Erysiphe buhrii Braun, 1978
on Caryophyllaceae

Silene dioica, Belgium, prov. Antwerp, Griesbroek-Balen © Carina Van Steenwinkel: conidiophore

appressoria

conidia

germinating conidium
gall
mycelium amphigenous, also on the stems. Appressoria lobed, single or paired. Conidia solitary, oblong-elliptic, without fibrosin bodies. Cleistothecia with 4-10 asci, that contain 3-5 spores. Appendages up to 30, sub-equatorial, mostly shorter than the diameter; they are mycelioid, septate, rather strongly branched, sometimes even coralloid.
hostplants
Caryophyllaceae, oligophagous
Acanthophyllum; Arenaria; Cerastium arvense, tomentosum; Dianthus armeria, barbatus, capitatus, carylophyllus, chinensis, giganteus, marschallii, membranaceus, petraeus; Gypsophila acutifolia, altissima, elegans, fastigiata, glomerata, libanotica, muralis, paniculata, scorzonerifolia; Minuartia adenotricha, setacea; Myosoton aquaticum; Saponaria ocymoides, officinalis; Silene alba, baccifera, behen, chalcedonica, coronaria, densiflora, dioica, discolor, flos-jovis, gallica, x hampena, heuffelii, latifolia, legionensis, multifida, noctiflora, nutans, otites, radicosa, scabriflora, supina, vulgaris; Stellaria.
references
Bahçecioğlu, Kabaktepe & Yildiz (2006a), Bahçecioğlu & Yildiz (2005a), Brandenburger (1985a: 111), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Heluta, Hayova, Tykhonenko ao (2010a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (1995a), Kruse (2019a), Letysen (20917a), Negrean (1996a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a), Scholler, Reinhard & Schubert (1996a).