Which native plants would make a good GROUND COVER in Miami? -

I am looking for a backyard ground cover other than the crab grass (brought here from the North). It has to be appropriate for a humid tropical climate, look naturally attractive both in wet and dry season and without much maintenance, can occasionally be walked on without suffering much damage. Any ideas?

Don t know how much sun the backyard gets or how good the soil is. So here s a puiblication by the University Of Florida about a large variety of native groundcovers in Florida and their tolerances: By the way, in Table 1, watch for the Hardiness Zone. T stands for tropical, aka Miami. http://edis.ifas.ufl.edu/eh402