Description: 1. Poa glauca Vahl var. glauca, syn. Poa caesia Sm. Original Description 1. Felsen-Rispengras, Poa caesia Sm. 2. Hain-Rispengras, Poa nemoralis L. Date: 1796. Source: Fig. from book Deutschlands Flora in Abbildungen, see http://www.biolib.de. Author: Johann Georg Sturm (Painter: Jacob Sturm).