GRIN. Taxonomical details, with common names, distribution, and synonyms.
Links for Pulmonaria rubra
BBC Gardening - Plant profile with horticultural details and garden uses. (1 photo). Also a page for Redstart.
Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zones 4a-8b) (1 photo)
Kemper Center: Pulmonaria rubra 'Ann' - Plantfinder page for one of the plants growing at the Missouri Botanical Garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 4 to 8)
Rob's Plants - Plant profile with basic horticultural information and often personal observations. (2 photos)
(1 photo).