genus Podosphaera

Member of powdery mildews (family Erysiphaceae)
higher ascomycetes (subphylum Pezizomycotina)
ascomycete fungi (phylum Ascomycota)
fungi including lichens (kingdom Fungi)

Caution: There may be other wild species of this genus not yet included in this guide.

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Podosphaera rubi-spectabilis

• grows on leaves of california blackberry (Rubus ursinus) and salmonberry (Rubus spectabilis)

ninebark powdery mildew
Podosphaera physocarpi

• grows on leaves of pacific ninebark (Physocarpus capitatus)

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1 observed taxon / 2 unobserved taxons / 1 key

Chris’s observations: 1 (none are research grade)

Locations:

• Coal Creek OSP

Months:

• Mar.: 1

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Taxon info: iNaturalist

Bay Area species: iNaturalist