biennial

Cirsium rothrockii (A. Gray) Petr.

Cirsium rothrockii (A. Gray) Petr.. Cirsium arizonicum, the Arizona thistle, is a North American species of thistle in the family Asteraceae, native to the southwestern United States and northwestern Mexico. It has been found in Arizona, southeastern California, New Mexico, Nevada, Colorado, Utah, Sonora, and northwestern Chihuahua.

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Native range

Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.

Related plants

Sources

USDA PLANTS