Najas minor

ClassificationMonocots
FamilyHydrocharitaceae
Family (Traditional)Hydrocharitaceae
GenusNajas
Species:Najas minor All.
Common NameBrittle Waternymph
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: DRU; Natural Area Presence: LC; Natural Area Presence: LGS; Duration: Annual; General Ecology: Aquatic; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: Asia; Region of Origin: Europe; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: basal; Leaf Arrangement: floating; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Petiole Type: subsessile; Leaf Type: grass-like; Leaf Type: linear; Leaf Venation: one-veined; Leaflet Margins: serrate; Leaflet Margins: serrulate; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Carpel Number/Pistil: 1; Fruit Dehiscence: Yes; Fruit Type: Achene; Fruit Wet/Dry: Dry; Overall Flower Symmetry: Actinomorphic; Sporangium Arrangement: N/A; Stamen Number: 1
C value N/A
StatusNot Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNA] KY[SNA] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

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
Najas fragilis Najas fragilis (Willd.) Delile

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: Ballard (KY), Boone (KY), Boyd (KY), Campbell (KY), Clay (KY), Cumberland (KY), Daviess (KY), Floyd (KY), Franklin (KY), Grant (KY), Greenup (KY), Jefferson (KY), Knott (KY), Knox (KY), Laurel (KY), Lyon (KY), McCreary (KY), McLean (KY), Madison (KY), Magoffin (KY), Marshall (KY), Meade (KY), Oldham (KY), Owen (KY), Pendleton (KY), Powell (KY), Rockcastle (KY), Rowan (KY), Shelby (KY), Todd (KY), Trigg (KY), Warren (KY), Benton (TN), Campbell (TN), Clay (TN), Cumberland (TN), Dickson (TN), Franklin (TN), Grundy (TN), Hamilton (TN), Hardin (TN), Henderson (TN), Henry (TN), Houston (TN), Jefferson (TN), Knox (TN), Loudon (TN), Marion (TN), Meigs (TN), Monroe (TN), Overton (TN), Putnam (TN), Rhea (TN), Scott (TN), Shelby (TN), Stewart (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, EKY, KNK, MDKY, MEM, TENN, UOS

