. "Franz Wilhelm Sieber (30 March 1789 \u2013 17 December 1844), was a botanist and collector who travelled to Europe, the Middle East, Southern Africa and Australia."@en . "Austrian botanist" . "1789-03-30Z"^^ . "1789Z"^^ . . . "1844-12-17Z"^^ . "Franz Sieber"@en . "1844Z"^^ . "Sieber, Franz"@en . .