Juncus debilis

ClassificationMonocots
FamilyJuncaceae
Family (Traditional)Juncaceae
GenusJuncus
SpeciesJuncus debilis A. Gray
Common Nameweak rush
Growth Habitgraminoid
Plant NotesLeaf Persistance: Deciduous; Habit: graminoid; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Basal; absent; Simple/Compound: Simple; Leaf Complexity: 0; Leaf Type: Grasslike;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 5.0
C value 5
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[SNR] KY[S5] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Juncus acuminatus var. debilis Juncus acuminatus var. debilis

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Bath (KY), Bell (KY), Harlan (KY), McCreary (KY), Madison (KY), Menifee (KY), Pulaski (KY), Scott (KY), Bledsoe (TN), Blount (TN), Bradley (TN), Campbell (TN), Carter (TN), Cheatham (TN), Clay (TN), Coffee (TN), Cumberland (TN), Davidson (TN), Dickson (TN), Fayette (TN), Fentress (TN), Franklin (TN), Giles (TN), Greene (TN), Grundy (TN), Hamilton (TN), Hardin (TN), Henry (TN), Lawrence (TN), Macon (TN), Marion (TN), Montgomery (TN), Moore (TN), Morgan (TN), Overton (TN), Polk (TN), Putnam (TN), Rhea (TN), Roane (TN), Rutherford (TN), Scott (TN), Sequatchie (TN), Shelby (TN), Sullivan (TN), Tipton (TN), Unicoi (TN), Van Buren (TN), Warren (TN), Wayne (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, EKY, ETSU, HTTU, MDKY, TENN, UCHT, UOS

