Forest, F. et al. 2018. Gymnosperms on the EDGE. Scientific Reports 8: 6053. doi:10.1038/s41598-018-24365-4.
- Dioon holmgrenii is rated as Endangered (EN) according to IUCN Red List criteria and has received a EDGE score of 1.55, which places it in position 192 on the EDGE Gymnosperm list. It has a Evolutionary Distinctiveness of 11.22, ranked 249. More information on the EDGE Gymnosperm project here https://www.edgeofexistence.org.
- EDGE of Existence (Gymnosperms)
Kew Backbone Distributions
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Kew Names and Taxonomic Backbone
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0