A checklist of pteridophytes colleted Cham Chu mountains and adjacent sites

Abstract

Located in Tuyen Quang and Ha Giang Provinces, the Cham Chu Nature reserve (NR) has diverse plant ecosystem types, and its the flora is rich in species. However, the pteridophyte flora of Tuyen Quang and Ha Giang Provinces has not been so far generally studied. This study presented results of three biotic surveys conducted on Cham Chu mountains and adjacent sites Surveys in 2018-2019. A total of 123 plant specimens gathered and analyzed. With 84 plant species of 43 genera belonging to 23 families recorded. The family Polypodiaceae is the richest with 8 genera and 12 species. Two genera, Tectaria and Pteris, are rich in species, with 9 and 8 species, respectively. A checklist of species was also provided.