Back فرد الكسندر باركلي Arabic فرد الكسندر باركلى ARZ Fred Alexander Barkley English Fred Alexander Barkley Spanish Fred Alexander Barkley French Баркли, Фред Александр Russian Фред Александр Барклі Ukrainian
Fred Alexander Barkley (1908 – 1989) è stato un botanico statunitense[1].
- ^ Harvard University Herbaria - Index of Botanists - Barkley, Fred Alexander, su Harvard University Herbaria, Harvard University, 2011. URL consultato l'11 febbraio 2014.