Chapter 3 - Natural Resources - Marine Corps Base Camp Pendleton

Integrated Natural Resources Management Plan [March 2012 - Update]
• MSCP, County of San Diego Subarea Plan.
• SDG&E.
• Western Riverside MSHCP.
The CNPS list identifies San Diego button-celery as rare, threatened, or endangered in
California and elsewhere (List 1B) and seriously endangered in California (Threat Code 1).
MCBCP Status
The Base is in consultation with USFWS regarding monitoring and management of upland
habitats and species basewide including vernal pools/IEWs occupied by the San Diego
button-celery. The Base has instituted measures for avoidance and minimization of impacts
to vernal pools, IEWs and all vernal pools species including the San Diego button-celery.
These measures are published as programmatic instructions for users and residents of the
Base via Camp Pendleton’s Base Order P3500.1M (Range and Training Regulations).
Management details, survey information, etc., for San Diego button-celery are located in
Appendix F, Section F.15.
FIGURE 3-37.
SAN DIEGO BUTTON-CELERY
LOCATIONS
DISTRIBUTION
Global
San Diego button-celery ranges from
Riverside County (Santa Rosa
Plateau), California, south to
northern Baja California, Mexico
(Constance 1977). In 1979, San
Diego button-celery was known
from 65 pool groups, and by 1986,
this species remained in 61 pool
groups (USFWS 1993c).
Regional
Currently, San Diego button-celery
occurs in northern San Diego
County on Camp Pendleton and in
San Marcos, Carlsbad, and Ramona.
As part of the City of San Diego’s
MSCP, a total of 2,516 vernal pool
basins at 62 sites were mapped
during the 2002-2003 rainy season
(City of San Diego 2004b). Rare,
threatened, and endangered plants
were found at 1,142 vernal pools.
San Diego button-celery was
observed at 804 basins located in the San Diego City region which include: Del Mar, Mira
Mesa, Novel Drive, Kearny Mesa, Otay Lakes, and Otay Mesa (City of San Diego 2004b).
Chapter 3 – Natural Resources 3-73