Dos especies nuevas de Cirsium (Compositae, Cardueae) del Estado de Querétaro (México)

Cirsium bicentenariale is described from northeastern Querétaro and probably from adjacent San Luis Potosí; the species is similar to C. anartiolepis Petrak and to C. conspicuum (Don) Sch. Bip. Another new species, C. zamoranense, a very peculiar plant, somewhat resembling C. jorullense (H.B.K.) Spr...

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Bibliographic Details
Main Author: Rzedowski, Jerzy
Format: Online
Language:spa
Published: Instituto de Ecología, A.C. 1994
Online Access:https://abm.ojs.inecol.mx/index.php/abm/article/view/727