San Diego Management & Monitoring Program

Rare Plants
Rarest Plants Project: San Diego Thornmint, Short-leaved Dudleya, and Orcutt's Spineflower

January 1, 2014 - March 1, 2016 completed

Project description

The goal of this project was to significantly improve the conservation status of three of the rarest and most imperiled plants in San Diego County: Orcutt’s spineflower, San Diego thornmint, and short-leaved dudleya. Proposed work included stabilizing and increasing the size of existing populations, establishing new populations of Orcutt’s spineflower, and providing stewardship. A TransNet EMP grant (#5001767) funded the development and implementation of a conservation strategy that included seed bulking and the establishment of additional populations of Orcutt’s spineflower to help minimize the risk of extinction. SANDAG EMP funds and a Section 6 grant from the California Department of Fish and Wildlife funded GIS mapping of suitable habitat soils and population surveys at remaining natural historic documented occurrences and in newly mapped suitable habitat on conserved lands off the Point Loma Navy Base.

Project groups


Project Group: Orcutt's Spineflower Enhancement

Project focus

Project type: Habitat restoration

Target species: Orcutt's spineflower

Main implementing entity: The Chaparral Lands Conservancy

Point of contact: Dave Hogan

Project Page manager: Sarah McCutcheon

SDMMP lead: Sarah McCutcheon

Study lead: Dave Hogan

Project Funding

San Diego Association of Governments

Strategic elements

Budget year: pre FY15-1; Work plan objectives number: 5

Files and Documents

2016 Rare Plants Project 10th Quarterly Report (FINAL)

Prepared by:The Chaparral Lands Conservancy

2015 Results of Orcutts Spineflower Mapping and Population Surveys

Prepared by:The Chaparral Lands Conservancy