Observation 86838: Laetiporus Murrill

When: 2011-09-03

Collection location: Culpeper Co., Virginia, USA [Click for map]

38.53°N 78.15°E [Click for map]

Who: Penny Firth (pfirth)

No specimen available

Fruiting on a white oak log. This tree was killed by gypsy moths during 1990-1992.


Proposed Names

56% (1)
Recognized by sight: When old, it becomes white and chalky.

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= Observer’s choice
= Current consensus


Add Comment
Thanks for the tips.
By: Penny Firth (pfirth)
2012-07-07 19:18:30 CDT (-0500)

I have seen this ‘chalky’ looking thing before. If/when i see it again I’ll post.

By: Tom Volk (TomVolk)
2012-07-07 17:19:53 CDT (-0500)

This is probably an undescribed species, very closely related to L. sulphureus, But the pores are white and it often bruises black when fresh (especially at the margins) and often turns blackish when cooking. Often the taste is bitter, not very pleasant and the texture is chalkier than normal L. sulphureus. More work needs to be done to distinguish this as a separate species.