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MUSHROOMS

Willow Tarspot

Rhytisma salicinum

Mushrooms
Willow Tarspot, photo 1 of 5
Willow Tarspot, photo 2 of 5
Willow Tarspot, photo 3 of 5

Assisted identification only. Never eat anything without an expert’s confirmation.

Fungus.

There are 7 observations of Willow Tarspot in Québec, mostly in Nord-du-Québec, Gaspésie–Îles-de-la-Madeleine and Bas-Saint-Laurent, and it has been reported in 4 of the 17 regions.

Where to see it

  1. Nord-du-Québec3
  2. Gaspésie–Îles-de-la-Madeleine2
  3. Bas-Saint-Laurent1
  4. Capitale-Nationale1

Taxonomy

KingdomFungiPhylumAscomycotaClassLeotiomycetesOrderRhytismatalesFamilyRhytismataceaeGenusRhytisma

Grows on

Arctic willowSalix arctica
Sandbar willowSalix interior
Shining willowSalix lucida
Black willowSalix nigra
Peach-leaf willowSalix amygdaloides
Bebb's willowSalix bebbiana
Heartleaf willowSalix cordata
Northern willowSalix arctophila
Pussy willowSalix discolor
Snowbed willowSalix herbacea
Feltleaf willowSalix alaxensis
Grayleaf willowSalix glauca

Similar species

Sycamore TarspotRhytisma acerinum
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