| PHA | any plant of the genus Phacelia |
|---|---|
| PHA | annual of southern California with intricately branched stems and lax cymes of aromatic deep blue bell-shaped flowers |
| PHA | desert plant of southern California with blue or violet tubular flowers in terminal racemes |
| PHA | hairy annual of California to Mexico with crowded cymes of small blue to lilac or mauve flowers |
| PHA | desert plant of southern California with blue or violet tubular flowers in terminal racemes |
| PHA | warthogs |
| PHA | a vascular tumor of the adrenal gland |
| PHA | brown algae |
| PHA | coextensive with class Phaeophyceae |
| PHA | type genus of the Phaethontidae |
| PHA | (Greek mythology) son of Helios |
| PHA | tropicbirds |