| CER | carobs |
|---|---|
| CER | evergreen Mediterranean tree with edible pods |
| CER | a dicotyledonous genus of the family Cunoniaceae |
| CER | Australian tree or shrub with red flowers |
| CER | coextensive with the genus Ceratophyllum: hornworts |
| CER | constituting the family Ceratophyllaceae: hornworts |
| CER | type genus of the Ceratopogonidae |
| CER | biting midges |
| CER | horned dinosaurs |
| CER | any of several four-footed herbivorous horned dinosaurs with enormous beaked skulls |
| CER | American ceratopsian dinosaurs |
| CER | water ferns |