Category: Dicots
Family Name: Asteraceae

Achillea - [maps | photos]

• Achillea millefolium L.
  NWI R2 TN: Facultative Upland
  Common Name: common yarrow

Acmella - [maps | photos]

• Acmella repens (Walt.) Rich.
  NWI R2 TN: Facultative Wetland
  Common Name: oppositeleaf spotflower
  Synonyms:
  

         • Spilanthes americana (Mutis ex L. f.) Hieron. var. repens (Walt.) A.J.Moore.

         • Acmella oppositifolia (Lam.) R.K.Jansen var. repens R.K.Jansen

Ageratina - [maps | photos]

• Ageratina altissima (L.) R.M. King & H.E. Robins.
  NWI R2 TN: Facultative Upland -
  Common Name: white snakeroot
  Synonyms:
  

         • Eupatorium rugosum Houtt. var. roanense (Small) Fern.

         • Eupatorium roanense Small

         • Eupatorium rugosum Houtt.

         • Ageratum altissimum L., non Eupatorium altissimum L.

• Ageratina aromatica (L.) Spach
  Common Name: lesser snakeroot
  Synonyms:
  

         • Eupatorium aromaticum L.

• Ageratina luciae-brauniae (Fernald) R.M. King & H.E. Robins. (TN Threatened)
  Common Name: Lucy Braun's snakeroot
  Synonyms:
  

         • Eupatorium luciae-brauniae Fern.

Ambrosia - [maps | photos]

• Ambrosia artemisiifolia L.
  NWI R2 TN: Facultative Upland
  Common Name: annual ragweed

• Ambrosia bidentata Michx.
  Common Name: lanceleaf ragweed

• Ambrosia trifida L.
  NWI R2 TN: Facultative
  Common Name: great ragweed

Amphiachyris - [maps | photos]

• Amphiachyris dracunculoides (DC.) Nutt.
  Common Name: prairie broomweed
  Synonyms:
  

         • Gutierrezia dracunculoides (DC.) Blake

         • Xanthocephalum dracunculoides (DC.) Shinners

Antennaria - [maps | photos]

• Antennaria howellii Greene ssp. neodioica (Greene) R.J. Bayer (TN Special Concern)
  Common Name: Field Pussytoes

• Antennaria parlinii Fernald ssp. fallax (Greene) Bayer & Stebbins
  Common Name: Big-Head Pussytoes
  Synonyms:
  

         • Antennaria fallax Greene

• Antennaria parlinii Fernald ssp. parlinii
  Common Name: Big-Head Pussytoes
  Synonyms:
  

         • Antennaria nemoralis Greene

• Antennaria plantaginifolia (L.) Richardson
  Common Name: woman's tobacco, pussytoes

• Antennaria solitaria Rydb.
  Common Name: singlehead pussytoes

Anthemis - [maps | photos]

• Anthemis arvensis * L.
  Common Name: corn chamomile

• Anthemis cotula * L.
  NWI R2 TN: Facultative Upland -
  Common Name: stinking chamomile

Arctium - [maps | photos]

• Arctium minus * (Hill) Bernh.
  Common Name: lesser burrdock

Arnoglossum - [maps | photos]

• Arnoglossum atriplicifolia (L.) H.E. Robins.
  Common Name: pale Indian plaintain
  Synonyms:
  

         • Cacalia atriplicifolia L.

• Arnoglossum plantagineum Raf. (TN Threatened)
  NWI R2 TN: Facultative Upland
  Common Name: groovestem Indian plaintain
  Synonyms:
  

         • Cacalia plantaginea (Raf.) Shinners

• Arnoglossum reniforme (Hook.) H.E. Robins.
  Common Name: great Indian plaintain
  Synonyms:
  

         • Arnoglossum muehlenbergii (Schulz-Bip.) H.E. Robins.

         • Cacalia muehlenbergii (Schulz-Bip.) Fernald

Artemisia - [maps | photos]

• Artemisia absinthium * L.
  Common Name: absinthium

• Artemisia annua * L.
  NWI R2 TN: Facultative Upland
  Common Name: sweet sagewort

• Artemisia ludoviciana * Nutt.
  NWI R2 TN: Obligate Upland
  Common Name: white sagebrush

• Artemisia vulgaris * L.
  Common Name: common wormwood

Aster - [maps | photos]

• Aster tataricus * L.f.
  Common Name: Tatarian aster

Astranthium - [maps | photos]

• Astranthium integrifolium (Michx.) Nutt.
  Common Name: entireleaf western daisy
  Synonyms:
  

         • Bellis integrifolia Michx.

Baccharis - [maps | photos]

• Baccharis halimifolia L.
  Common Name: eastern baccharis

Bellis - [maps | photos]

• Bellis perennis * L.
  Common Name: lawn daisy

Bidens - [maps | photos]

• Bidens aristosa (Michx.) Britton
  NWI R2 TN: Facultative Wetland
  Common Name: bearded beggar ticks
  Synonyms:
  

         • Bidens polylepis S.F. Blake

         • Bidens polylepis S.F. Blake

• Bidens bipinnata L.
  Common Name: Spanish needles

• Bidens cernua L.
  NWI R2 TN: Obligate Wetland
  Common Name: nodding beggar tick

• Bidens discoidea (Torr. & A. Gray) Britton
  NWI R2 TN: Facultative Wetland
  Common Name: small beggar ticks

• Bidens frondosa L.
  NWI R2 TN: Facultative Wetland
  Common Name: devil's beggar tick

• Bidens laevis (L.) Britton, Sterns & Poggenb.
  Common Name: smooth beggartick

• Bidens tripartita * L.
  NWI R2 TN: Obligate Wetland
  Common Name: threelobe beggar ticks
  Synonyms:
  

         • Bidens comosa (Gray) Wieg.

• Bidens vulgata Greene
  Common Name: big devils beggar tick

Boltonia - [maps | photos]

• Boltonia asteroides (L.) L'Hér.
  NWI R2 TN: Facultative Wetland
  Common Name: white doll's daisy

• Boltonia diffusa Ell.
  NWI R2 TN: Facultative
  Common Name: smallhead doll's daisy

Bradburia - [maps | photos]

• Bradburia pilosa (Nutt.) Semple
  Common Name: soft golden aster
  Synonyms:
  

         • Chrysopsis pilosa Nutt.

         • Heterotheca pilosa (Nutt.) Shinners

Brickellia - [maps | photos]

• Brickellia eupatorioides (L.) Shinners
  Common Name: false boneset
  Synonyms:
  

         • Kuhnia eupatorioides L.

