Name: Heterobasidion occidentale
Author: Otrosina & Garbel.
Citation: Fungal Biology (Oxford) 114(1): 20 (2010)
Deprecated Synonym(s): Heterbasidion occidentale
Heterobasidion irregulare the ‘P’ (Pine) type) can kill ponderosa pine, Jeffrey pine, sugar pine, Coulter pine, incense-cedar, western juniper, and pinyon pine; Fruits inside of stumps; popcorns on roots; All of North America
Heterobasidion occidentale the ‘S’ (Spruce/fir) type) can kill true firs, hemlock, Douglas-fir, and giant sequoia. Western North America.
Pine stumps can have either species, but H. occidentale is only found under the intact surface bark of pine stumps. A fruiting body on pine is H. irregulare.
Created: 2010-03-07 01:07:24 EST (-0500) by Darvin DeShazer (darv)
Last modified: 2014-10-16 16:50:15 EDT (-0400) by walt sturgeon (Mycowalt)
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