.
However, the cap color is a little darker orange than the pictures and description in the Bessette book. Also, while the spore ornamentation seems OK, my measurement of the spores make them a little wider and a little longer. ~9.5-13.0 X 9.0-10.0 microns.

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Used references: Milk Mushrooms of North America by Bessette, Harris & Bessette

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Lactarius olympianus is found in Colorado
By: Ron Pastorino (Ronpast)
2010-08-19 01:52:14 BST (+0100)

according to the new “Milk Mushrooms of North America” by Bessette et al.
Lactarius rufus usually has orange and brown on the stem and the spores are thinner.
And while I saw a similar mushroom ID’d as L. olympianus, these could well be something else.

Did you try…
By: Douglas Smith (douglas)
2010-08-18 07:06:32 BST (+0100)

Did you see if these match well the description for L. rufus? What about these makes the id for L. olympianus? (Which I thought was a fairly rare mushroom from western Washington, and wouldn’t that be strange to find in CO?)

Created: 2010-08-18 00:46:47 BST (+0100)
Last modified: 2012-09-20 23:00:23 BST (+0100)
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