Carduus - [maps | photos]

• Carduus nutans * L.
  Common Name: nodding plumeless thistle

Centaurea - [maps | photos]

• Centaurea benedicta * (L.) L.
  Common Name: blessed thistle
  Synonyms:
  

         • Cnicus benedictus L.

• Centaurea cyanus * L.
  Common Name: garden cornflower

• Centaurea nigrescens * Willd.
  Common Name: Tyrol knapweed

• Centaurea solstitialis * L.
  Common Name: yellow star-thistle

• Centaurea stoebe * L.
  Common Name: spotted knapweed
  Synonyms:
  

         • Centaurea biebersteinii DC.

         • Centaurea maculosa auct. non Lam.

Chrysogonum - [maps | photos]

• Chrysogonum virginianum L. var. brevistolon G.L. Nesom (TN Threatened)
  Common Name: green and gold

Chrysopsis - [maps | photos]

• Chrysopsis mariana (L.) Ell.
  NWI R2 TN: Obligate Upland
  Common Name: Maryland golden aster
  Synonyms:
  

         • Heterotheca mariana (L.) Shinners

Cichorium - [maps | photos]

• Cichorium intybus * L.
  Common Name: chicory

Cirsium - [maps | photos]

• Cirsium altissimum (L.) Spreng.
  Common Name: tall thistle
  Synonyms:
  

         • Carduus altissimus L.

• Cirsium arvense * (L.) Scop.
  NWI R2 TN: Facultative Upland +
  Common Name: Canada thistle
  Synonyms:
  

         • Carduus arvensis (L.) Robson

• Cirsium carolinianum (Walter) Fernald & B.G. Schube
  Common Name: soft thistle
  Synonyms:
  

         • Carduus carolinianus Walt.

• Cirsium discolor (Muhl. ex Willd.) Spreng.
  Common Name: field thistle
  Synonyms:
  

         • Carduus discolor (Muhl. ex Willd.) Nutt.

• Cirsium horridulum Michx.
  NWI R2 TN: Facultative +
  Common Name: yellow thistle
  Synonyms:
  

         • Carduus spinosissimus Walt.

• Cirsium horridulum var. vittatum (Small) R.W. Long
  NWI R2 TN: Facultative +
  Common Name: yellow thistle
  Synonyms:
  

         • Cirsium vittatum (Small) Small

         • Carduus vittatus Small

• Cirsium muticum Michx.
  NWI R2 TN: Obligate Wetland
  Common Name: swamp thistle
  Synonyms:
  

         • Carduus muticus (Michx.) Pers.

• Cirsium vulgare * (Savi) Ten.
  NWI R2 TN: Facultative
  Common Name: bull thistle
  Synonyms:
  

         • Carduus vulgaris Savi

Conoclinium - [maps | photos]

• Conoclinium coelestinum (L.) DC.
  NWI R2 TN: Facultative
  Common Name: blue mistflower
  Synonyms:
  

         • Eupatorium coelestinum L.

Conyza - [maps | photos]

• Conyza canadensis (L.) Cronquist
  NWI R2 TN: Facultative Upland
  Common Name: Canadian horseweed
  Synonyms:
  

         • Erigeron canadensis L.

• Conyza ramosissima Cronquist
  Common Name: dwarf horseweed
  Synonyms:
  

         • Erigeron divaricatus Michx.

Coreopsis - [maps | photos]

• Coreopsis auriculata L.
  Common Name: lobed tickseed

• Coreopsis delphiniifolia Lam. (TN Endangered)
  Common Name: larkspurleaf tickseed

• Coreopsis grandiflora Hogg ex Sweet
  Common Name: largeflower tickseed

• Coreopsis lanceolata L.
  NWI R2 TN: Obligate Upland
  Common Name: lanceleaf tickseed

• Coreopsis latifolia Michx. (TN Endangered)
  Common Name: broadleaf tickseed

• Coreopsis major Walt.
  Common Name: greater tickseed

• Coreopsis pubescens Ell.
  NWI R2 TN: Facultative -
  Common Name: star tickseed

• Coreopsis tinctoria Nutt.
  NWI R2 TN: Facultative
  Common Name: golden tickseed

• Coreopsis tripteris L.
  NWI R2 TN: Facultative
  Common Name: tall tickseed

Cosmos - [maps | photos]

• Cosmos bipinnatus * Cav.
  NWI R2 TN: Facultative
  Common Name: garden cosmos

Crepis - [maps | photos]

• Crepis capillaris * (L.) Wallr.
  Common Name: smooth hawksbeard

• Crepis pulchra * L.
  Common Name: smallflower hawksbeard

• Crepis setosa * Haller f.
  Common Name: bristly hawksbeard

Doellingeria - [maps | photos]

• Doellingeria infirma (Michx.) Greene
  Common Name: cornel leaf whitetop
  Synonyms:
  

         • Aster infirmus Michx.

• Doellingeria umbellata (Mill.) Nees
  NWI R2 TN: Facultative Wetland
  Common Name: parasol whitetop
  Synonyms:
  

         • Aster umbellatus P. Mill.

Dracopis - [maps | photos]

• Dracopis amplexicaulis (Vahl) Cass.
  Common Name: clasping coneflower

Dyssodia - [maps | photos]

• Dyssodia papposa * (Vent.) Hitchc.
  Common Name: fetid marigold

Echinacea - [maps | photos]

• Echinacea pallida (Nutt.) Nutt. (TN Endangered)
  Common Name: pale purple coneflower

• Echinacea purpurea (L.) Moench
  Common Name: eastern purple coneflower

• Echinacea simulata R.L. McGregor (TN Threatened)
  Common Name: wavyleaf purple coneflower

• Echinacea tennesseensis (Beadle) Small (TN Threatened)  (Fed Delisted)
  Common Name: Tennessee purple coneflower
  Synonyms:
  

         • Echinacea angustifolia DC. var. tennesseensis (Beadle) Blake

Eclipta - [maps | photos]

• Eclipta prostrata (L.) L.
  NWI R2 TN: Facultative Wetland -
  Common Name: false daisy
  Synonyms:
  

         • Eclipta alba (L.) Hassk.

