NEW COMBINATIONS IN THE GENUS GUNDLACHIA AND FOUR NEW GENERA OF ASTEREAE (ASTERACEAE) FROM NORTHERN MEXICO AND THE SOUTHERN UNITED STATES

Lowell E Urbatsch
Roland P Roberts

Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 243-257

Date published:2004

BHL: 9310463
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