Heptacodium miconioides - in Mount Auburn Cemetery.JPG
Flora Reipublicae Popularis Sinicae, volume 72
The IUCN Red List of Threatened Species 2022.2
Taxonomy database of the U.S. National Center for Biotechnology Information
Global Biodiversity Information Facility
Open Tree of Life reference taxonomy version 3.2
List of plant species in China (2022 Edition)
A new list of threatened woody species in China under future global change scenarios
A checklist of wild vascular plants in Jiangxi Province, China
Royal Horticultural Society Plant Database
North Carolina Extension Gardener Plant Toolbox