Answer: Sagina subulata, commonly called Scotch Moss or Irish Moss, is often used as a filler between paving stones or bricks. Irish Moss has a golden green color and Scotch Moss is a deeper green. They both produce flowers on stalks held above the cupped leaves, which might account for the 'grass-like' appearance. Crimson Clover has much larger leaves, with each leaf divided into thirds but attached to one stem. The leaves of Crimson Clover have a reddish tint. The above descriptions should help you decide which plant is growing between the bricks in your yard. You should be able to find seeds for Sagina subulata through Cyberseeds, PO Box 171102, San Antonio, TX 78217-1102.
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