Sorghum × almum, the Columbus grass, is a hybrid species of flowering plant in the family Poaceae.

[1] Its parents are Sorghum bicolor × S. halepense (Johnsongrass).

[2] Sorghum × almum is one of the most valuable livestock forage and fodder crops during summer in semi-arid and sub-humid areas worldwide.

[3] It is considered a noxious weed in several US and Australian states.

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