A Monograph of the Mexican and Cental American Species of Trixis. Mem (22)3 intermountain containing many widespread and/or common

containing many widespread and/or common species for which numerous collections have been examined and listed

a tireless scholar

Many previously described taxa are reduced to synonymy

Also included are in-depth discussions of the family's morphology

A Monograph of the Mexican and Cental American Species of Trixis. Mem (22)3 intermountain containing many widespread and/or commonAll of the species treated in this volume are frutescent perennials with horizontal underground stems. The genus Trixis of the Compositae (tribe Mutisieae, subtribe Nassauviinae) has two centers of diversity, one in southwestern Mexico and one in the area of northern Argentina, Uruguqy, and southern Brazil. The genus has never been studied as a whole. The two groups come into contact only in southern Central America and in the West Indies, where the