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Shelf Fungus on Black Locust: Art or Decay?

Conks on black locust = Phellinus robiniae (not artist's conk, Ganoderma applanatum). May be used similarly for drawing, but primarily indicates heart rot. No practical use beyond decoration.

About Gardening: Brazilian Red Cloak Leaf Damage: Environmental Stress, Not Disease; Diagnosing Black Dots and Resin on Young Tree Leaves; Sooty Mold on Foxtail Palms: Caused by Scale or Aphids; Rose Black Spot vs. Bud Blackening: Diagnosis and Dormant Oil Strategy; Black Spot vs. Virus: Why Are My Rose Leaves Stunted and Shriveled?; Black Spot on Mature Roses – Organic Management; Black Slimy Balls in Yard: Fungus Identification and Treatment; Shelf Fungi (Conks) on Black Locust: Art or Decoration?; Black Rat Snake: Beneficial Garden Resident; Tree Conk (Fungal Fruiting Body) on Hickory: What It Means

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