Rhytisma salicinum
The inducer of this gall is unknown or undescribed.
Family: Rhytismataceae | Genus: Rhytisma
Detachable: integral
Color: black
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Location: upper leaf
Form: non-gall, leaf spot
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Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Tar spot (Rhytisma salicinum)
“
Black stromata with raised centres 2-5 mm diameter form on upper leaf surfaces.
”- Natural Resources Canada: (2015) Tar spot (Rhytisma salicinum)©
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