Sida rhombifolia L. Sida rhombifolia L., Sp. Pl. 2: 684. 1753 sec. Fryxell 2011=Malva rhombifolia (L.) E.H.L. Krause, Deutschl. Fl. (ed. 2) 6: 238. 1901 syn. sec. The Plant List 2013=Sida pringlei Gand. in Bull. Soc. Bot. France 71: 631. 1924 syn. sec. Fryxell 1992