Powdery Mildew on Ranunculus repens 13-07-13 jamieharrop2013-07-13T21:35:00+01:00July 13th, 2013|0 Comments Erysiphe aquilegiae var. ranunculi on/with Creeping Buttercup (Ranunculus repens), leaves above and spent flower head below, found in a relatives garden. Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment. Don't subscribe All Replies to my comments Notify me of followup comments via e-mail. You can also subscribe without commenting.