Symphytum

• Desert Tropicals: Comfrey  - Contains information on the general characteristics of the plant. Includes growth habits, blooming habits and images.
• Florabase: Symphytum  - Contains information on the identity of the plant. Includes reproduction, Inflorescence and flower features, fruit and seed features.
• The Garden of Paghat the Ratgirl: Borage; aka, Tuberous Comfrey  - Contains information on the characteristics, growth and taxonomy. With photos.
• Missouri Botanical Garden: Symphytum 'Goldsmith'  - Provides information on the distinguishing properties of the plant. Includes culture, noteworthy characteristics, problems and uses.
• Montana Plant Life: Comfrey - Symphytum officinale L.  - Contains information on the distinguishing features of the genus. Includes history, flowers, uses and images.
• Purdue University: Symphytum peregrinum Ledeb.  - Offers information on the distinguishing characteristics of the plant. Includes botanical description, medicinal uses and chemical constituents.
• Stuartxchange: Komprey - Symphytum officinale  - Contains information on the botany, distribution, uses and availability. With photos.