Cystobacter badius differs from Cystobacter ferrugineus in the
looping chains of sporangioles, the single sporangioles on
slime cushions, and the stouter vegetative cells and myxospores;
Cystobacter badius differs from Cystobacter velatus in
the much darker color of the fruiting bodies, the absence
or rare occurrence of three-dimensional networks of sporangioles,
and the lack of a delicately plicated slime cover
on the sporangioles, also in the occurrence of individual
sporangioles on slime cushions. The two species are sometimes
very similar. It seems, however, that, in contrast to
Cystobacter badius, Cystobacter velatus normally does not degrade
chitin. Cystobacter badius differs from Stigmatella hybrida
in the lack of sporangioles with real stalks, in the production
of large sori, in the shape of vegetative cells and myxospores,
and in swarm morphology