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Genus Thlaspi
- herbs of temperate regions: pennycress
Genus Thysanocarpus
- small genus of herbs of upland regions of the Pacific coast of North America
Genus Turritis
- closely related to and often included in genus Arabis
Genus Vesicaria
- small genus of chiefly Mediterranean herbs: bladderpods
Genus Papaver
- type genus of the Papaveraceae; chiefly bristly hairy herbs with usually showy flowers
Genus Bocconia
- tropical American trees or shrubs closely related to genus Macleaya
Genus Chelidonium
- one species: greater celandine
Genus Eschscholtzia
- showy herbs of western North America