Elephantopus - [maps | photos]

• Elephantopus carolinianus Raeusch.
  NWI R2 TN: Facultative
  Common Name: Carolina elephants foot

• Elephantopus tomentosus L.
  Common Name: devil's grandmother

Erechtites - [maps | photos]

• Erechtites hieraciifolius (L.) Raf. ex DC
  NWI R2 TN: Facultative -
  Common Name: American burnweed

Erigeron - [maps | photos]

• Erigeron annuus (L.) Pers.
  NWI R2 TN: Facultative Upland
  Common Name: eastern daisy fleabane

• Erigeron philadelphicus L.
  NWI R2 TN: Facultative
  Common Name: Philadelphia fleabane

• Erigeron pulchellus Michx.
  NWI R2 TN: Facultative Upland +
  Common Name: robin's plantain

• Erigeron strigosus Muhl. ex Willd. var. calcicola J. Allison
  Common Name: glade fleabane

• Erigeron strigosus Muhl. ex Willd. var. strigosus
  NWI R2 TN: Facultative
  Common Name: prairie fleabane

Eupatorium - [maps | photos]

• Eupatorium album L.
  Common Name: white thoroughwort

• Eupatorium altissimum L.
  Common Name: tall thoroughwort

• Eupatorium capillifolium (Lam.) Small
  NWI R2 TN: Facultative Upland
  Common Name: dog fennel

• Eupatorium compositifolium * Walt.
  NWI R2 TN: Facultative -
  Common Name: yankee weed

• Eupatorium godfreyanum Cronquist (TN Special Concern)
  Common Name: Godfrey's thoroughwort

• Eupatorium hyssopifolium L.
  Common Name: hyssopleaf thoroughwort

• Eupatorium leucolepis (DC.) Torr. & A. Gray (TN Endangered)
  NWI R2 TN: Facultative Wetland +
  Common Name: justice weed

• Eupatorium perfoliatum L.
  NWI R2 TN: Facultative Wetland +
  Common Name: common boneset

• Eupatorium pilosum Walt.
  NWI R2 TN: Facultative Wetland
  Common Name: rough boneset
  Synonyms:
  

         • Eupatorium rotundifolium L. var. saundersii (Porter ex Britton) Cronq.

• Eupatorium rotundifolium L. var. ovatum (Bigelow) Torr.
  Common Name: roundleaf thoroughwort
  Synonyms:
  

         • Eupatorium rotundifolium L. ssp. ovatum (Bigelow) Montgomery & Fairbrothers p.p.

• Eupatorium rotundifolium L. var. rotundifolium
  NWI R2 TN: Facultative
  Common Name: roundleaf thoroughwort

• Eupatorium scabridum Ell.
  Common Name: scabrous roundleaf thoroughwort
  Synonyms:
  

         • Eupatorium rotundifolium L. var. scabridum (Ell.) A. Gray

• Eupatorium semiserratum DC.
  NWI R2 TN: Facultative Wetland -
  Common Name: smallflower thoroughwort

• Eupatorium serotinum Michx.
  NWI R2 TN: Facultative
  Common Name: lateflowering thoroughwort

• Eupatorium sessilifolium L.
  Common Name: Vasey's boneset

• Eupatorium torreyanum Short & R. Peter
  Common Name: laciniate-leaved thoroughwort

• Eupatorium vaseyi Porter
  Common Name: Vasey's boneset

• Eupatorium ×pinnatifidum Ell. [capillifolium x perfoliatum]

Eurybia - [maps | photos]

• Eurybia chlorolepis (Burgess) G.L. Nesom
  Common Name: mountain aster
  Synonyms:
  

         • Aster chlorolepis Burgess

         • Aster divaricatus L. var. chlorolepis (Burgess) Ahles

• Eurybia divaricata (L.) G.L. Nesom
  Common Name: white wood aster
  Synonyms:
  

         • Aster divaricata L.

• Eurybia hemispherica (Alexander) G.L. Nesom
  NWI R2 TN: Facultative Upland
  Common Name: southern prairie aster
  Synonyms:
  

         • Aster paludosus Aiton ssp. Hemisphericus (Alexander) Cronquist

• Eurybia macrophylla (L.) Cass.
  Common Name: bigleaf aster
  Synonyms:
  

         • Aster macrophyllus L.

• Eurybia saxicastellii (J.N. Campb. & M. Medley) G.L. Nesom (TN Endangered)
  Common Name: rockcastle aster
  Synonyms:
  

         • Aster saxicastellii J.N. Campbell & M. Medley

• Eurybia schreberi (Nees) G.L. Nesom (TN Special Concern)
  Common Name: Schreber's aster
  Synonyms:
  

         • Aster schreberi Nees

• Eurybia surculosa (Michx.) G.L. Nesom
  Common Name: creeping aster
  Synonyms:
  

         • Aster surculosus Michx.

Euthamia - [maps | photos]

• Euthamia graminifolia (L.) Nutt.
  NWI R2 TN: Facultative Wetland -
  Common Name: flat-top goldentop
  Synonyms:
  

         • Solidago graminifolia (L.) Salisb.

• Euthamia gymnospermoides Greene (TN Endangered)
  NWI R2 TN: Facultative
  Common Name: Texas goldentop
  Synonyms:
  

         • Solidago gymnospermoides (Greene) Fern.

• Euthamia leptocephala (Torr. & A. Gray) Greene ex Porter & Britton
  NWI R2 TN: Facultative Wetland -
  Common Name: bushy goldentop
  Synonyms:
  

         • Solidago leptocephala Torr. & A. Gray

Eutrochium - [maps | photos]

• Eutrochium fistulosum (Barratt) Lamont
  Common Name: trumpet weed
  Synonyms:
  

         • Eupatoriadelphus fistulosus (Barratt) King & H.E. Robins.

         • Eupatorium fistulosum Barratt

• Eutrochium maculatum (L.) Lamont
  Common Name: spotted joe pye weed
  Synonyms:
  

         • Eupatorium maculatum L.

         • Eupatoriadelphus maculatus (L.) King & H.E. Robins.

• Eutrochium purpureum (L.) Lamont
  NWI R2 TN: Facultative
  Common Name: sweetscented joe pye weed
  Synonyms:
  

         • Eupatorium purpureum L.

         • Eupatoriadelphus purpureus (L.) King & H.E. Robins.

• Eutrochium steelei (Lamont) Lamont
  Common Name: Steele's eupatorium
  Synonyms:
  

         • Eupatorium steelei Lamont

Facelis - [maps | photos]

• Facelis retusa * (Lam.) Schulz-Bip.
  Common Name: trampweed

Fleischmannia - [maps | photos]

• Fleischmannia incarnata (Walt.) R.M. King & H.E. Robins.
  NWI R2 TN: Facultative Upland +
  Common Name: pink thoroughwort
  Synonyms:
  

         • Eupatorium incarnatum Walt.

Gaillardia - [maps | photos]

• Gaillardia pulchella * Foug.
  Common Name: blanket flower

Galinsoga - [maps | photos]

• Galinsoga parviflora * Cav.
  Common Name: gallant-soldier

• Galinsoga quadriradiata * Ruiz & Pavón
  Common Name: shaggy-soldier
  Synonyms:
  

         • Galinsoga ciliata (Raf.) Blake

Gamochaeta - [maps | photos]

• Gamochaeta argyrinea G.L. Nesom
  Common Name: Silvery cudweed

• Gamochaeta pensylvanica (Willd.) Cabrera
  Common Name: Pennsylvania everlasting

• Gamochaeta purpurea (L.) Cabrera
  NWI R2 TN: Obligate Upland
  Common Name: spoonleaf purple everlasting
  Synonyms:
  

         • Gnaphalium purpureum L.

