Homalocephala polycephala

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Homalocephala polycephala (Engelm. & J.M.Bigelow) Vargas & Bárcenas in PhytoKeys 111: 49. 2018 sec. Guzmán Cruz & al. 20031 wfo-0001431208

≡Echinocactus polycephalus Engelm. & J.M.Bigelow, Pacif. Railr. Rep., Bot. 4: 31. 1857 syn. sec. Vargas-Luna & al. 20182 wfo-0000660817
≡Emorycactus polycephalus (Engelm. & J.M.Bigelow) Doweld in Succulenta (Netherlands) 75: 270. 1996 syn. sec. Kew 20193 wfo-0000667203
≡Echinocactus polycephalus var. polycephalus syn. sec. Vargas-Luna & al. 20182 wfo-0001289273

1. Guzmán Cruz, L. U., Arias, S. & Dávila, P. 2003: Catálogo de Cactáceas Mexicanas. – Mexico, D. F.: Universidad National Autónoma de México & CONABIO., 2. Vargas-Luna, M.D., Hernández-Ledesma, P., Majure, L.C., Puente-Martínez, R., Hernández Macías, H.M. & Bárcenas Luna, R.T. 2018: Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. – PhytoKeys 111.. https://doi.org/10.3897/phytokeys.111.26856 , 3. Kew 2019: Dataset export of the World Checklist of Vascular Plants database, dated 19 December. – Kew: Royal Botanic Gardens

=Echinocactus polycephalus var. flavispinus F.Haage in Monatsschr. Kakteenk. 9: 43. 1899 syn. sec. WFO 20194 wfo-0000660818

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