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经调查统计，山东有木本植物６３科１４２属４０１种，其中世界性单型属和少型属共１８属占１２．６８％，表明本区系的起源有一定古老性。区系成分分析表明，北温带成分居首位（２７．５４％），其次是泛热带成分（１６．６７％）、东亚成分（１４．４９％）和东亚北美成分（１３．０４％）。各类温带成分共８９属占６４．４９％，而热带成分为４６属占３３．３４％，表明本区系为暖温带性质。此外，文中列出了山东省特有树种及分布的名录，以便保护。
According to the investigation and statistics, there are 401 species of woody plants belonging to 142 genera in 63 families in Shandong Province, of which 18 genera and 12 genus belong to 12.68% of the world, indicating that the origin of this region is ancient. The analysis of floristic composition shows that the north temperate component is the highest (27.54%), followed by the tropical component (16.67%), the East Asia component (14.49%) and the East Asia North America component (13.04%). A total of 89 genus of various temperate components accounted for 64.49%, while the tropical component of 46 genera accounted for 33.34%, indicating that the area of warm temperate nature. In addition, the article lists the endemic species and distribution of Shandong Province directory, in order to protect.