Gnaphalium - [maps | photos]

• Gnaphalium uliginosum * L.
  Common Name: marsh cudweed

Grindelia - [maps | photos]

• Grindelia lanceolata Nutt.
  Common Name: narrowleaf gum weed

• Grindelia squarrosa * (Pursh) Dunal
  NWI R2 TN: Facultative Upland
  Common Name: curlycup gum weed

Hasteola - [maps | photos]

• Hasteola suaveolens L. Pojark. (TN Special Concern)
  NWI R2 TN: Facultative Wetland
  Common Name: false Indian plaintain
  Synonyms:
  

         • Cacalia suaveolens L.

Helenium - [maps | photos]

• Helenium amarum (Raf.) H. Rock
  NWI R2 TN: Facultative Upland -
  Common Name: yellowdicks

• Helenium autumnale L.
  NWI R2 TN: Facultative Wetland
  Common Name: common sneezeweed

• Helenium brevifolium (Nutt.) Wood (TN Endangered)
  NWI R2 TN: Obligate Wetland
  Common Name: shortleaf sneezeweed

• Helenium flexuosum Raf.
  NWI R2 TN: Facultative Wetland
  Common Name: purplehead sneezeweed

Helianthus - [maps | photos]

• Helianthus angustifolius L.
  NWI R2 TN: Facultative +
  Common Name: swamp sunflower

• Helianthus annuus * L.
  NWI R2 TN: Facultative -
  Common Name: common sunflower

• Helianthus atrorubens L.
  Common Name: purpledisk sunflower

• Helianthus decapetalus L.
  NWI R2 TN: No Wetland Indicator
  Common Name: thinleaf sunflower

• Helianthus divaricatus L.
  Common Name: woodland sunflower

• Helianthus eggertii Small (TN Special Concern)
  Common Name: Eggert's sunflower

• Helianthus giganteus L.
  NWI R2 TN: Facultative Wetland
  Common Name: giant sunflower

• Helianthus glaucophyllus D.M. Sm. (TN Threatened)
  Common Name: whiteleaf sunflower

• Helianthus grosseserratus M. Martens
  NWI R2 TN: Facultative +
  Common Name: sawtooth sunflower

• Helianthus hirsutus Raf.
  Common Name: hairy sunflower

• Helianthus maximiliani Schrad.
  NWI R2 TN: Obligate Upland
  Common Name: Maximilian sunflower

• Helianthus microcephalus Torr. & A. Gray
  NWI R2 TN: No Wetland Indicator
  Common Name: small woodland sunflower

• Helianthus mollis Lam.
  Common Name: ashy sunflower

• Helianthus occidentalis Riddell (TN Special Concern)
  NWI R2 TN: Facultative Upland
  Common Name: fewleaf sunflower

• Helianthus petiolaris * Nutt.
  Common Name: prairie coneflower

• Helianthus silphioides Nutt.
  Common Name: rosinweed sunflower

• Helianthus smithii Heiser
  Common Name: Smith's sunflower

• Helianthus strumosus L.
  Common Name: paleleaf woodland sunflower

• Helianthus tuberosus L.
  NWI R2 TN: Facultative
  Common Name: Jerusalem artichoke

• Helianthus verticillatus Small (TN Endangered)  (Fed Candidate Species)
  NWI R2 TN: Obligate Wetland
  Common Name: whorled sunflower

• Helianthus ×laetiflorus Pers. (pro sp.) [pauciflorus x tuberosus]
  Common Name: cheerful sunflower

Heliopsis - [maps | photos]

• Heliopsis helianthoides (L.) Sweet
  Common Name: smooth oxeye

Heterotheca - [maps | photos]

• Heterotheca camporum (Greene) Shinners
  Common Name: lemon yellow false golden aster

• Heterotheca subaxillaris (Lam.) Britton & Rusby
  NWI R2 TN: Facultative Upland -
  Common Name: camphor weed

Hieracium - [maps | photos]

• Hieracium caespitosum * Dumort.
  Common Name: meadow hawkweed
  Synonyms:
  

         • Hieracium pratense Tausch

• Hieracium gronovii L.
  NWI R2 TN: Obligate Upland
  Common Name: queendevil

• Hieracium longipilum Torr. (TN Special Concern)
  Common Name: hairy hawkweed

• Hieracium paniculatum L.
  Common Name: Allegheny hawkweed

• Hieracium pilosella * L.
  Common Name: mouseear hawkweed

• Hieracium scabrum Michx. (TN Threatened)
  Common Name: rough hawkweed

• Hieracium venosum L.
  Common Name: rattlesnake weed

• Hieracium ×marianum Willd. (pro sp.) [gronovii x venosum]

Hypochaeris - [maps | photos]

• Hypochaeris radicata * L.
  Common Name: hairy catsear

Inula - [maps | photos]

• Inula helenium * L.
  Common Name: elecampane inula

Ionactis - [maps | photos]

• Ionactis linariifolia (L.) Greene
  Common Name: flaxleaf whitetop aster
  Synonyms:
  

         • Aster linariifolius L.

Iva - [maps | photos]

• Iva annua * L.
  NWI R2 TN: Facultative
  Common Name: annual marsh elder

• Iva ciliata * Willd.
  Common Name: Annual Sumpweed

Krigia - [maps | photos]

• Krigia biflora (Walt.) S.F. Blake
  NWI R2 TN: Facultative Upland
  Common Name: twoflower dwarf dandelion

• Krigia caespitosa (Raf.) K.L. Chambers
  NWI R2 TN: Facultative Upland +
  Common Name: weedy dwarf dandelion
  Synonyms:
  

         • Krigia oppositifolia Raf.

• Krigia dandelion (L.) Nutt.
  NWI R2 TN: Facultative Upland
  Common Name: potato dwarf dandelion

• Krigia montana (Michx.) Nutt. (TN Threatened)
  Common Name: mountain dwarf dandelion

• Krigia virginica (L.) Willd.
  NWI R2 TN: Facultative Upland -
  Common Name: Virginia dwarf dandelion

Lactuca - [maps | photos]

• Lactuca biennis (Moench) Fernald
  NWI R2 TN: Facultative Upland
  Common Name: tall blue lettuce

• Lactuca canadensis L.
  NWI R2 TN: Facultative Upland -
  Common Name: Canada lettuce

• Lactuca floridana (L.) Gaertn.
  NWI R2 TN: Facultative Upland
  Common Name: woodland lettuce

• Lactuca graminifolia Michx.
  Common Name: grassleaf lettuce

• Lactuca hirsuta Muhl. ex Nutt.
  Common Name: hairy lettuce

• Lactuca saligna * L.
  NWI R2 TN: Facultative Upland
  Common Name: willowleaf lettuce

• Lactuca serriola * L.
  NWI R2 TN: Facultative
  Common Name: prickly lettuce
  Synonyms:
  

         • Lactuca scariola L.

