Galium aparine, Nieuwendam

detail, cleistothecia

gall

mycelium amphigenous, also in the stems. Appressoria lobed, rarely nipple-shaped. Conidia in chains, short-elliptic, without fibrosin bodies. Cleistothecia with 4-10 asci that ripen only after hibernation, and then contain 2(-4) spores. Appendages in variable numbers, sub-equatorial, up to 2 x the diameter; they are poorly differentiated from normal hyphae.

host plants

Rubiaceae, oligophagous

Cruciata glabra, laevipes; Galium album, aparine, aristatum, boreale, glaucum, intermedium, mollugo, odoratum, palustre, x pomeranicum, ruthenicum, spurium & subsp. vaillantii, sylvaticum, tricornutum, uliginosum, verum; Phuopsis stylosa.

synonyms

Erysiphe galii Blumer, 1933.

references

Blumer (1967a), Brandenburger (1985a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Ellis & Ellis (1997a), Hafellner (1980a), Heluta, Hayova, Tykhonenko ao (2010a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Kruse, Thiel, Frauenberger ao (2019a), Mułenko, Sałata & Wołczańska (1995a), Negrean & Denchev (2004a), Ruszkiewicz-Michalska (2006a), Scholler, Reinhard & Schubert (1996a), Świderska, Wołczańska, Kozłowska ao (2005a), Voytyuk, Heluta & Nevo (2004a).