Investigation on ground cover plants of gardens in Changchun city Effect of Water Stress on Growth and Physiological Characteristics of Lagerstroemia indica‘Summer and summer’and Lonicera nitida‘Maigrun’ Effect of Water Stress on Growth and Physiological Characteristics of Lagerstroemia indica‘Summer and summer’and Lonicera nitida‘Maigrun’ Comparative Research on Drought Resistance of 8 Common Garden Ground Cover Plants in South China Investigation and Analysis of Wild Ground Cover Plants Resources in the Xinning County of Hunan Province Comparative Research on the Drought Resistance of Four Flower Plants of Ground Cover in the Common Garden of Lanzhou The Physiological Responses of Plantago asiatica L.and Viola philippcia Cav.to Water Stress Physiological Responses of Three Ground Cover Plants under Sulfur Dioxide Stress Studies on the Application and Water Adaptability of Ground Cover Plants of Liliaceae in Shenzhen Ecological and Biological Characteristics and Cutting Propagation of Hydrocotyle nepalensis Hook Resource Status of the Ground Cover Plants and Potential Analysis of Exploitation and Utilization in Hangzhou City