Juncus validus

ClassificationMonocots
FamilyJuncaceae
Family (Traditional)Juncaceae
GenusJuncus
SpeciesJuncus validus Coville
Common NameRoundhead 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; Flower Color2: Green; Fruit Color: Brown ;
*Average C-Value: 1.6
C value 2
StatusNative; AGCP (FACW), EMP (FACW) (NWPL); TN[SNR] KY[S1?] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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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

No synonyms exist for this species.

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: McCreary (KY), Carroll (TN), Cumberland (TN), Fayette (TN), Hardin (TN), Shelby (TN), Stewart (TN), White (TN)

Herbaria represented by specimen data listed below: APSC, EKY, KNK, TENN

Range of years during which specimens were collected: 1966 - 2010

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100098662 McCreary Kentucky 08 Aug 1996 Gary W. Libby
1403
EKY
Juncus validus
31973000014509 McCreary Kentucky
KNK
Juncus validus
31973000014510 McCreary Kentucky
KNK
Juncus validus
TENN-V-0242206 Hardin Tennessee
TENN
Juncus validus
APSC0072693 White Tennessee
APSC
Juncus validus
APSC0035643 Hardin Tennessee 15 Jul 2010 David H. Webb
APSC
Juncus validus
APSC0035638 Stewart Tennessee 25 Jul 1987 Edward Chester
APSC
Juncus validus
APSC0035639 Fayette Tennessee
APSC
Juncus validus
APSC0035640 Hardin Tennessee 19 Jul 1988 Milo Pyne
APSC
Juncus validus
APSC0035644 Hardin Tennessee 13 Sep 1966
APSC
Juncus validus
31973000014508 McCreary Kentucky
KNK
Juncus validus
APSC0035641 Carroll Tennessee
APSC
Juncus validus
APSC0072692 Cumberland Tennessee
APSC
Juncus validus
APSC0035637 Stewart Tennessee 25 Jul 1987 Edward Chester
APSC
Juncus validus
APSC0097089 Shelby Tennessee
APSC
Juncus validus
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