| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Rubiaceae | Borreria |  | |||
| Rubiaceae | Casasia | Seven-Year-Apple |  | ||
| Rubiaceae | Catesbya |  | |||
| Rubiaceae | Cephalanthus | Buttonbush |  | ||
| Rubiaceae | Chiococca | Snowberry, Milkberry |  | ||
| Rubiaceae | Coccocypselum |  | |||
| Rubiaceae | Dentella |  | |||
| Rubiaceae | Diodia |  | |||
| Rubiaceae | Edrastima | Oldenlandia |  | ||
| Rubiaceae | Erithalis |  | |||
| Rubiaceae | Ernodea | Beach-creeper, Golden Creeper, Coughbush |  | ||
| Rubiaceae | Exostema | Persoon) Bonpland |  | ||
| Rubiaceae | Galium | Bedstraw, Cleavers, Woodruff |  | ||
| Rubiaceae | Gardenia | Gardenia |  | ||
| Rubiaceae | Guettarda | Velvetseed |  | ||
| Rubiaceae | Hamelia | Firebush |  | ||
| Rubiaceae | Hexasepalum |  | |||
| Rubiaceae | Houstonia | Bluet, Diamond-flower |  | ||
| Rubiaceae | Ixora | Ixora, Jungle-flame |  | ||
| Rubiaceae | Mitchella | Partridge-berry |  | ||
| Rubiaceae | Mitracarpus | Girdle-pod |  | ||
| Rubiaceae | Morinda |  | |||
| Rubiaceae | Oldenlandia | Oldenlandia |  | ||
| Rubiaceae | Oldenlandiopsis | Oldenlandiopsis, Creeping-Bluet |  | ||
| Rubiaceae | Paederia | Skunk-vine |  | ||
| Rubiaceae | Pentas |  | |||
| Rubiaceae | Pentodon |  | |||
| Rubiaceae | Pinckneya | Pinckneya, Fever-tree |  | ||
| Rubiaceae | Psychotria | Wild Coffee |  | ||
| Rubiaceae | Randia | Indigoberry |  | ||
| Rubiaceae | Richardia | Richardia |  | ||
| Rubiaceae | Rubia | ||||
| Rubiaceae | Sarcocephalus |  | |||
| Rubiaceae | Spermacoce | Buttonweed |  | ||
| Rubiaceae | Strumpfia | Strumpfia |  |