Children (20 direct children, 26 direct and indirect children):
Collinsonia canadensis
(tree size 4)
Richweed
Collinsonia verticillata
Stoneroot
Collinsonia anisata
(tree size 1)
Collinsonia australis
Collinsonia elsholtzioides
Collinsonia glandulosa
Collinsonia japonica
Collinsonia macrobracteata
Collinsonia punctata
Collinsonia sinensis
Collinsonia szechuanensis
Collinsonia serotina
Collinsonia tuberosa
Collinsonia decussata
Collinsonia ovalis
Collinsonia praecox
Collinsonia scabra
Collinsonia scabriuscula
(tree size 1)
Collinsonia urticifolia
Collinsonia verticillaris