Iresine valdesii Zumaya, Flores Olv. & Borsch in Syst. Bot. 38: 438–439, fig. 3b, 4–6. 2013 – Holotype: MEXICO. Puebla: Mun. Chapulco, entre el km. 65 y 66 de la car- retera Esperanza-Tehuacán, 4 km al S del Fresnal, tramo Esperanza-Azumbilla, 18°42′11.7″N, 97°24′21.4″W, 2200–2300 m, 17 Mar 2007, Zumaya Flores, Ochoterena & Borsch 72b (MEXU!; isotypes: B barcode B 10 0715449! [image!], ENCB!, IEB!, MEXU!, US!). Note. – A paratype is Zumaya, Flores, Ochoterena & Borsch 72a (B barcode B 10 0715450! [image!], IEB!, MEXU!) to represent a staminate plant collected from the same population. Taxonomic status: Species limits not yet studied in detail (B).

Published as part of Thomas Borsch, Hilda Flores-Olvera, Silvia Zumaya & Kai Müller, 2018, Pollen characters and DNA sequence data converge on a monophyletic genus Iresine (Amaranthaceae, Caryophyllales) and help to elucidate its species diversity, pp. 944-976 in Taxon 67 (5) on page 970, DOI: 10.12705/675.7, http://zenodo.org/record/1488314