Diervilla rivularis - Gattinger
Mountain Bush-honeysuckle
Other Common Names: mountain bush honeysuckle
Synonym(s): Diervilla sessilifolia var. rivularis (Gattinger) Ahles
Taxonomic Status: Accepted
Related ITIS Name(s): Diervilla rivularis Gattinger (TSN 35311)
Unique Identifier: ELEMENT_GLOBAL.2.145605
Element Code: PDCPR01020
Informal Taxonomy: Plants, Vascular - Flowering Plants - Honeysuckle Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Dipsacales Caprifoliaceae Diervilla
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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: Diervilla rivularis
Taxonomic Comments: Has sometimes been treated as a variety of Diervilla sessilifolia.
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 08Sep2000
Global Status Last Changed: 08Sep2000
Rounded Global Status: G3 - Vulnerable
Reasons: Localized Southern Appalachian endemic. Occurs in a few counties in northwestern Georgia (where it is locally abundant) and in only a few counties in northeastern Alabama. Rare in Tennessee; historical in North Carolina.
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 Alabama (S2), Georgia (S3), North Carolina (S1), Tennessee (S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Ranges from western North Carolina and eastern Tennessee south to northwestern Georgia and northeastern Alabama (Weakley 1996). Although Jones and Coile (1988) show only one county of occurrence in Georgia, actually occurs in 3 or 4 counties (pers. comm. Tom Patrick 4/98).

Number of Occurrences: 21 - 80
Number of Occurrences Comments: North Carolina: historical occurrence at Cane River in Yancy County; Tennessee: 10 populations (current as of 10/97).

Population Size Comments: Where it occurs in Georgia, locally abundant along banks of large streams (pers. comm. Tom Patrick 4/98).

Overall Threat Impact Comments: Somewhat threatened by land-use conversion, habitat fragmentation, and forest management practices (Southern Appalachian Species Viability Project 2002).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Ranges from western North Carolina and eastern Tennessee south to northwestern Georgia and northeastern Alabama (Weakley 1996). Although Jones and Coile (1988) show only one county of occurrence in Georgia, actually occurs in 3 or 4 counties (pers. comm. Tom Patrick 4/98).

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 AL, GA, NC, TN

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
NC Mitchell (37121), Yancey (37199)
TN Hamilton (47065), Marion (47115), Polk (47139), Roane (47145)*, Unicoi (47171), Washington (47179)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Conasauga (03150101)+
06 Nolichucky (06010108)+, Watts Bar Lake (06010201)+*, Lower Clinch (06010207)+*, Middle Tennessee-Chickamauga (06020001)+, Ocoee (06020003)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Habitat Comments: Rock outcrops and ridges at moderate to high elevations (Weakley 1996).
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: 04Jul2001
NatureServe Conservation Status Factors Author: N. Benton (TNC-HO), rev. L. Morse (1998)

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
  • Clark, R. C. 1971. The woody plants of Alabama. Annals of the Missouri Botanical Garden 58:99-242.

  • Jones, S.B., Jr., and N.C. Coile. 1988. The distribution of the vascular flora of Georgia. Dept. Botany, Univ. Georgia, Athens. 230 pp.

  • 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.

  • 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.

  • Weakley, A.S. 1996. Flora of the Carolinas and Virginia: working draft of 23 May 1996. The Nature Conservancy, Southeast Regional Office, Southern Conservation Science Dept., Chapel Hill, North Carolina. Unpaginated.

  • Weakley, Alan S.  2015.  Flora of the Southern and Mid-Atlantic States.  Unpublished mss. available as .pdf from the Herbarium, University of North Carolina, Chapel Hill.  1320 pp.

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