When: 2018-05-15

Collection location: Susquehanna Riverlands, Pennsylvania, USA [Click for map]

Who: Dave W (Dave W)

Specimen available

Notes:
Cap diameters 3-6 cm.

Spores 12-14 × 5-6.5.

Growing in pile of woody debris/leaf litter.

Images

Proposed Names

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= Observer’s choice
= Current consensus

Comments

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Thanks Jacob…
By: Dave W (Dave W)
2018-05-18 13:50:37 MSK (+0300)

and everyone else for weighing in. For me the most confusing thing is that at least some descriptions of bipellis mention the lined cap. But I suppose the radial wrinkles qualify. Online photos (allegedly bipeliis) vary with respect to this trait.

I added a photo of the gills.

The wrinkled, purplish, chunky looking caps
By: Jacob Kalichman (Pulk)
2018-05-18 02:44:49 MSK (+0300)

particularly the two in pic #3, are the source of my confidence… but I’ve dialed it back to Promising because of the other more “normal Psathyrella” looking caps.

Jacob, can you…
By: Dave W (Dave W)
2018-05-17 18:49:30 MSK (+0300)

provide reasons for your high level of confidence regarding P. bipellis? Just wondering what trait(s) point decisively toward this species. In the previous comment I mention a couple things that seem to point away from bipellis.

Spore size fits bipellis.
By: Dave W (Dave W)
2018-05-17 11:54:53 MSK (+0300)

But bipellis is reported as having purplish gills. I didn’t notice any purple tinge on these gills. Also, these caps were a bit larger than 5 cm and lacked marginal lines (both traits reported by MushroomExpert). But, checking some internet sources, bipellis was the closest thing I could find.

Created: 2018-05-17 10:17:38 MSK (+0300)
Last modified: 2018-05-18 13:58:57 MSK (+0300)
Viewed: 73 times, last viewed: 2018-12-26 20:26:26 MSK (+0300)
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