Summary[edit] Description: 1. Iris sibirica L. 2. Iris graminea L. Original Caption 1. Sibirische Schwertlilie, Iris sibirica 2. Grasahnliche Schwertlilie, Iris graminea. Date: 1796. Source: Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de. Author: Johann Georg Sturm (Painter: Jacob Sturm). Other versions: : This file has an extracted image: File:Iris graminea cleaned Sturm.png. : .