Oldenlandia lancifolia (Schumach.) DC.

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

• Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers. [Cited as Oldenlandia lancifolia.]
• Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots'. Phytotaxa 250: 1-431. [Cited as Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• Borhidi, A. (2006). Rubiáceas de México: 1-512. Akadémiai Kiadó, Budapest. [Cited as Oldenlandia lancifolia.]
• Borhidi, A. (2012). Rubiáceas de México, ed. 2: 1-608. Akadémiai Kiadó, Budapest. [Cited as Oldenlandia lancifolia.]
• Boudet, G., Lebrun, J.P. & Demange, R. (1986). Catalogue des plantes vasculaires du Mali: 1-465. Etudes d'Elevage et de Médecine Vétérinaire des Pays Tropicaux. [Cited as Oldenlandia lancifolia.]
• Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn. [Cited as Oldenlandia lancifolia.]
• Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento. [Cited as Oldenlandia lancifolia.]
• Davidse, G. & al. (eds.) (2012). Flora Mesoamericana 4(2): 1-533. Universidad Nacional Autónoma de México, México, D.F. [Cited as Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• Delprete, P.G. (2010). Rubiaceae. Flora dos estados de Goiás e Tocantins 40: 1-1610. Universidade Federal de Goiás. [Cited as Oldenlandia lancifolia.]
• Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria. [Cited as Oldenlandia lancifolia.]
• Figueiredo, E. (2007). The Rubiaceae of Cabinda (Angola). Botanical Journal of the Linnean Society 154: 455-495. [Cited as Oldenlandia lancifolia.]
• Gosline, G., Bidault, E., van der Burgt, X., Cahen, D., Challen, G., Condé, N., Couch, C., Couvreur, T.L.P., Dagallier, L.M.J., Darbyshire, I., Dawson, S., Doré, T.S., Goyder, D., Grall, A., Haba, P., Haba, P., Harris, D., Hind, D.J.N., Jongkind, & al. (2023). A Taxonomically-verified and Vouchered Checklist of the Vascular Plants of the Republic of Guinea. Nature, scientific data 10, Article number: 327: [1]-[12]. [Cited as Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• Hammel, B.E., Grayum, M.H., Herrera, C. & Zamora, N. (eds.) (2014). Manual de Plantas de Costa Rica 7: 1-840. Missouri Botanical Garden Press, St. Louis. [Cited as Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• Jørgensen, P.M., Nee, M.H. & Beck., S.G. (eds.) (2013). Catálogo de las plantas vasculares de Bolivia. Monographs in Systematic Botany from the Missouri Botanical Garden 127: 1-1741. Missouri Botanical Garden. [Cited as Oldenlandia lancifolia.]
• Lebrun, J.P. (1973). Énumération des plantes vasculaires du Sénégal: 1-209. Maisons Alfort: Institut d'élevage et de médecine vétérinaire des pays tropicaux. [Cited as Oldenlandia lancifolia.]
• 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 Oldenlandia lancifolia.]
• Mendoza, H., Ramirez P., B.R. & Jimenez, L.C. (2004). Rubiaceae de Colombia: guia ilustrada de generos: 1-351. Instituto de Investigacion de Recursos Biologicos Alexander von Humboldt, Bogota, Colombia. [Cited as Oldenlandia lancifolia.]
• Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville. [Cited as Oldenlandia lancifolia.]
• Sosef, M.S.M. & al. (2006). Check-list des plantes vasculaires du Gabon. Scripta Botanica Belgica 35: 1-438. [Cited as Oldenlandia lancifolia.]
• Terrell, E.E. & Robinson, H. (2006). Taxonomy of North American species of Oldenlandia (Rubiaceae). Sida 22: 305-329. [Cited as Oldenlandia lancifolia.]
• de Moura Júnior, E.G. & al. (2015). Updated checklist of aquatic macrophytes from Northern Brazil. Acta Amazonica 45: 111-132. [Cited as Oldenlandia lancifolia.]

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

Flora of West Tropical Africa

• Berhaut Fl. Sén. 78.
• Bremek. in Verb. K. Nederl. Akad. Wetensch., Afd. Natuurk., sect. 2, 48: 230 (1952), incl. var. grandiflora Bremek., var. microcarpa Bremek., var. scabridula Bremek., var. longipes Bremek
• Chev. Bot. 312, partly (excl. Chev. 2116)
• F.T.A. 3: 61
• Prod. 4: 425 (1830)

Useful Plants and Fungi of Colombia

• Bernal, R., Gradstein, S.R., & Celis, M. (eds.). (2020). Catálogo de Plantas y Líquenes de Colombia. v1.1. Universidad Nacional de Colombia. Dataset/Checklist. https://doi.org/10.15472/7avdhn
• Burkill HM. (1995). The useful plants of west tropical Africa, Vols. 1-3. The useful plants of west tropical Africa, Vols 1-3.
• Diazgranados et al. (2021). Catalogue of plants of Colombia. Useful Plants and Fungi of Colombia project. In prep.
• Diazgranados, M., Allkin, B., Black N., Cámara-Leret, R., Canteiro C., Carretero J., Eastwood R., Hargreaves S., Hudson A., Milliken W., Nesbitt, M., Ondo, I., Patmore, K., Pironon, S., Turner, R., Ulian, T. (2020). World Checklist of Useful Plant Species. Produced by the Royal Botanic Gardens, Kew. Knowledge Network for Biocomplexity.
• FPI (2021). Food Plants International. https://fms.cmsvr.com/fmi/webd/Food_Plants_World?homeurl=https://foodplantsinternational.com/plants/
• GBIF.org (2021). GBIF species matching tool. https://www.gbif.org/tools/species-lookup
• IUCN (2021). The IUCN Red List of Threatened Species. Version 2021-2. https://www.iucnredlist.org.
• Medicinal Plant Names Services (MPNS) v.10 (2021); http://mpns.kew.org/

Flora of Tropical East Africa

• A.D.Q. Agnew, Upland Kenya Wild Flowers p. 400 (1974).
• Bremek. in Verh. K. Nederl. Akad. Wet., Afd. Natuurk., ser. 2, 48(2): 230 (1952).
• DC., Prodr. 4: 425 (1830).
• Hepper in Flora of West Tropical Africa, ed. 2, 2: 212 (1963).
• Hiern in Flora of Tropical Africa 3: 61 (1877).
• K. Schum. in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 375 (1895).