Diodella is a genus of flowering plants in the family Rubiaceae. The genus has a wide distribution range and is found from the USA to tropical America and in tropical Africa. Species Diodella angustata (Steyerm.) E.L.Cabral & Cabaña Fader - Brazil Diodella apiculata (Willd. ex Roem. & Schult.) Delprete - Mexico, Central America, South America, the West Indies; naturalized in Angola and Java Diodella gardneri (K.Schum.) Bacigalupo & E.L.Cabral - Brazil Diodella lippioides (Griseb.) Borhidi - Cuba Diodella mello-barretoi (Standl.) Bacigalupo & E.L.Cabral - Brazil Diodella radula (Willd. & Hoffmanns. ex Roem. & Schult.) Delprete - Panama, Venezuela, Bolivia, Brazil, Paraguay; naturalized in Galápagos Diodella rosmarinifolia (Pohl ex DC.) Bacigalupo & E.L.Cabral ex Delprete & Cortés-Ballén - Colombia, Venezuela, Brazil Diodella sarmentosa (Sw.) Bacigalupo & Cabral ex Borhidi - Africa from Senegal to Ethiopia and Tanzania south to Zimbabwe and Mozambique; also Mexico, Central America, the West Indies and South America; naturalized in Java and Malaysia Diodella scandens (Sw.) Bacigalupo & E.L.Cabral - Haiti, Dominican Republic; naturalized in Africa from Senegal to Somalia Diodella serrulata (P.Beauv.) Borhidi - western and central Africa; Central America, West Indies, Colombia, Venezuela Diodella teres (Walter) Small - southern, eastern and Central United States, Mexico, Central America, South America, West Indies References External links Kew World Checklist of Selected Plant Families, Diodella Rubiaceae genera Spermacoceae Taxa named by John Kunkel Small