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Lactuca graminifolia


Lactuca graminifolia, the grassleaf lettuce<ref>Template:PLANTS</ref> is a North American species of wild lettuce. It grows in Mexico, Central America, Hispaniola, and the southern United States from Arizona to Florida, Virginia and the Carolinas.<ref>Biota of North America Program 2014 county distribution map</ref><ref>SEINet, Southwestern Biodiversity, Arizona chapter, Lactuca graminifolia Michx.</ref><ref>Tropicos, specimen listing for Lactuca graminifolia Michx.</ref><ref>Nash, D. L. 1976. Tribe XI, Cichorieae. En Nash, D.L. & Williams, L.O. (eds), Flora of Guatemala - Part XII. Fieldiana, Botany. 24(12): 440–454, 598–603</ref><ref>Breedlove, D.E. 1986. Flora de Chiapas. Listados Florísticos de México 4: i–v, 1–246</ref>

Lactuca graminifolia is a biennial herb in the dandelion tribe within the daisy family growing from a taproot a height of up to 150 cm (5 feet). The top of the stem bears a multibranched inflorescence with many flower heads. Each head contains 15-20 blue or purple ray florets but no disc florets. The fruit is a brown achene.<ref>Flora of North America, Lactuca graminifolia Michaux, 1803. </ref>



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