Range of years during which specimens were collected: 1987 - 2018

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100460722 White Tennessee 01 Aug 1987 Ronald L. Jones
5202
EKY
Juncus debilis
N/A Menifee Kentucky 21 Jun 1987 Ross C. Clark
21182
EKY
Juncus debilis
N/A Menifee Kentucky 21 Jun 1987 R.C. Clark
21182
EKY
Juncus debilis
31234100460706 Grundy Tennessee 22 May 1987 Ronald L. Jones
4780
EKY
Juncus debilis
31234100100898 Harlan Kentucky 11 Sep 2004 Amy V. McIntosh
486
EKY
Juncus debilis
31234100460714 Marion Tennessee 04 Jun 1987 Ronald L. Jones
4869
EKY
Juncus debilis
31234100097995 Madison Kentucky 15 Sep 1993 Gary W. Libby
OB-125
EKY
Juncus debilis
31234100100922 White Tennessee 03 Jun 1987 Ronald L. Jones
4818
EKY
Juncus debilis
N/A Carter Tennessee 15 Sep 2012 Frosty Levy
ETSU
Juncus debilis
ETSU002609 Unicoi Tennessee 28 Aug 2010 Frosty Levy
ETSU
Juncus debilis
ETSU005879 Carter Tennessee 19 Oct 2015 Frosty Levy
ETSU
Juncus debilis
MDKY00005496 McCreary Kentucky
MDKY
Juncus debilis
MDKY00005497 Bath Kentucky
MDKY
Juncus debilis
MDKY00005500 Bath Kentucky
MDKY
Juncus debilis
MDKY00005504 Bath Kentucky
MDKY
Juncus debilis
31234100460649 Pulaski Kentucky 10 Aug 1991 Ronald L. Jones
6797
EKY
Juncus debilis
31234100460698 Franklin Tennessee 07 Aug 1987 Ronald L. Jones
5269
EKY
Juncus debilis
31234100460680 Fentress Tennessee 31 May 1987 Ronald L. Jones
4807
EKY
Juncus debilis
31234100460664 Bledsoe Tennessee 13 Jun 1987 Ronald L. Jones
4933
EKY
Juncus debilis
ETSU002608 Carter Tennessee 18 Aug 2014 Frosty Levy
ETSU
Juncus debilis
ETSU005071 Unicoi Tennessee 25 Sep 2011 Frosty Levy
ETSU
Juncus debilis
ETSU005070 Unicoi Tennessee 25 Sep 2011 Frosty Levy
ETSU
Juncus debilis
MDKY00005502 Bath Kentucky
MDKY
Juncus debilis
MDKY00005505 Bath Kentucky
MDKY
Juncus debilis
MDKY00005507 Scott Kentucky
MDKY
Juncus debilis
MDKY00005501 Bath Kentucky
MDKY
Juncus debilis
MDKY00005503 Bath Kentucky
MDKY
Juncus debilis
MDKY00005499 Bath Kentucky
MDKY
Juncus debilis
TENN-V-0061865 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061875 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061923 Grundy Tennessee
TENN
Juncus debilis
MDKY00005498 Bath Kentucky
MDKY
Juncus debilis
TENN-V-0061871 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061913 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061887 Davidson Tennessee
TENN
Juncus debilis
TENN-V-0061943 Moore Tennessee
TENN
Juncus debilis
TENN-V-0061934 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061939 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061944 Morgan Tennessee
TENN
Juncus debilis
TENN-V-0061899 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061951 Putnam Tennessee
TENN
Juncus debilis
TENN-V-0061860 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061925 Grundy Tennessee
TENN
Juncus debilis
TENN-V-0061938 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061851 Campbell Tennessee
TENN
Juncus debilis
TENN-V-0061850 Carter Tennessee
TENN
Juncus debilis
TENN-V-0061956 Rhea Tennessee
TENN
Juncus debilis
TENN-V-0061948 Polk Tennessee
TENN
Juncus debilis
TENN-V-0061856 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061964 Unicoi Tennessee
TENN
Juncus debilis
TENN-V-0061892 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061960 Scott Tennessee
TENN
Juncus debilis
TENN-V-0061946 Overton Tennessee
TENN
Juncus debilis
TENN-V-0061955 Putnam Tennessee
TENN
Juncus debilis
TENN-V-0061891 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061870 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061845 Bledsoe Tennessee
TENN
Juncus debilis
TENN-V-0061898 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061935 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061893 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061844 Bledsoe Tennessee
TENN
Juncus debilis
TENN-V-0061914 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061957 Rhea Tennessee
TENN
Juncus debilis
TENN-V-0061968 White Tennessee
TENN
Juncus debilis
TENN-V-0061959 Rutherford Tennessee
TENN
Juncus debilis
TENN-V-0061958 Roane Tennessee
TENN
Juncus debilis
TENN-V-0061942 Montgomery Tennessee
TENN
Juncus debilis
TENN-V-0061888 Dickson Tennessee
TENN
Juncus debilis
TENN-V-0061911 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061868 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0174682 Moore Tennessee
TENN
Juncus debilis
TENN-V-0061905 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061858 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061966 Warren Tennessee
TENN
Juncus debilis
TENN-V-0061861 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061924 Grundy Tennessee
TENN
Juncus debilis
TENN-V-0061907 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061945 Overton Tennessee
TENN
Juncus debilis
TENN-V-0061900 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061878 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061915 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061916 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061967 Wayne Tennessee
TENN
Juncus debilis
TENN-V-0061932 Macon Tennessee
TENN
Juncus debilis
TENN-V-0061879 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061854 Cheatham Tennessee
TENN
Juncus debilis
TENN-V-0061885 Davidson Tennessee
TENN
Juncus debilis
TENN-V-0061947 Polk Tennessee
TENN
Juncus debilis
TENN-V-0061926 Grundy Tennessee
TENN
Juncus debilis
TENN-V-0061919 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061904 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061869 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061882 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061931 Lawrence Tennessee
