Observation 133221: Lactarius Pers.

When: 2012-11-28

Collection location: Northeast Collier Co., Florida, USA [Click for map]

Who: Benjamin Dion (benjamindion)

No specimen available

Proposed Names

61% (2)
Recognized by sight
56% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Thanks Dave!
By: Benjamin Dion (benjamindion)
2013-05-31 16:21:38 AKDT (-0800)

That’s some good info… I’ll get on that. I’ll start using the microscopes at school pretty soon too, so that I can finally do my own microscopy!


Most parts of a L. corrugis mushroom…
By: Dave W (Dave W)
2013-05-31 11:26:57 AKDT (-0800)

will show brown staining. It’s most noticable (and perhaps sets in most quickly) on the gills.

The L. corrugis I find up here has tight deep (several mm) wrinkles on the cap.

When I photograph a staining mushroom, I try to remember to photograph one specimen before and after the staining sets in. I use my knife to bruise gills/context. With milkies, I make a shallow slice in the gills to (hopefully) get the latex to flow.

Bessette/Harris/Bessette “Milk Mushrooms of North America” is a must-have for anyone hoping to sort through the many Lactarius species.

By: Benjamin Dion (benjamindion)
2013-05-31 02:42:26 AKDT (-0800)

Many of my finds here look different than the same mushrooms growing up north… these were very dry on a very dry day during a very dry week, and were growing in an area frequented by Laccaria species. I think the entire mushroom is bruising brown if that makes sense….

Just looking at the pics…
By: Dave W (Dave W)
2013-05-30 20:31:13 AKDT (-0800)

it’s a bit difficult to distinguish the grains from the drops. L. corrugis should have lots of latex, and brown staining on the gills.

I’m not saying these aren’t L. corrugis. But a few of the key features that I have observed in my PA collections of corrugis are slightly different than what I see here.

By: Benjamin Dion (benjamindion)
2013-05-30 16:32:22 AKDT (-0800)

yes, there are grains of sand; however, there are drops of latex all over in the pictures.

These perfectly match Kimbrough’s “L. corrugis” description and picture in Common Florida Mushrooms

This was also a very dry week in November… but I’m not aware of what else they could be.

Mykes, 4th and 5th photos.
By: Dave W (Dave W)
2013-05-30 12:34:47 AKDT (-0800)

That white spot near the stipe apex… is it a grain of sand or a drop of latex?

These look like Lactarius to me. But the cap surfaces (zoom 3rd pic) seem more bumpy/grainy than corrugated. Gills look a bit widely spaced for L. corrugis, and without brown stains. There should be lots of latex with L. corrugis.

Created: 2013-05-08 19:26:00 AKDT (-0800)
Last modified: 2013-05-31 06:44:35 AKDT (-0800)
Viewed: 65 times, last viewed: 2017-06-15 19:41:43 AKDT (-0800)
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