Observation 68061: Pleurotus pulmonarius (Fr.) Quél.
When: 2009-07-29
No herbarium specimen

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Pleurotus species
By: BlueCanoe
2011-05-25 12:01:41 CDT (-0400)

From what I understand, Pleurotus ostreatus tends to grow in cold weather (fall and winter), while Pleurotus pulmonarius and Pleurotus populinus occur in the spring and summer. Populinus grows only on aspen & cottonwood (genus Populus), while the other species can grow on many different hardwoods in addition to Populus.

There are some macroscopic traits used by some people to differentiate species, such as maximum cap size, darker/lighter cap color, presence/absence of a short stem, etc, but there seems to be quite a bit of overlap due to variability within species.

Pleurotus familiy
By: I. G. Safonov (IGSafonov)
2011-05-25 11:23:09 CDT (-0400)

How does one distinguish between P. ostreatus, P. pulmonarius and P. populinus from pure morphology, and are there any other unique characteristics for each species, like fruiting during a specific time of year or type of host tree?

Looks like its on a Cherry Tree
By: Charles Seltenright Sr (Shroomin Yooper)
2011-05-25 09:27:57 CDT (-0400)

Created: 2011-05-24 18:22:24 CDT (-0400)
Last modified: 2011-05-25 10:38:41 CDT (-0400)
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