Thaumatophyllum tweedieanum (Schott) Sakur., Calazans & Mayo, 2018

Sakuragui, Cassia Monica, Calazans, Luana Silva Braucks, Oliveira, Leticia Loss de, Morais, Erica Barroso de, Benko-Iseppon, Ana Maria, Vasconcelos, Santelmo, Schrago, Carlos Eduardo Guerra & Mayo, Simon Joseph, 2018, Recognition of the genus Thaumatophyllum Schott - formerly Philodendron subg. Meconostigma (Araceae) - based on molecular and morphological evidence, PhytoKeys 98, pp. 51-71 : 61

Thaumatophyllum tweedieanum (Schott) Sakur., Calazans & Mayo comb. nov.

Philodendron tweedieanum Schott, Bonplandia (Hannover) 7: 29. 1859.

Philodendron tweedieanum Type. Argentina, Entre Rios, delta region of Rio Paraná, J. Tweedie s.n. (lectotype, designated here: K; isolectotype: LE).

Philodendron dubium Chodat & Vischer, Bull. Soc. Bot. Genève 11: 295. 1919 publ. 1920.

Philodendron tweedieanum Type. Paraguay, prope San Bernardino, E. Hassler 1713 (lectotype, designated here: G); Paraguay, Lago Ypacaraí, R.H. Chodat & W. Vischer 359 (remaining syntype: G, not found).