Funk, V. A. Phylogenetic systematics as the basis of comparative biology - Washington : Smithsonian Institution, 1990 - 45 p. : ilus. : gráfs - Smithsonian contributions to botany, 73 . - Smithsonian contributions to botany, 73 . 54-91 LCCN: 4711 Subjects--Topical Terms: Biología--Clasificación.Evolución (Plantas)Filogenia.