Children (18 direct children, 18 direct and indirect children):
Colletia paradoxa
Colletia spinosissima
Rosea
Colletia hystrix
Colletia spartioides
Colletia ulicina
Colletia sect. retanilla
Colletia articulata
Colletia chacaye
Colletia pubescens
Colletia nana
Colletia ephedra
Colletia spicata
Colletia infesta
Colletia spinosa
Colletia cruciata
Colletia infausta
Colletia serratifolia
Colletia cunninghamii