U of M Gardening Information: What's wrong with my plant?

Honeylocust > Branches > Dead branches or branch dieback

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Canopy appears thin with few leaves and multiple dead branches
Leaves are smaller in size and turn yellow earlier than normal
Fungal conks, a semicircle shelf fungi, can be found from the base of the tree up to 3 feet high on the trunk
Conks are reddish brown and shiny on top, white and porous underneath, a rim of white may be visible on the edge of growing conks
Infected wood at the base of the tree is white, soft, stringy or spongy
Infected trees frequently break or fall over in storms
More information on Ganoderma root and butt rot...

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Dead branches within the canopy
Groups or rows of small (<2 inches wide) semi-circle self fungi along killed branches or on the main trunk
Shelf fungi are white and appear fuzzy on top
Common on trees with an open wound or crack
Wood below fungal shelves is yellowish to white, crumbly and decayed; bark around fungal shelves is killed and often falls off

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Dead branches and twigs, often first observed in early spring when no leaves form
Or, wilting soon after leaves emerge in spring
Sunken dark brown area on branch that is often cracked or has a ridge at the edge
Raised cushion-like bumps on affected branches, may be cream to orange or red, turn black with age
Common on trees stressed by drought, recent transplant or other factors
More information on Coral spot canker...