Answer: There are quite a few groundcovers that will suit that area. Consider Ajuga (Carpet Bugle, many varieties), Aegopodium (Snow-on-the-Mountain, spreads very quickly), or Asarum canadensis (Wild Ginger). The first two have flowers. You will need to improve the soil a bit to get ground cover to thrive in that area. At planting time, work organic matter such as compost, leaf mould, or composted cow manure into the planting area. This will gently nourish the plants and improve soil composition. You mention the top soil has washed away...is this area subject to regular flooding? If yes, you may not be successful at getting any groundcover to thrive.
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