Question: Which is more widespread, Cimicifuga or Andropogon?

Context paragraphs:
Andropogon glomeratus: Andropogon glomeratus is a species of grass known by the common names bushy bluestem and bushy beardgrass.  This grass reaches heights approaching two meters (6 feet) and has large, fluffy cream-colored inflorescences. Each dense, tufted inflorescence has several pairs of hairy spikelets.  The leaves may reach over a meter in length.  This bunchgrass is native to the Americas, where it is widespread.  It has also naturalized in other areas.

Andropogon: Andropogon (common names: beard grass, bluestem grass, broomsedge) is a widespread genus of plants in the grass family, native to much of Asia, Africa, and the Americas as well as southern Europe and various oceanic islands.

Cimicifuga: Cimicifuga (bugbane or cohosh) was a genus of between 12-18 species of flowering plants belonging to the family Ranunculaceae, native to temperate regions of the Northern Hemisphere.

Supporting paragraphs: Cimicifuga Andropogon
Answer: Andropogon