Golovinomyces magnicellulatus (Braun) Heluta, 1988

on Phlox, Polemonium

gall

mycelium amphigenous, persistent, often causing a conspicuous pattern of white spots on the leaves. Appressoria nipple-shaped. Conidia formed in short chains, without fibrosin bodies. Cleistothecia with 10-25 asci, with 2 (up to 4) spores. Appendages numerous, equatorial and subequatorial, 0.5-2.5 x the diameter; mycelioid, simple, septate, ultimately brown.

host plants

Polemoniaceae, oligophagous:

Phlox decussata, drummondii, maculata, paniculata; Polemomium acutiflorum, boreale, caeruleum, carneum.

Abasova ao report also Alcea rosea (Malvaceae)!

synonyms

Erysiphe magnicellulata Braun, 1978.

references

Abasova, Aghayeva & Takamatsu (2017a), Beenken & Senn-Irlet (2016a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Czerniawska (2001a), Dynowska, Fiedorowicz & Kubiak (1999a), Henricot (2009a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Leysen (2013a), Mułenko, Piątek, Wołczańska ao (2010a), Negrean & Anastasiu (2006a), Ruszkiewicz-Michalska & Michalski (2005a) , Scholler, Schmidt, Siahaan ao (2016a), Sucharzewska, Dynowska, Kubiak ao (2012b), Tóth (1994a).