"The mature gall is more variable in shape than those of G. gallaesolidaginum [G. gallaesolidaginis] and G. jocelynae, ranging from vertically symmetrical to pear-shaped..."

"Solidago sempervirens is a long-known foodplant... In the present study, foodplant ramets from sites in Ohio and Maryland bearing galls plugged with dark bungs flush with the gall exterior were identified as S. juncea ... I sometimes found G. salinarum galls on S. ulmifolia in Maryland, but only at a few sites where galls were abundant on S. juncea."