Observation 209088: Phaeolus schweinitzii (Fr.) Pat.

When: 2015-07-06

Collection location: West St. Louis Co., Missouri, USA [Click for map]

Who: Judi T. (AvidAmateur)

Specimen available

Four distinctly zoned bright orange/rusty cinnamon/yellow fruit bodies fused and growing from the ground at the base of an Eastern White Pine. Caps are pliable, tomentose, velvety with coarse lumps at the center. Short, blunt, dingy white/cream spines on undersurface of cap and running down stem. Slight pleasant odor, not “mushroomy”. Spore print pending.


Copyright © 2015 Judi Thomas
Copyright © 2015 Judi Thomas.
Copyright © 2015 Judi Thomas
Copyright © 2015 Judi Thomas
Short, blunt spines on undersurface.

Proposed Names

57% (1)
Used references: Arora’s MD, Phillips’ “Mushrooms and Other Fungi of North America”
84% (1)
Recognized by sight: Fertile surface has pores, not spines.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
Hi Walt: Thanks for the tip. I not only looked at the underside but
By: Judi T. (AvidAmateur)
2015-07-07 10:25:26 PDT (-0700)

took photos of it!!! I mistakenly thought those toothy pores were teeth. All part of the learning experience I guess:=)

Darv, thanks you so much for looking at my observation and
By: Judi T. (AvidAmateur)
2015-07-07 10:20:09 PDT (-0700)

for providing the correct ID. Indeed the overnight spore print (white) and KOH, instantly black, on the cap surface confirm P. schweinitzii. I have never seen it before in this moist, spongey, bright orange stage. Previous specimens I have collected were hard, dry and brown. Thanks for the education.

Nice Judi!
By: walt sturgeon (Mycowalt)
2015-07-06 20:54:47 PDT (-0700)

Always check the underside for pores or spines.

Created: 2015-07-06 18:13:51 PDT (-0700)
Last modified: 2015-07-06 18:22:43 PDT (-0700)
Viewed: 67 times, last viewed: 2017-12-23 16:07:39 PST (-0800)
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