Pteridophyta, with specific physiological enginery, is quite difficult to control.
蕨类是一种具有特殊生理机能的植物，作为杂草很难治理。
Among thein, 2 species and 1 species are respectively pteridophyta and gymmospermae.
被子植物中较大的科有3科，其中最大的科是菊科，其次分别为禾本科和豆科。
Plants of the phylum Pteridophyta, often found in the shady moist undergrowth in forests.
附翻译：蕨类植物门，常生长在森林中阴暗潮湿的下层丛林中。
The Pteridophyta plants were found to have a great species coefficient, high habitat coherence and small flora richness.
研究结果如下：(1)保护区共有蕨类植物38科74属153种；属种系数大，生境条件一致性高，区系丰富度小。
ObjectiveTo survey medicinal pteridophyta resources in Damu Mountain Nature Reserve Area.
目的报道大木山自然保护区药用蕨类植物资源状况。
ConclusionDamu Mountain Nature Reserve Area is abundant in medicinal pteridophyta resources.
结论大木山自然保护区药用蕨类植物资源丰富，值得进一步开发利用。
More than 100 species which act as domestic garden plant in Tongren region are found in Fanjing mountain by surveying, 71 species have ascertained including 5 Pteridophyta, 4 Gymnosperm and 62Angiosperm, these domestic garden plant are utilized from garden to ground layer and so on.
通过对贵州梵净山考察发现，可作为铜仁的具有开发利用价值的乡土园林植物在100种之上，已确定的达71种，包括蕨类植物5种，裸子植物4种，被子植物62种。
Evaluation of Acetylcholinesterase Inhibitory Activity of Different Plant belonging to Pteridophyta Extracts
不同蕨类植物提取物乙酰胆碱酯酶抑制活性的评价
Seed plants; comprises the Angiospermae and Gymnospermae; in some classification systems Spermatophyta is coordinate with Pteridophyta (spore producing plants having vascular tissue and roots) and Bryophyta (spore producing plants lacking vascular tissue and roots).
种子植物；包含被子植物部和裸子植物部；在一些分类中，种子植物等同于蕨类植物（其孢子能生成有维管组织和根的植物）和苔藓植物（其孢子生成的植物没有维管组织和根）。
Among them, 1 family, 1 genus, 3 species belong to Pteridophyta;
其中蕨类植物1科，1属，3种；
This paper first report the 30 species and 3 variety medicinal pteridophyta in Shandong province. of which belong to 17 families 23 genera.
报道了山东省药用蕨类植物30种和3变种、隶属于17科23属。
Study on the origin of some Pteridophyta and Pteridospermae plants of the Late Palaeozoic Era
某些晚古生代蕨类和种子蕨植物起源问题的研究
The Development and Utilization of Pteridophyta in Sichuan Province
四川蕨类植物资源的开发与利用
The results show that there is a strong positive correlation between pteridophyta spore/gymnosperm pollen and some major/trace elements in coal.
结果表明，成煤的蕨类植物孢子和裸子植物花粉与某些常量元素和微量元素有着很高的相关性；
Based on investigation and statistical analyses, the pteridophyta geographical elements of Pan'an, Zhejiang Province was studied in the present paper. There are 112 species (include varieties) of pteridophytes belonging to 60 genera, 35 families in Pan'an.
分析了浙江磐安蕨类植物区系的组成和分布区类型，现知磐安共有蕨类植物34科、60属、112种（包括各种变种和变型）。
New Distribution of Pteridophyta in Henan Province
河南蕨类植物新分布
As well as 282 common higher plant species (including 8 species of Bryophyta, 9 species of Pteridophyta, 3 species of Gymnospermae and 262 species of Angiospermae) belonging to 72 families and 183 genera.
高等植物282种，隶属于72科183属（苔藓8种，蕨类9种，裸子植物3种，被子植物262种），其中国家重点保护野生植物5种。
Through the investigation, this paper found that there were 32 families 80 genera 131 species of pteridophyta on Mount Fengyang.
浙江凤阳山自然保护区自然生态系统保存良好，地质、土壤、气候等很适合藓类植物的生长和分布，通过调查发现，凤阳山有藓类植物32科80属131种。
New Records and Clarification of Some Names of Pteridophyta in Hong Kong (ⅱ)
香港蕨类植物分布新记录和名称修订（二）
If the future temperature rise 4 ℃, the 95% decomposition time of monocotyledons, dicotyledons, gymnosperms and pteridophyta will shorten 22.57%, 14.78%, 18.73% and 20.75%.
若未来温度升高4℃，单子叶植物、双子叶植物、裸子植物和蕨类植物的95%分解时间均值将分别缩短22.57%、14.78%、18.73%和20.75%。