Black spots on a young red maple tree

in the backyard i have a red maple about 6 feet tall 2-3 feet wide, seems to be relative young. this year late summer i noticed black spots about 3/4 inch diameter started to show up on the upper leaves…

Tatarian Maple Tree

We have a tatarian maple tree, all the leaves have spots on them. We went to the Toronto master gardeners and they think it’s a fungus. Enclosed is a pictures for you to see. We appreciate your help to recognize…