Geranium cf. molle, Nieuwendam

gall

mycelium amphigenous, often also on stems an then forming a persistent white film. Conidia formed in chains, with fibrosin bodies. Cleistothecia (rarely present) with a single ascus, containing usually eight spores. Appendages fairly numerous, originating at the basal half of the cleistothecium, 1-5 x the diameter, mycelioïd, flaccid, septate, mostly unbranched.

host plants

Geraniaceae, monophagous

Geranium collinum, columbinum, dissectum, divaricatum, macrorrhizum, molle, palustre, phaeum, pratense, pseudosibiricum, pusillum, pyrenaicum, robertianum, rotundifolium, sanguineum, sylvaticum, tuberosum, wilfordii.

synonyms

Sphaerotheca fugax Penzig & Saccardo, 1884.

references

Blumer (1946a), Buhr (1964b), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Leysen (2017a), Ludwig (1974a), Ruszkiewicz (2000a), Ruszkiewicz-Michalska (2006a), Ruszkiewicz-Michalska & Michalski (2005a), Scholler, Reinhard & Schubert (1996a).