Definition that contains genus swertia
- swertia speciosa tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia
- frasera speciosa tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia
- genus frasera genus of North American herbs: columbo; includes some species sometimes placed in genus Swertia
- green gentian tall herb with panicles of white flowers flushed with green; northwestern United States; sometimes placed in genus Swertia
- frasera genus of North American herbs: columbo; includes some species sometimes placed in genus Swertia