Arnicastrum is a genus of flowering plants in the family Asteraceae.Greenman, Jesse More. 1903. Proceedings of the American Academy of Arts and Sciences 39(5): 115 in EnglishTropicos, Arnicastrum Greenm.
Species Both species are endemic to Mexico. Arnicastrum glandulosum Greenm. - Chihuahua, Durango Arnicastrum guerrerense Villaseñor - Guerrero
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