We have mentioned in the descriptions if plants are aggressive but plants spreading by runners are less of a problem ecologically than plants with wind or animal borne seeds.
(We; have mentioned; L:in the descriptions) (plants; are; aggressive) (plants; spreading; L:by runners) (plants spreading by runners; are; less of a problem ecologically than plants with wind or animal borne seeds)
We plants plants plants spreading by runners
have mentioned are spreading are
L:in the descriptions
aggressive
L:by runners
less of a problem ecologically than plants with wind or animal borne seeds