Maternal families from roadside populations of Dipsacus fullonum subsp. sylvestris displayed greater tolerance of both high salinity and drought during germination than families from old field populations. However, the tolerances were not correlated, indicating that they are separate traits.
Beaton, L. L. & Dudley, S. A. (2013). Tolerance of roadside and old field populations of common teasel (Dipsacus fullonum subsp. sylvestris) to salt and low osmotic potentials during germination. AoB Plants, 5, plt001. doi:10.1093/aobpla/plt001.