杭州植物园野生维管植物调查

杭州植物园内共有野生维管植物501种、4亚种、30变种、1变型（隶属于119科365属）。本文除反映了有关物种种群个体的多度之外，突出地反映了其中归化植物44种、珍稀濒危植物5种，该园建园以来分布区已明显收缩的植物35种、2变种，濒于绝灭的植物27种、2变种，已经绝灭的植物31种、1亚种和自园外传入的植物28种、1变型，并初步分析了该园内物种及其种群分布的动态变化及其原因。

Investigation of Wild Tracheophytas in Hangzhou Plant Garden

There were 501 species, 4 subspecies, 30 varieties, and 1 medification of wild tracheophytas in Hangzhou Plant Garden. This paper discribed abundsnce of some species, specially introduced 44 species of naturalized plant. 5 species of rare and endanged plant, 35 species whose distribution area had evidently decreased since the garden was constructed, 27 species and 2 varieties which were on verge of extinction, 31 extincted species and 28 species and 1medification of introduced plant, and preliminarily analysed the dynamics of the population distribution.