Observation 170748: Flammulaster muricatus (Fr.) Watling

When: 2014-07-21

Collection location: Forest County, Wisconsin, USA [Click for map]

Who: Britt Bunyard (Fungi magazine) (bbunyard)

No specimen available

Proposed Names

82% (1)
Recognized by sight: ID confirmed by taxonomist Patrick Leacock of the Field Museum.
82% (1)
Recognized by sight: group anyway. granular to finely floccose to the fruit-body. P-m. e. has a scaly fruit-body.

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

Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Get it wet and rub it…
By: Noah Siegel (Noah)
2015-01-13 13:49:53 CST (-0500)

the scales will come off.

Summerized by Douglas Smith on MO, the main micro differences are that
“Flammulaster has a granular epithellium, and Phaeomarasmius has a thick-walled trichoderm.”

Your other observation of Phaeomarasmius erinaceus http://mushroomobserver.org/138944?q=2Tpj2
is most likely Pholiota granulosa

Nope. Granular scales don’t come off this one…
By: Britt Bunyard (Fungi magazine) (bbunyard)
2015-01-13 13:33:51 CST (-0500)

…I see this guy every year in the Midwest. I’m not going to change what I call it. I know Flammulaster, Pholiota, and Phaeomarasmius have all been used almost interchangeably for some spp and my guess is there’s something microscopic I should be looking for to distinguish. Or maybe a chemical test? As for the macroscopic detail you’ve mentioned (real or imagined), it’s not enough to get me to change my name. (I will change my thinking, however, if given more to go on. Are the gills notably different in any way? …I need something to go on, here.) Thanks.

By: Noah Siegel (Noah)
2015-01-13 13:09:25 CST (-0500)

Flammulaster has a granular to finely floccose-powdery coating to the cap and stipe. Phaeomarasmius is finely hairy-scaly (can’t wipe them off)

This doesn’t really help
By: Britt Bunyard (Fungi magazine) (bbunyard)
2015-01-13 12:51:19 CST (-0500)

This doesn’t really help me to distinguish between Phaeomarasmius and Flammulaster. Can you think of any other ways to separate the two?

Created: 2014-07-21 13:22:44 CDT (-0400)
Last modified: 2015-01-13 16:17:07 CST (-0500)
Viewed: 77 times, last viewed: 2017-06-18 12:37:39 CDT (-0400)
Show Log