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Molecular analyses of samples of the genus from America and related genera have revealed that Gaultheria could be considered paraphyletic if the closely related genera of the "wintergreen group", i.e., Diplycosia, Tepuia and Pernettya, are excluded. These genera should be treated as part of Gaultheria; however, an infrageneric system of the genus may not be well established without sampling the Asian members of the genus.

对白珠树属产于美洲的类群和相关类群的分子系统学的初步研究则表明，该属与Diplycosia、Tepuia和Pernettya等属关系密切，可能应将这几个属并入到白珠树属中，但其属下分类系统关系还需要对产于亚洲的类群进行深入的研究后才能确定。

According to the statistics,There are 28 species of the key national preserved plant,which belong to 14 families 23 genera,of which there are 3 families 7 genera 10 species of gymnosperm and 11 families 16 genera 18 species of angiosperm,of which 3 species belong to the first grade of protected of plants and 25 species belong to the second grade of protected plants.

河南省处于温带与亚热带地区，植物资源丰富。据统计，国家重点保护植物28种，隶属14科23属，其中裸子植物3科7属10种，被子植物11科16属18种，国家一级重点保护植物3种，国家二级重点保护植物25种。

Species are identified, among which 6 belonging to 6 genera in 4 families were gymnosperm, 22 belonging to 13 genera in 9 families were fern, 339 belonging to 22 genera in 88 families were angiosperm.

此外，由于冬季有时极端最低温较低，故造成了西湖山区也有不少落叶阔叶林和常绿落叶阔叶混交林等现象。

The results showed that the freshwater species were predominant, and 45 species of algal (5 phylums, 32 genera), in which 18 species of Bacillariophyta belong to 12 genera, 15 species of Chlorophyta one genus, 10 species of Cyanophyta 7 genera, and one specie of Euglenphyta and Chrysophyta; 37 species of zooplankton, in which 9 species of Protozoa, 14 species of Rotifera,...

结果表明，淡水种类占绝对优势，藻类5门32属45种，其中硅藻12属18种，绿藻1属15种，蓝藻7属10种，裸藻、金藻各1属1种；浮游动物共计37种，其中原生动物9种，轮虫14种，枝角类2种，桡足类8种，浮游幼虫及其它4种；底栖动物20种，分别为环节动物的多毛类7种，寡毛类2种，软体动物8种，甲壳动物2种，鱼类1种。

Results Total 7 genera 54 species known were reported in Liaoning province,of which blood-sucking midges are 2 genera 49 species,namely 48 species of genus Culicoides including a new species,Culicoides donggangensis sp.nov.and 1 species of genus Lasiohelea;unsucking-blood midges are 4 genera 5 spec...

蠛蠓属1种；非吸血蠓4属5种，即：贝蠓属1种，毛蠓属1种，铗蠓属2种和须蠓属1种。记述了已知种在辽宁省的分布。结论对深入开展辽宁省蠓类的区系分布研究提供了依据。新种模式标本保存在沈阳军区疾病预防控制中心。

The results showed:(1)The flora of community is rich and complex,and it belongs to the transitional zone for many genera,the subtropical-temperate zone geographical composition of genera are dominant,about 51.47% of the total genera,and there are characteristics which form subtropical to temperate zone transition.(2)The species are mostly composed of Fagaceae,Lauraceae,Anacardiacea...

结果表明(1)该群落区系组成比较丰富和复杂，属于许多属的过渡地带，具有从亚热带向温带过渡的特征；(2)种类组成以壳斗科、樟科、漆树科、卫矛科、榆科、五加科、金缕梅科等为主，但优势种、建群种以温带属为主；(3)种群生活型谱以高位芽占绝对优势，群落垂直结构明显。

The 111076 nematode individuls were classified into 43 genera and 4 trophic groups. Among them, 32 genera of nematodes belong to beneficial un-plant parasitic (bacterivorous, fungivorous, omnivorous/predatory) nematodes and 11 genera of nematodes belong to baneful phytophagous nematodes which accounted for 1/4 of nematode collectivity, especially the nematodes in the genus of Tylenchus and Filenchus, involved 51 (91%) and 42 (75%) species of flowers, repectively.

经鉴定111076条线虫分属43个属，4个营养类群（食细菌、食真菌、杂食/捕食和植物寄生线虫），其中有益的非植物线虫属32个，有害的植物线虫属11个，占总调查属数量的1/4，相对比例较大，特别是垫刃属和丝尾垫刃属的线虫出现的频率较高，涉及花卉51种和42种，分别占调查花卉总数的91％和75％。

At genus level, Inner Mongolia Xinjiang region components were 15 genera of which Tetramorium, Proformica and Cataglyphis were typical; North China region components were 15 genera only except Cardiocondyla. Each of Qinghai Xizang region and Northeast China region components was four genera of which Formica and Lasius are typical. Southwest and South China regions components play no significant role.

蒙新区分布的成分有15属，其中以铺道蚁属、原蚁属及箭蚁属为主体，蚁属和心结蚁属次之；青藏区分布的成分有4属，以蚁属和毛蚁属为主体；东北区分布的成分有5属，蚁属和毛蚁属为主体；华北区分布的成分有15属，其中以蚁属、红蚁属和毛蚁属为主体，仅心结蚁属无分布；华中区、华南区和西南区分布的成分均不明显。

Recent results indicate that （1） Oryzeae is monophyletic and falls into two main clades corresponding to the traditionally recognized subtribes;（2） Close affinities of the monoecious genera are not supported, suggesting the multiple origins of unisexual florets;（3） Previous recognition of three monotypic genera （Hydrochloa, Porteresia and Prosphytochloa） is not justified;（4） Based on dating using molecular clock approach, it is estimated that Oryza and Leersia branched off from the remaining genera of Oryzeae -20 million years ago, and separated from each other -14 MYA.

目前已有的研究结果表明：稻族是单系类群，可分为两个主要分支，相当于传统的两个亚族（Zizaniinae和Oryzinae），但稻族单性花小穗是多次起源的，不宜作为划分亚族的依据；一些单型属（Hydrochloa、Porteresia和Prosphytochloa）的建立得不到分子证据的支持；根据分子钟原理估计稻族两个主要分支的分歧时间在大约2000万年前，而稻属和近缘属假稻属Leersia的分歧时间为1400万年：稻属内主要类群的分歧时间在900万年前左右。

Randomly amplified polymorphic DNA and inter-simple sequence repeat markers were used to analyse the genetic diversity and relationships of 20 species in 6 genera from Magnoliaceae and compare the genetic difference among generas with inner genera, combining the other research results, the systematic of 20 species in 6 genera was primarily discussed. The purpose of this study was to provide scientific basic data for systematic and other research on Magnoliaceae.

应用RAPD和ISSR标记对木兰科6属20种植物的遗传多态性和亲缘关系进行分析，比较属间、属内的遗传差异，并结合前人的研究结果，对木兰科6属及属下类群的系统位置进行探讨，旨在为木兰科植物的系统分类及其它研究提供实验依据。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。