Matilija Poppy (Romneya) is a biological genus in the family Papaveraceae (Poppies) and order Ranunculales.
Romneya trichocalyx
Romneya coulteri
Ehrendorferia
Arctomecon
Dicentra
Sanguinaria
Chelidonium
Platystemon
Meconella
Corydalis
Fumaria
Eschscholzia
Glaucium
Romneya
Macleaya
Papaver
Argemone
Canbya
Dendromecon