Eremogone cliftonii - Rabeler & R.L. Hartman
Taxonomic Status: Provisionally accepted
Unique Identifier: ELEMENT_GLOBAL.2.817466
Element Code: PDCAR17010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Pink Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Caryophyllales Caryophyllaceae Eremogone
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Concept Reference
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Concept Reference: Rabeler, R. K. and R. L. Hartman. 2007. Eremogone cliftonii (Caryophyllaceae), a new species from California. Madroņo 54(4): 329-333.
Concept Reference Code: A07RAB01HQUS
Name Used in Concept Reference: Eremogone cliftonii
Taxonomic Comments: Newly described in 2007, this species can be distinguished from regionally co-occurring congeners by its inflorescence architecture, large petals, length of capsules, and presence (or not) of pubescence or a bloom on vegetative structures (e.g. glabrous stems) (Rabeler and Hartman 2007, L. Janeway pers. comm. to R. Bittman 2008). Kartesz (1999) places all Eremogone species in Arenaria. However, Rabeler and Hartman (2007) note that "although often treated as a subgenus of Arenaria, molecular data support Eremogone as monophyletic and distinct from Arenaria (Nepokroeff et al. 2001);" Eremogone is recognized as a distinct genus in the Flora of North America (2005). The FNA treatment is accepted in draft BONAP (Kartesz) data (June 2010) in which this species is also recognized.
Conservation Status
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NatureServe Status

Global Status: G3?
Global Status Last Reviewed: 22Jul2015
Global Status Last Changed: 22Jul2015
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G3 - Vulnerable
Reasons: A recently (2007) described perennial herb endemic to a relatively small area in Butte and Plumas Counties, California. Approximately 61 occurrences are currently known. May be relatively abundant where it occurs. Threats include the alteration of fire regime, logging, road construction and maintenance, and damage to plants caused by off-highway vehicles.
Nation: United States
National Status: N3?

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 (S3?)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Endemic to Butte and Plumas Counties in California and within in the Feather River drainage of the Northern High Sierra Nevada subregion of the California Floristic Province (Rabeler and Hartman 2007). The largest concentration is centered on the Flea Mountain area of the Feather River Ranger District of the Plumas National Forest and adjacent areas of the Lassen National Forest (L. Janeway, pers. comm. to R. Bittman 2008).

Area of Occupancy: 26-125 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: 21 - 80
Number of Occurrences Comments: Sixty-one extant occurrences known in 2017 but three of these are historical. In 2010, there were  27 known occurrences; 17 recent, 10 historical (as of 2010). L. Janeway (pers. comm. to R. Bittman 2008) stated that even though this species was recently described, the known distribution is expected to be "at least close to its full extent."

Population Size Comments: May be relatively abundant where it occurs.

Number of Occurrences with Good Viability/Integrity: Some (13-40)

Overall Threat Impact: Medium
Overall Threat Impact Comments: Threats include the alteration of fire regime, logging, road construction and maintenance, quarry, erosion, and damage to plants caused by off-highway vehicles.

Short-term Trend: Unknown

Long-term Trend: Unknown

Other NatureServe Conservation Status Information

Distribution
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Global Range: Endemic to Butte and Plumas Counties in California and within in the Feather River drainage of the Northern High Sierra Nevada subregion of the California Floristic Province (Rabeler and Hartman 2007). The largest concentration is centered on the Flea Mountain area of the Feather River Ranger District of the Plumas National Forest and adjacent areas of the Lassen National Forest (L. Janeway, pers. comm. to R. Bittman 2008).

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 Butte (06007), Plumas (06063)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
18 North Fork Feather (18020121)+, Middle Fork Feather (18020123)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A perennial herb blooming from April to September.
Terrestrial Habitat(s): Forest - Conifer, Forest Edge, Forest/Woodland, Shrubland/chaparral
Habitat Comments: Occurs within open areas (including slopes and roadcuts) in mixed conifer forest and montane chaparral habitats. Its open forest habitat contains a mixture of ponderosa pine (Pinus ponderosa), sugar pine (Pinus lambertiana), white fir (Abies concolor), California black oak (Quercus kelloggii), and canyon live oak (Quercus chrysolepis). Patches of chaparral where it occurs tend to be dominated by whiteleaf manzanita (Arctostaphylos viscida) and True's manzanita (Arctostaphylos mewukka ssp. truei). All but two known occurrences are found on decomposing granite with little organic matter; one additional occurrence is found on basalt soils, and a second additional occurrence is found on serpentine soils. 455 - 1770 m.
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: 21Jun2017
NatureServe Conservation Status Factors Author: Gravuer, K., rev. G. Davis (June 2012), rev. Treher (2017)

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
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  • Rabeler, R. K. and R. L. Hartman. 2007. Eremogone cliftonii (Caryophyllaceae), a new species from California. Madroņo 54(4): 329-333.

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