Sawadaea tulasnei

Sawadaea tulasnei
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Leotiomycetes
Order:	Helotiales
Family:	Erysiphaceae
Genus:	Sawadaea
Species:	S. tulasnei
Binomial name
Sawadaea tulasnei (Fuckel) Homma, 1937
Synonyms
Uncinula tulasneiFuckel, 1866 Uncinula aceris var. tulasnei(Fuckel) E.S. Salmon, 1900 Uncinula bicornis var. tulasnei(Fuckel) W.B. Cooke, 1952

Sawadaeatulasnei is a species of powdery mildew in the family Erysiphaceae. It is found in Eurasia and North America, where it affects maples (genus Acer ). ^[1]

Description

The fungus forms dense, white sharp-edged patches on the leaves of its host. Sawadaeatulasnei affects multiple species in the genus Acer, but some hosts include Acer platanoides , A. macrophyllum , and A. tataricum . Some of these species can also be affected by other Sawadaea species. ^{[1] [2]}

Taxonomy

The species was first described by Fuckel in 1866 with the basionym Uncinula tulasnei. The species was transferred to the genus Sawadaea (named after the Japanese mycologist Sawada) by Homma in 1937.

References

1. Braun, Uwe; Cook, Roger T. A. (2012). Taxonomic manual of the Erysiphales (powdery mildews). CBS biodiversity series. Utrecht: CBS-KNAW fungal biodiversity centre. ISBN   978-90-70351-89-2.
2. Feng, J.; Guan, G.X.; Wu, X.L.; Liu, S.Y.; Song, J.G.; Bradshaw, M.; Götz, M.; Braun, U.; Takamatsu, S.; Heluta, V.; Jin, D.N.; Wang, S.B.; He, Y.H.; Zhang, Z.Y.; Liu, L. (2025). "Phylogeny and taxonomy of Acer powdery mildews, including genera Sawadaea and Takamatsuella (Erysiphaceae, Ascomycota)". Studies in Mycology. doi: 10.3114/sim.2025.112.01 . ISSN   0166-0616.