A. Petals the Same Size and Shape
Chicalote, Prickly Poppy: Argemone munita ssp. rotundata (Synonyms: Argemone platyceras, Argemone platyceras var. hispida)
California Poppy, Golden Poppy: Eschscholzia californica ssp. californica (Synonyms: Eschscholzia californica, Eschscholtzia californica, Eschscholzia californica var. crocea, Eschscholzia californica var. douglasii, Eschscholzia californica var. maritima, Eschscholzia californica var. peninsularis, Eschscholzia procera) -
White Fairypoppy, White Fairy-poppy, White Meconella: Meconella oregana -
Long Pricklyhead Poppy, Long Prickly-headed Poppy: Papaver argemone -
B. Petals Irregular, of different sizes and Shapes (Fumariaceae - sometimes included in this family):
The Genus Corydalis -
The Genus Dicentra -