When: 2021-05-08

Collection location: Earth [Click for map]

(coordinates hidden from public) 180m

Who: Enrique Rodriguez (Kique_Hikes)

No specimen available

Found growing in little league fields at a county park. Fields are a mix of grass, clover, dandelion and daisies. A few of them dropped brown spore prints, I’m guessing those might’ve been P. Foenisecii and have been discarded. They were refrigerated for nearly 24 hours between time of collection and when I had chance to photograph them and set them up to take spore prints.

Proposed Names

50% (3)
Recognized by sight
50% (3)
Recognized by sight
80% (1)
Recognized by sight: These look like some Pans I found recently, AR suggested pan fimicola

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= Observer’s choice
= Current consensus


Add Comment
Blue Bruisers
By: Enrique Rodriguez (Kique_Hikes)
2021-05-11 16:10:14 CDT (-0400)

The vast majority of specimens I’ve collected around here do not bruise blue except at the very base of the stem like you mentioned – but from late summer through fall I would occasionally find specimens that would bruise readily and develop a blue dot at the center of the cap upon drying. Unfortunately I didn’t document those finds as they looked so much like one of my early observations on here which was initially voted as Pan Cyanescens but later Alan suggested they might be Pan Bisporus.

Panaeolus subgenus Copelandia
By: Xavier Nadal (Xavier Nadal)
2021-05-11 10:45:30 CDT (-0400)

Hi Enrique, If the other grey Panaeolus that you mention really bruise blue probably are Panaeolus subgenus Copelandia like Panaeolus cyanescens, more than Panaeolus fimicola. Panaeolus fimicola rarely bruises and if it does is on the white mycelium of the base of the stipe. If you cut or damage a Panaeolus fimicola never tourn blue.

P. fimicola, interesting.
By: Enrique Rodriguez (Kique_Hikes)
2021-05-11 10:28:42 CDT (-0400)

Thanks for the clue, Xavier. I don’t have access to a microscope but your statement about P. fimicola being more of a greyish than brown is interesting because that description certainly fits some of the black-spored Panaeolus specimens that grow around here. Also, from late summer through fall, the fields that yielded the specimens in this observation also yielded occasional flushes of fruits that were more of a light grey coloration with stems that would readily bruise blue and caps that would develop a blue to blue-green dot in the center when dried.

Pan. cinctulus maybe
By: Xavier Nadal (Xavier Nadal)
2021-05-11 02:02:01 CDT (-0400)

You have a mix collection. As you say, there are some Panaeolus foenisecii (the dark Brown spored ones) and the rest can be Panaeolus cinctrulus or Panaeolus fimicola (the black spored ones).
As they are very similar to the Pan foenisecii I will decant for Panaeolus cinctulus. In my experience Panaeolus fimicola is more gray colored, not as brown as these ones.
Only with macroscopic observations is difficult to really differenciate between both species.

Panaeolus for sure
By: Jed (Jed79SC )
2021-05-10 17:07:31 CDT (-0400)

I’m not sure what kind though, one of the experts will chime in for you, cool find