1. A worldwide phylogenetic classification of the Poaceae (Gramineae);Soreng;J Syst Evol,2015
2. Global diversity of drought tolerance and grassland climate-change resilience;Craine;Nat Clim Change,2013
3. The age of the grasses and clusters of origins of C4 photosynthesis;Vicentini;Glob Chang Biol,2008
4. Watson L Dallwitz MJ The grass genera of the world: descriptions, illustrations, identification, and information retrieval; including synonyms, morphology, anatomy, physiology, phytochemistry, cytology, classification, pathogens, world and local distribution, and references 1992 http://delta-intkey.com/grass