. . . "*Bidens polylepis var. retrorsa (Sherff)" . "*Coreopsis aristata (Willd.)" . . "*Coreopsis aristosa (Michx.)" . . . . . . "Bidens aristosa is a North American species of plants in the sunflower family. Common names include bearded beggarticks, long-bracted beggarticks, tickseed beggarticks, swamp marigold, western tickseed and Yankee lice. It is native to eastern and central United States and south-central Canada, from Maine south to Florida and west as far as Ontario, Texas, and Nebraska.Bidens aristosa is an annual herb occasionally reaching 150 cm (5 feet) in height."@en . . . "*Diodonta aristosa (Michx.) Nutt.)" . "Bidens aristosa"@en . "*Diodonta involucrata (Nutt.) Nutt.)" .