Rudbeckia maxima
| Rudbeckia maxima | |
|---|---|
|   | |
| Wild population at a blackland prairie preserve in southwest Arkansas | |
| Scientific classification   | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Asterids | 
| Order: | Asterales | 
| Family: | Asteraceae | 
| Tribe: | Heliantheae | 
| Genus: | Rudbeckia | 
| Species: | R. maxima | 
| Binomial name | |
| Rudbeckia maxima | |
Rudbeckia maxima, the great coneflower,[1] is a flowering plant in the family Asteraceae, which is used as an ornamental plant. They can reach a maximum height of eight feet. Once it produces seeds, finches and other small birds come to feed on them.

References
- ^ NRCS. "Rudbeckia maxima". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 25 October 2015.
- L. H. Bailey (2005). Manual of Gardening (2nd ed.). Project Gutenberg Literary Archive Foundation.