The Coffee family, the Rubiaceae, are a family of flowering herbs, trees, shrubs, and lianas found around the world. There are more than thirteen thousand species in the Rubiaceae, including the coffee plant and Cinchona, the source of quinine.
In Oregon, the Rubiaceae is represented by the following genera:
- Galium
- Kelloggia
In California:
- Cephalanthus
- Diodia
- Galium