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SCIENTIFIC NAME
COMMON NAME
THUMBNAILS
Kingdom Plantae
Sub Kingdom Tracheobionta (vascular plant)
Superdivision Spermatophyta (seed plant)
Division Magnoliophyta (flowering plant)
Class Magnoliopsida (dicotyledon)
Order Asterales
Family Asteraceae
Genus Taraxacum
Species officinale
Classification G.H. Weber ex Wiggers
Common name dandelion

Geographic Range it is native to Europe, but nowadays it is naturalised in many parts of the world.
Physical Characteristics it is a perennial plant. Its taproot may be up to 15 centimeters long, the stems of the leaves are short and completely underground and they produce a rosette of leaves on the ground surface. It blooms from spring until autumn, the flower-heads are solitary and they are located at the end of naked hollow stalks; each head may contain from 100 to 400 yellow flowers, with two rows of back folded flower bracts. The stem may be 50 centimeters high and it contains white juice. The seeds are topped by a "parachute" of bristles (pappus) that aids the dissemination process. The dandelion forms mycorrhizal associations. The leaves are lobate and from 5 to 25 centimeters long.
Habitat lawns, uncultivated grounds, woods.

Sources  
References USDA Forest Service
Web References http://www.fs.fed.us/
Source of the photo http://www.esb.utexas.edu/

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