Children (24 direct children, 26 direct and indirect children):
Eucephalus breweri
Brewer's aster
Eucephalus engelmannii
Engelmann's aster
Eucephalus vialis
Wayside aster
Eucephalus ledophyllus
(tree size 2)
Cascade aster
Eucephalus paucicapitatus
Olympic mountain aster
Eucephalus elegans
Elegant aster
Eucephalus glabratus
Smooth aster
Eucephalus glaucescens
Klickitat aster
Eucephalus gormanii
Gorman's aster
Eucephalus tomentellus
Rayless aster
Eucephalus covillei
Eucephalus glaucus
Eucephalus brickellioides
Eucephalus frigidus
Eucephalus scaber
Eucephalus serrulatus
Eucephalus perelegans
Eucephalus bicolor
Eucephalus glaucophyllus
Eucephalus ericoides
Eucephalus macounii
Eucephalus formosus
Eucephalus glandulosus
Eucephalus albus