Deutschl. Fl. 2: 126 (1796). Type locality: Germany, Niedersachsen, Oldenburg, Litteler Fuhrenkamp, 1919, H. Sandstede in Sandstede: Cladon. Exs. 477 (UPS - neotype). Neotypification by Ahti (1993: 83).
Type locality: Germany, Niedersachsen, Oldenburg, Litteler Fuhrenkamp, 1919, H. Sandstede in Sandstede: Cladon. Exs. 477 (UPS - neotype). Neotypification by Ahti (1993: 83).