Doassansia sagittariae (Fuckel) Fisch, 1884

on Sagittaria

gall

whitish to brown leaf spots, small at first but in the end sometimes covering the entire leaf. Numerous embedded spore balls cause minuscule brown pustules. The spore balls measure 50-175 µm and consist of a central mass of spores, covered by a cortical layer of sterile cells.

host plants

Alismataceae, monophagous

Sagittaria montevidensis, natans, sagittifolia.

references

Ainsworth & Sampson (1950a), Buhr (1965a), Klenke (2002a), Klenke & Scholler (2015a), Savchenko & Heluta (2012a), Scholz & Scholz (2013a), Vanderweyen & Fraiture (2014a), Vánky (1994a).