Dandelion Taraxacum officinale

http://plantas-y-flores.blogspot.com/
Description: a yellow button-like flower hairless, deeply lobed
leaves that form a basal rosette with a long thick tap root
Parts used: leaves, flower and roots
Used as/for: liver, joints, constipation, fever, upset stomach,
spring tonic
Preparations: food, coffee, tea, infusion, vinegar, wine
Habitat: open fields and lawns