摘要
河南蕨类植物计有28科、69属、195种。通过对科、属、种分布类型的统计分析,论述了河南蕨类植物区系地理成分多样、以温带性质为主,区系的古老性与第三纪古热带残遗性;以西南、华中、华北、华东成分为主,兼有东北、西北与华南成分,热带与温带、湿润与干旱多方交汇过渡的区系性质和特点。
Pteridophyta possess 28 familics 69 genera and 195 species in Henan.Through analyes to
the geographical elements of families genera and species,this paper discuss that the geo-
graphical elements of pteridophyta flore are manifold and barically characterized by
tempe-rate nature ancient and rclict feature of Tertiary Period.The pteridophyta flora closely
relate to south-west central-China north-China east-China and also there exist a lot ele-
ments of noeth-east north-west and south-China;There exist the cross and transition of the
tropical and temperate elements,humid and arid elements.
出处
《河南科学》
1991年第4期62-70,共9页
Henan Science
