Crista-galli

Crista-galli or crista-gallii, hen crest in Latin, may refer to:
 * Erythrina crista-galli, a flowering tree species native to Argentina, Uruguay, Brazil and Paraguay
 * Cynosurus crista-galli, a grass species in the genus Cynosurus
 * Nephrophyllidium crista-galli, a plant species
 * Polylepis crista-galli, a plant species endemic to Bolivia
 * Tillandsia crista-galli, a plant species endemic to Mexico