Spermacoceae

Ming-Deng Yuan and Rui-Jiang Wang. 2020. Involucrella lithophila (Rubiaceae: Spermacoceae): A New Species from Guangxi, China. Phytotaxa. 464(1); 59–68. DOI: 10

Zhang, Guo-Bin Jiang and Rui-Jiang Wang. 2020. Dimetia brevipetiolata (Spermacoceae: Rubiaceae): A New Species from Guangxi, China. Phytotaxa. 428(1); 43–50

Gustavo Shimizu and André Olmos Simões. 2022. Mitracarpus semirianus (Spermacoceae, Rubiaceae), An overlooked New Species from the “campo rupestre” of Bahia

Grecebio Jonathan D. Alejandro. 2021. Hedyotis hamiguitanensis (Rubiaceae: Spermacoceae), A New Species from Mt. Hamiguitan, Davao Oriental, Philippines and

Schradereae（英语：Schradereae） Bremek.（英语：Cornelis Eliza Bertus Bremekamp）（55種） Spermacoceae（英语：Spermacoceae） Cham. & Schltdl.（英语：Diederich Franz Leonhard von Schlechtendal）