Mitracarpus villosus (Sw.) DC.

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 Mitracarpus hirtus.]
• Berry, P.E., Yatskievych, K. & Holst, B.K. (eds.) in Steyermark, J., Berry, P.E., Holts, B.K. (eds). (2004). Flora of the Venezuelan Guayana 8: 1-874. Missouri Botanical Garden, St. Louis. [Cited as Mitracarpus hirtus.]
• Borhidi, A. (2012). Rubiáceas de México, ed. 2: 1-608. Akadémiai Kiadó, Budapest. [Cited as Mitracarpus hirtus.]
• Delprete, P.G. (2010). Rubiaceae. Flora dos estados de Goiás e Tocantins 40: 1-1610. Universidade Federal de Goiás. [Cited as Mitracarpus hirtus.]
• Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew. [Cited as Mitracarpus hirtus.]
• Idárraga-Piedrahita, A., Ortiz, R.D.C., Callejas Posada, R. & Merello, M. (eds.) (2011). Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 1-939. Universidad de Antioquia, Medellín. [Cited as Mitracarpus hirtus.]
• Puff, C., Chayamarit, K., Chamchumroon, V. & Esser, H.-J. (2021). Flora of Thailand 15(1): 1-235. The Forest Herbarium, National Park, Wildlife and Plant Conservation Department, Bangkok. [Cited as Mitracarpus hirtus.]
• Smith, A.C. (1988). Flora Vitiensis Nova. A new flora for Fiji (Spermatophytes only) 4: 1-377. Pacific Tropical Botanical Garden, Lawai. [Cited as Mitracarpus hirtus.]
• Wu, Z., Raven, P.H. & Hong, D. (eds.) (2011). Flora of China 19: 1-884. Missouri Botanical Garden Press, St. Louis. [Cited as Mitracarpus hirtus.]
• de Souza, E.B., Cabral, E.L. & Zappi, D.C. (2010). Revisão de Mitracarpus (Rubiaceae - Spermacoceae) para o Brasil. Rodriguésia; Revista do Instituto de Biologia Vegetal, Jardim Botânico e Estaçao Biologica do Itatiaya 61: 319-352. [Cited as Mitracarpus hirtus.]

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

• Delprete, P.G. & Cortés-B., R. (2006 publ. 2007). A synopsis of the Rubiaceae of the states of Mato Grosso and Mato Grosso do Sul, Brazil, with a key to genera, and a preliminary species list. Revista de Biologia Neotropical 3: 13-96. [Cited as Mitracarpus villosus.]
• Delprete, P.G., Smith, L.B., Klein, R.M. (2005). Flora Ilustrada Catarinense 2: 349-842. Herbário "Barbosa Rodrigues", Atají, Brasil. [Cited as Mitracarpus villosus.]
• Lebrun, J.-P. (1998). Catalogue des plantes de la Mauritanie et du Sahara Occidental. Boissiera 55: 1-322. [Cited as Mitracarpus villosus.]
• Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo). Taxonomania. Revue de Taxonomie et de Nomenclature Botaniques 30: 1-307. [Cited as Mitracarpus villosus.]
• Sant'Ana Melhem, T., das Graças Lapa Wanderley, M., Ehlin Martins, S., Jung-Mendaçolli, S.L., Shepherd, G.J. & Kirizawa, M. (eds.) (2007). Flora Fanerogâmica do Estado de São Paulo 5: 1-476. Instituto de Botânica, São Paulo. [Cited as Mitracarpus villosus.]
• Zappi, D.C. & al. (2003). Lista das plantas vasculares de Catoles. Boletim de Botânica da Universidade de São Paulo 21(2): 345-398. [Cited as Mitracarpus villosus.]

Flora of Tropical East Africa

• Adams, Fl. Pl. Jam.: 733 (1972).
• DC., Prodr. 4: 572 (1830).
• Gooding, Loveless & Proctor, Fl. Barbados: 405 (1965).
• Rendle in Fl. Jam. 7: 127, fig. 39 (1936).
• Verdc., in Kew Bulletin 30: 317–322 (1975).