GrassBase

{{Short description|Database of grasses}}

{{Infobox website

| name = GrassBase

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| url = {{URL|www.kew.org/data/grasses-db.html}}

| commercial = no

| type = Flora

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| owner = Royal Botanic Gardens, Kew

| author = {{Plainlist|

• W.D. Clayton
• M.S. Vorontsova
• K.T. Harman
• H. Williamson

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GrassBase (or GrassBase – The Online World Grass Flora) is a web-based database of grasses, continually maintained and updated by the Royal Botanic Gardens, Kew.{{Cite journal| issn = 0075-5974| volume = 62| issue = 3| pages = 375–379| last1 = Harman| first1 = Kehan T.| last2 = Clayton| first2 = W. Derek| title = Recent Developments in Kew's Grass Databases (Grassbase)| journal = Kew Bulletin| date = 1 January 2007| jstor = 20443365}}{{cite journal|doi=10.3897/phytokeys.48.7159|pmid=25941449|pmc=4408733|title=Grassroots e-floras in the Poaceae: Growing GrassBase and GrassWorld|journal=PhytoKeys|issue=48|pages=73–84|year=2015|last1=Vorontsova|first1=Maria A.|last2=Clayton|first2=Derek|last3=Simon|first3=Bryan K. |doi-access=free |bibcode=2015PhytK..48...73V }}

As of 2015, GrassBase was one of the largest (along with GrassWorld) structured datasets for plants. In the January 2016 update, it had morphological descriptions for 11,369 accepted species of grasses and listings for 64,213 botanical names.{{cite web | url=http://www.kew.org/data/grassbase/news.htm | title=RBG Kew: GrassBase – the Online World Grass Flora |access-date=2018-11-21}}

Authorship of the database is credited to W. D. Clayton, M. S. Vorontsova, K. T. Harman and H. Williamson.{{cite web|title=GrassBase| url=http://www.kew.org/data/grasses-db.html |publisher=Royal Botanic Gardens, Kew |access-date=18 April 2015}}