Children (12 direct children, 13 direct and indirect children):
Boykinia occidentalis
Coastal brookfoam
Boykinia major
(tree size 1)
Large boykinia
Boykinia rotundifolia
Roundleaf brookfoam
Boykinia lycoctonifolia
Boykinia jamesii
Boykinia richardsonii
Richardson's brookfoam
Boykinia aconitifolia
Allegheny brookfoam
Boykinia heucheriformis
Boykinia intermedia
Sierra brookfoam
Boykinia sect. peltoboykinia
Boykinia sect. telesonix
Boykinia elata