Susumu Takamatsu

Erysiphe alphitoides is a species of powdery mildew in the family Erysiphaceae. It is found across the world on every continent bar Antarctica, where it primarily infects plants in the genus Quercus (oaks). It has also been recorded with varying degrees of likelihood on other plants, including Aesculus (horse chestnut), Castanea (sweet chestnut), Fagus (beech) and Wisteria.

Podosphaera plantaginis is a species of powdery mildew in the family Erysiphaceae. It is found across the world, where it affects plantains (genus Plantago).

Podosphaera macularis (formerly Sphaerotheca macularis) is an ascomycete fungus that causes powdery mildew of hops. It is only known to be pathogenic on hop plants, including both ornamental and wild hops, and hemp.

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Podosphaera fuliginea is a species of powdery mildew in the family Erysiphaceae. It is found in North America and Eurasia, where it affects plants in the genus Veronica.

Podosphaera aphanis is a species complex of powdery mildews in the family Erysiphaceae. It is found across the world, wherever the host plants are found. Podosphaera aphanis sensu stricto is only found on Alchemilla.

Erysiphe flexuosa is a plant pathogen that causes powdery mildew on horse chestnut. It is native to North America but is currently spreading epidemically through Europe.

Caespitotheca is a genus of fungi in the family Erysiphaceae. The monotypic genus contains the single species Caespitotheca forestalis, which forms powdery mildew on leaves of plants in the genus Schinopsis.

Podosphaera fugax is a species of powdery mildew in the family Erysiphaceae. It is found across the globe, where it affects plants in the genus Geranium.

Parauncinula septata is a species of powdery mildew in the family Erysiphaceae. It is found on plants in the genus Quercus in Asia. It is known from China and Japan.

Erysiphe platani, also known as sycamore powdery mildew, is a fungus native to North America that now infects sycamore tree species worldwide. Infections may spread rapidly in urban settings with large groups of young trees or in plant nurseries. This mildew thrives when there are high humidity conditions during the growing season. Symptomatic trees show leaf discoloration and puckering as the mildew spreads across buds and leaf surfaces. The most visible effects, which include "leaf curling, stunting, and distortion," appear on vulnerable newly emerged leaves. This infection only appears on

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Podosphaera ferruginea is a species of powdery mildew in the family Erysiphaceae. It is found across Eurasia and North America, where it affects burnets (genus Sanguisorba).

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Parauncinula curvispora is a species of powdery mildew in the family Erysiphaceae. It is found on plants in the genus Fagus in Asia. It is endemic to Japan.

Parauncinula is a genus of fungi in the family Erysiphaceae. It is the earliest-diverging genus of powdery mildews and contains only four species, which were formerly classified in Uncinula. All of these species are endemic to East Asia and infect trees of the Fagaceae.

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Erysiphe diffusa is a fungal plant pathogen that is known to cause powdery mildew on multiple host genera, including soybeans. It has been recorded as a likely accidental infection on papaya, along with its usual host genera which include Glycine, Desmodium, Hylodesmum, Apios, Psoralea, Glycyrrhiza and Desmanthus. The species was formerly known as Microsphaera diffusa.

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