Lapsana - [maps | photos]

• Lapsana communis * L.
  Common Name: common nipplewort

Leontodon - [maps | photos]

• Leontodon saxatilis * Lam.
  Common Name: lesser hawkbit
  Synonyms:
  

         • Leontodon taraxacoides (Vill.) Merat

Leucanthemum - [maps | photos]

• Leucanthemum vulgare * Lam.
  Common Name: oxeye daisy
  Synonyms:
  

         • Chrysanthemum leucanthemum L.

Liatris - [maps | photos]

• Liatris aspera Michx.
  Common Name: tall blazing star

• Liatris cylindracea Michx. (TN Threatened)
  Common Name: Ontario blazing star

• Liatris microcephala (Small) K. Schum.
  Common Name: smallhead blazing star

• Liatris pilosa (Aiton) Willd. (TN Special Concern)
  Common Name: shaggy blazing star

• Liatris scariosa (L.) Willd
  Common Name: devil's bite

• Liatris spicata (L.) Willd.
  NWI R2 TN: Facultative Upland
  Common Name: dense blazing star

• Liatris squarrosa (L.) Michx.
  Common Name: scaly blazing star

• Liatris squarrulosa Michx.
  Common Name: Appalachian blazing star

Marshallia - [maps | photos]

• Marshallia grandiflora Beadle & F.E. Boynton (TN Endangered)
  NWI R2 TN: Facultative
  Common Name: Monongahela Barbara's buttons

• Marshallia obovata (Walt.) Beadle & F.E. Boynton (TN Endangered)
  Common Name: spoonshape Barbara's buttons

• Marshallia trinervia (Walt.) Trel. (TN Threatened)
  NWI R2 TN: Facultative Upland -
  Common Name: broadleaf Barbara's buttons

Matricaria - [maps | photos]

• Matricaria discoidea * DC.
  NWI R2 TN: Facultative Upland -
  Common Name: disc mayweed
  Synonyms:
  

         • Artemisia matricarioides auct. non Less.

Melanthera - [maps | photos]

• Melanthera nivea (L.) Small
  NWI R2 TN: Facultative Upland
  Common Name: snow squarestem
  Synonyms:
  

         • Melanthera hastata Michx.

Mikania - [maps | photos]

• Mikania scandens (L.) Willd.
  NWI R2 TN: Facultative Wetland +
  Common Name: climbing hemp vine

Nabalus - [maps | photos]

• Nabalus albus (L.) Hook. (TN Special Concern)
  Common Name: white snakeroot
  Synonyms:
  

         • Prenanthes alba L.

• Nabalus altissimus (L.) Hook.
  NWI R2 TN: Obligate Upland
  Common Name: tall rattlesnake root
  Synonyms:
  

         • Prenanthes altissima L.

• Nabalus asper (Michx.) Torr. & A. Gray (TN Endangered)
  NWI R2 TN: Obligate Upland
  Common Name: rough rattlesnake root
  Synonyms:
  

         • Prenanthes aspera Michx.

• Nabalus barbatus Torr. & A. Gray (TN Special Concern)
  Common Name: barbed rattlesnake root
  Synonyms:
  

         • Prenanthes barbata (Torr. & A. Gray) Milstead ex Cronquist

• Nabalus crepidineus (Michx.) A. DC. (TN Special Concern)
  NWI R2 TN: Obligate Upland
  Common Name: nodding rattlesnake root
  Synonyms:
  

         • Prenanthes crepidinea Michx.

• Nabalus roanensis Chickering
  Common Name: Roan Mountain rattlesnake root
  Synonyms:
  

         • Prenanthes roanensis (Chickering) Chickering

• Nabalus serpentarius (Pursh) Hook.
  Common Name: canker weed
  Synonyms:
  

         • Prenanthes serpentaria Pursh

• Nabalus trifoliolatus Cass.
  Common Name: gall of the earth
  Synonyms:
  

         • Prenanthes trifoliolata (Cass.) Fernald

Oclemena - [maps | photos]

• Oclemena acuminata (Michx.) Greene
  Common Name: whorled wood aster
  Synonyms:
  

         • Aster acuminatus Michx.

Packera - [maps | photos]

• Packera anonyma (Wood) Weber & A. Löve
  NWI R2 TN: Facultative Upland -
  Common Name: Small's ragwort
  Synonyms:
  

         • Senecio smallii Britton

         • Senecio anonymus Wood

• Packera aurea (L.) A. & D. Löve
  NWI R2 TN: Facultative Wetland
  Common Name: golden ragwort
  Synonyms:
  

         • Senecio aureus L.

• Packera crawfordii (Britton) A.M. Mahoney & R.R. Kowal (TN Endangered)
  Common Name: Crawford's Ragwort

• Packera glabella (Poir.) C. Jeffrey
  NWI R2 TN: Facultative Wetland +
  Common Name: butterweed
  Synonyms:
  

         • Senecio glabellus Poir.

• Packera obovata (Muhl. Ex Willd.) Weber & A. Löve
  NWI R2 TN: Facultative Upland
  Common Name: roundleaf ragwort
  Synonyms:
  

         • Senecio obovatus Muhl. Ex Willd.

• Packera paupercula (Michx.) A. & D. Löve
  Common Name: balsam groundsel
  Synonyms:
  

         • Senecio pauperculus Michx.

• Packera schweinitziana (Nutt.) Weber & A. Löve (TN Threatened)
  NWI R2 TN: Facultative Wetland
  Common Name: Schweinitz's ragwort
  Synonyms:
  

         • Senecio robbinsii Oakes ex Rusby

         • Senecio schweinitzianus Nutt.

Parthenium - [maps | photos]

• Parthenium integrifolium L. var. hispidum (Raf.) Mears
  Common Name: wild quinine

• Parthenium integrifolium L. var. integrifolium
  Common Name: wild quinine, feverfew

Picris - [maps | photos]

• Picris hieracioides * L.
  Common Name: hawkweed oxtongue

Pityopsis - [maps | photos]

• Pityopsis aspera (Shuttlw. ex Small) Small var. adenolepis (Fernald) Semple & F.D. Bowers
  Common Name: Carolina silkgrass
  Synonyms:
  

         • Chrysopsis adenolepis Fernald

• Pityopsis graminifolia (Michx.) Nutt. var. graminifolia
  Common Name: narrowleaf silk grass
  Synonyms:
  

         • Heterotheca graminifolia (Michx.) Shinners

         • Chrysopsis graminifolia (Michx.) Ell.

