Juncus brachycephalus

ClassificationMonocots
FamilyJuncaceae
Family (Traditional)Juncaceae
GenusJuncus
SpeciesJuncus brachycephalus (Engelm.) Buchenau
Common Namesmall-head rush, smallhead 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: 8.0
C value 8
StatusNative; AGCP (OBL), EMP (OBL) (NWPL); TN[S2] (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 canadensis var. brachycephalus Juncus canadensis var. brachycephalus

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: Anderson (TN), Blount (TN), Campbell (TN), Claiborne (TN), Greene (TN), Humphreys (TN), Lewis (TN), Roane (TN), Union (TN), Warren (TN), Williamson (TN)

Herbaria represented by specimen data listed below: APSC, TENN, UCHT, VDB

Range of years during which specimens were collected: 1986 - 2017

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0061637 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0061646 Warren Tennessee
TENN
Juncus brachycephalus
TENN-V-0061636 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0061645 Union Tennessee
TENN
Juncus brachycephalus
TENN-V-0061633 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0061632 Anderson Tennessee
TENN
Juncus brachycephalus
TENN-V-0061648 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0061644 Union Tennessee
TENN
Juncus brachycephalus
TENN-V-0061651 Union Tennessee
TENN
Juncus brachycephalus
UCHT005124 Humphreys Tennessee 20 Aug 1986 R. Kral
73593
UCHT
Juncus brachycephalus
UCHT005121 Humphreys Tennessee 20 Aug 1986 R. Kral
73593
UCHT
Juncus brachycephalus
UCHT005119 Williamson Tennessee 14 Sep 1996 R. Kral
86722
UCHT
Juncus brachycephalus
APSC0062481 Lewis Tennessee Dwayne Estes
APSC
Juncus brachycephalus
APSC0081576 Williamson Tennessee
APSC
Juncus brachycephalus
APSC0041710 Union Tennessee
APSC
Juncus brachycephalus
TENN-V-0061647 Warren Tennessee
TENN
Juncus brachycephalus
TENN-V-0061634 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0061642 Greene Tennessee
TENN
Juncus brachycephalus
TENN-V-0061638 Claiborne Tennessee
TENN
Juncus brachycephalus
TENN-V-0061641 Claiborne Tennessee
TENN
Juncus brachycephalus
TENN-V-0061639 Claiborne Tennessee
TENN
Juncus brachycephalus
TENN-V-0061635 Campbell Tennessee
TENN
Juncus brachycephalus
TENN-V-0174662 Williamson Tennessee
TENN
Juncus brachycephalus
TENN-V-0061643 Roane Tennessee
TENN
Juncus brachycephalus
TENN-V-0061640 Claiborne Tennessee
TENN
Juncus brachycephalus
UCHT005123 Humphreys Tennessee 20 Aug 1986 R. Kral
73593
UCHT
Juncus brachycephalus
TENN-V-0245362 Blount Tennessee
TENN
Juncus brachycephalus
TENN-V-0244953 Campbell Tennessee 04 Aug 2011 Aaron Floden
1671
TENN
Juncus brachycephalus
TENN-V-0244197 Roane Tennessee 08 Sep 2017 Paul C. Durr
22
TENN
Juncus brachycephalus
UCHT041999 Lewis Tennessee
UCHT
Juncus brachycephalus
BRIT168774 Tennessee
VDB
Juncus brachycephalus
BRIT168775 Tennessee
VDB
Juncus brachycephalus
BRIT168773 Tennessee
VDB
Juncus brachycephalus
BRIT168771 Tennessee
VDB
Juncus brachycephalus
BRIT168776 Tennessee
VDB
Juncus brachycephalus
BRIT168772 Tennessee
VDB
Juncus brachycephalus
BRIT168777 Tennessee
VDB
Juncus brachycephalus
APSC0041711 Campbell Tennessee
APSC
Juncus brachycephalus
APSC0082826 Williamson Tennessee 22 Aug 2014 Judy Redden
APSC
Juncus brachycephalus
APSC0085092 Lewis Tennessee 31 Aug 2013 Judy Redden
APSC
Juncus brachycephalus
APSC0085091 Lewis Tennessee 01 Sep 2014 Judy Redden
APSC
Juncus brachycephalus
APSC0053442 Humphreys Tennessee
APSC
Juncus brachycephalus
TENN-V-0244188 Humphreys Tennessee
TENN
Juncus brachycephalus
TENN-V-2044197 Roane Tennessee
TENN
Juncus brachycephalus
BRIT168778 Tennessee
VDB
Juncus brachycephalus
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Plant Photos

Juncus brachycephalus - Sunny Fleming
Juncus brachycephalus - Sunny Fleming