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There are dozens of low ground covers and creeping perennials resilient enough to withstand being walked on. Notice how much (or little) the pathway you're thinking of planting is used and choose the right perennial for your pathway.
Melianthus major - Honey Flower
Echinacea purpurea 'White Swan'
Eremurus robustus 3m x 1.2m full sun, well drained, variety of soils