The butterfly species has an important role in Marisha Pessl's 2006 novel Special Topics in Calamity Physics.
Cassius | Gaius Cassius Longinus | Cassius Khan | Cassius Dio | Lucius Cassius Longinus | Cassius Marcellus Coolidge | Avidius Cassius | Cassius (band) | Spurius Cassius Viscellinus | Cassius Longinus | Carpophorus, Exanthus, Cassius, Severinus, Secundus, and Licinius |
Larval host: Florida fishpoison tree is a larval host plant for several butterfly species including: the native cassius blue butterfly (Leptotes cassius) and hammock skipper (Polygonus leo) and the introduced fulvous hairstreak (Electrostrymon angelia).