Trying to identify sycamore blighr - Ask Extension
I would like to identify the cause of this white fungus looking substance on the underside of my sycamore tree leaves
Knowledgebase
Trying to identify sycamore blighr #750731
Asked May 18, 2021, 7:30 PM EDT
I would like to identify the cause of this white fungus looking substance on the underside of my sycamore tree leaves
Anne Arundel County Maryland
Expert Response
This looks like normal hair growth. The undersurface of young leaves are covered with tufts of white woolly hair. Here is more information https://extension.psu.edu/mysteries-of-our-native-sycamore
https://naturalresources.extension.iastate.edu/forestry/iowa_trees/trees/sycamore.html
Marian