Kebnat
MUSHROOMS

Butternut canker

Ophiognomonia clavigignenti-juglandacearum

Mushrooms
Invasive
Butternut canker, photo 1 of 5
Butternut canker, photo 2 of 5
Butternut canker, photo 3 of 5

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

Fungus. Invasive.

There are 17 observations of Butternut canker in Québec, mostly in Outaouais, Montréal and Capitale-Nationale, and it has been reported in 4 of the 17 regions. They peak in April and become rare from November to March.

Through the year

JFMAMJJASOND

Where to see it

  1. Outaouais9
  2. Montréal5
  3. Capitale-Nationale2
  4. Montérégie1

Grows on

ButternutJuglans cinerea
Black walnutJuglans nigra
TOXIC
Japanese walnutJuglans ailantifolia