Photo 53140970, (c) Susan Marley, some rights reserved (CC BY), uploaded by Susan Marley

Attribution © Susan Marley some rights reserved Uploaded by susan_marley Source iNaturalist United Kingdom Associated observations Photos / Sounds What Oak Powdery Mildew (Erysiphe alphitoides) Observer susan_marley Date October 2, 2019 01:45 PM BST Place Sankey Valley Park, Blackbrook Road, St Helens, Merseyside, UK (Google, OSM) Date Added October 3, 2019 08:27 PM BST 2 IDs Research Grade View Sizes small medium large original