Species

Chondrostereum purpureum (Silverleaf fungus)

Chondrostereum purpureum. Photo: (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)

iNaturalist • Wikipedia

Silver leaf is a fungal disease of trees caused by the fungus plant pathogen Chondrostereum purpureum. It attacks most species of the rose family Rosaceae, particularly the genus Prunus. The disease is progressive and often fatal. The common name is taken from the progressive silvering of leaves on affected branches. It is spread by airborne spores landing on freshly exposed sapwood. For this reason cherries and plums are pruned in summer, when spores are least likely…

— Wikipedia

Sightings

Where in Humboldt

Discussion

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