| DAC | flying gurnards |
|---|---|
| DAC | a genus of Dactylopteridae |
| DAC | genus of terrestrial orchids of Europe and Asia and North Africa |
| DAC | European orchid having lanceolate leaves spotted purple and pink to white or mauve flowers spotted or lined deep red or purple |
| DAC | European orchid having lanceolate leaves spotted purple and pink to white or mauve flowers spotted or lined deep red or purple |
| DAC | sand stargazers |