• Cirsium mexicanum is a Mesoamerican and Caribbean species of plants in the tribe Cardueae within the family Asteraceae. (wikipedia.org)
  • SEINet, Southwestern Biodiversity, Arizona Chapter, Cirsium mexicanum DC includes photos and Mexican distribution map Pérez J., L. A., M. Sousa Sánchez, A. M. Hanan-Alipi, F. Chiang Cabrera & P. Tenorio L. 2005. (wikipedia.org)