Rots - White rot -cellulose and lignin digested. Brown rot - cellulose digested, lignin altered. Discolored wood -cell contents and walls altered, color change. Wetwood- cell contents and walls altered by anaerobes mostly, not always a color change. Soft rot- cell walls eroded with distinct patterns. Pit erosion -pits selectively digested, mostly in ponded logs. For information on Ring Rots click here. See "CODIT"
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