| EC | small genus of North American coarse perennial herbs |
|---|---|
| EC | any cactus of the genus Echinocactus |
| EC | large cactus of east central Mexico having golden to pale yellow flowers and spines |
| EC | large genus of low-growing shrubby ribbed cacti of Mexico and southwestern United States |
| EC | annual or perennial succulent grasses of warm regions |
| EC | a coarse annual panic grass |
| EC | coarse annual grass cultivated in Japan and southeastern Asia for its edible seeds and for forage |
| EC | infestation with larval echinococci (tapeworms) |
| EC | tapeworms whose larvae are parasitic in humans and domestic animals |
| EC | marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies |
| EC | a family of echinoderms |
| EC | a genus of echinoderms |