Range of years during which specimens were collected: 1968 - 2011

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100095353 McCreary Kentucky 10 Aug 1991 Ronald Jones
6851
EKY
Najas minor
31234100095346 Madison Kentucky 30 Jun 1993 Gary W. Libby
510
EKY
Najas minor
31234100095387 Cumberland Tennessee 01 Aug 1988 Ronald L. Jones
5462
EKY
Najas minor
31234100095296 Clay Kentucky 17 Jun 1988 Rick Coffey
4
EKY
Najas minor
31234100095320 Magoffin Kentucky 21 Sep 1997 A. D. Wireman
41
EKY
Najas minor
31234100095338 Magoffin Kentucky 13 Sep 1997 A. D. Wireman
24
EKY
Najas minor
31234100095361 Rockcastle Kentucky 07 Jul 1990 T. Bertram
21
EKY
Najas minor
N/A McCreary Kentucky 10 Aug 1991 Ronald L. Jones
6851
EKY
Najas minor
BEREA004611 Madison Kentucky 30 Jun 1993 Gary W. Libby
OB-510
BEREA
Najas minor
BEREA004612 Madison Kentucky 03 Nov 1984 David D. Taylor, David Pelren, Steve Mankowski
8200
BEREA
Najas minor
BEREA004609 Laurel Kentucky 31 Jul 2000 Ralph L. Thompson, Edward W. J. FitzGerald, Jr.
00-406
BEREA
Najas minor
31973000016419 Campbell Kentucky
KNK
Najas minor
31973000016418 Owen Kentucky
KNK
Najas minor
31973000016417 Grant Kentucky
KNK
Najas minor
31234100095395 Grundy Tennessee 03 Aug 1988 Ronald L. Jones
5522
EKY
Najas minor
31234100095304 Floyd Kentucky 15 Jul 1991 John Osborne
15
EKY
Najas minor
31234100095270 Grant Kentucky 23 Jul 1983 John W. Thieret
54016
EKY
Najas minor
31234100095122 Madison Kentucky 16 Jul 1992 Stephen A. Walker
440
EKY
Najas minor
31234100095312 Knox Kentucky 24 Jul 1992 John D. Williams
18
EKY
Najas minor
31234100095288 Madison Kentucky 03 Nov 1984 David D. Taylor
8200
EKY
Najas minor
BEREA004610 Madison Kentucky 03 Nov 1984 David D. Taylor, David Pelren, Steve Mankowski
8200
BEREA
Najas minor
31973000016415 Rowan Kentucky
KNK
Najas minor
31973000016420 Boone Kentucky
KNK
Najas minor
31973000016425 Greenup Kentucky
KNK
Najas minor
31973000016413 Pendleton Kentucky
KNK
Najas minor
31973000016422 Floyd Kentucky
KNK
Najas minor
31973000016421 Rowan Kentucky
KNK
Najas minor
MDKY00006470 Rowan Kentucky
MDKY
Najas minor
31973000016414 Grant Kentucky
KNK
Najas minor
MDKY00006471 Rowan Kentucky
MDKY
Najas minor
MDKY00006473 Knott Kentucky
MDKY
Najas minor
TENN-V-0013873 Lyon Kentucky
TENN
Najas minor
TENN-V-0013875 Trigg Kentucky
TENN
Najas minor
TENN-V-0013792 Campbell Tennessee
TENN
Najas minor
TENN-V-0013797 Grundy Tennessee
TENN
Najas minor
TENN-V-0013807 Loudon Tennessee
TENN
Najas minor
TENN-V-0013793 Clay Tennessee
TENN
Najas minor
TENN-V-0013816 Putnam Tennessee
TENN
Najas minor
TENN-V-0013800 Hamilton Tennessee
TENN
Najas minor
TENN-V-0013810 Marion Tennessee
TENN
Najas minor
TENN-V-0013817 Rhea Tennessee
TENN
Najas minor
TENN-V-0013795 Cumberland Tennessee
TENN
Najas minor
TENN-V-0013801 Hamilton Tennessee
TENN
Najas minor
TENN-V-0013799 Hamilton Tennessee
TENN
Najas minor
MDKY00006472 Boyd Kentucky
MDKY
Najas minor
TENN-V-0013805 Knox Tennessee
TENN
Najas minor
TENN-V-0013806 Knox Tennessee
TENN
Najas minor
TENN-V-0013798 Grundy Tennessee
TENN
Najas minor
TENN-V-0013871 Marshall Kentucky
TENN
Najas minor
TENN-V-0013802 Henderson Tennessee
TENN
Najas minor
TENN-V-0013813 Meigs Tennessee
TENN
Najas minor
TENN-V-0013874 Marshall Kentucky
TENN
Najas minor
TENN-V-0013796 Grundy Tennessee
