Taphrina polyspora (Sorok─źn) Johanson, 1886

on Acer

gall

leaves with yellowish to reddish brown spots, up to cm wide, sometimes somewhat swollen. At the upper side a grey layer of asci forms. The infested leaf parts finally turn black and die off.

host plants

Sapindaceae, narrowly monophagous

Acer sempervirens, tataricum.

references

Bataille (1936a), Buhr (1964b), Klenke & Scholler (2015a), Mix (1949a).

mod 3.iii.2019