Korean Grass is a creeping, fine textured, bumpy type of grass.
St. Augustine Grass is a coarse textured grass from tropical and subtropical regions. It spreads fast by surface runners that root at the joints. It has dark green leaves that grow up to 3/8 inches wide on coarse, wiry, flattened stems.
Dichondra is a ground hugging plant that spreads by rooting surface runners. Its small, round leaves look like miniature water lily pads. In shade and with regular moisture and nutrients, it can grow up to 6 inches and and it requires frequent mowing.