Chasmanthium nitidum - (Baldw.) Yates
Shiny Spikegrass
Other English Common Names: Shiny Woodoats
Other Common Names: shiny woodoats
Taxonomic Status: Accepted
Related ITIS Name(s): Chasmanthium nitidum (Baldwin ex Elliott) H.O. Yates (TSN 41549)
Unique Identifier: ELEMENT_GLOBAL.2.132619
Element Code: PMPOA1D030
Informal Taxonomy: Plants, Vascular - Flowering Plants - Grass Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Poaceae Chasmanthium
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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: Chasmanthium nitidum
Conservation Status
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NatureServe Status

Global Status: G3G4
Global Status Last Reviewed: 08Feb2013
Global Status Last Changed: 08Feb2013
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G3 - Vulnerable
Reasons: An estimate of the number of occurrences is below 100. This Southeastern Coastal Plain endemic is rare at the northern and westermost edges of its range in North Carolina, South Carolina and Alabama. It is documented for 28 counties in Florida, but some of the records are based on specimens over 20 years old and the occurrences may no longer exist. It may be threatened by logging, intensive forestry practices, and invasive exotic species.
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 (S1), Florida (SNR), Georgia (S3?), North Carolina (S1), South Carolina (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: A Southeastern Coastal Plain endemic, ranging from southeastern North Carolina south to central Florida and west to southern Alabama (Godfrey and Wooten 1979, Weakley 1996).

Area of Occupancy: 6-125 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: 21 - 80
Number of Occurrences Comments: Chasmanthium nitidum occurs in five states: North Carolina, South Carolina, Georgia, Alabama, and Florida. There are two occurrences in one county in North Carolina. Documented with herbarium specimens for five counties in Georgia and 28 counties in Florida.

Population Size Comments: There is at least one individual plant per occurrence, and colonies can be extensive. As a colony-forming species, it is difficult to assess what an individual is.

Number of Occurrences with Good Viability/Integrity: Some (13-40)
Viability/Integrity Comments: Sometimes abundant over extensive areas (Godfrey and Wooten 1979).

Overall Threat Impact: Low
Overall Threat Impact Comments: It may be threatened by logging, intensive forestry practices, and invasive exotic species.

Short-term Trend: Decline of <30% to relatively stable

Long-term Trend: Decline of 10-50%

Intrinsic Vulnerability Comments: Chasmanthium nitidum is not susceptible to non-destructive intrusion.

Other NatureServe Conservation Status Information

Distribution
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Global Range: A Southeastern Coastal Plain endemic, ranging from southeastern North Carolina south to central Florida and west to southern Alabama (Godfrey and Wooten 1979, Weakley 1996).

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, FL, GA, NC, SC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AL Bullock (01011), Houston (01069), Mobile (01097)
NC Pender (37141)
SC Charleston (45019)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Northeast Cape Fear (03030007)+, Santee (03050112)+, Bulls Bay (03050209)+*, Middle Chattahoochee-Walter F. George Reservoir (03130003)+, Chipola (03130012)+, Mobile Bay (03160205)+, Mississippi Coastal (03170009)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: A colony-forming, perennial grass with unbranched, glabrous stems and purple nodes. The leaf sheaths usually do not overlap, and the uppermost leaf is shorter than the panicle. Leaf sheaths are striate, and pubescent on the margins; the blades are attenuate, striate, and glabrous. The panicle is open with ascending branches and relatively distant spikelets. The sessile or short-stalked spikelets are oblong and 4-8 flowered with narrow, long-acute glumes.
Diagnostic Characteristics: Plants are slenderly rhizomatous and loosely colonial. The axils of the panicle branches and of the spiklets are glabrous. Spikelets mostly 10 mm wide and 15 mm long or so (Godfrey and Wooten 1979).
Habitat Comments: Stream and river banks, low moist to wet woodlands, often very abundant in wet hammocks, adjacent ditches and clearings (Godfrey and Wooten 1979). Blackwater swamp forests (Weakley, 1996).
Economic Attributes Not yet assessed
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Management Summary
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Stewardship Overview: Maintain mixed or deciduous forest cover where this plant occurs, avoid conversion of the forest to intensive pine plantation. In cases where logging has occurred, avoid bedding for reforestation site preparation, herbicides used for site preparation should be compatible with native grasses. In some cases invasive exotic plants may threaten populations, and control of the invasive exotic plants would be warranted. This control should be done in a way that does not negatively impact this unusual grass.
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: 08Feb2013
NatureServe Conservation Status Factors Author: Nordman, C.
Management Information Edition Date: 12Feb2013
Management Information Edition Author: Nordman, C.

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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  • Diamond, Alvin. 2002. Rare plant species and potential habitat for rare species on Sehoy Plantation. Unpublished report.

  • Godfrey, R.K., and J.W. Wooten. 1979. Aquatic and wetland plants of southeastern United States: Monocotyledons. Univ. Georgia Press, Athens. 712 pp.

  • Godfrey, R.K., and J.W. Wooten. 1981. Aquatic and wetland plants of southeastern United States: Dicotyledons. Univ. Georgia Press, Athens. 933 pp.

  • 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.

  • 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.

  • 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.

  • Wunderlin, R.P., B.F. Hansen, and E.L. Bridges. 1996. Atlas of Florida Vascular Plants. Published on the Internet: http://www.usf.edu/isb/projects/atlas/atlas.html

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