Desmognathus abditus - Anderson and Tilley, 2003
Cumberland Dusky Salamander
Taxonomic Status: Accepted
Related ITIS Name(s): Desmognathus abditus Anderson and Tilley, 2003 (TSN 668239)
Unique Identifier: ELEMENT_GLOBAL.2.681169
Element Code: AAAAD03190
Informal Taxonomy: Animals, Vertebrates - Amphibians - Salamanders
 
Kingdom Phylum Class Order Family Genus
Animalia Craniata Amphibia Caudata Plethodontidae Desmognathus
Genus Size: C - Small genus (6-20 species)
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Concept Reference
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Concept Reference: Anderson, J. A., and S. G. Tilley. 2003. Systematics of the Desmognathus ochrophaeus complex in the Cumberland Plateau of Tennessee. Herpetological Monographs 17:75-110.
Concept Reference Code: A03AND01NAUS
Name Used in Concept Reference: Desmognathus abditus
Taxonomic Comments: A member of the Desmognathus ochrophaeus complex (Anderson and Tilley 2003). Exhibits very limited gene exchange with D. ochrophaeus and D. ocoee (Anderson and Tilley 2003).
Conservation Status
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NatureServe Status

Global Status: G2G3
Global Status Last Reviewed: 30Nov2005
Global Status Last Changed: 23Sep2003
Rounded Global Status: G2 - Imperiled
Reasons: Small range on the Cumberland Plateau in Tennessee.
Nation: United States
National Status: N2N3 (23Sep2003)

U.S. & Canada State/Province Status
United States Tennessee (S2S3)

Other Statuses

IUCN Red List Category: NT - Near threatened

NatureServe Global Conservation Status Factors

Range Extent Comments: Cumberland Plateau, Tennessee; northernmost locations lie just south of the Cumberland Mountains section of the Plateau in the vicinity of Wartburg, Morgan County, Tennessee; the southern- and westernmost known location is on the outskirts of Tracy City, Grundy County; appears to be parapatric or to have hybridized with D. ocoee in a narrow zone on Walden Ridge (Anderson and Tilley 2003).

Number of Occurrences:  
Number of Occurrences Comments: Anderson and Tilley (2003) maped about a dozen locations where this species occurrs.

Population Size Comments: Apparently not abundant. Anderson and Tilley (2003) obtained specimens with difficulty.

Overall Threat Impact Comments: The major threat in this area is from habitat loss and degradation due to the building of second and retirement homes.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Cumberland Plateau, Tennessee; northernmost locations lie just south of the Cumberland Mountains section of the Plateau in the vicinity of Wartburg, Morgan County, Tennessee; the southern- and westernmost known location is on the outskirts of Tracy City, Grundy County; appears to be parapatric or to have hybridized with D. ocoee in a narrow zone on Walden Ridge (Anderson and Tilley 2003).

U.S. States and Canadian Provinces
Color legend for Distribution Map
Endemism: endemic to a single state or province

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

Range Map
Note: Range depicted for New World only. The scale of the maps may cause narrow coastal ranges or ranges on small islands not to appear. Not all vagrant or small disjunct occurrences are depicted. For migratory birds, some individuals occur outside of the passage migrant range depicted. For information on how to obtain shapefiles of species ranges see our Species Mapping pages at www.natureserve.org/conservation-tools/data-maps-tools.

Range Map Compilers: NatureServe, 2005


U.S. Distribution by County Help
State County Name (FIPS Code)
TN Blount (47009)*, Claiborne (47025)*, Cocke (47029)*, Coffee (47031), Cumberland (47035), DeKalb (47041), Grainger (47057)*, Grundy (47061), Marion (47115)*, Morgan (47129), Sevier (47155)*, Van Buren (47175)*
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
05 Caney (05130108)+
06 Holston (06010104)+*, Pigeon (06010106)+*, Lower French Broad (06010107)+*, Tuckasegee (06010203)+*, Lower Little Tennessee (06010204)+*, Upper Clinch (06010205)+*, Powell (06010206)+*, Emory (06010208)+, Middle Tennessee-Chickamauga (06020001)+*, Guntersville Lake (06030001)+, Upper Duck (06040002)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Non-Migrant: N
Locally Migrant: N
Long Distance Migrant: N
Palustrine Habitat(s): Riparian
Special Habitat Factors: Burrowing in or using soil, Fallen log/debris
Habitat Comments: This species is found near streams on a forested plateau. Individuals are most often found on land but within a meter of water; under rocks along small streams and under moss and debris on vertical rock faces behind cascades.
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: 30Nov2005
NatureServe Conservation Status Factors Author: Hammerson, G.

Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

References
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  • Anderson, J. A., and S. G. Tilley. 2003. Systematics of the Desmognathus ochrophaeus complex in the Cumberland Plateau of Tennessee. Herpetological Monographs 17:75-110.

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