Peter Francis Stevens is a British

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

born in 1944. He is a researcher at the

Missouri Botanical Garden The Missouri Botanical Garden is a botanical garden located at 4344 Shaw Boulevard in St. Louis, Missouri. It is also known informally as Shaw's Garden for founder and philanthropist Henry Shaw. Its herbarium, with more than 6.6 million ...

and professor of Biology of the

University of Missouri–St. Louis The University of Missouri–St. Louis (UMSL) is a public research university in St. Louis, Missouri. Established in 1963, it is one of four universities in the University of Missouri System and its newest. Located on the former grounds of Belle ...

. He is a member of the Angiosperm Phylogeny Group which created the APG, APG II, APG III, and

APG IV The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was publish ...

systems. He maintains a web site,

APweb The Angiosperm Phylogeny Website (or APweb) is a website dedicated to research on angiosperm phylogeny and taxonomy. The site is hosted by the Missouri Botanical Garden website and maintained by researchers, Peter F. Stevens and Hilary M. Davis ...

, 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. The standard author abbreviation P.F.Stevens is used to indicate P. F. Stevens as the author when citing a

botanical name A botanical name is a formal scientific name conforming to the ''International Code of Nomenclature for algae, fungi, and plants'' (ICN) and, if it concerns a plant cultigen, the additional cultivar or Group epithets must conform to the ''Interna ...

. He has named dozens of species, mostly in the families Clusiaceae and Ericaceae, and he also described the genus ''

Romnalda ''Romnalda'' is a genus of monocotyledonous plants in the family Asparagaceae, subfamily Lomandroideae. (They have also been placed in the Xanthorrhoeaceae.) four formally named species are known and accepted by botanical science. The name '' ...

'' (

Asparagaceae Asparagaceae, known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, '' Asparagus officinalis''. Those who live in the temperate ...

References

External links

Peter F. Stevens (P.F.Stevens)
in

IPNI The International Plant Names Index (IPNI) describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It i ...

list of species described by Peter F. Stevens

Personal page of Peter F. Stevens
on Angiosperm Phylogeny Website {{DEFAULTSORT:Stevens, Peter F. 1944 births Living people 21st-century American botanists British taxonomists Botanists with author abbreviations University of Missouri–St. Louis people Missouri Botanical Garden people Angiosperm Phylogeny Group