Acroporidae
- Acropora
- Alveopora
- Astraeopora
- Astreopora
- Dendracis
- Diplocoenia
- Gravieropsammia
- Isopora
- Montipora
- Parastraeopora
- Elkhorn coral Acropora palmata
These branching structures belong to an animal, not a plant. Elkhorn coral grows in shallow Caribbean waters; thickets shelter fish and other creatures.