Texas Vascular Plant Checklist:  Papaveraceae
The Poppy Family
(Magnoliophyta, Magnoliopsida, Magnoliidae)

 Argemone
   aenea G.B. Ownbey (golden prickly poppy)
   albiflora subsp. texana G.B. Ownbey (white picklepoppy)
   aurantiaca G.B. Ownbey (texas prickly poppy)
   chisosensis G.B. Ownbey (chisos picklepoppy)
   mexicana L. (yellow picklepoppy, devils fig, cardo santo)
   polyanthemos (Fedde) G.B. Ownbey (white prickly poppy)
   sanguinea Greene (spiny picklepoppy, red poppy)
   squarrosa subsp. glabrata G.B. Ownbey

 Eschscholzia
   californica subsp. mexicana (Greene) C. Clark (mexican gold poppy, amapola de campo)

 Glaucium
   corniculatum (L.) J.H. Rudolph (black spot horn poppy)

 Papaver
   rhoeas L. (corn poppy, amapola)
   somniferum L. (opium poppy, common poppy)

 Sanguinaria
   canadensis L. (blootroot, red puccoon)