Other family Papaveraceae

Arctomecon merriamii

Argemone pleiacantha

Canbya candida

Capnoides sempervirens

Chelidonium majus

Corydalis flavula

Cysticorydalis fedtschenkoana

Dactylicapnos torulosa

Dicentra formosa

Ehrendorferia ochroleuca

Eomecon chionantha

Eschscholzia ramosa

Fumaria officinalis

Glaucium fimbrilligerum

Hunnemannia fumariifolia

Hylomecon vernalis

Hypecoum imberbe

Ichtyoselmis macrantha

Lamprocapnos spectabilis

Macleaya cordata

Meconopsis betonicifolia

Papaver orientale

Platystemon californicus

Pteridophyllum racemosum

Roemeria refracta

Romneya coulteri

Sanguinaria canadensis

Sarcocapnos enneaphylla

Stylophorum diphyllum