Papaver – Papaver rhoeas, Papaver somniferum, Papaver orientale, Papaver nudicaule Eschscholzia – Eschscholzia californica Meconopsis – Meconopsis cambrica, Meconopsis napaulensis Stylophorum – celandine poppy Argemone – prickly poppy Romneya – matilija poppy and relatives Canbya – pygmy poppy Stylomecon – wind poppy Arctomecon – desert bearpaw poppy Hunnemannia – tulip poppy Dendromecon – tree poppy