The DNA/RNA collection database of TPG! Collecting started from 2006, covered countries in Asia, and accumulates more than 10 thousand pteridophyte samples. The classification system in this database mainly follows PPG 1 (2016) or TPG (2019 or afterward; see our website here) particular for Asian taxa. For advanced using or sample request, please contact with Dr. Li-Yaung Kuo ([email protected]), and read the details in the material-sharing agreement (pdf or docx).