Fungi: Basidiomycota - Pucciniales - rust fungus Gymnosporangium sabinae Aecia on Pyrus communis, Pear Hosts: Spermogonia and aecia on Pyrus spp. Telia on Juniperus chinensis, excelsa, oxycedrus, phoenicea, sabina, thurifera, virginiana Sometimes affected by Tuberculina persicina, a fungal hyperparasite

Gymnosporangium sabinae
Kingston Lacy, Dorset. October 2018