publication venue for
- The demise of Monechma: new combinations and a new classification in the resurrected genera Meiosperma and Pogonospermum (Acanthaceae) 2022
- A taxonomic revision of Acanthaceae tribe Barlerieae in Angola and Namibia. Part 2 2021
- A taxonomic revision of Acanthaceae tribe Barlerieae in Angola and Namibia. Part 1 2019
- Ruellia domatiata (Acanthaceae), a striking new species from Madagascar 2017
- Comparative leaf and stem anatomy in selected species of Ruellieae (Acanthaceae) representative of all major lineages 2014
- A new species and a revised record in Namibian Barleria (Acanthaceae) (vol 67, pg 759, 2012) 2013