Magoswana, L., Boatwright, S. J. ., Magee, A. R., & Manning, J. C. . (2021). Othonna koos-bekkeri Van Jaarsv. is a synonym of Othonna cerarioides Magoswana & J.C. Manning (Asteraceae: Othonninae). Bothalia, African Biodiversity & Conservation, 51(2). https://doi.org/10.38201/btha.abc.v51.i2