Beta vugaris (beetroot, Swiss chard, sugar beet, mangold...)!

Beetroot, spinach beets, Swiss chard, sugar beets, mangel wurzel and fodder beets are all the same species?! Which plant is the wild ancestor of this widely cultivated vegetable? What is mangel wurzel? Why should you consider growing and incorporating Beta vulgaris into your diet?Opening tune: Amaranthaceae by Carmen Porter (https://carmenporter.com)References: https://www.hort.purdue.edu/newcrop/duke_energy/Beta_vulgaris.htmlhttps://www.researchgate.net/publication/353802475_Evolution_of_Root_Morphology_in_Table_Beet_Historical_and_Iconographichttps://www.betterhensandgardens.com/growing-mangel-beets-for-chickens/https://www.hort.purdue.edu/newcrop/duke_energy/Beta_vulgaris.htmlhttps://www.seedsavers.org/grow-beethttps://www.nutritionadvance.com/beet-greens-nutrition-benefits/