Iliamna corei - Sherff
Peters Mountain Mallow
Taxonomic Status: Not accepted
Unique Identifier: ELEMENT_GLOBAL.2.155689
Element Code: PDMAL0K080
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mallow Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Malvales Malvaceae Iliamna
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Concept Reference
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Concept Reference: Weakley, A. S., J. C. Ludwig, and J. F. Townsend. 2012a. Flora of Virginia. Bland Crowder, ed. Foundation of the Flora of Virginia Project Inc., Richomnd. Fort Worth: Botanical Research Institute of Texas Press.
Concept Reference Code: B12WEA01HQUS
Name Used in Concept Reference: Iliamna corei
Taxonomic Comments: Considered a distinct species known only from a single site in the Virginia mountains. Bodo Slotta & Porter (2006) studied the genetic variation in North American Iliamna and analyses determined that I. corei is distinct. Additional research in the late 1980s also support that this taxon should be separated from I. remota on the basis of genetic analyses. Kartesz considers these differences minor, and includes these Virginia plants, along with Iliamna remota, in his circumscription of the nominate variety of Iliamna rivularis. Included in Iliamna rivularis var. rivularis by Kartesz, 1994 checklist and 1999 floristic synthesis; by others considered distinct from I. rivularis, but included in Iliamna remota.
Conservation Status
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NatureServe Status

Global Status: G1
Global Status Last Reviewed: 11Feb2014
Global Status Last Changed: 11Feb2014
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G1 - Critically Imperiled
Reasons: Only one occurrence is known in the Appalachian Mountains of Virginia. The population has fluctuated but current management has increased numbers. Threats through time include fire suppression, which inhibits germination and degrades the habitat, and overgrazing by deer and feral livestock, and collection by people.
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 Virginia (S1)

Other Statuses

U.S. Endangered Species Act (USESA): LE: Listed endangered (12May1986)
U.S. Fish & Wildlife Service Lead Region: R5 - Northeast

NatureServe Global Conservation Status Factors

Range Extent Comments: Only site known is Giles County in Ridge and Valley Province of Virginia.

Number of Occurrences: 1 - 5
Number of Occurrences Comments: Only one occurrence known.

Population Size Comments: Four clones currently. Species' population numbered higher in past. (Nine seedlings appeared after controlled burn, according to End. Sp. Tech. Bull XVII:12, Dec. 1992)

Overall Threat Impact: High - medium
Overall Threat Impact Comments: The extremely limited distribution of Iliamna corei amplifies its threats which include lack of disturbance and succession due to fire suppression, over-harvest (collected for cultivation), and grazing by deer and feral livestock (Southern Appalachian Species Viability Project 2002). Small size, proximity of Appalachian Trail, and competition with other coarse perennials are additional threats.

Intrinsic Vulnerability Comments: Occurrence very tolerant to on-site activities.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Only site known is Giles County in Ridge and Valley Province of Virginia.

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 VA

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
VA Giles (51071)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
05 Middle New (05050002)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A coarse perennial herb, up to 1.5 m tall, that produces large pink flowers in the summer.
Duration: PERENNIAL
Reproduction Comments: Rhizomatous. Seed scarification is required for germination (Bodo Slotta & Porter 2006).
Terrestrial Habitat(s): Forest - Mixed, Forest/Woodland
Habitat Comments: "Shallow soils on rocky ridge crest underlain by calcareous sandstone. (Weakley et al. 2012)"
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: 10Feb2014
NatureServe Conservation Status Factors Author: Ludwig, J.C. (1991), rev. Ludwig/Maybury (1996), rev. A. Treher (2014)

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
  • Bodo Slotta, T.A. and D.M. Porter. 2006. Genetic variation within and between Iliamna corei and I. remota (Malvaceae): implications for species delimitation. Botanical Journal of the Linnean Society 151(3):345-354.

  • Kartesz, J. T. 1999. Comments regarding taxa 1-187 [of list supplied by TNC]. Unpublished, Biota of North America Program, North Carolina Botanical Garden, Chapel Hill, N.C., Nov. 25, 1999.

  • 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.

  • Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.

  • Keener, C.S., and J.W. Hardin. 1962. Iliamna corei revisited. Castanea 27(4): 176-178.

  • NatureServe. Unpublished. Concept reference for taxa for which no reference which describes the circumscription has been recorded; to be used as a placeholder until such a citation is identified.

  • Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.

  • Thompson, P.J. 1988. Peters mountain mallow. Center for Plant Conservation Newsletter, Fall: 7.

  • U.S. Fish and Wildlife Service. 1986. Determination of Iliamna corei, (Peter's mountain mallow) to be an endangered species. Federal Register 51(91): 17343-17346.

  • Weakley, A. S., J. C. Ludwig, and J. F. Townsend. 2012a. Flora of Virginia. Bland Crowder, ed. Foundation of the Flora of Virginia Project Inc., Richomnd. Fort Worth: Botanical Research Institute of Texas Press.

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