Presence
| Recorded on | Saba |
| Presence status | Indigenous (1) - Saba |
| Distribution description | Native to southern America and northern America. |
Publications
- Fingal, J.F. 1984. Rubiaceae. Flora of the Netherlands Antilles 3: 378-409.
- Rojer, A. 1997. Biological Inventory of Saba. 87 pp. CARMABI Foundation, Curaçao.
- WCSP 2017. World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. [link]