Brickellia macromera is a rare Mexican species of flowering plants in the family Asteraceae. It is found only in the state of Baja California Sur in western Mexico.Turner, B. L. 1997. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 1 – Eupatorieae. Phytologia Memoirs 11: i–iv, 1–272Madrean Archipelago Biodiversity Assessment, Brickellia macromera B.L.Rob. includes distribution map and photo of herbarium specimen
Brickellia macromera is a branching shrub with white bark on the limbs and trunk. It produces several flower heads with disc florets but no ray florets.Robinson, Benjamin Lincoln 1917. Memoirs of the Gray Herbarium of Harvard University 1: 107Blake, Sydney Fay 1926. Contributions from the United States National Herbarium 23(5): 1483 as Coleosanthus macromerus
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