When: 2009-08-30

Collection location: Gainesville, Alachua Co., Florida, USA [Click for map]

Who: Kyle (kydelic)

No specimen available

Found near an old tree stump (picture of stump included, it hosted a few different fungal species). The mushroom exudes a white latex (hence lactarius) from the gills, which are attached to the stalk (which was thick and full of tissue). The latex tasted mild for the most part directly after it was picked, however upon bringing the mushroom home, it started smelling like an overmature bolete I had picked a few weeks earlier. The latex was sticky and the mushroom seemed to oxidize or bruise brown (or the latex stained the gills brown). A spore print seemed to only contain information where the latex dropped, which was a dull brown/yellow.

Height: 1.75"
Cap: 2" diameter at widest point.


Stump near which the mushroom was found
Note now-present brown areas

Proposed Names

-78% (1)
Recognized by sight
Used references
50% (4)
Recognized by sight

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= Observer’s choice
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Add Comment
I’m not too familiar with the species but…
By: Kyle (kydelic)
2009-09-01 15:56:44 PDT (-0700)

does the upwards-pointing cap seem like a mutation or a sort of siamese twin-like growth? I’ve seen other mushrooms grow stranger (two conjoined caps, and one fruiting body emerging upside down), and that would really do well to explain the shape irregularity. I also noticed that the gills of that area are notched like they were supposed to go upward to where the original cap was supposed to terminate, but they grew fused to the other mushroom. They are quite symmetrical.

The image I used as a reference:

I see..
By: Irene Andersson (irenea)
2009-09-01 14:06:52 PDT (-0700)

Different smell sounds like an indication that the american volemuses aren’t the same as the european :-)


By: Kyle (kydelic)
2009-09-01 06:56:59 PDT (-0700)

That would describe the odor well, albeit in a very mild way.

By: Noah Siegel (Noah)
2009-09-01 05:05:42 PDT (-0700)

I find the odor in older volemus is a lot more like Russula compacta then xerampelina. In other words, really stinky.

The odor of volemus
By: Irene Andersson (irenea)
2009-08-31 23:46:45 PDT (-0700)

is similar to Russula xerampelina (that is not exactly like an overmature bolete..)

By: Noah Siegel (Noah)
2009-08-31 19:33:42 PDT (-0700)

has a darker brownish-orange cap and tan/orange gills and a faint fishy odor.
see http://mushroomobserver.org/268?search_seq=726300

How about Lactarius corrugis?
By: Joshua Birkebak (Shua)
2009-08-31 19:29:50 PDT (-0700)

I have only seen it a few times but it has the velvety/wrinkly cap, milk that stains the gills brownish and a fishy smell…

I was about to add this but I was out to dinner…
By: Kyle (kydelic)
2009-08-31 17:59:27 PDT (-0700)

The stench was definitely fishy…like old rotting fish, it smelled pretty horrible but only after picking. I read more about L. volemus on mushroomexpert.com and it definitely seems like it is the one, but a slightly smaller specimen. The only difference I found was the degree of curling up of the cap. It lists the spore print as white, which would explain why the spore print didn’t show up on a white paper besides the drops of latex (which turned yellowish brown on the paper).
From pictures of L. hygrophoroides’ gills, it could go either way, I think the odor of the picked mushroom leans me toward it being L. volemus

By: Noah Siegel (Noah)
2009-08-31 16:22:48 PDT (-0700)

and it’s variates have widely spaced gills and in Hesler & Smith, it says about the gills of var. rugatus “not staining brown or only weakly so”
I would say with brown staining crowded gills that this is just a small volemus.
Did it have a fishy odor?

I don’t know if it’s settled
By: Irene Andersson (irenea)
2009-08-31 04:51:08 PDT (-0700)

but Hesler & Smith referred to collections from Texas and Florida that were similar to the Mediterranean species rugatus (or rather, L. hygrophoroides var. rugatus).

But whatever this is, I do not beleive it is volemus (check the size and the thin flesh).

I don’t think that L. rugatus occurs in the states
By: Noah Siegel (Noah)
2009-08-31 04:35:26 PDT (-0700)
By: Irene Andersson (irenea)
2009-08-31 04:05:47 PDT (-0700)

It looks much less fleshy than volemus. Maybe Lactarius rugatus?