Spinach or Spinacia oleracea L. belongs to the Chenopodiaceae family.  The Chenopodiaceae family also includes crop such as beet (Beta vulgaris L. subsp. vulgaris) and chard (swiss chard: Beta vulgaris L. var cicla: Ulrich) The most will known swiss chard variety among growers is Ford Hook Giant.  Most people regard swiss chard as actual spinach.  [...]