Observation 85431: Phellinus ribis Quél.

When: 2011-12-31

Collection location: Evergreen Lake, Illinois, USA [Click for map]

Who: Patrick Harvey (pg_harvey)

No specimen available

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192314
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264157
Phellinus turns black with KOH.

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Eye3 = Observer’s choice
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Phellinus ribis attacks (Osage orange) stemwood exposed in wounds.
By: Patrick Harvey (pg_harvey)
2012-08-21 10:34:33 CDT (-0500)

http://www.na.fs.fed.us/...
“Maclura pomifera (Raf.) Schneid. Osage-Orange …
“… Phellinus ribis attacks stemwood exposed in wounds. Poria ferruginosa and P. punctata are the only two wood-destroying basidiomycetes reported on Osage-orange; they occur only on dead wood, mainly in tropical and subtropical parts of the western hemisphere. (21) …”

21. Hepting, George H. 1971. Diseases of forest and shade trees of the United States. U.S. Department of Agriculture, Agriculture Handbook 386. Washington, DC. 658 p.

Irene — you found the same reference that I did. Does Poria also turn black with KOH? And does it develop layers like this? Also, this quote mentions the other two occur only on dead wood, and P. ribis in wounds (as this was.)

Created: 2011-12-31 18:03:41 CST (-0600)
Last modified: 2012-09-20 13:15:26 CDT (-0500)
Viewed: 168 times, last viewed: 2018-05-23 13:12:09 CDT (-0500)
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