• Pityopsis graminifolia (Michx.) Nutt. var. latifolia (Fernald) Semple & F.D. Bowers
  Common Name: narrowleaf silkgrass
  Synonyms:
  

         • Chrysopsis graminifolia (Michx.) Ell. var. latifolia Fernald

• Pityopsis ruthii (Small) Small (TN Endangered)  (Fed Listed Endangered)
  Common Name: Ruth's golden aster
  Synonyms:
  

         • Heterotheca ruthii (Small) Harms

         • Chrysopsis ruthii Small

Pluchea - [maps | photos]

• Pluchea camphorata (L.) DC.
  NWI R2 TN: Facultative Wetland
  Common Name: camphor weed

Polymnia - [maps | photos]

• Polymnia canadensis L.
  Common Name: whiteflower leafcup

• Polymnia johnbeckii D. Estes (TN Endangered)
  Common Name: John Beck's Leafcup

• Polymnia laevigata Beadle
  Common Name: Tennessee leafcup

Pseudognaphalium - [maps | photos]

• Pseudognaphalium helleri (Britton) Anderb. (TN Special Concern)
  Common Name: Heller's cudweed
  Synonyms:
  

         • Gnaphalium helleri Britton

• Pseudognaphalium micradenium (Weath.) G. L. Nesom
  Common Name: Heller's cudweed
  Synonyms:
  

         • Gnaphalium helleri Britton var. micradenium (Weatherby) Mahler

• Pseudognaphalium obtusifolium (L.) Hilliard & Burtt
  Common Name: rabbit tobacco
  Synonyms:
  

         • Gnaphalium obtusifolium L.

Pyrrhopappus - [maps | photos]

• Pyrrhopappus carolinianus (Walt.) DC.
  Common Name: Carolina false dandelion

Ratibida - [maps | photos]

• Ratibida columnifera (Nutt.) Wooton & Standl.
  Common Name: upright prairie coneflower

• Ratibida pinnata (Vent.) Barnhart
  Common Name: pinnate prairie coneflower

Rudbeckia - [maps | photos]

• Rudbeckia fulgida Aiton var. fulgida
  NWI R2 TN: Facultative +
  Common Name: orange coneflower

• Rudbeckia fulgida Aiton var. umbrosa (C.L. Boynt. & Beadle) Cronquist
  NWI R2 TN: Facultative +
  Common Name: orange coneflower

• Rudbeckia hirta L. var. hirta
  NWI R2 TN: Facultative Upland
  Common Name: blackeyed Susan

• Rudbeckia hirta L. var. pulcherrima Farw.
  NWI R2 TN: Facultative Upland
  Common Name: blackeyed Susan

• Rudbeckia laciniata L. var. digitata (Mill.) Fiori
  NWI R2 TN: Facultative Wetland
  Common Name: cutleaf coneflower

• Rudbeckia laciniata L. var. laciniata
  NWI R2 TN: Facultative Wetland
  Common Name: cutleaf coneflower

• Rudbeckia subtomentosa Pursh (TN Threatened)
  NWI R2 TN: Facultative +
  Common Name: sweet coneflower

• Rudbeckia triloba L. var. beadlei (Small) Fernald (TN Endangered)
  NWI R2 TN: Facultative Upland -
  Common Name: browneyed Susan
  Synonyms:
  

         • Rudbeckia triloba L. var. pinnatiloba Torr. & A.Gray

• Rudbeckia triloba L. var. triloba
  NWI R2 TN: Facultative Upland -
  Common Name: browneyed Susan

Rugelia - [maps | photos]

• Rugelia nudicaulis Shuttlew. ex Chapman (TN Endangered)
  Common Name: Rugel's ragwort, Rugel's Indian plantain
  Synonyms:
  

         • Cacalia rugelia (Gray) Barkl. & Cronq.

         • Senecio rugelia Gray

         • Cacalia rugelia (Gray) Barkl. & Cronq.

         • Senecio rugelia Gray

Senecio - [maps | photos]

• Senecio vulgaris * L.
  NWI R2 TN: Facultative Upland
  Common Name: old-man-in-the-Spring

Sericocarpus - [maps | photos]

• Sericocarpus asteroides (L.) B.S.P.
  Common Name: toothed whitetop aster
  Synonyms:
  

         • Aster paternus Cronq.

• Sericocarpus linifolius (L.) B.S.P.
  Common Name: narrowleaf whitetop aster
  Synonyms:
  

         • Aster solidagineus Michx.

Silphium - [maps | photos]

• Silphium asteriscus L. var. asteriscus
  Common Name: starry rosinweed

• Silphium asteriscus L. var. latifolium (A. Gray) J.A. Clevinger
  Common Name: whorled rosinweed

• Silphium brachiatum Gattinger (TN Endangered)
  Common Name: Cumberland rosinweed

• Silphium compositum Michx.
  Common Name: kidneyleaf rosinweed

• Silphium glabrum Eggert ex small
  Common Name: wholeleaf rosinweed

• Silphium integrifolium Michx.
  Common Name: wholeleaf rosinweed

• Silphium laciniatum L. (TN Threatened)
  Common Name: compass plant

• Silphium mohrii Small
  Common Name: Mohr's rosinweed

• Silphium perfoliatum L.
  NWI R2 TN: Facultative +
  Common Name: cup plant

• Silphium pinnatifidum Ell. (TN Threatened)
  Common Name: tansy rosinweed
  Synonyms:
  

         • Silphium terebinthinaceum Jacq. var. pinnatifidum (Ell.) Gray

• Silphium terebinthinaceum Jacq.
  NWI R2 TN: Obligate Upland
  Common Name: prairie rosinweed

• Silphium trifoliatum L.
  Common Name: whorled rosinweed
  Synonyms:
  

         • Silphium asteriscus L. var. trifoliatum (L.) J.A. Clevinger

• Silphium wasiotense Medley (TN Endangered)
  Common Name: Appalachian rosinweed

Silybum - [maps | photos]

• Silybum marianum * (L.) Gaertn.
  Common Name: blessed milk thistle
  Synonyms:
  

         • Carduus marianus L.

Smallanthus - [maps | photos]

• Smallanthus uvedalius (L.) Mackenzie ex Small
  Common Name: hairy leafcup
  Synonyms:
  

         • Polymnia uvedalia (L.) L.

