Rhytisma salicinum

In Progress

Family: Rhytismataceae (Fungus) | Genus: Rhytisma

Detachable: Integral
Color: black
Texture:
Abundance:
Shape:
Season:
Alignment:
Walls:
Location: upper leaf
Form: non-gall, leaf spot
Cells:
Possible Range:
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Gall image

Stromata of Rhytisma salicinum on willow

Image by Eric Allen, Natural Resources Canada, Canadian Forest Service © CC-BY

Image Details

Gall image
Source:
License: CC-BY
Attribution:
Creator: Eric Allen, Natural Resources Canada, Canadian Forest Service
Uploader: nancyasquith
Last Modified: nancyasquith
Caption: Stromata of Rhytisma salicinum on willow
Gall image
Image by Eric Allen, Natural Resources Canada, Canadian Forest Service © CC-BY

Further Information (1)

Tar spot (Rhytisma salicinum) - Natural Resources Canada (2015) [Link]

License: CC-BY

See Also:
iNaturalist BugGuide Google Scholar Biodiversity Heritage Library
Created Feb 4, 2026 1:47 PM UTC • Last updated Feb 4, 2026 1:47 PM UTC