BACKGROUND: Archaeobotanical samples of barley (Hordeum vulgare L. ) found at Qasr Ibrim display a two-row phenotype that is unique to the region of archaeological sites upriver of the first cataract of the Nile. characterised by the development of distinctive lateral bracts. The phenotype occurs throughout all strata at Qasr Ibrim. https://parisnaturalfoodes.shop/product-category/methylcobalamin/