Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (16 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 4-8) (9 photos). Also pages for 'Arkansas Beauty' and 'Red Licorice'.
Virginia Tech Dendrology - Factsheet with botanical characteristics and photos of various features. (zone -1--1) (6 photos)