Hemerocallis dumortieri var. esculenta 03.jpg
Flora Reipublicae Popularis Sinicae, volume 14
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
United States Department of Agriculture Plants Database
World Checklist of Selected Plant Families
Open Tree of Life reference taxonomy version 3.2
List of plant species in China (2022 Edition)
Royal Horticultural Society Plant Database