FamousAuthors.org 15 October, http://www.famousauthors.org/eric-carle. MHRA Style. ' Eric Carle', FamousAuthors.org,(2012) http://www.famousauthors.org/eric-carle [accessed October 15, 2015]. Chicago Style.  Eric Carle, FamousAuthors.org, http://www.famousauthors.org/eric-carle (accessed October 15, 2015).
Definition of Bergenia. 1  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 crassifolia, commonly called leather bergenia or pig squeak, is a large-leaved evergreen perennial that is native to rocky cliffs from northwest China to Siberia. Rosettes of leathery, fine-toothed, obovate-rounded green leaves (to 8 long by 7 wide) form dense, slowly-spreading clumps of foliage to 12 tall.