| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
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| Poaceae | Polypogon australis | Chilean Rabbitfoot Grass | Waste area near wool mill, presumably merely a waif. | Native of s. South America (Chile). | 
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| Poaceae | Polypogon interruptus | Ditch Rabbitfoot Grass | Ditches, disturbed wet areas. | Native of w. North America, Mexico, south through Central America to South America. | 
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| Poaceae | Polypogon maritimus var. maritimus | Mediterranean Beardgrass | Brackish marshes. | Native of Mediterranean Europe. P. maritimus Willdenow is reported as introduced to GA (Small 1933). | 
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| Poaceae | Polypogon monspeliensis | Annual Rabbitfoot Grass, Beardgrass, Annual Beardgrass | Brackish marshes, fields, nurseries, hammocks, other disturbed areas. | Native of s. Europe to w. Asia. | 
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| Poaceae | Polypogon viridis | Water Bent-grass | Springs, creekbeds, also introduced on ballast around old ports (where probably not persistent). | Native of the Old World. Reported for nw. LA (MacRoberts, MacRoberts, & Allen 2020). | 
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