Lactuca biennis

ClassificationDicots
FamilyAsteraceae
Family (Traditional)Asteraceae
GenusLactuca
SpeciesLactuca biennis (Moench) Fernald
Common Nametall blue lettuce
Growth Habitforb
Plant NotesLeaf Persistance: Deciduous; Habit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Alternate; Simple/Compound: Simple;
Hypanthium: No; Perianth Absent: No; Fruit Color: ;
*Average C-Value: 2.9
C value 3
StatusNative; AGCP (FACU), EMP (FACU) (NWPL); TN[SNR] KY[S4S5] (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
Lactuca spicata Lactuca spicata Hitchc.
Lactuca spicata var. integrifolia Lactuca spicata var. integrifolia (Torr. & A.Gray) Britton
Mulgedium spicatum Mulgedium spicatum Small
Mulgedium spicatum var. integrifolium Mulgedium spicatum var. integrifolium

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), Clinton (KY), Cumberland (KY), Harlan (KY), Henry (KY), Jefferson (KY), Lewis (KY), McCreary (KY), Madison (KY), Marion (KY), Menifee (KY), Powell (KY), Rockcastle (KY), Wolfe (KY), Carter (TN), Jefferson (TN), Knox (TN), Morgan (TN), Polk (TN), Unicoi (TN)

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

Range of years during which specimens were collected: 1962 - 2017

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100271962 Madison Kentucky 27 Sep 1975 J. Stuart Lassetter
2476
EKY
Lactuca biennis
31234100781085 Wolfe Kentucky 01 Oct 2017 Thomas McFadden
719
EKY
Lactuca biennis
31234100271988 Menifee Kentucky 19 Aug 1989 Carol Hanley
183
EKY
Lactuca biennis
31234100271954 Madison Kentucky 27 Sep 1975 J. Stuart Lassetter
2476
EKY
Lactuca biennis
31234100271939 Henry Kentucky 08 Sep 1962 J. L. Gentry Jr.
742
EKY
Lactuca biennis
31234100271947 Jefferson Kentucky 22 Aug 2005 Patricia D. Haragan
25125
EKY
Lactuca biennis
31234100272010 Powell Kentucky 28 Aug 2002 Timothy J. Weckman
7734
EKY
Lactuca biennis
31234100271855 McCreary Kentucky 01 Oct 1989 Ronald L. Jones
6219
EKY
Lactuca biennis
BEREA007801 Rockcastle Kentucky
BEREA
Lactuca biennis
BEREA007800 Lewis Kentucky
BEREA
Lactuca biennis
BEREA007799 Bell Kentucky
BEREA
Lactuca biennis
BEREA007802 Rockcastle Kentucky
BEREA
Lactuca biennis
ETSU007082 Unicoi Tennessee 14 Sep 2009 Frosty Levy
ETSU
Lactuca biennis
N/A Unicoi Tennessee 14 Sep 2016 Frosty Levy
ETSU
Lactuca biennis
31234100271863 Bath Kentucky 14 Sep 1984 Julian Campbell
1296
EKY
Lactuca biennis
31234100271996 Powell Kentucky 18 Sep 1988 R. C. Clark
22007
EKY
Lactuca biennis
31234100271897 Clinton Kentucky 05 Aug 1999 Mark A. Gorton
99-909
EKY
Lactuca biennis
31234100271921 Harlan Kentucky 27 Sep 1998 Ronald L. Jones
8988
EKY
Lactuca biennis
31234100271905 Clinton Kentucky 28 Jul 1999 Mark A. Gorton
99-634
EKY
Lactuca biennis
31234100271970 Marion Kentucky 31 Aug 1997 Ross C. Clark
23703
EKY
Lactuca biennis
31234100271889 Bath Kentucky 15 Sep 1984 Julian Campbell
1354
EKY
Lactuca biennis
31234100271871 Bath Kentucky 14 Sep 1984 Julian Campbell
1296
EKY
Lactuca biennis
31234100271913 Cumberland Kentucky 07 Sep 1997 R.C. Clark
23,779
EKY
Lactuca biennis
ETSU008073 Carter Tennessee
ETSU
Lactuca biennis
N/A Carter Tennessee 15 Sep 2012 Frosty Levy
ETSU
Lactuca biennis
N/A Carter Tennessee 10 Sep 2017 Frosty Levy
ETSU
Lactuca biennis
ETSU005102 Unicoi Tennessee 08 Oct 2011 Frosty Levy
ETSU
Lactuca biennis
N/A Unicoi Tennessee 21 Sep 2010 Frosty Levy
ETSU
Lactuca biennis
N/A Unicoi Tennessee 26 Aug 2017 Frosty Levy
ETSU
Lactuca biennis
TENN-V-0239087 Polk Tennessee
TENN
Lactuca biennis
APSC0091333 Jefferson Kentucky
APSC
Lactuca biennis
APSC0026095 Morgan Tennessee
APSC
Lactuca biennis
APSC0026093 Morgan Tennessee
APSC
Lactuca biennis
TENN-V-0239085 Knox Tennessee
TENN
Lactuca biennis
TENN-V-0239084 Jefferson Tennessee
TENN
Lactuca biennis
TENN-V-0239086 Morgan Tennessee
TENN
Lactuca biennis
APSC0026094 Morgan Tennessee
APSC
Lactuca biennis
First Page Previous Page Next Page Last Page
Records per Page:

Plant Photos

Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Dwayne Estes
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell
Lactuca biennis - Theo Witsell