1. Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
   - star-thistle, caltrop

Type of: centaury

• American holly
• American hop
• American hornbeam
• American Indian
• American Indian Day
• American ivy
• American kestrel
• American Labor Party
• American lady crab
• American language
• American larch
• American laurel
• American Legion
• American leishmaniasis
• American licorice
• American lime
• American liquorice
• American lobster
• American lotus
• American magpie
• American maidenhair fern
• American marten
• American mastodon
• American mastodont
• American merganser