The 6th edition CNPS Inventory

While some of the data present in the 6th edition Inventory is out-of-date, there is still a lot of information that is extremely useful and valuable for those involved in rare plant conservation. Information present in the introductory material covers a wide range of topics that are important in the conservation of rare plant species.

Introductory Material

Below are select introductory articles from the 6th edition CNPS Inventory:

• Introduction to the 6th edition CNPS Inventory
• History of the CNPS Rare Plant Program and Inventory
• Uses of the CNPS Inventory - How use of the CNPS Inventory can promote the preservation of rare plants and their habitats.
• Numerical Analysis of This and Previous Editions - The size of California's rare and endangered flora continues to grow as this analysis of the past six editions of the Inventory demonstrates.
• Rarity in Vascular Plants by Peggy Fiedler
• Rare Bryophytes in California by James Shevock
• Bibliography for Biology and Conservation of Rare Plants by Peggy Fiedler and James Smith, Jr.
• Conserving Plants with Laws and Programs Under the Department of Fish and Game by Sandra Morey and Diane Ikeda
• The California Natural Diversity Database: California’s Natural Heritage Program by Roxanne Bittman
• The Federal Endangered Species Act and Rare Plant Protection in California by Jim Bartel, Jan Knight, and Diane Elam
• Rare Plant Management on the National Forests and Grasslands in California by Bradley Powell
• Rare Plant Conservation on Bureau of Land Management Lands by John Willoughby

Updates to the 6th edition CNPS Inventory

Silene serpentinicola was added to the CNPS Inventory (List 1B.2) in 2005. Photo by S. Carothers.

For those who still have and use the 6th edition CNPS Inventory, you can see major changes that have been made to the Inventory since 2001 by viewing this PDF document (29kb PDF). This document lists the species that have been added to the Inventory, have had their listing status changed in the Inventory, have been deleted from the Inventory, and have had their name changed in the Inventory since the publication of the 6th edition CNPS Inventory in 2001. For the most up-to-date information on rare plant species in California, please visit the CNPS Online Inventory.

Questions or Comments?

Please contact the CNPS Rare Plant Botanist Nicholas Jensen at 916/324-3816 or via email at njensencnps.org. To purchase a copy of the 6th edition Inventory, visit our online bookstore or contact CNPS at 916/ 447-2677.