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
See also edit
This disambiguation page lists articles associated with the same abbreviated species scientific name.
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