Kebnat
MUSHROOMS

Cedar-apple rust

Gymnosporangium juniperi-virginianae

Mushrooms
Cedar-apple rust, photo 1 of 5
Cedar-apple rust, photo 2 of 5
Cedar-apple rust, photo 3 of 5

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

Fungus.

There are 6 observations of Cedar-apple rust in Québec, mostly in Capitale-Nationale, Montérégie and Montréal, and it has been reported in 4 of the 17 regions. They peak in June and August.

Through the year

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Where to see it

  1. Capitale-Nationale3
  2. Montérégie1
  3. Montréal1
  4. Outaouais1

Grows on

Eastern red-cedarJuniperus virginiana
Southern crab appleMalus angustifolia
Downy hawthornCrataegus mollis
Creeping juniperJuniperus horizontalis
Prairie crab appleMalus ioensis
Common juniperJuniperus communis
European crab appleMalus sylvestris
Siberian crabappleMalus baccata
Common crabappleMalus domestica

Similar species

Tongues Of FireGymnosporangium clavariiforme
Cedar quince rustGymnosporangium clavipes
Cedar-Hawthorn RustGymnosporangium globosum
TOXIC
Witch's butterTremella mesenterica
Orange Jelly SpotDacrymyces chrysospermus
European Pear RustGymnosporangium sabinae
Mountain ash juniper rustGymnosporangium cornutum
Pine-pine Gall RustCronartium harknessii
Pine-oak gall rustCronartium quercuum
TOXIC
Small StagshornCalocera cornea