things may have been different before 1980 or so, but, in my lifetime, the democrats have basically always lined up best with the conservatives, not the liberals. meanwhile, the liberals have generally been closer to the greens than the democrats.
the reform movement in canada may have tried to align itself with republican insanity, but it never really took off, and there was never really a time in my life where there was a viable republican-like party in canada.