TENN
Najas minor
TENN-V-0013815 Overton Tennessee
TENN
Najas minor
TENN-V-0013803 Henderson Tennessee
TENN
Najas minor
TENN-V-0013808 Marion Tennessee
TENN
Najas minor
TENN-V-0013872 Trigg Kentucky
TENN
Najas minor
TENN-V-0013814 Monroe Tennessee
TENN
Najas minor
TENN-V-0013818 Rhea Tennessee
TENN
Najas minor
TENN-V-0013819 Scott Tennessee
TENN
Najas minor
TENN-V-0013809 Marion Tennessee
TENN
Najas minor
TENN-V-0013812 Meigs Tennessee
TENN
Najas minor
TENN-V-0013794 Cumberland Tennessee
TENN
Najas minor
TENN-V-0013811 Marion Tennessee
TENN
Najas minor
TENN-V-0243470 Rhea Tennessee
TENN
Najas minor
TENN-V-0243469 Hardin Tennessee
TENN
Najas minor
TENN-V-0013820 Shelby Tennessee
TENN
Najas minor
APSC0038486 Trigg Kentucky
APSC
Najas minor
APSC0038498 Todd Kentucky 26 Aug 1968 Lloyd Settle
APSC
Najas minor
APSC0110812 Grant Kentucky
APSC
Najas minor
APSC0079016 Oldham Kentucky
APSC
Najas minor
APSC0038484 Lyon Kentucky
APSC
Najas minor
APSC0110686 Shelby Kentucky
APSC
Najas minor
APSC0108473 Jefferson Kentucky
APSC
Najas minor
APSC0110678 Warren Kentucky
APSC
Najas minor
APSC0110684 Shelby Kentucky
APSC
Najas minor
TENN-V-0013804 Jefferson Tennessee
TENN
Najas minor
APSC0038497 Dickson Tennessee
APSC
Najas minor
APSC0038483 Lyon Kentucky
APSC
Najas minor
APSC0108470 Powell Kentucky
APSC
Najas minor
APSC0056353 Benton Tennessee
APSC
Najas minor
APSC0038478 Trigg Kentucky
APSC
Najas minor
APSC0038490 Rhea Tennessee
APSC
Najas minor
APSC0038491 Hardin Tennessee 12 Aug 2011 David H. Webb
APSC
Najas minor
APSC0038481 Trigg Kentucky
APSC
Najas minor
APSC0110682 Shelby Kentucky
APSC
Najas minor
APSC0038485 Trigg Kentucky
APSC
Najas minor
APSC0108472 Franklin Kentucky
APSC
Najas minor
APSC0038482 Lyon Kentucky
APSC
Najas minor
APSC0038495 Henry Tennessee
APSC
Najas minor
APSC0038487 Trigg Kentucky
APSC
Najas minor
APSC0110807 Putnam Tennessee
APSC
Najas minor
APSC0110677 Campbell Kentucky
APSC
Najas minor
APSC0111186 Shelby Kentucky
APSC
Najas minor
APSC0038488 Stewart Tennessee 27 Aug 1985 Edward Chester
APSC
Najas minor
APSC0038480 Trigg Kentucky
APSC
Najas minor
APSC0038479 Lyon Kentucky
APSC
Najas minor
APSC0110679 Meade Kentucky
APSC
Najas minor
APSC0110685 Warren Kentucky
APSC
Najas minor
APSC0110681 Shelby Kentucky
APSC
Najas minor
APSC0067599 Meigs Tennessee
APSC
Najas minor
APSC0038493 Marshall Kentucky 18 Sep 2008 David H. Webb
APSC
Najas minor
APSC0108469 Rowan Kentucky
APSC
Najas minor
APSC0110683 Cumberland Kentucky
APSC
Najas minor
APSC0038489 Trigg Kentucky
APSC
Najas minor
APSC0110813 McLean Kentucky
APSC
Najas minor
TENN-V-0243557 Meigs Tennessee
TENN
Najas minor
TENN-V-0243558 Rhea Tennessee
TENN
Najas minor
UOS07143 Franklin Tennessee 05 Jul 2000 Yolande M. Gottfried
UOS
Najas minor
UOS07140 Franklin Tennessee 11 Oct 1997 Mary P. Priestley
UOS
Najas minor
MEM012275 Shelby Tennessee 01 Aug 1978 Vernon M. Bates Jr.
402
MEM
Najas minor
APSC0110688 Ballard Kentucky
APSC
Najas minor
APSC0110680 Daviess Kentucky
APSC
Najas minor
APSC0038492 Hamilton Tennessee
APSC
Najas minor
APSC0100894 Houston Tennessee
APSC
Najas minor
TENN-V-0243556 Houston Tennessee
TENN
Najas minor
UOS07141 Franklin Tennessee 18 Jul 2006 Yolande M. Gottfried
UOS
Najas minor
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