Many accounts are incomplete although new information is being added continuously.
Errors do occur. Users are cautioned to refer back to the original cited source to assess completeness and correctness before using the information. Web updates are intermittent, not continuous, therefore some dynamic information such as legal status may not be absolutely current. Subsequently populations belonging to this taxon were assigned to two supspecies of R. pipiens, R. p. berlandieri and R. p. sphenocephala. Later the southern Texas populations were included as the nominate subspecies of R. berlandieri with other complex members from Mexico.