细满江红分布于美国北部的阿拉斯加到南部各洲及智利、玻利维亚、巴西等地。自1783年定名以来,许多学者对其形态特征,组织解剖和生理特性作了不少的研究,认为是满江红属的模式种。据查考细满江并未进行过有意识的养殖。但也有许多研究者指出细满江红具有较强的固氮活性和繁殖性能及根系固着现象。对细满江红如何进行养殖,充分显示其优良性状,开展 Fine river is located in the northern United States Alaska to the southern continents and Chile, Bolivia, Brazil and other places. Since its designation in 1783, many scholars have done a lot of research on its morphological features, tissue anatomy and physiological characteristics, and considered it as a model species of Azolla. According to the survey fine river did not conduct a conscious breeding. However, many researchers also pointed out that Jiangman has a strong nitrogen fixation activity and reproductive performance and root fixation phenomenon. How to breed fine Jiang Hong, fully demonstrated its good traits, carried out