Name: Wall Lettuce (Mycelis muralis)
Higher classification: Lactuca
Clades: Angiosperms, Eudicots, Asterids
Description: A perennial flowering herb of the genus Lactuca in the dandelion tribe within the daisy family, also referred to Mycelis muralis (L.) Dumort. Its chief characteristic is an open airy clumps of yellow flowers. Each "flower" is actually a composite flower, consisting of 4-5 petal-like flowers (strap or ray flowers), each approximately 5–7 mm (0.20–0.28 in) in length. There are no disc flowers. Lactuca muralis grows about 2–4 feet (0.6–1.2 m) tall with the lower leaves pinnately toothed and clasping.
Distribution: Lactuca muralis is a native of Europe but has invaded shady roadsides, paths and logged areas of the Pacific Northwest and New England. It has become naturalized in parts of Northern Ireland as long ago as 1913. It can be found in woodlands, especially Beech. It is also found in calcareous soils, and walls.
Dymadex's entries on plants, living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses.
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