Lithospermum

• Atlas of Economic Plants and Pests of Russia and Neighboring Countries: Buglossoides arvensis  - Provides data on the morphology and biology of the plant. Includes distribution, ecology and economic significance.
• Illinois Wildflowers: American Gromwell - Lithospermum latifolium  - Provides data on the description on he plant identity. Includes cultivation, habitat, faunal associations and images.
• Missouriplants: Lithospermum arvense L. - Stoneseed  - Provides information on the distinguishing characteristics of the plant. Includes habitat, flowering and photos.
• United Sates Department of Agriculture: Lithospermum officinale L. European stoneseed  - Contains information on the profile of the plant. Includes distribution, growth habit, classification and images.
• Wild Flower Center: Lithospermum incisum Lehm.  - Offers description on the physical characteristics of the plant. Includes distribution, growth, propagation and remarks.