Filipendula stepposa Juz.
Material examined.
RUSSIA, Tyumen Reg. - Vagai distr. • 700 m W-SW of Doronina; 58.0206°N, 69.2740°E; right-coast floodplain of Irtysh River, Lake Suhoe, high shore, willow bushes; 27 Jun. 2019 .