Macrothelypteris torresiana - Jardin Botanique de Lyon - DSC05366.JPG
Flora Reipublicae Popularis Sinicae, volume 4(1)
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
United States Department of Agriculture Plants Database
Interim Register of Marine and Nonmarine Genera
Open Tree of Life reference taxonomy version 3.2
A community-derived classification for extant lycophytes and ferns
Diversity and distribution of lycophytes and ferns in China
A checklist of vascular plants in Shaanxi Province, China (Version 2021)