About the Jepson Interchange

Jepson Flora Project
JEPSON ONLINE INTERCHANGE

Interchange Staff

The need for authoritative, up-to-date information about our flora is growing as decisions about the future of California's natural areas are being made at an ever increasing rate. At the same time, the rapid pace of new discoveries about the California flora demonstrates the need for an equally fast paced means of conveying the most current state of floristic knowledge to professional botanists and the general public. In the interests of plant conservation and public education, we at the Jepson Herbarium are committed to continual, rapid scientific evaluation and dissemination of the large amount of new data being generated on California vascular plant diversity.

Toward that end, the Editors of the Jepson Flora Project have initiated development of this interchange for advances in California floristics, that will provide the latest information on identification, taxonomy, distribution, ecology, relationships, and diversity of California vascular plants. The necessary scientific data to understand the basis for new plant names and explicit corrections and updates to The Jepson Manual will also be made available. The professional resources of the Jepson Herbarium will assure high quality, with editorial review of all scientific content.

An extensive account of the Interchange, written by Tom Rosatti, was published in the April, 2003 issue of Fremontia [340K PDF]

What's available?

Tom Rosatti
Scientific Editor

Margriet Wetherwax
Managing Editor

Jeff Greenhouse
Project Research Specialist

Richard Moe
Webster

Entries for more than 12,000 names
Sample pages: Ceanothus cuneatus, Ericameria, Jamesia, Centaurea melitensis, Lessingia germanorum

Nomenclature and Taxonomy:
   Current status of name; Comments from botanists; Links to IPNI, Tropicos, Index Genericorum
Floristic treatments and keys:
   Treatments from The Jepson Manual; Keys from The Jepson Manual; A Flora of California; MEKA keys (multiple entry)
Horticulture database:
Maps:
   Distribution maps from The Jepson Manual (bioregions); County maps (based on specimens in the SMASCH database); Point distribution maps
Specimen records:
   Consortium of California Herbaria; Links to type specimens in UC/JEPS, CAS, GH, US, and NYBG
Photographs:
   Links to CalPhotos
Links from species pages to pertinent sites:
   California Native Plant Society; California Exotic Pest Plant Council; State of California Weed Information; USDA-Plants Database

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We gratefully acknowledge the William R. Hewlett Revocable Trust for generous support of the Online Interchange
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