Tetragonia, or Tetragonia expansa, is a flowering plant in the fig-marigold family (Aizoaceae). It is often cultivated as a leafy vegetable.
Agretti, or Saltwort, is an annual plant of Chenopodiaceae family. It is a halophyte plant, and as such requires rich sales soils.
Rutabaga (or Swede), also known as Brassica napus napobrassica, is a biennial root vegetable plant originated as a cross between the cabbage and the turnip
Black Salsify, or Scorzonera hispanica, is a perennial plant member of the genus Scorzonera which plant has heads of yellow ray flowers.