BioStor
 | The genera of Cinchonoideae (Rubiaceae) in the southeastern United States G K Rogers (1987) Journal of the Arnold Arboretum 68: 137-183 |
 | Revision of Hillia (Rubiaceae) Charlotte M Taylor (1994) Annals of the Missouri Botanical Garden 81: 571-609 |
 | Three new species of Rustia (Rubiaceae, Condamineeae) from Panama and Ecuador P G Delprete (1995) Novon 5: 133-139 |
 | Chromosome Survey of the Rubiaceae Michael Kiehn (1995) Annals of the Missouri Botanical Garden 82: 398-408 |
 | The United Stamens of Rubiaceae. Morphology, Anatomy; Their Role in Pollination Ecology Christian Puff, Anton Igersheim et al. (1995) Annals of the Missouri Botanical Garden 82: 357-382 |
 | Subfamilial and Tribal Relationships in the Rubiaceae Based on rbcL Sequence Data Birgitta Bremer, Katarina Andreasen and Daniel Olsson (1995) Annals of the Missouri Botanical Garden 82: 383-397 |
 | A new species of Rustia (Rubiaceae, Rondeletieae) from Bilsa Biological Station, Esmeralda Province, Ecuador P G Delprete (1998) Novon 8: 231-234 |