title: B. laevis
text: # B. laevis
  
  B. laevis may refer to:
  
  * Balanus laevis, a barnacle species in the genus Balanus
  * Barbichthys laevis, the sucker barb, a ray-finned fish species
  * Bidens laevis, the bur-marigold or smooth beggartick, a flowering plant species native to the southern half of the United States
  