Solidago - [maps | photos]

• Solidago altissima L.
  NWI R2 TN: Facultative Upland
  Common Name: tall goldenrod
  Synonyms:
  

         • Solidago canadensis L. var. scabra Torr. & A. Gray

• Solidago arenicola B.R. Keener & Kral (TN Special Concern)
  Common Name: Southern racemose goldenrod

• Solidago arguta Aiton var. arguta
  Common Name: Atlantic goldenrod

• Solidago arguta Aiton var. boottii (Hook.) Palmer & Steyerm.
  NWI R2 TN: Obligate Upland
  Common Name: Boott's goldenrod

• Solidago arguta Aiton var. caroliniana A. Gray
  Common Name: Atlantic goldenrod

• Solidago auriculata Shuttlew. ex Blake (TN Threatened)
  Common Name: eared goldenrod

• Solidago austrina Small (TN Special Concern)
  NWI R2 TN: Obligate Wetland
  Common Name: Virginia goldenrod
  Synonyms:
  

         • Solidago gracillima Torr. & A.Gray

• Solidago bicolor L.
  Common Name: white goldenrod

• Solidago caesia L.
  NWI R2 TN: Facultative Upland
  Common Name: wreath goldenrod

• Solidago curtisii Torr. & A. Gray
  Common Name: mountain decumbent goldenrod
  Synonyms:
  

         • Solidago caesia L. var. curtisii (Torr. & A. Gray) Wood

• Solidago erecta Banks ex Pursh
  Common Name: showy goldenrod
  Synonyms:
  

         • Solidago speciosa Nutt. var. erecta (Pursh) MacM.

• Solidago faucibus Wieboldt (TN Special Concern)
  Common Name: gorge goldenrod

• Solidago flaccidifolia Small
  Common Name: mountain goldenrod

• Solidago flexicaulis L.
  NWI R2 TN: Facultative Upland
  Common Name: zigzag goldenrod

• Solidago gattingeri Chapman ex A.Gray (TN Endangered)
  Common Name: Gattinger's goldenrod

• Solidago gigantea Aiton
  NWI R2 TN: Facultative Wetland
  Common Name: giant goldenrod

• Solidago glomerata Michx.
  NWI R2 TN: Facultative
  Common Name: skunk goldenrod

• Solidago hispida Muhl. ex Willd.
  Common Name: hairy goldenrod

• Solidago juncea Aiton
  Common Name: early goldenrod

• Solidago lancifolia (Torr. & A. Gray) Chapman (TN Endangered)

• Solidago missouriensis Nutt. Var. fasciculata Holz.
  Common Name: Missouri goldenrod

• Solidago nemoralis Aiton
  Common Name: gray goldenrod

• Solidago odora Aiton
  Common Name: anisescented goldenrod

• Solidago patula Muhl. ex Willd.
  NWI R2 TN: Obligate Wetland
  Common Name: roughleaf goldenrod

• Solidago porteri Aiton (TN Endangered)
  Common Name: Porter's Goldenrod

• Solidago ptarmicoides (Torr. & A. Gray) B. Boivin (TN Endangered)
  Common Name: Upland White Aster
  Synonyms:
  

         • Aster ptarmicoides (Nees) Torr. & Gray

         • Oligoneuron album (Nutt.) Nesom

• Solidago puberula Nutt.
  NWI R2 TN: Facultative Upland
  Common Name: downy goldenrod

• Solidago racemosa Greene
  Common Name: sticky goldenrod
  Synonyms:
  

         • Solidago simplex Kunth var. racemosa (Greene) G.S. Ringius

• Solidago rigida L. ssp. glabrata (E.L. Braun) Heard & Semple
  Common Name: stiff goldenrod
  Synonyms:
  

         • Oligoneuron rigidum (L.) Small var. glabratum (E.L. Braun) Nesom

• Solidago rigida L. ssp. rigida
  NWI R2 TN: Facultative Upland
  Common Name: stiff goldenrod
  Synonyms:
  

         • Oligoneuron rigidum (L.) Small var. rigidum

• Solidago roanensis Porter
  Common Name: Roan Mountain goldenrod

• Solidago rugosa Mill. var. aspera (Aiton) Fernald
  NWI R2 TN: Facultative
  Common Name: wrinkleleaf goldenrod
  Synonyms:
  

         • Solidago rugosa Mill. ssp. aspera (Aiton) Cronquist

• Solidago rupestris Raf. (TN Endangered)
  Common Name: rock goldenrod

• Solidago speciosa Nutt. var. rigidiuscula Torr. & A. Gray
  Common Name: showy goldenrod

• Solidago speciosa Nutt. var. speciosa
  Common Name: showy goldenrod

• Solidago sphacelata Raf.
  Common Name: autumn goldenrod

• Solidago spithamaea M.A. Curtis (TN Endangered)  (Fed Listed Threatened)
  Common Name: Blue Ridge goldenrod

• Solidago tarda Mackenzie ex Small (TN Special Concern)
  Common Name: slow goldenrod

• Solidago ulmifolia Muhl. ex Willd.
  Common Name: elmleaf goldenrod

Soliva - [maps | photos]

• Soliva sessilis * Ruiz & Pavon
  NWI R2 TN: Facultative Upland -
  Common Name: field burr weed
  Synonyms:
  

         • Soliva pterosperma (Juss.) Less.

Sonchus - [maps | photos]

• Sonchus arvensis * L.
  NWI R2 TN: Obligate Upland
  Common Name: field sow thistle

• Sonchus asper * (L.) Hill
  NWI R2 TN: Facultative +
  Common Name: spiny sow thistle

• Sonchus oleraceus * L.
  NWI R2 TN: Facultative Upland
  Common Name: common sow thistle

Symphyotrichum - [maps | photos]

• Symphyotrichum concolor (L.) G.L. Nesom
  Common Name: eastern silver aster
  Synonyms:
  

         • Aster concolor L.

• Symphyotrichum cordifolium (L.) G.L. Nesom
  Common Name: common blue wood aster
  Synonyms:
  

         • Aster cordifolium L.

• Symphyotrichum drummondii (Lindl.) G.L. Nesom
  Common Name: Drummond's aster
  Synonyms:
  

         • Aster drummondii Lindl.

• Symphyotrichum dumosum (L.) G.L. Nesom
  NWI R2 TN: Facultative
  Common Name: rice button aster
  Synonyms:
  

         • Aster dumosus L.

• Symphyotrichum ericoides (L.) G.L. Nesom (TN Threatened)
  NWI R2 TN: Obligate Upland
  Common Name: bushy aster
  Synonyms:
  

         • Aster ericoides L.

