[1]
Magee, A.R., BOATWRIGHT, J.S. and MUCINA, L. 2014. Four new species of <em>Ursinia</em> (Asteraceae, Anthemideae) from South Africa, with an updated key to the genus in Namaqualand. Phytotaxa. 177, 3 (Aug. 2014), 137–145. DOI:https://doi.org/10.11646/phytotaxa.177.3.1.