Plant systematics : A phylogenetic approach / Walter S. Judd... [et al.]. - 2a ed. - Sunderland, Massachusetts : Sinauer Associates, c2002 - xvi, 576 p. : il. ; 26 cm. ISBN: 0878934030 Subjects--Topical Terms: Botánica--Clasificación LC Class. No.: QK95 / P54 2002