panic grass, witchgrass
3 species
4 subspecies and varieties
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Panicum capillarewitchgrass
Distribution: Introduced and weedy in much of the United States and southern Canada.
Habitat: Moist and irrigated areas, along streams and around ponds.
Origin: Native
Flowers: June - September
Growth Duration: annual
ssp. capillare – or common panicgrass, witchgrass
Panicum dichotomiflorumfall panicum
Distribution: Native in most of central and eastern United States; occasionally introduced in Washington.
Habitat: Waste ground.
Origin: Introduced
Flowers: May - September
Growth Duration: annual, perennial
ssp. dichotomiflorum – fall panicum, western witchgrass
Panicum miliaceummillet
Distribution: Introduced and cultivated in many parts of the United States; occasionally escaping and persisting in the Pacific Northwest.
Habitat: Abandoned fields, roadsides, waste ground.
Origin: Introduced
Flowers: July - September
Growth Duration: annual
ssp. miliaceum – broomcorn, hog millet, panic millet, proso millet
ssp. ruderale – broomcorn, hog millet, panic millet