''The Jepson Manual'' is a

flora Flora (: floras or florae) is all the plant life present in a particular region or time, generally the naturally occurring (indigenous (ecology), indigenous) native plant, native plants. The corresponding term for animals is ''fauna'', and for f ...

of the vascular plants that are either

native Native may refer to: People * Jus soli, citizenship by right of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Native Americans (disambiguation) In arts and enterta ...

to or naturalized in

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

. Botanists often refer to the book simply as ''Jepson''. It is produced by the

University and Jepson Herbaria The University and Jepson Herbaria are two herbaria that share a joint facility at the University of California, Berkeley holding over 2,200,000 botanical specimens, the largest such collection on the US West Coast. These botanical natural hi ...

, of the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

. Its second edition is the basis of the online Jepson eFlora.

History

*1923:

Willis Linn Jepson Willis Linn Jepson (August 19, 1867 – November 7, 1946) was an early California botanist, conservationist, and writer. Career Born at Little Oak Ranch near Vacaville, California, Jepson became interested in botany as a boy and explo ...

– ''Manual of the Flowering Plants of California'' *1958, 1968:

Philip Alexander Munz Philip Alexander Munz (1892–1974) was an American botanist, plant taxonomist and educator who worked at the Rancho Santa Ana Botanic Garden and was a professor of botany at Pomona College, serving as dean there for three years. In 1935 Munz pub ...

– ''A California Flora and Supplement'' *1993:

James Craig Hickman James is a common English language surname and given name: * James (name), the typically masculine first name James * James (surname), various people with the last name James James or James City may also refer to: People * King James (disambigua ...

(editor) – ''The Jepson Manual, Higher Plants of California'' (TJM93) *2012:

Bruce Gregg Baldwin The English language name Bruce arrived in Scotland with the Normans, from the place name Brix, Manche in Normandy, France, meaning "the willowlands". Initially promulgated via the descendants of king Robert the Bruce (1274−1329), it has been a ...

– ''The Jepson Manual: Vascular Plants of California, 2nd edition'' (TJM2) *2010−ongoing: The Jepson Online Interchange for California Floristics − Jepson eFlora (TJM2) – ''online''.

Preceding works

''The Jepson Manual'' also follows Philip A. Munz and

David D. Keck David Daniels Keck (October 24, 1903 – March 10, 1995) was an American botanist who was notable for his work on angiosperm taxonomy and genetics. Keck was born in Omaha, Nebraska. He completed undergraduate studies at Pomona College in 1925 ...

in their ''A California Flora and Supplement'' of 1958 and 1968. Like other florae, ''The Jepson Manual'' builds upon these prior publications. Except for the number of line drawings, it has more in common with Munz's 1968 book than with Jepson's 1923 book.

Editions

The first edition of ''The Jepson Manual'' was published in 1993 as ''The Jepson Manual: Higher Plants of California'' (TJM93), and was edited by James C. Hickman. The second edition was published in 2012, as ''The Jepson Manual: Vascular Plants of California, Thoroughly Revised and Expanded'' (TJM2), and was edited by Bruce Gregg Baldwin,

Douglas H. Goldman Douglas may refer to: People * Douglas (given name) * Douglas (surname) Animals *Douglas (parrot), macaw that starred as the parrot ''Rosalinda'' in Pippi Longstocking * Douglas the camel, a camel in the Confederate Army in the American Civil ...

David John Keil David (; , "beloved one") (traditional spelling), , ''Dāwūd''; grc-koi, Δαυΐδ, Dauíd; la, Davidus, David; gez , ዳዊት, ''Dawit''; xcl, Դաւիթ, ''Dawitʿ''; cu, Давíдъ, ''Davidŭ''; possibly meaning "beloved one". w ...

, Robert Patterson, and

Thomas James Rosatti Thomas may refer to: People * List of people with given name Thomas * Thomas (name) * Thomas (surname) * Saint Thomas (disambiguation) * Thomas Aquinas (1225–1274) Italian Dominican friar, philosopher, and Doctor of the Church * Thomas the Ap ...

. The second edition features 7,601 California plant species, subspecies and varieties. While the book is named in honor of Jepson, ''The Jepson Manual'' is not simply a new edition of Jepson's 1923 book, but a new work which Baldwin calls "the most time-consuming undertaking of my career.""California native-plant classic gets a 21st-century makeover"

Jepson eFlora

The Jepson eFlora is a taxonomic database that builds on and expands the second edition of ''The Jepson Manual''. It describes itself as "the foremost authority on the native and naturalized vascular plants of California".

References

External links