Orochaenactis thysanocarpha (A. Gray) Cov.
      
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2 727282 Orochaenactis thysanocarpha (A. Gray) Cov. [80 228321 Chaenactis thysanocarpha A. Gray] Compositae
Contr. U.S. Natl. Herb., vol. 4 : t. 10 (1893) [R. Cowing]