Bacillus polymyxa

Ba·cil·lus pol·y·myx·a

a bacterial species found in soil, water, milk, feces, and decaying vegetables; some strains produce the antibiotic polymyxin.

Bacillus polymyxa

A bacterial name first used by Prazmowski in 1880 and retired in the mid-1950s; now known as Paenibacillus polymyxa.