Triterpenoids from canes with leaves of Trachelospermum jasminoides Verticase: a Fibrinolytic Enzyme Produced by Verticillium sp. Tj33, an Endophyte of Trachelospermum jasminoides Study on HPLC fingerprint of Trachelospermum jasminoides Influence of Trampling Stress on Chlorophyll Fluorescence Characteristics in Four Species of Landscape Ground Covers Influence of Trampling Stress on Chlorophyll Fluorescence Characteristics in Four Species of Landscape Ground Covers