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Croptilon rigidifolium, called the stiff-leaf scratchdaisy, is a North American species of flowering plants in the aster tribe within the sunflower family. It has been found in the US State of Texas and also in the Mexican State of Nuevo León.
Croptilon rigidifolium is an herb sometimes reaching a height of 150 cm (5 feet). Flower heads are yellow, with both ray florets and disc florets.
References
Croptilon rigidifolium Wikipedia(Text) CC BY-SA