Golovinomyces asterum var. asterum by Stephen Luk

Stephen Luk | all galleries >> Fungi of Ontario >> Ascomycota (Sac Fungi) >> Leotiomycetes >> Family Erysiphaceae - Powdery Mildews > Golovinomyces asterum var. asterum

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12-Oct-2022

Golovinomyces asterum var. asterum

Oak Ridges, Richmond Hill, York Reg., Ontario

Host: New England Aster (Symphyotrichum novae-angliae)
Tentative ID based on host association. This may also be G. cichoracearum, which Liu and Braun (2022) mentions is found on S. novae-angliae in Manitoba.
iNaturalist observation

Reference
Liu, M. & Braun, U.. 2022. Powdery mildews on crops and ornamentals in Canada: a summary of the phylogeny and taxonomy from 2000 – 2019, Canadian Journal of Plant
Pathology, 44:2, 191-218, DOI: 10.1080/07060661.2021.1986744

Canon EOS 60D
1/400s f/8.0 at 100.0mm iso640 full exif

other sizes: small medium large auto

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