Poa supina Schrad., Fl. Germ. 1: 289. 1806 Poa supina Schrad., Fl. Germ. 1: 289. 1806is basionym for Poa annua subsp. supina (Schrad.) Linkis basionym for Ochlopoa supina (Schrad.) H. Scholz & Valdés in Willdenowia 36: 662. 2006Taxon for this namePoa supina Schrad., Fl. Germ. 1: 289. 1806