Any of many Gram-negative rod-shaped bacteria, of the class Flavobacteriia ^([sic]), that occur in soil and water, and are mostly pigmented and photosynthetic.
fluviolacustrine
fluviolacustrine
adj
Produced by rivers and lakes (especially alternately)
fluvioterrestrial
fluvioterrestrial
adj
Relating to land and fresh water, but not the seas.
