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This book records 68 families, 106 genera and 162 species of ornamental rare and endangered plants, including ferns (7 families, 9 genera, 11 species), gymnosperms (8 families, 16 genera, 30 species), angiosperms (53 families, 81 genera, 121 species).

 

Categorized by biotype, there are 118 kinds of arbors, 23 kinds of arbuscles, 18 kinds of herbs; categorized by degree of endangerment, there are 28 kinds of CR, 54 kinds of EN, 47 kinds of VU, 11 kinds of CD, 8 kinds of NT, 14 kinds of LC; categorized by protection class, there are 15 kinds under the first grade of the special state protection and 49 kinds under the second grade of the special state protection.

全书共收录观赏珍稀濒危植物68科106属162种，其中蕨类植物7科9属11种，裸子植物8科16属30种，被子植物53科81属121种；按生活型分，乔木118种，灌木23种，草本18种；按濒危程度分，极危（CR）28种，濒危（EN）54种，易危（VU）47种，依赖保护（CD）11种，接近受危（NT）8种，需予关注（LC）14种；按保护级别分，国家Ⅰ级重点保护25种，国家Ⅱ级重点保护49种；

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