TL;DR: The distribution and quantitative significance of biosynthetically related di- and ter-thiophenes from 27 species representing seven genera of the Pectidinae (Heliantheae) was investigated by reverse-phase HPLC.
TL;DR: The genus Chrysactinia (Asteraceae, Tageteae) includes 6 species distributed in central and northeastern Mexico, with 1 species extending its distribution to the southwestern United States.
Abstract: The genus Chrysactinia (Asteraceae, Tageteae) includes 6 species distributed in central and northeastern Mexico, with 1 species extending its distribution to the southwestern United States. A synopsis of the genus is provided, including a key to species identifi cation as well as distribution maps.
TL;DR: In this article, a CONSTITUIDO POR 6 ESPECIES, DISTRIBUIDAS PRINCIPALMENTE EN EL CENTRO Y NORESTE DE MEXICO, UNA DE ELLAS ALCANZA EL SUROESTE de LOS ESTADOS UNIDOS.
Abstract: EL GENERO CHRYSACTINIA (ASTERACEAE, TAGETEAE) ESTA CONSTITUIDO POR 6 ESPECIES, DISTRIBUIDAS PRINCIPALMENTE EN EL CENTRO Y NORESTE DE MEXICO, UNA DE ELLAS ALCANZA EL SUROESTE DE LOS ESTADOS UNIDOS. SE PRESENTA UNA SINOPSIS DEL GENERO, UNA CLAVE PARA LA IDENTIFICACION DE LAS ESPECIES Y MAPAS DE DISTRIBUCION.