This thing screams out "Virginia Creeper". Some people are allergic to it, but most aren't. If you find you're not allergic, get some chicken wire, stand it against a tree in the back of your yard, where you don't garden, and dig the creeper up. Replant at the base of the chicken wire arrangement and watch the creeper eat the wire and the tree (given enough water). It makes nice flowers, but the berries are poisonous--do not eat.
When I wait 3 months for my mango seedling to sprout, and then it damps off.