Root rot causing fungus (Armillaria mellea -group) producing rhizomorps on Norway spruce (Picea abie
Root rot causing fungus (Armillaria mellea -group) producing rhizomorps on Norway spruce (Picea abies). -- source link
#fungus#mycology#root rot#armillaria#basidiomycota#rhizomorph#spruce#nature#plant pathogen#plant disease