Double mounting with polyporous fungus blocks

Michael Gochfeld gochfeld at
Tue Apr 11 21:27:18 EDT 2000

Grey Birch used to be an abundant tree in the Northeast. The population 
was decimated by a leaf miner which left many dead birch trunks on which 
Polyporus betulinus grew in great profusion.  However, I haven't seen 
one of these in many years and suspect that they may have become a 
rarity.  Unlike many of the larger bracket fungi this one had a spongy 

Mike Gochfeld

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