In douglas fir chips (Scotts nature scapes color enchanced mulch)

Spores 7 – 9 × 5 – 6, subrhomboid.

Species Lists


Copyright © 2010 Peter Werner
Copyright © 2010 Peter Werner
Copyright © 2010 Peter Werner
Copyright © 2010 Peter Werner

Proposed Names

80% (7)
Recognized by sight
Based on microscopic features: Globose-pyriform pleurocystidia.

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= Observer’s choice
= Current consensus


Add Comment
nucleotide sequence,
By: Michael W (Michael Wallace)
2010-05-14 15:47:26 -05 (-0500)

According to Alan the nucleotide sequence is a match for P. ovoideocystidiata, the microscopic characters are also a match so I don’t know why we can’t agree that it is that species?

By: Andrew Heath (Quercus)
2010-05-14 13:36:44 -05 (-0500)

Regardless of whether or not these are Ovoideocystidiata, mushrooms don’t know where we say they do and do not grow. Our knowledge of where and when mushrooms grow is always expanding.

I thought…
By: Jimmie Veitch (jimmiev)
2010-05-12 17:47:43 -05 (-0500)

P. ovoideocystidiata only occured around the Ohio River Valley?

How could this be ovoideocystidiata?

By: Michael W (Michael Wallace)
2010-05-06 02:01:34 -05 (-0500)

I was talking to Alan about these specimens and he said that the sequencing for these turned out to be a match for P. subaeruginascens but to me the microscopic characters are a match for P. ovoideocystidiata, it may be possible that the two species are synonymous and the microscopic characters for P. subaeruginascens are a lot more versiform than the original description shows!

By: Michael W (Michael Wallace)
2010-05-04 03:58:47 -05 (-0500)

The microscopic characters here are a better match for P. ovoideocystidiata.
The pleurocystidia here are globose-pyriform and a good match for the second type of pleurocystidia described for P. ovoideocystidiata.

For P. subaeruginascens the pleurocystidia would be broadly fusoid-ventricose with an obtuse apex.