Contains
- Spanish needles
Common bur marigold of the eastern United States.
- beggar-ticks
The seed of bur marigolds.
- tickseed sunflower
North American bur marigold with large flowers.
- European beggar-ticks
Bur marigold of temperate Eurasia.
- swampy beggar-ticks
Bur marigold of eastern and northern United States and Canada common in wet...