• Symphyotrichum laeve var. concinnum
  Common Name: smooth blue aster
  Synonyms:
  

         • Aster laevis L. var. concinnus (Willd.) House

• Symphyotrichum laeve var. laeve
  Common Name: smooth blue aster
  Synonyms:
  

         • Aster laevis L. var. laevis

• Symphyotrichum lanceolatum (Willd.) G.L. Nesom
  NWI R2 TN: No Wetland Indicator
  Common Name: white panicle aster
  Synonyms:
  

         • Aster simplex Willd.

         • Aster lanceolatus Willd.

• Symphyotrichum lateriflorum (L.) A.&D. Löve
  NWI R2 TN: Facultative
  Common Name: calico aster
  Synonyms:
  

         • Aster lateriflorus (L.) Britton

• Symphyotrichum lowrieanus (Porter) G.L. Nesom
  Common Name: Lowrie's blue wood aster
  Synonyms:
  

         • Aster lowrieanus Porter

• Symphyotrichum novae-angliae (L.) G.L. Nesom
  NWI R2 TN: Facultative Wetland
  Common Name: New England aster
  Synonyms:
  

         • Aster novae-angliae L.

• Symphyotrichum oblongifolium (Nutt.) G.L. Nesom
  Common Name: aromatic aster
  Synonyms:
  

         • Aster oblongifolius Nutt.

• Symphyotrichum ontarionis (Wiegand) G.L. Nesom
  NWI R2 TN: Facultative
  Common Name: bottomland aster
  Synonyms:
  

         • Aster ontarionis Wieg.

• Symphyotrichum oolentangiense (Riddell) G.L. Nesom (TN Special Concern)
  Common Name: skyblue aster
  Synonyms:
  

         • Aster oolentangiensis Riddell

• Symphyotrichum patens (Aiton) G.L. Nesom
  Common Name: late purple aster
  Synonyms:
  

         • Aster patens Ait.

• Symphyotrichum phlogifolium (Muhl. ex Willd.) G.L. Nesom
  Common Name: phlox-leaved aster
  Synonyms:
  

         • Aster phlogifolius Muhl. ex Willd.

• Symphyotrichum pilosum (Willd.) G.L. Nesom
  NWI R2 TN: Facultative -
  Common Name: hairy white oldfield aster
  Synonyms:
  

         • Aster pilosus Willd.

• Symphyotrichum praealtum (Poir.) G.L. Nesom (TN Endangered)
  NWI R2 TN: Facultative Wetland -
  Common Name: willowleaf aster
  Synonyms:
  

         • Aster praealtus Poir.

• Symphyotrichum pratense (Raf.) G.L. Nesom (TN Endangered)
  Common Name: barrens silky aster
  Synonyms:
  

         • Aster pratensis Raf.

• Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom
  NWI R2 TN: Facultative
  Common Name: crookedstem aster
  Synonyms:
  

         • Aster prenanthoides Muhl. ex Willd.

• Symphyotrichum priceae (Britton) G.L. Nesom
  Common Name: lavender oldfield aster
  Synonyms:
  

         • Aster priceae Britton

         • Aster pilosus Willd. Var. priceae (Britton) Cronquist

• Symphyotrichum puniceum (L.) A.&D. Löve
  NWI R2 TN: Obligate Wetland
  Common Name: purplestem aster
  Synonyms:
  

         • Aster puniceus L.

• Symphyotrichum racemosum (Elliott) G.L. Nesom
  NWI R2 TN: Facultative
  Common Name: flexible aster

• Symphyotrichum retroflexum (Lindl. ex DC.) G.L. Nesom
  Common Name: rigid whitetop aster
  Synonyms:
  

         • Aster retroflexus Lindl. Ex DC.

         • Aster curtisii Torr. & Gray

• Symphyotrichum shortii (Lindl.) G.L. Nesom
  Common Name: Short's aster
  Synonyms:
  

         • Aster shortii Lindl.

• Symphyotrichum subulatum (Michx.) G.L. Nesom
  NWI R2 TN: Obligate Wetland
  Common Name: southern annual saltmarsh aster
  Synonyms:
  

         • Aster subulatus Michx. Var. ligulatus Shinners

• Symphyotrichum undulatum (L.) G.L. Nesom
  Common Name: waxyleaf aster
  Synonyms:
  

         • Aster undulatus L.

• Symphyotrichum urophyllum (DC.) G.L. Nesom
  Common Name: white arrowleaf aster
  Synonyms:
  

         • Aster urophyllus Lindl.

Tanacetum - [maps | photos]

• Tanacetum vulgare * L.
  Common Name: common tansy

Taraxacum - [maps | photos]

• Taraxacum erythrospermum * Andrz. ex Bess.
  Common Name: rock dandelion
  Synonyms:
  

         • Taraxacum laevigatum (Willd.) DC

• Taraxacum officinale * (L.) Weber ex F.H. Wigg.
  NWI R2 TN: Facultative Upland
  Common Name: dandelion

Tetragonotheca - [maps | photos]

• Tetragonotheca helianthoides L. (TN Endangered -Possibly Extirpated)
  Common Name: pineland nerveray

Tragopogon - [maps | photos]

• Tragopogon dubius * Scop.
  Common Name: yellow salsify, goatsbeard

• Tragopogon porrifolius * L.
  Common Name: goatsbeard

Tussilago - [maps | photos]

• Tussilago farfara * L.

Verbesina - [maps | photos]

• Verbesina alternifolia (L.) Britton ex Kearney
  NWI R2 TN: Facultative
  Common Name: wingstem

• Verbesina helianthoides Michx.
  Common Name: gravelweed

• Verbesina occidentalis (L.) Walt.
  NWI R2 TN: Facultative
  Common Name: yellow crownbeard

• Verbesina virginica L.
  NWI R2 TN: Facultative Upland
  Common Name: white crownbeard

Vernonia - [maps | photos]

• Vernonia flaccidifolia Small
  Common Name: Tennessee ironweed

• Vernonia gigantea (Walter) Trel.
  NWI R2 TN: Facultative +
  Common Name: giant ironweed
  Synonyms:
  

         • Vernonia altissima Nutt.

• Vernonia missurica Raf.
  NWI R2 TN: Facultative +
  Common Name: Missouri ironweed

• Vernonia noveboracensis (L.) Michx.
  NWI R2 TN: Facultative +
  Common Name: New York ironweed

Xanthium - [maps | photos]

• Xanthium strumarium L.
  NWI R2 TN: Facultative
  Common Name: rough cockleburr

Youngia - [maps | photos]

• Youngia japonica * (L.) DC.
  NWI R2 TN: Facultative Upland
  Common Name: oriental false hawksbeard
  Synonyms:
  

         • Crepis japonica (L.) Benth.