Centromadia

Centromadia parryi

Pappose tarweed

Centromadia bakeri

Centromadia pungens

Common spikeweed

Centromadia fitchii

Centromadia perennis

Centromadia parryi subsp. rudis

Centromadia parryi subsp. australis

Centromadia parryi subsp. parryi

Centromadia parryi subsp. congdonii

Centromadia pungens subsp. laevis

Centromadia pungens subsp. pungens