TY - GEN AU - Hardig,T M AU - Soltis,P S AU - Soltis,D E TI - Diversification of the North American shrub genus Ceanothus (Rhamnaceae): conflicting phylogenies from nuclear ribosomal DNA and chloroplast DNA SN - 0002-9122 PY - 2012///1002 N1 - Publication Type: Journal Article ER -