Erysiphe geraniacearum Braun & Simonyan, 1984
on Erodium, Geranium
gall
mycelium amphigenous, thin. Appressoria lobed, single or paired. Conidia solitary, long-elliptic, without fibrosin bodies. Conidiophore made up of an elongated foot cell and 1 or 2 shorter cells. Cleistothecia, rarely formed, with 3-6 asci, that contain 3-7 spores. Appendages 7-25, sub-equatorial, 0.5-2.5 x the diameter; they are mycelioid, septate, simple; the lower half is brown.
host plants
Geraniaceae, oligophagous
Erodium cicutarium; Geranium albiflorum, dissectum, maculatum, molle, palustre, phaeum, pratense, pusillum, pyrenaicum, robertianum, rotundifolium, sanguineum, sibiricum, sylvaticum, tuberosum, wilfordii.
references
Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a), Kruse (2019a), Ruszkiewicz-Michalska & Michalski (2005a) .