After several weeks of painstaking search, I can now state definitely: argyrodite contains a new element, very similar to antimony and yet sharply distinguished from it, to which the name germanium shall be given.
Definition of Bergenia. 1 : a genus of perennial spring-blooming herbs (family Saxifragaceae) native to central and eastern Asia that have large thick rootstocks which produce typical colonies or clumps of plants with very thick heavy leaves.
Bergenia (Bergenia Cordifolia) - Growing Bergenia seeds is a great way to start this ground cover! Bergenia plants are tough perennials that form a low, laterally spreading, herbaceous ground cover. The ground cover spreads by producing new plants from short underground stems.