黑龙江省雪乡浅山区维管植物区系的研究

Study on the Vascular Plants Flora in Shallow Mountain Area of Xuexiang in Heilongjiang Province

对黑龙江省雪乡浅山区维管植物区系特征进行调查研究,结果表明:黑龙江省雪乡浅山区共有维管植物68科、196属、293种,被子植物中双子叶植物占多数,处于优势地位,菊科、禾本科、蔷薇科和毛茛科为优势科;植物种类组成虽然不算丰富,但科、属组成仍然具有一定的复杂性;从科、属分布区类型上来看,区系性质均以温带成分为主,特有现象不明显。

The vascular plants flora characteristics in shallow mountain area of Xuexiang from Heilongjiang were investigated and studied,the results showed that：there are 293 species belonging to 196 genera and 68 families in the area,dicotyledon that belongs to angiosperm is in the majority,Compositae,Gramineae,Rosaceae and Ranunculaceae are dominant families; the species composition is not rich,but family and genus composition still has certain complexity ; From the view of family and genus distribution type,the floristic characters are mainly temperate nature and the endemism is not obvious.