POLYPHYLY OF THE GENUS ECHUES (APOCYNACEAE: APOCYNOIDEAE: ECHITEAE): EVIDENCE BASED ON A MORPHOLOGICAL CLADISTIC ANALYSIS

Justin K Williams

Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 117-131

Date published:2004

BHL: 9310337
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