TY - JOUR T1 - Phylogenetic analysis and character evolution of Ehretia and Bourreria (Ehretiaceae, Boraginales) and their allies based on {ITS1} sequences Y1 - 2001 A1 - Marc Gottschling A1 - HH Hilger SP - 249–268 KW - Boraginales 2013 VL - 123 ER -