Definition that contains ornamental grass
- genus cortaderia tall ornamental grasses of South America and New Zealand and New Guinea: pampas grass
- pennisetum ruppelii tall perennial ornamental grass with long nodding flower plumes of tropical Africa and Asia
- cortaderia tall ornamental grasses of South America and New Zealand and New Guinea: pampas grass
- pennisetum setaceum tall perennial ornamental grass with long nodding flower plumes of tropical Africa and Asia
- fountain grass tall perennial ornamental grass with long nodding flower plumes of tropical Africa and Asia