TENN
Juncus debilis
TENN-V-0061874 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061970 White Tennessee
TENN
Juncus debilis
TENN-V-0061965 Van Buren Tennessee
TENN
Juncus debilis
TENN-V-0061886 Davidson Tennessee
TENN
Juncus debilis
TENN-V-0061949 Polk Tennessee
TENN
Juncus debilis
TENN-V-0061889 Fayette Tennessee
TENN
Juncus debilis
TENN-V-0061876 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061855 Cheatham Tennessee
TENN
Juncus debilis
TENN-V-0061929 Henry Tennessee
TENN
Juncus debilis
TENN-V-0061890 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061927 Hardin Tennessee
TENN
Juncus debilis
TENN-V-0061849 Campbell Tennessee
TENN
Juncus debilis
TENN-V-0061906 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061937 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061866 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061918 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061933 Macon Tennessee
TENN
Juncus debilis
TENN-V-0061909 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061847 Blount Tennessee
TENN
Juncus debilis
TENN-V-0061864 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061952 Putnam Tennessee
TENN
Juncus debilis
TENN-V-0063358 Bell Kentucky
TENN
Juncus debilis
TENN-V-0061912 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061848 Bradley Tennessee
TENN
Juncus debilis
TENN-V-0061930 Lawrence Tennessee
TENN
Juncus debilis
TENN-V-0061867 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061901 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061862 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061941 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061846 Bledsoe Tennessee
TENN
Juncus debilis
TENN-V-0061877 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061962 Sequatchie Tennessee
TENN
Juncus debilis
TENN-V-0061843 Bledsoe Tennessee
TENN
Juncus debilis
TENN-V-0061921 Giles Tennessee
TENN
Juncus debilis
TENN-V-0061903 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061896 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061928 Hardin Tennessee
TENN
Juncus debilis
TENN-V-0061950 Polk Tennessee
TENN
Juncus debilis
TENN-V-0061940 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061880 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061963 Sullivan Tennessee
TENN
Juncus debilis
TENN-V-0061873 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061920 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061908 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061895 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061857 Clay Tennessee
TENN
Juncus debilis
TENN-V-0061902 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061853 Carter Tennessee
TENN
Juncus debilis
TENN-V-0061954 Putnam Tennessee
TENN
Juncus debilis
TENN-V-0061881 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061961 Scott Tennessee
TENN
Juncus debilis
TENN-V-0061922 Greene Tennessee
TENN
Juncus debilis
TENN-V-0061953 Putnam Tennessee
TENN
Juncus debilis
TENN-V-0061894 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061872 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061884 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061910 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061883 Cumberland Tennessee
TENN
Juncus debilis
TENN-V-0061897 Fentress Tennessee
TENN
Juncus debilis
TENN-V-0061917 Franklin Tennessee
TENN
Juncus debilis
TENN-V-0061936 Marion Tennessee
TENN
Juncus debilis
TENN-V-0061863 Coffee Tennessee
TENN
Juncus debilis
UCHT005173 Polk Tennessee
UCHT
Juncus debilis
UCHT005172 Polk Tennessee
UCHT
Juncus debilis
UCHT005168 Marion Tennessee
UCHT
Juncus debilis
TENN-V-0174699 Grundy Tennessee
TENN
Juncus debilis
TENN-V-0061859 Coffee Tennessee
TENN
Juncus debilis
TENN-V-0061852 Carter Tennessee
TENN
Juncus debilis
TENN-V-0061969 White Tennessee
TENN
Juncus debilis
UCHT005170 Hamilton Tennessee
UCHT
Juncus debilis
UCHT005171 Marion Tennessee
UCHT
Juncus debilis
APSC0116834 Franklin Tennessee
APSC
Juncus debilis
APSC0115364 Lawrence Tennessee
APSC
Juncus debilis
APSC0102734 Grundy Tennessee
APSC
Juncus debilis
APSC0110968 Coffee Tennessee
APSC
Juncus debilis
HTTU017746 Tennessee
HTTU
Juncus debilis
UCHT036846 Marion Tennessee
UCHT
Juncus debilis
UOS07216 Franklin Tennessee 15 Jul 1996 Landon E. McKinney
UOS
Juncus debilis
UOS07213 Franklin Tennessee 06 Oct 2007 Mary P. Priestley
UOS
Juncus debilis
UOS07242 Marion Tennessee 07 Oct 1999 Al Good
UOS
Juncus debilis
UOS07214 Franklin Tennessee 23 May 2001 Mary P. Priestley
UOS
Juncus debilis
UOS07239 Marion Tennessee 06 Aug 1996 Landon E. McKinney
UOS
Juncus debilis
UCHT005167 Marion Tennessee
UCHT
Juncus debilis
APSC0110970 Warren Tennessee 06 Jun 2018 Claire Ciafre
APSC
Juncus debilis
APSC0110969 Moore Tennessee
APSC
Juncus debilis
HTTU028450 Putnam Tennessee
HTTU
Juncus debilis
HTTU028429 Putnam Tennessee
HTTU
Juncus debilis
HTTU028430 Putnam Tennessee
HTTU
Juncus debilis
TENN-V-0245289 Coffee Tennessee
TENN
Juncus debilis
UOS07215 Van Buren Tennessee 20 Oct 2001 Chris A. Fleming
UOS
Juncus debilis
UOS07217 Franklin Tennessee 22 Oct 1999 Mary P. Priestley
UOS
Juncus debilis
UOS07241 Coffee Tennessee 05 Jun 1996 Landon E. McKinney
UOS
Juncus debilis
UOS07243 Coffee Tennessee 13 Aug 1996 Douglas E. Kennemore, Jr.
UOS
Juncus debilis
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Plant Photos

Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Dwayne Estes
Juncus debilis - Theo Witsell
Juncus debilis - Theo Witsell
Juncus debilis - Theo Witsell
Juncus debilis - Theo Witsell