Floristics and paleofloristics of Asia and Eastern North America :  proceedings of symposia for the Systematics Section, XI International Botanical Congress, Seattle, Wash. (U.S.A.), 1969, and ... [et. al.] / 
edited by Alan Graham 
 - Amsterdam :  Elsevier Publishing Co.,  1972 
 - xii, 278 p. :  ill., (1 folded) ;  25 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0444409580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany--North America--Congresses<br/>Botany--Japan--Congresses<br/>Botany--Asia--Congresses<br/>Paleobotany--North America--Congresses<br/>Paleobotany--Asia--Congresses<br/>Phytogeography--Congresses<br/>Plants--Migration--Congresses