Children (28 direct children, 40 direct and indirect children):
Helianthella quinquenervis
(tree size 1)
Fivenerve helianthella
Helianthella parryi
Parry's dwarf-sunflower
Helianthella castanea
(tree size 1)
Mt. diablo helianthella
Helianthella californica
(tree size 6)
California helianthella
Helianthella durangensis
Helianthella gypsophila
(tree size 1)
Helianthella mexicana
(tree size 1)
Helianthella microcephala
Purpledisk helianthella
Helianthella uniflora
(tree size 2)
Oneflower helianthella
Helianthella ciliata
Helianthella covillei
Helianthella pringlei
Helianthella nevadensis
Helianthella madrensis
Helianthella grandiflora
Helianthella tenuifolia
Helianthella argophylla
Helianthella douglasii
Helianthella weberi
Helianthella cannonae
Helianthella majuscula
Helianthella scabra
Helianthella aldersonii
Helianthella lanceolata
Helianthella iostephanoides
Helianthella nudicaulis
Helianthella latifolia
Helianthella multicaulis