Peter F. Stevens

Peter Francis Stevens (born 1944) is a British botanist. He is a researcher at the Missouri Botanical Garden and a professor of biology of the University of Missouri–St. Louis. He is a member of the Angiosperm Phylogeny Group which created the APG, APG II, APG III, and APG IV systems.

Peter Francis Stevens
Born	1944 (age 80–81) United Kingdom
Nationality	British
Education	Oxford University
Known for	APG
Spouse	Elizabeth Anne Kellogg
Scientific career
Fields	Botany
Institutions	Missouri Botanical Garden University of Missouri–St. Louis
Doctoral students	Lúcia G. Lohmann
Author abbrev. (botany)	P.F.Stevens

He maintains a web site, APweb, hosted by the Missouri Botanical Garden, which has been regularly updated since 2001, and is a useful source for the latest research in angiosperm phylogeny which follows the APG approach.^[1]

The standard author abbreviation P.F.Stevens is used to indicate P. F. Stevens as the author when citing a botanical name.^[2] He has named dozens of species, mostly in the families Clusiaceae and Ericaceae,^[3] and he also described the genus Romnalda (Asparagaceae).^[4]