Hymenopappus carrizoanus, commonly known as the Carrizo Sands woolly white, is a North American species of flowering plant in the daisy family. This species is endemic to Texas, specifically found on the Carrizo Sands in the central part of the state.Biota of North America Program 2014 county distribution map
Hymenopappus carrizoanus is a biennial herb up to 150 cm (5 feet) tall. It produces 45–60 flower heads per stem, each head containing 20–40 white disc flowers. Notably it lacks ray flowers.Flora of North America, Hymenopappus carrizoanus B.L. Turner Turner, Billie Lee. 1989. Phytologia 67(4): 293–296 diagnosis in Latin, description and commentary in English, distribution map on page 295
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