Cistanthe pulchella - (Eastw.) Hershkovitz
Mariposa Pussy-paws
Synonym(s): Calyptridium pulchellum (Eastw.) Hoover
Taxonomic Status: Accepted
Related ITIS Name(s): Cistanthe pulchella (Eastw.) Hershkovitz (TSN 501563)
Unique Identifier: ELEMENT_GLOBAL.2.129416
Element Code: PDPOR09060
Informal Taxonomy: Plants, Vascular - Flowering Plants - Purslane Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Caryophyllales Portulacaceae Cistanthe
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Cistanthe pulchella
Taxonomic Comments: U.S. FWS uses the name Calyptridium puchellum.
Conservation Status
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NatureServe Status

Global Status: G1
Global Status Last Reviewed: 31Aug2016
Global Status Last Changed: 28Apr1989
Rounded Global Status: G1 - Critically Imperiled
Reasons: Known from six or seven occurrences in three counties in the Sierra Nevada foothills of central California. Populations are small: there are fewer than 3,000 individuals estimated in total. Four populations are threatened by development; at least three are in lots adjacent to or in the midst of subdivisions.
Nation: United States
National Status: N1

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States California (S1)

Other Statuses

U.S. Endangered Species Act (USESA): LT: Listed threatened (14Sep1998)
U.S. Fish & Wildlife Service Lead Region: R8 - California-Nevada

NatureServe Global Conservation Status Factors

Range Extent Comments: Mariposa, Madera, and Fresno counties, California; all are within a 20 mile stretch.

Number of Occurrences: 6 - 20
Number of Occurrences Comments: Seven occurrences in three central California counties (one may be extirpated).

Population Size Comments: Approximately 1680-1690 plants; the bulk is found in two occurrences; 874 (may be divided into 2 subpopulations) and 701 plants.

Overall Threat Impact: High
Overall Threat Impact Comments: Most small populations occur on private land that is zoned for residential or commercial development. One large population occurs on private land with an unknown level of protection. One population recieves protection and management. At least 2 populations are expected to increase over 50% by 2010 (USFWS 1998).
Small population size does potentially increase the risk of extinction of the 5 small populations (estimates range from <100-300 individuals). (SCOPE MODERATE, SEVERITY HIGH, IMMEDIACY LOW, OVERALL D).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Mariposa, Madera, and Fresno counties, California; all are within a 20 mile stretch.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CA

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
CA Fresno (06019), Madera (06039), Mariposa (06043)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
18 Middle San Joaquin-Lower (18040001)+, Upper San Joaquin (18040006)+, Upper Chowchilla-Upper Fresno (18040007)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: An annual herb that forms a basal rosette of leaves and slender, spreading, leafy stems, 1-2 dm long. Loose inflorescences (generally 2+ per rosette), made up of head-like clusters of rose-colored flowers bloom in the spring and summer.
Terrestrial Habitat(s): Forest/Woodland, Woodland - Hardwood
Habitat Comments: Sandy soils of decomposed granite, primarily in foothill oak woodlands. 400-1100 m elevation.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 20Jul1983
NatureServe Conservation Status Factors Author: Ormes, M., rev. Maybury (1997)

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.

  • Kartesz, J. 1990. Synonymized checklist of the vascular flora [of North America north of Mexico, and Hawaii]. Unpublished second review draft.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • U.S. Fish and Wildlife Service. 1994. Proposed endangered or threatened status for 10 plants from the foothills of the Sierra Nevada Mountains in California. Federal Register 59(191): 50540-50550.

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