Steyn HM, van Wyk AE.

Taxonomic notes on the Acanthopsis disperma-hoffmannseggiana complex (Acanthaceae, tribe Acantheae), with an interim key to members of the genus

. Phytotaxa [Internet]. 2015 Jul. 7 [cited 2025 Jul. 17];219(1):1–26. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.219.1.1