Parnassia grandifolia - DC.
Largeleaf Grass-of-Parnassus
Other Common Names: largeleaf grass of Parnassus
Taxonomic Status: Accepted
Related ITIS Name(s): Parnassia grandifolia DC. (TSN 24211)
Unique Identifier: ELEMENT_GLOBAL.2.144987
Element Code: PDSAX0P060
Informal Taxonomy: Plants, Vascular - Flowering Plants - Saxifrage Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Rosales Saxifragaceae Parnassia
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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: Parnassia grandifolia
Conservation Status
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NatureServe Status

Global Status: G3
Global Status Last Reviewed: 11Aug2000
Global Status Last Changed: 11Aug2000
Rounded Global Status: G3 - Vulnerable
Reasons: Moderately widespread range; habitat declining. The species is distributed in over 100 locations over four to six counties in Arkansas, and has a wide but sparse range throughout much of the South. However, number of individuals is apparently low at many sites.
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), Arkansas (S3), Florida (S2), Georgia (S1), Kentucky (S1), Louisiana (S1), Mississippi (S2), Missouri (S3), North Carolina (S2), Oklahoma (S1), South Carolina (S2), Tennessee (S3), Texas (S1), Virginia (S2), West Virginia (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Occurs in scattered locations from Virginia and West Virginia, west to Missouri, and south to eastern Texas. It is found in Florida in two disjunct areas (considered a relict). It is found in Arkansas (AKNHP, 1993).

Number of Occurrences: 81 to >300
Number of Occurrences Comments: There are over 100 locations for this species in Arkansas (1993 ARNHP).

Population Size Comments: There are over 100 locations in Arkansas (ARNHP, 1993), but information on abundance needed. Apparently, few sites have more than 1000 plants.

Number of Occurrences with Good Viability/Integrity: Many (41-125)

Overall Threat Impact Comments: Parnassia grandifolia is rare throughout its limited range, making it especially threatened by land-use conversion and habitat fragmentation (Southern Appalachian Species Viability Project 2002). Intense forest management practices irreparably damage the habitat for this species. 

Short-term Trend: Relatively Stable (<=10% change)
Short-term Trend Comments: Considered 'stable' in discussions at Southeastern Heritage Conf., Nov. 1994. However, there are 29 Historic or Extirpated occurrences, some of which inform short or long term trend.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Occurs in scattered locations from Virginia and West Virginia, west to Missouri, and south to eastern Texas. It is found in Florida in two disjunct areas (considered a relict). It is found in Arkansas (AKNHP, 1993).

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, AR, FL, GA, KY, LA, MO, MS, NC, OK, SC, TN, TX, VA, WV

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AL Bibb (01007), Choctaw (01023)*, Washington (01129)*
FL Franklin (12037), Liberty (12077), Marion (12083), Putnam (12107)
GA Catoosa (13047)*, Habersham (13137)*, Rabun (13241)*
KY Adair (21001)*, Clinton (21053)
LA Natchitoches (22069)
MS Forrest (28035), Jackson (28059), Pearl River (28109), Perry (28111), Stone (28131)
NC Alleghany (37005), Ashe (37009), Brunswick (37019), Clay (37043), Columbus (37047), Haywood (37087), Macon (37113), McDowell (37111), Pender (37141), Transylvania (37175), Watauga (37189)
OK Choctaw (40023)
SC Greenville (45045), Pickens (45077)
TN Anderson (47001)*, Campbell (47013), Cannon (47015), Carter (47019)*, Cheatham (47021), Claiborne (47025), Coffee (47031), DeKalb (47041), Lawrence (47099), Lewis (47101), Maury (47119), Pickett (47137), Union (47173), Williamson (47187)
VA Augusta (51015), Bland (51021)*, Floyd (51063), Giles (51071)*, Grayson (51077), Montgomery (51121), Russell (51167), Washington (51191)
WV Fayette (54019)*, Jefferson (54037)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
02 South Fork Shenandoah (02070005)+, Shenandoah (02070007)+
03 Upper Roanoke (03010101)+, Lower Cape Fear (03030005)+, Upper Catawba (03050101)+, Saluda (03050109)+, Seneca (03060101)+, Tugaloo (03060102)+*, Upper St. Johns (03080101)+, Oklawaha (03080102)+, Apalachicola (03130011)+, New (03130013)+, Cahaba (03150202)+, Middle Tombigbee-Chickasaw (03160201)+*, Lower Tambigbee (03160203)+*, Lower Leaf (03170005)+, Black (03170007)+, Mississippi Coastal (03170009)+, Lower Pearl. Mississippi (03180004)+*
05 Upper New (05050001)+, Middle New (05050002)+*, Upper Kanawha (05050006)+*, Upper Green (05110001)+*, Upper Cumberland-Lake Cumberland (05130103)+, Obey (05130105)+, Caney (05130108)+, Lower Cumberland-Sycamore (05130202)+, Harpeth (05130204)+
06 North Fork Holston (06010101)+, South Fork Holston (06010102)+, Watauga (06010103)+*, Upper French Broad (06010105)+*, Pigeon (06010106)+, Upper Little Tennessee (06010202)+, Upper Clinch (06010205)+, Powell (06010206)+, Lower Clinch (06010207)+*, Middle Tennessee-Chickamauga (06020001)+*, Upper Duck (06040002)+, Lower Duck (06040003)+, Buffalo (06040004)+
11 Kiamichi (11140105)+, Saline Bayou (11140208)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Duration: PERENNIAL
Palustrine Habitat(s): Bog/fen
Terrestrial Habitat(s): Grassland/herbaceous, Woodland - Conifer
Habitat Comments: Ecotonal seepage slopes between mesic flatwoods and swamps. Calcareous seeps, fens, and springs. "Occurs in swampy open meadows in small valleys fed by calcareous spring water, moist limestone ledges along streams, and moist crevices at the base of north-facing limetone bluffs" (Steyermark, 1963).
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: 13Apr1994
NatureServe Conservation Status Factors Author: Weakley (1994), rev. L. Morse (1998, 2000)

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
  • Flora of North America Editorial Committee. 2016. Flora of North America North of Mexico. Vol. 12. Magnoliophyta: Vitaceae to Garryaceae. Oxford Univ. Press, New York. xxiv + 603 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.

  • Leonard, Steve. 1999. State conservation ranking recommendations for species included in the paper:Sorrie, B.A., and S.W. Leonard. 1999. Noteworthy records of Mississippi Mississippi vascular plants. Sida 18(3)889-908.

  • Sorrie, B.A. 1999. Species ranking for noteworthy plants of Mississippi (A99SOR01MSUS). E-mail of Sept. 1, 1999 to MSHP.

  • Sorrie, B.A., and S.W. Leonard. 1999. Noteworthy records of Mississippi vascular plants. Sida 18(3)889-908. Address: BRUCE SORRIE, 3076 NIAGARA-CARTHAGE ROAD, WHISPERING PINES, NC 28327

  • 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.

  • Steyermark, J.A. 1963. Flora of Missouri. Iowa State Univ. Press, Ames. 1728 pp.

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