Peronospora aquilegiicola Thines, Denton & Choi, 2019
on Aquilegia
gall
systemic infection: leaves of whole plant chlorotic with pale patches and curling. Underside a grey fungal bloom, consisting of vertical, distally strongly branched conidiophores.
host plants
Ranunculaceae, monophagous
Aquilegia alpina, buergeriana, flabellata, viridiflora, vulgaris.
notes
Originally found in Korea, but known since 2013 from the UK, where it is considered a serious threat to garden columbines.
references
Denton, Beal, Kilty, Denton, Choi & Thines (2015a).Thines, Denton, Beal ao (2019a).