A cyanobacterial crust develops on stabilized sand and, as a result, runoff water may occur after rains.The mucilaginous seeds may float on the runoff water and disperse into depressions or cracks.

• 在固定沙丘上；雨后的蓝细菌结皮上能产生径流水， A.；monosperma的种子在径流水上漂浮并被传播到低洼处或土壤缝隙中。