A damned or damn yellow composite (DYC) is any of the numerous species of composite flowers (family Asteraceae) that have yellow flowers and can be difficult to tell apart in the field. page 230 page 145 It is a jocular term, and sometimes reserved for those yellow composites of no particular interest. Notable individuals who referred to these flowers as "DYCs" include Oliver Sacks page 48 and Lady Bird Johnson. page 172 The U.S. National Park Service provides information to help visitors identify "Darn Yellow Composites".
See also Little brown bird Little brown mushroom
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Use during urban plant survey