Calamagrostis pseudophragmites subsp. dubia
Synonymy
Source: Valdés, B. & Scholz, H.; with contributions from Raab-Straube, E. von & Parolly, G. (2009+): Poaceae (pro parte majore). Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Calamagrostis pseudophragmites subsp. dubia in Fedorov, Fl. Evropeiskoi Casti SSSR 1: 224. 1974