| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Asteraceae | Lactuca biennis | Tall Blue Lettuce, Blue Wood Lettuce | Pastures, roadsides, forest edges, thickets. | NL (Labrador) and AK south to NC, TN, IA, CO, UT, and CA. |  |
| Asteraceae | Lactuca canadensis | American Wild Lettuce | Fields, roadsides, disturbed ground. | NS and BC south to n. peninsular FL, TX, and CA. |  |
| Asteraceae | Lactuca floridana | Woodland Lettuce | Mesic and dry-mesic forests. | NY, MB and MN south to s. FL and TX. |  |
| Asteraceae | Lactuca graminifolia var. graminifolia | Coastal Plain Lettuce | Mesic to dry-mesic pine-oak woodlands and forests, longleaf pine sandhills, sandy fields, and sandy roadsides. | E. NC south to s. FL, west to c. LA; disjunct in s. NJ. |  |
| Asteraceae | Lactuca hirsuta | Red Wood Lettuce | Dry, sandy or rocky woodlands, forest edges. | NS and ON south to s. GA and e. TX. |  |
| Asteraceae | Lactuca ludoviciana | Louisiana Lettuce | Fields, roadsides, mesic forests. | MB and BC, south to IN, KY, LA, TX, and CA. |  |
| Asteraceae | Lactuca saligna | Willowleaf Lettuce | Fields, roadsides, disturbed ground, perhaps associated with circumneutral soils. | Native of Europe. |  |
| Asteraceae | Lactuca sativa | Garden Lettuce | Cultivated throughout our area in home gardens and commercially, rarely weakly persistent, common as a cultivated plant, rare as a short-lived waif. | Native of Eurasia. |  |
| Asteraceae | Lactuca serriola | Prickly Lettuce | Roadsides, disturbed ground, pastures. | Native of Europe. |  |
| Asteraceae | Lactuca virosa | Bitter Lettuce | Disturbed areas. | Native of Eurasia. Reported for DC and AL (Kartesz 1999; Kartesz 2015; FNA19); no specimens have been seen that document this distribution. |
Cite as...