Utricularia obtusa Sw.

POWO follows these authorities in synonymising this name:

• Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192. [Cited as Utricularia gibba.]
• Arbo, M.M. & al. (2018). Flora Argentina. Flora vascular de la República Argentina 20(1): 1-488. INTA, IMBIV & IBODA. [Cited as Utricularia gibba.]
• Caminho, J., Mutemba, L., Matusse, E., Osborne, J., Wursten, B., Burrows, J., Cianciullo, S., Malatesta, L. & Attorre, F. (2022). An updated checklist of Mozambique’s vascular plants. PhytoKeys 189: 61-80. [Cited as Utricularia gibba.]
• Goodwin, Z.A. & al. (2013). A checklist of the vascular plants of the lowland savannas of Belize, Central America. Phytotaxa 101: 1-119. [Cited as Utricularia gibba.]
• Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela. [Cited as Utricularia gibba.]
• Sosef, M.S.M. & al. (eds.) (2020). Flore du Gabon 54: 1-132. Muséum National D'Histoire Naturelle, Paris. [Cited as Utricularia gibba.]
• Taylor, P. (1989). The Genus Utricularia: a taxonomic monograph: 1-724. Her Majesty's stationery office, London. [Cited as Utricularia gibba.]

This name was accepted following an alternative taxonomy by these authorities:

• Bernal, R., Gradstein, R.S. & Celis, M. (eds.) (2016). Catálogo de plantas y líquenes de Colombia 1-2: 1-3068. Libro impreso. [Cited as Utricularia obtusa.]

Catálogo de Plantas y Líquenes de Colombia

• Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co