Children (16 direct children, 19 direct and indirect children):
Common sunstar
(tree size 1)
Crossaster papposus
Crossaster squamatus
Crossaster penicillatus
Crossaster borealis
(tree size 2)
Crossaster japonicus
Crossaster multispinus
Crossaster campbellicus
Crossaster helianthus
Crossaster diamesus
Crossaster scotophilus
Crossaster vancouverensis
Crossaster aboverrucosus
Crossaster alternatus
Crossaster koreni
Crossaster neptuni
Crossaster ochotensis