Japanese Maple tree distress

What are the yellowish dot-like markings on many leaves

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1 Comment To "Japanese Maple tree distress"

#1 Comment By Downtoearthdigs On 06/03/2018 @ 7:46 am

This could be Leaf or Tar Spot.
This link will help you identify.

http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/common_diseases_of_maples.pdf ^[1]

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[1] http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/common_diseases_of_maples.pdf: http://www.ct.gov/caes/lib/caes/documents/publications/fact_sheets/plant_pathology_and_ecology/common_diseases_of_maples.pdf

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