Description: NatureGate:
Dracocephalum sibiricum (L.) L., syn. Nepeta sibirica L., Nepeta macrantha Fisch. Original Description Sibirischer Drachenkopf, Nepeta macrantha. Date: 1796. Source: Fig. from book Deutschlands Flora in Abbildungen at
http://www.biolib.de. Author: Johann Georg Sturm (Painter: Jacob Sturm).