Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (6 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. (zone 6-9) (2 photos). Also a page for 'Sunshine Superman'.
Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (8 photos)
(3 photos)