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Return to Asteraceae (tribe Heliantheae) subtribe Varillinae.
Theodore M. Barkley†
+, Luc Brouillet
+ and John L. Strother
+B. L. Turner & A. M. Powell in V. H. Heywood et al.
+sw United States
+ and Mexico.
+in V. H. Heywood et al., Biol. Chem. Compositae
+Asteraceae (tribe Heliantheae) subtribe Varillinae
+Asteraceae tribe Heliantheae
+