Heterodoassansia ranunculina (Davis) Vánky 2007

on Ranunculus

gall

vague spots in the floating leaves (not in the submerged leaves); here usually epiphyllous spore balls are formed that are just visible as dark brown dots. The spore balls, up to 200 µm, consist of a mass of spores, surrounded by a, sometimes double, layer of sterile cells.

host plants

Ranunculaceae, narrowly monophagous

Ranunculus aquatilis, peletatus, trichopyllus.

synonyms

Doassansia putkonenii Liro, 1920; Heterodoassansia putkonenii (Liro) Vánky, 1993.

references

Buhr (1965a), Klenke & Scholler, (2015a), Scholz & Scholz (2013a), Tomasi (2014a), Vánky (1994a).

mod 22.iii.2019