list of genera of wood decay fungi
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| Phellinus arctostaphyli; causes white spongy rot of Arctostaphylos manzanitae; sporocarp small to medium; black cracked pileus; hymenophore porose with small pores | Phellinus igniarius; in our area causes white spongy rot of black willow; characterized a lot like P. arctostaphyli except with a larger sporocarp |
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| Phellinus pini; with black cracked pileus; hymenophore porose, yellowish-brown; pores large and angular; causes white pocket rot of heartwood in living conifers, particularly Douglas fir; punky knots (on right) | ||
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| Phellinus chrysoloma; imbricate sporocarps with characters of P. pini; causes white pocket rot in the heartwood of living Abies. | Phellinus ferruginosus; causes white spongy rot of hardwood slash and down trees; sporocarps resupinate, medium brown, of woody texture | ||