Select a Genus
- Adlumia (2 species)
- Arctomecon (3 species)
- Argemone (50 species)
- Bocconia (10 species)
- Canbya (2 species)
- Capnoides (1 species)
- Cathcartia (4 species)
- Ceratocapnos (5 species)
- Chelidonium (7 species)
- Coreanomecon (1 species)
- Corydalis (697 species)
- Cryptocapnos (1 species)
- Cysticapnos (7 species)
- Dactylicapnos (17 species)
- Dendromecon (4 species)
- Dicentra (10 species)
- Dicranostigma (4 species)
- Ehrendorferia (2 species)
- Eomecon (1 species)
- Eschscholzia (22 species)
- Fumaria (95 species)
- Fumariola (1 species)
- Glaucium (40 species)
- Hunnemannia (2 species)
- Hylomecon (4 species)
- Hypecoum (21 species)
- Ichtyoselmis (3 species)
- Lamprocapnos (1 species)
- Macleaya (2 species)
- Meconella (3 species)
- Meconopsis (142 species)
- Oreomecon (84 species)
- Papaver (115 species)
- Platycapnos (5 species)
- Platystemon (1 species)
- Platystigma (2 species)
- Pseudo-fumaria (5 species)
- Pteridophyllum (1 species)
- Roemeria (16 species)
- Romneya (2 species)
- Rupicapnos (19 species)
- Sanguinaria (1 species)
- Sarcocapnos (13 species)