Resumen

RZEDOWSKI, Jerzy  y  CALDERON DE RZEDOWSKI, Graciela. Simsia bicentenarialis (Compositae-Heliantheae) a new species of the central part of Mexico. Act. Bot. Mex [online]. 2010, n.93, pp.121-125. ISSN 2448-7589.

Simsia bicentenarialis from northeastern and central Queretaro and northeastern Guanajuato is described as new and illustrated. It shows similarities with some varieties of S. foetida (Cav.) S. F. Blake.

Palabras llave : Compositae; Heliantheae; Mexico; Simsia; taxonomy.

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