Bell, Peter R. 1920-2009 Green plants : their origin and diversity / Peter R. Bell, Alan R. Hemsley - 2nd ed - Cambridge ; New York : Cambridge University Press, 2000 - vii, 349 p. : ill. ; 25 cm ISBN: 0521641098 0521646731 (pbk.) LCCN: 99047854 Subjects--Topical Terms: BotanyPlants--ClassificationPlants--EvolutionPlants--VariationPlants--Phylogeny LC Class. No.: QK45.2 / .B46 2000 Dewey Class. No.: 581.3/8 Bel / 1