CPC National Collection Plant Profile

Eryngium constancei

Photographer:
Holly Forbes

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CPC National Collection Plant Profile

Eryngium constancei


Family: 
Apiaceae  
Common Names: 
Constance's coyote-thistle, Loch Lomond button-celery, Loch Lomond coyote-thistle
Author: 
Sheikh
Growth Habit: 
Forb/herb
CPC Number: 
1817

Distribution
Protection
Conservation
References


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Eryngium constanceienlarge
Photographer: Holly Forbes
hforbes[at]berkeley.edu

Eryngium constanceienlarge
Photographer: Holly Forbes
hforbes[at]berkeley.edu


Eryngium constancei is Not Sponsored
Primary custodian for this plant in the CPC National Collection of Endangered Plants is: 
Holly Forbes contributed to this Plant Profile.

 
Eryngium constancei


Loch Lomond button-celery is a low-growing annual herb with tiny white to light purple flowers found only in northern California. This species grows in the bed of a small vernal lake, surrounded by a ponderosa pine and black oak forest, in the Loch Lomond Ecological Reserve in Lake County. Another population of Loch Lomond button-celery was discovered in 1996 in two spring-fed, shallow pools in Sonoma County. A berm has been built to prevent runoff into the pools at this location from increased sedimentation due to logging in the area. A third population was discovered in Lake County in 1997. This population was threatened by soil erosion into its pool habitat due to vegetation removal along the edges; it is also at risk from planned reservoir construction (CDFG 2002).

Distribution & Occurrence

State Range
  California
State Range of  Eryngium constancei
Habitat
  Vernal lakes and pools.

Distribution
  Lake and Sonoma Counties, California

Number Left
  It is known only from three populations in two vernal lakes in Lake County and two pools in Sonoma County. As with any annual species, the number of plants in each population varies from year to year. During good years there may be thousands of plants in each population (CDFG 2002).

Protection

Global Rank:  
G1
 
10/28/2005
Guide to Global Ranks
Federal Status:  
LE
 
12/23/1986
Guide to Federal Status
Recovery Plan:  
No
 

State/Area Protection
  State/Area Rank Status Date  
  California S1.2 1 1/1/1987  

Conservation, Ecology & Research

Ecological Relationships
  This species grows in the bed of small vernal lakes. One population is surrounded by a ponderosa pine and black oak forest; another is bordered by Oregon oak, valley oak, and Douglas fir.

Threats
  • Development
• Off-road vehicles
• Reservoir construction
• Foot traffic
• Trash dumping
• Erosion caused by logging
(CDFG 2002; USFWS 1993)

Current Research Summary
  None at this time.

Current Management Summary
  A berm has been built to prevent runoff into the pools from increased sedimentation due to logging in the area at the Sonoma County location. The Lake County population was threatened by soil erosion into its pool habitat due to vegetation removal along the edges; it is also at risk from planned reservoir construction.

Research Management Needs
  survey for additional populations
monitoring
protection from runoff

Ex Situ Needs
  Additional seed collection for long-term storage is desirable.

References

Electronic Sources

CDFG. (2002). California's Plants and Animals, Threatened and Endangered Plants. List and Species Accounts. California Department of Fish and Game, Habitat Conservation Planning Branch. http://www.dfg.ca.gov/hcpb/species/t_e_spp/teplant/teplanta.shtml. Accessed: 2002.

USFWS. (2002). Some Threatened & Endangered Plants Found Mainly in California. Sacramento Fish and Wildlife Office, U.S. Fish and Wildlife Service. http://sacramento.fws.gov/es/plant_spp_accts/acctplant.htm. Accessed: 2002.

USGS. (2002). Status of Listed Species and Recovery Plan Development. [Web site] USGS: Norther Prairie Wildlife Research Center. http://www.npwrc.usgs.gov/resource/distr/others/recoprog/plant.htm. Accessed: 2002.

Journal Articles

Skinner, M.W. 1996. California's Vernal Pools: A Treasure Worth Saving. Plant Talk. 18-21.

USFWS. 1985. Emergency determination of endangered status for loch lomond coyote-thistle (Eryngium constancei). Federal Register. 50, 148: 31187-31190.

USFWS. 1985. Emergency Protectionfor loch lomond coyote-thistle. Endangered Species Technical Bulletin. 10, 9: 3.

USFWS. 1986. Determination of endangered Status for Eryngium constancei (Loch Lomond Coyote Thistle). Federal Register. 51, 246: 45904-45907.

USFWS. 1986. Three Plant Taxa Proposed for Protection. Endangered Species Technical Bulletin. 11, 4: 3-4.

USFWS. 1987. Final listing actions for two species. Endangered Species Technical Bulletin. 12, 1: 16.

USFWS. 1993. Proposed reclassification of the plant Eryngium constancei (loch lomond coyote-thistle) from endangered to threatened status. Federal Register. 58, 227: 62629-62633.

Reports

2000. Section 2-1: Multi-Species Conservation Strategy and Baseline Conditions. Sacramento, CA: CALFED Bay-Delta Program.

Sanguamphai. 1989. 1988 Annual Report on the Status of California's State Listed Threatened and Endangered Plants and Animals. State of California, Department of Fish and Game.


  This profile was updated on 3/4/2010
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