Iresine rzedowskii Zumaya, Flores Olv. & Borsch

in Syst. Bot. 38: 435. 2013 – Holotype: MEXICO. Michoacán: Mun. Quiroga, 2 km al NE de Capula rumbo a Quiroga, carretera 15 Morelia-Quiroga, 2204 m, 19°39′19.4″N, 101°21′22″W, 13 Feb 2005, T. Borsch, S. Zumaya & H. Flores 3788a (MEXU! ; isotypes: B barcode B 10 0715453! [image!], ENCB!, IEB!, MEXU!, US!).

= Iresine hartmanii var. gentryi f. palmeri Suess. in Mitt. Bot. Staatssamml. München 4: 108–109. 1952 – Lectotype (designated by Zumaya & al. in Syst. Bot. 38: 435. 2013): MEXICO. Durango: Tejamen, 21–27 Aug 1906, E. Palmer 64 (M barcode M-0098603 [image!]; isolectotypes: K!, NY barcode 0 0 324528 [image!], S No. S 07-12716 [image!], US!).

Note. – A paratype of Iresine rzedowskii is T. Borsch, S. Zumaya & H. Flores 3788b (B barcode B 10 0 715453 [image!], ENCB!, IEB!, MEXU!, US!) to represent a pistillate individual from the same population.

Taxonomic status: Probably a natural entity (monophylum) as currently defined (A).