Epimedium wushanense - Savill Garden - Windsor Great Park, England - DSC06484.jpg
Flora Reipublicae Popularis Sinicae, volume 29
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
Open Tree of Life reference taxonomy version 3.2
A Scientific Dataset of useful plants of China
List of plant species in China (2022 Edition)
A checklist of vascular plants in Shaanxi Province, China (Version 2021)
Royal Horticultural Society Plant Database