Glandora diffusa (Lag.) D. C. Thomas, Taxon 57: 94 (2008) (syn: Lithodora diffusa (Lag.) I.M.Johnst.; Lithospermum diffusum Lag.); . Spain as per POWO; . Glandora diffusa (Lag. ) I.M.Johnst. from California-GS12042023-1: 4 very high res. images. Glandora diffusa (Lag. ) I.M.Johnst. (Syn: Lithodora diffusa Lag., Purple Gromwell, a mat-forming perennial, with blue flowers, a native of Europe, […]