]> FH barcode-01131015 United States of America Massachusetts Collected from the Arnold Arboretum nursery Erysiphe cornigena M. Bradshaw, U. Braun, S. Takamatsu & Pfister M. Bradshaw, U. Braun, S. Takamatsu & Pfister 2025-04-25 13:25:33 M. J. Bradshaw