Ericameria gilmanii - (Blake) Nesom
Gilman Goldenweed
Taxonomic Status: Accepted
Related ITIS Name(s): Ericameria gilmanii (S.F. Blake) G.L. Nesom (TSN 502364)
Unique Identifier: ELEMENT_GLOBAL.2.152848
Element Code: PDAST3L0P0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Aster Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Asterales Asteraceae Ericameria
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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: Ericameria gilmanii
Conservation Status
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NatureServe Status

Global Status: G2
Global Status Last Reviewed: 12May2015
Global Status Last Changed: 03Nov2016
Rounded Global Status: G2 - Imperiled
Reasons: Endemic to California, Ericameria gilmanii is known from Inyo and Kern Counties. There are six known EO's, and only 1 has been seen in the past 20 years. All occur on public lands (mostly NPS, 1 on USFS, 1 on BLM) and may receive some protection from this. Threats are mostly unknown; the single site on USFS lands seems unthreatened at this time. The population size of the 1 well-botanized EO is only 11 plants.
Nation: United States
National Status: N2

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 (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Endemic to California, occurs in Inyo and Kern Counties (Skinner, 1997). Using alpha hull formula, the Range Extent is 1114 sq km.

Area of Occupancy: 3-125 4-km2 grid cells
Area of Occupancy Comments: 6 2 x 2 cells are touched by the existing EO's.

Number of Occurrences: 1 - 5
Number of Occurrences Comments: There are 6 known EO's, but 5 are historical. The single recently seen site is on USFS lands.

Population Size Comments: The 1 site that has recent information has 11 plants known. The others are all unknown, so I chose "unknown."

Number of Occurrences with Good Viability/Integrity: Very few (1-3)
Viability/Integrity Comments: The USFS site (EO 1) is ranked Good.

Overall Threat Impact Comments: There are few, if any threats. The plant occurs on cliff, ridges, walls, and among boulders. It's microhabitat is fairly secure. There were some mining activities in the single USFS population at one time, but those have ceased. A road is nearby but it is little used. I would guess there are no current threats, but again, we don't know anything about the majority of the populations. "Unknown" may be the correct answer.

Short-term Trend: Unknown
Short-term Trend Comments: Although I have to choose Unknown since we just don't know much about this plant, I suspect that the answer is really "Stable."

Long-term Trend: Unknown

Environmental Specificity: Narrow. Specialist or community with key requirements common.
Environmental Specificity Comments: Mostly on limestone, but a few populations known from granite.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Endemic to California, occurs in Inyo and Kern Counties (Skinner, 1997). Using alpha hull formula, the Range Extent is 1114 sq km.

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 Inyo (06027), Kern (06029), Tulare (06107)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
18 South Fork Kern (18030002)+, Eureka-Saline Valleys (18090201)+, Death Valley-Lower Amargosa (18090203)+, Panamint Valley (18090204)+, Indian Wells-Searles Valleys (18090205)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Terrestrial Habitat(s): Forest - Conifer, Forest/Woodland
Habitat Comments: Subalpine coniferous forest, upper montane coniferous forest, carbonate or granitic soils, rocky (Skinner, 1997).
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: 03Feb2010
NatureServe Conservation Status Factors Author: R. Bittman

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
  • 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.

  • Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.

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