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(Vol.14, 2011-12) A Nomenclator Of Diplostephium (Asteraceae: Astereae): A List Of Species with Their Synonyms and Distribution by Country"
Since the description of Diplostephium by Kunth in 1820, more than 200 Diplostephium taxa have been described. In the absence of a recent revision of the genus, a nomenclator of Diplostephium is provided based on an extensive ...
(Vol.14, 2011-12) A Study of Chaptalia (Asteraceae: Mutisieae) in Central, Southern, and Western Texas and the Resurrection of Chaptalia Carduacea
Recent authors have considered there to be just one species of Chaptalia in central, southern, and western Texas and have called it C. nutans, C. nutans var. texana, or C. texana. Field studies in Travis and Hays counties ...