Bacillus (Paenibacillus) polymyxa
A large aerobic gram-positive or gram-variable bacillus that produces endospores. It produces thin colonies on agar medium with amoeboid spreading or may be mucoid. It is ubiquitous in nature being found in soil, dust, water, plants, humans and animals. Usually considered nonpathogenic for humans, but may occasionally be an opportunistic pathogen.