1. Aerts, R. 1995. The advantages of being evergreen. Trends in Ecology & Evolution 10: 402–407.
2. Aiken, S. G., M. J. Dallwitz, L. L. Consaul, C. L. McJannet, R. L. Boles, G. W. Argus, J. M. Gillett, P. J. Scott, R. Elven, M. C. LeBlanc, L. J. Gillespie, A. K. Brysting, H. Solstad & J. G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, illustrations, identification, and information retrieval. (CD-ROM). NRC Research Press, Ottawa. https://nature.ca/aaflora/data/www/ememni.htm
3. Airy, H. 1877. On the leaf-arrangement of the crowberry (Empetrum nigrum). Proceedings of the Royal Society of London 25: 158–160. https://royalsocietypublishing.org/doi/abs/10.1098/rspl.1876.0035
4. Alberta Biodiversity Monitoring Institute. 2019. Crowberry (Empetrum nigrum). https://abmi.ca/home/data-analytics/biobrowser-home/species-profile?tsn=99004669
5. Alsos, I. G., G. Arnesen & R. Elven. 2019. The flora of Svalbard. Empetrum nigrum L. ssp. hermaphroditum (Hagerup) Böcher. https://svalbardflora.no/index.php?id=559