Doassansia alismatis (Nees) Cornu, 1883

on Alisma, Damasonium

gall

initially yellowish white, later brownish spots, 1-15 mm in diameter. Embedded in the tissue, spore balls are formed, that are just visible as 0.1 – 0.2 mm large dark points. A spore ball consists of a mass of spores, surrounded by an envelope of one or two layers of sterile cells.

hostplants

Alismataceae, oligophagous

Alisma gramineum, lanceolatum, plantago-aquatica; Damasonium alisma.

Almaraz mentions this species from Spain on Baldellia ranunculoides.

synonyms

Phyllosticta curreyi Saccardo, 1884.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Brandenburger (1985a), Buhr (1964b), Ellis & Ellis (1997a), Grove (1935a), Klenke & Scholler (2015a), Lutz & Vánky (2009a), Savchenko & Heluta (2012a), Vanderweyen & Fraiture (2014a), Vánky (1981a, 1994a).

23/03/2017

mod 25.vii.2017