Pampas grass or pampas-grass is a common name which may refer to any of several similar-looking, tall-growing species of grass: Species of Cortaderia including: Cortaderia selloana and its selected cultivars Cortaderia jubata (Andean pampas grass, purple pampas grass) Erianthus ravennae (syn. Saccharum ravennae) (giant woolly-beard grass, hardy pampas grass, Ravenna grass, ekra) Miscanthus sinensis (Japanese pampas grass)