Podosphaera drabae (Juel) Braun & Takamatsu, 2000

on Brassicaceae

gall

mycelium amphigenous, often also on stems an then forming a persistent white film. Conidia formed in chains, with fibrosin bodies. Cleistothecia with a single ascus, containing usually eight spores. Appendages only 2-6, sometimes lacking, sub-equatorial, shorter than the diameter, myceloid, flaccid, septate, mostly unbranched.

hostplants

Brassicaceae, oligophagous

Arabis alpina & subsp. caucasica, nova, planisiliqua; Aubrieta deltoidea; Braya purpurascens; Capsella bursa-pastoris, rubella; Descurainia sophioides; Draba alpina, cinerea, daurica, incana, nivalis, norvegica, sibirica; Parrya nudicaulis; Schivereckia podolica; Pseudoturritis turritis.

synonyms

Sphaerotheca drabae Juel, 1890.

references

Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a).

mod 1.ix.2018