Eriochloa michauxii var. simpsonii - A.S. Hitchc.
Longleaf Cupgrass
Taxonomic Status: Accepted
Related ITIS Name(s): Eriochloa michauxii var. simpsonii (Hitchc.) Hitchc. (TSN 527980)
Unique Identifier: ELEMENT_GLOBAL.2.142520
Element Code: PMPOA2Q042
Informal Taxonomy: Plants, Vascular - Flowering Plants - Grass Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Poaceae Eriochloa
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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: Eriochloa michauxii var. simpsonii
Taxonomic Comments: Distinguished from typical variety by narrower leaves, fewer panicles, and empty sterile lemmas. Treated as distinct in Long & Lakela (1976), but not in Godfrey & Wooten (1979). Recognized as distinct by Kartesz (1999) based on Wunderlin et al. (1996 internet edition of the Atlas of the Florida Vascular Plants). Wunderlin did not recognize it before, in his 1982 published flora.
Conservation Status
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NatureServe Status

Global Status: G3G4TH
Global Status Last Reviewed: 04Feb2002
Global Status Last Changed: 04Feb2002
Rounded Global Status: TH - Possibly Extinct
Reasons: Florida endemic, with a narrow range and few known element occurrences. As of October 1997, no records for this element exist in the Florida Natural Areas Inventory database. Populations are known from herbarium specimens only. Institute for Regional Conservation lists this species as historical, after extensive search for old records were unsuccessful.
Nation: United States
National Status: NH

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 Florida (SH)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Lee, Collier, Monroe Counties, Florida.

Number of Occurrences: 6 - 20
Number of Occurrences Comments: 5 from herbarium searches.

Overall Threat Impact Comments: Threats unknown, development?

Other NatureServe Conservation Status Information

Distribution
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Global Range: Lee, Collier, Monroe Counties, Florida.

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 FL

Range Map
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Ecology & Life History
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Basic Description: Perennial cupgrass growing 7-15 dm tall. Rachis is velvety. Few flower racemes.
Technical Description: See PCAG for Eriochloa michauxii for full species tech. description. Variety simpsonii is distinguished by very narrow leaves; racemes few, appressed; sterile lemma empty (Hitchcock, 1951).
Diagnostic Characteristics: See technical description.
Duration: PERENNIAL
Habitat Comments: Gulf dunes in brackish sand.
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: 22Apr1992
NatureServe Conservation Status Factors Author: Hardin, E.D., rev. C. Russell (1992), rev. L.G. Chafin (2002)
Element Ecology & Life History Edition Date: 22Apr1992

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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  • Clewell, A.F. 1985. Guide to vascular plants of the Florida panhandle. Florida State Univ. Press, Tallahassee, Florida. 605 pp.

  • Hitchcock, A.S. 1951. Manual of the grasses of the United States. 2nd edition revised by Agnes Chase. [Reprinted, 1971, in 2 vols., by Dover Publications, Incorporated, New York.]

  • 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.

  • Kral, R. 1983c. A report on some rare, threatened, or endangered forest-related vascular plants of the South. U.S. Dept. of Agriculture Forest Service Technical Publication R8-TP2, Athens, GA. 1305 pp.

  • Small, J.K. 1933. Manual of the southeastern flora. Two volumes. Hafner Publishing Company, New York.

  • Wunderlin, R.P. 1982. Guide to the vascular plants of central Florida. Univ. Presses Florida, Gainesville. 472 pp.

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