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Etymology: Lactuca: name for "milk"
Plants: erect, biennial/perennial, 1'-5' tall forb with milky juice; stems leafy, smooth Leaves: bluish, with spiny edges and midrib Flowers: head 1" wide with 20-56 bluish-white to yellow rays; inflorescence of a few, relatively large heads in loosely-branched clusters; blooms July-Sept. Fruits: blackish, flat, dry seed with only one obvious line on each side Habitat: sun; prairies, meadows Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = UPL Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos
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© Wisconsin State Herbarium, UW-Madison
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