Children (7 direct children, 7 direct and indirect children):
Navicula radiosa var. dubravicensis
Navicula radiosa f. nipponica
Navicula radiosa var. subrostrata
Navicula radiosa var. avenacea
Navicula radiosa var. manschurica
Navicula radiosa var. hankensis
Navicula radiosa f. intermedia