Nieuwland, J.A. 1916: Critical Notes on New and Old Genera of Plants. IX. - The American Midland Naturalist4(11): 500-501. [RLL Suppl.] Keywords: MOLYBDOPLACA/ STEINERA
Abstract: [New: Molybdoplaca (nom. nov.), M. vulgaris (nom. nov.) (= Steinera molybdoplaca)]