This interesting plant is called coastal jointweed (Polygonella articulata), which is a North American native in the buckwheat family ( Polygonaceae). This was found in a particularly sand section of Vermont forest. Green Thumb Nursery Ventura Green Thumb Nursery Wisconsin Weeping Willow Sooner Plant Farm Royal Carpet Alyssum Seeds and Plants Annual Flower Garden Burpee Hamburg: Planten, Blomen, Lcht un Toon