Common name(s): plains coreopsis; calliopsis
Hardiness ratings: USDA zone 4~8 - 10
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
- The Plant List. Taxonomical lookup
Links for Coreopsis tinctoria
- All Things Plants - Community-assembled plant profile (6 varieties in database) (37 photos)
- Annie's Annuals - Catalog page with photo, basic horticultural information, and noteworthy features. (additional cultivars listed in catalog) (4 photos)
- Carolina Nature - Photos of this native plant, often with notes on habitat and identification. (2 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (27 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 8) (4 photos)
- Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 4-10) (2 photos)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations.
- Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (12 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (39 photos)
- Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (5 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (7 photos)
- Native Plants of Central Texas - Photos with brief comments from University of Texas at Austin. (4 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (4 photos)
- Ontario Rock Garden Society - Germination information
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (4 photos)
Common name(s): Columbia Coreopsis
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (1 photo)
- Turner Photographics - Profile of wildflower of the US Pacific Northwest, with botanical description, habitat and distribution, and photo gallery.