|watercolor circa 1895|
Coreopsis grandiflora is a North American species of perennial plants in the sunflower family. The common name is large-flowered tickseed. It is found in eastern Canada (Quebec, Ontario, New Brunswick) and much of the United States, especially the south-central part of the country (Oklahoma, Arkansas, etc.). The species is widely cultivated in China and naturalized there.
- illustration by Alois Lunzer (1840-?)
- Tropicos search for Coreopsis grandiflora
- The Plant List, Coreopsis grandiflora Hogg ex Sweet
- "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
- Biota of North America Program 2014 county distribution map
- Flora of China, 大花金鸡菊 da hua jin ji ju Coreopsis grandiflora Hogg ex Sweet
- Flora of North America, Coreopsis grandiflora Hogg ex Sweet, Brit. Fl. Gard. 2: plate 175. 1826.
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