Erysiphe ornata (U. Braun) U. Braun & S. Takam. 2000

have host

• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Agastache pallida (Lindl.) Cory (pale giant hyssop)
• Global Biotic Interactions: Betula pumila L. (bog birch)
• Global Biotic Interactions: Betula populifolia Marshall (Fire birch)
• Global Biotic Interactions: Betula nana L. (Arctic dwarf birch)
• Global Biotic Interactions: Betula lenta L. (Black birch)
• Global Biotic Interactions: Betula pendula subsp. mandshurica (Regel) Ashburner & McAll. (Alaska Paper Birch)
• Global Biotic Interactions: Betula tianschanica Rupr.
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula lenta L. (Black birch)
• Global Biotic Interactions: Betula lenta L. (Black birch)
• Global Biotic Interactions: Betula ermanii Cham. (Erman's Birch)
• Global Biotic Interactions: Betula nana L. (Arctic dwarf birch)
• Global Biotic Interactions: Betula pumila L. (bog birch)
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula fruticosa Pall. (Japanese bog birch)
• Global Biotic Interactions: Betula papyrifera Marshall (paper birch)
• Global Biotic Interactions: Betula humilis Schrank (Shrubby Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula sandbergii Britton ()
• Global Biotic Interactions: Betula medwediewii Regel
• Global Biotic Interactions: Betula lenta L. (Black birch)
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula pendula Roth (Common Birch)
• Global Biotic Interactions: Betula microphylla Bunge
• Global Biotic Interactions: Betula pubescens Ehrh. (Brown Birch)
• Global Biotic Interactions: Betula nana L. (Arctic dwarf birch)
• Global Biotic Interactions: Betula alleghaniensis Britton (Gray birch)