Observation 361959: Agaricales sensu lato

When: 2019-03-24

Collection location: Little Skookum Inlet, Mason Co., Washington, USA [Click for map]

Who: Steve (Lokness)

No specimen available

Decurrent gills
Growing on ground with some moss.
Dish shaped cap (2.5 cm)
Growing in mature second growth mostly western red cedar forest


Arrhenia obscurata - 10.jpg
Arrhenia obscurata - 11.jpg

Proposed Names

31% (2)
Recognized by sight: If wood below
56% (1)
Recognized by sight

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= Observer’s choice
= Current consensus


Add Comment
Neither Pseudoarmillariella nor Arrhenia – might be an unknown genus
By: D Jean Lodge (djlodge)
2019-07-09 07:59:41 PDT (-0700)

This is not Pseudoarmillariella as it does not have crowded, forked lamellae with red staining reaction, nor Arrhenia obscurata as that species lacks orange-yellow pigments (consulted Scott Redhead who agrees). The closest BLAST match for the ITS is to some Leucocybe species, but it does not resemble them. Suggest collecting more with vouchered specimens for micromorphological analyses.