Becker R., Báez O. P., Singer R. F., Singer R. B., Contrasting Pollination Strategies and Breeding Systems in Two Native Useful Cacti from Southern Brazil, Plants, 2023, 12(6):1298, doi: 10.3390/plants12061298
Pollination experiments compare Pereskia aculeata and Cereus hildmannianus in southern Brazil. The authors analyse self-fertility, self-pollination and animal visits.