Systematist, Taxonomist, specialist in Poaceae, Pooideae, Poa, and Nomenclature.

Editor of Poaceae data and references in Tropicos and Catalogue of New World Grasses,

http://www.tropicos.org/NameSearch.aspx

http://www.tropicos.org/Project/CNWG

and

Internet Catalogue of World Grass Genera: On-line updates, corrections, and synonymy

http://www.tropicos.org/Reference/100019731

A WORLD-WIDE PHYLOGENETIC CLASSIFICATION OF POACEAE (GRAMINEAE): căo (草), capim, çayır, çimen, darbha, ghaas, ghas, gish, gramas, graminius, gräser,grasses, gyokh, he-ben-ke, hullu, kasa, kusa, nyasi, pastos, pillu, pullu, zlaki, etc.

http://www.tropicos.org/docs/meso/WWP%20A%20WORLDWIDE%20CLASSIFICATION%20OF%20POACEAE%20TROPICOS%20version%20JUN%2030%202017.htm

Soreng, R. J., P. M. Peterson, K. Romaschenko, G. Davidse, Teisher, L. G. Clark, P. Barberá, L. J. Gillespie & F. O. Zuloaga. 2017. A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications. J. Syst. Evol. 55(4): 259–290. https://onlinelibrary.wiley.com/doi/abs/10.1111/jse.12262

pdf copies of this and other papers available at

https://repository.si.edu/handle/10088/2471/discover?filtertype=author&filter_relational_operator=equals&filter=Soreng%2C+Robert+John

Collection records and grass photos at

https://collections.nmnh.si.edu/search/botany/