为了完成第四次全国中药资源普查江口县试点工作和摸清该县蕨类药用物种资源的家底。普查队通过大量的野外实地调查、标本采集和标本鉴定、内业整理和文献研究，对江口县药用蕨类植物资源种类现状进行了系统的研究。结果表明，江口县蕨类药用植物有41 科88 属246 种,其中有药用新资源15 种、中药资源普查重点品种8 种、珍稀濒危品种14 种。药用资源物种数占贵州省蕨类药用植物54.6%，比现有文献报道多26种，对丰富贵州省药用蕨类植物资源具有重要的意义。

This study was aimed to complete the pilot work on the fourth national survey of traditional Chinese medicine (TCM) resources in Jiangkou County and find out all kinds of medicinal species resource of pteridophyte in this county. Based on a lot of field investigations, specimen collection and identification, internal arrangement and literature research, the census team systematically investigated the species of medicinal pteridophyte in Jiangkou county. The result showed that there were 246 species of medicinal pteridophytes from 88 genera and 41 families in Jiangkou county, in which there were 15 new species of medicinal resources, 8 kinds of TCM varieties included in the key resources survey, 14 kinds of rare and endangered species. The amount of medicinal resources accounted for 54.6% of the fern medicinal plants in Guizhou province and 26 extra kinds which were not mentioned in the existing literatures. This study had significant meaning in enriching the resources of medicinal pteridophytes in Guizhou Province.

国家中医药管理局全国第四次中药资源普查（试点）工作专项（国中医药规财[2014]146号），负责人：鲁道旺；贵州省教育厅贵州省普通高等学校产学研基地项目（黔教合KY字[2014]233），负责人：鲁道旺；贵州省教育厅青年项目（黔教科[2010]082号）；梵净山珍稀中药资源调查与保护研究，负责人：鲁道旺。