Super job grabbing our attention with a visually striking banner, and adding to our education with the additional photos. I managed to guess the leaf shown had some sort of disease, but that's as far as I got. I'd never seen the disease stage shown in the third of your photos, but junipers and apples and hawthorns are common enough that I should make a point of looking for it this spring.
Is there a forum on this site for talking about, and illustrating plant diseases like this? If not, there should be.
