Taphrina polyspora (Sorokīn) Johanson, 1886

on Acer

Taphrina polyspora

asci (from Mix, 1949a)

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), Roskam (2019a).

mod 14.ix.2019