habitat_substrate_malus
malus|apple
Aecia chiefly on hawthorn (Crataegus), also on apple (Malus sylvestris) and other Malus spp., pear (Pyrus communis) and Sorbus. Telia on Juniperus virginiana and related species of the 'sabina' group.
Gymnosporangium globosum
Gymnosporangium globosum