Open access:
Woutersen, A., Jardine, P.E., Bogota-Angel, R.G., Zhang, H., Silvestro, D., Antonelli, A., Gogna, E., Erkens, R.H.J., Gosling, W.D., Dupont-Nivet, G. & Hoorn, C. (2018) A novel approach to study the morphology and chemistry of pollen in a phylogenetic context, applied to the halophytic taxon Nitraria L.(Nitrariaceae). PeerJ 6, e5055. DOI: 10.7717/peerj.5055