New records of alien and potentially invasive grass (Poaceae) species for southern Africa.

Sylvester, S. P., Soreng, R. J., Sylvester, M. D. P. V., Mapaura, A., Clark, V. R., (2021). Bothalia - African Biodiversity & Conservation 51(a1) South African National Biodiversity Institute, Pretoria, South Africa. English language

Poa (Poaceae) of Colombia: a taxonomic revision.

Sylvester, S. P., Soreng, R. J., Bravo-Pedraza, W. J., Cuta-Alarcon, L. E., Giraldo-Cañas, D., (2020). Annals of the Missouri Botanical Garden 105(2), 232-279. Missouri Botanical Garden Press, St. Louis, USA. English language