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FamilyScientific Name Common NameHabitatDistributionImage
AsteraceaeRudbeckia alismifoliaRough ConeflowerPrairies, open woodlands.MS west to AR, LA, and TX; disjunct in KY. Reported for se. OK, based on a 1999 herbarium specimen (Kelley 2023).image of plant
AsteraceaeRudbeckia auriculataSwamp Black-eyed SusanPitcherplant bogs, wet roadsides and powerline rights-of-way, seepages and along calcareous streams.Sw. GA and Panhandle FL (Walton County) west to nc. and s. ALimage of plant
AsteraceaeRudbeckia bicolorSandstone glades, other dry soils.
AsteraceaeRudbeckia deamiiDeam's ConeflowerAlong streams.S. OH west through s. IN to s. IL.image of plant
AsteraceaeRudbeckia fulgidaCommon Eastern ConeflowerDry to wet meadows.NY and IL south to FL and AL.image of plant
AsteraceaeRudbeckia graminifoliaGrassleaf ConeflowerWet savannas, "wet prairies", bogs, cypress stringersEndemic to the Apalachicola region, FL.
AsteraceaeRudbeckia grandifloraLargeflower ConeflowerLimestone glades and barrens.MO and KS south to nw. LA and TX; disjunct in nw. GA (historical).image of plant
AsteraceaeRudbeckia heliopsidisSunfacing Coneflower, Pineywoods ConeflowerLimestone or sandstone streambanks and barrens, pinelands, roadside relict woodlands.VA south to GA and AL.image of plant
AsteraceaeRudbeckia hirta var. angustifoliaCoastal Plain Black-eyed SusanLongleaf pine woodlands, other dry sandy woodlands.SC south to FL, west to TX.image of plant
AsteraceaeRudbeckia hirta var. floridanaFlorida Black-eyed SusanPastures, old fields, roadsides.Endemic to FL peninsula.
AsteraceaeRudbeckia hirta var. hirtaWoodland Black-eyed SusanFields, roadsides, woodlands.ME and MI south to GA and MS.image of plant
AsteraceaeRudbeckia hirta var. pulcherrimaWeedy Black-eyed SusanRoadsides, fields.NL (Newfoundland) and BC south to FL, TX, CA, and beyond.image of plant
AsteraceaeRudbeckia laciniata var. bipinnataStreambanks, seepages.NH and NY south to DE, MD, PA, e. VA, and ne. NC.image of plant
AsteraceaeRudbeckia laciniata var. digitataCoastal Plain Cutleaf ConeflowerSeepage bogs, streamsides.VA south to FL, west to LA.image of plant
AsteraceaeRudbeckia laciniata var. heterophyllaFlorida ConeflowerStreamsides.Endemic (so far as is known) to Levy County, FL.
AsteraceaeRudbeckia laciniata var. humilisBlue Ridge Cutleaf Coneflower, SochanSeeps, bog edges, brookbanks, moist forests.VA and KY south to NC.image of plant
AsteraceaeRudbeckia laciniata var. laciniataCommon Cutleaf Coneflower, Goldenglow, SochanMoist forests, bottomlands, streambanks.NB, ON, and MB south to FL and TX.image of plant
AsteraceaeRudbeckia maximaGiant ConeflowerPinelands, prairies, low areas in silty or sandy soils, also (eastwards) in disturbed areas (persistent from horticultural use).AR and se. OK south to LA and e. TX.image of plant
AsteraceaeRudbeckia missouriensisMissouri ConeflowerWoodlands and openings.KY, IL, MO, and OK south to LA and TX.image of plant
AsteraceaeRudbeckia mohriiMohr's ConeflowerWet pine savannas, wet flatwoods.Ec. GA to Panhandle FL.image of plant
AsteraceaeRudbeckia mollisWoolly ConeflowerLongleaf pine / turkey oak sandhills.SC south to n. peninsular FL, FL Panhandle, west to s. AL.image of plant
AsteraceaeRudbeckia nitidaSt. John's Black-eyed SusanWet pine savannas, adjacent roadsides.E. GA and ne. FL south to c. peninsular FL, west to s. AL (Diamond 2016).image of plant
AsteraceaeRudbeckia palustrisSeep Orange ConeflowerSeepages.IL and MO south to e. and c. TX; apparently disjunct eastwards in e. TN and nw. GA.image of plant
AsteraceaeRudbeckia scabrifoliaRoughleaf ConeflowerHillside seepage bogs.W. LA and e. TX.image of plant
AsteraceaeRudbeckia spathulataBottomlands, bogs.VA, WV, and TN south to FL and AL.image of plant
AsteraceaeRudbeckia speciosaMoist forests and woodlands.QC and WI south to GA, AL, and AR.image of plant
AsteraceaeRudbeckia subtomentosaSweet ConeflowerMoist to dry woodlands, prairies, disturbed areas.MI, IA, and OK south to nc. TN (Tennessee Flora Committee 2015), MS and TX; eastward as introductions or possibly disjuncts. Known for NC only from a single 1897 specimen from Hollow Rock, Orange Co. NC; probably an introduction.image of plant
AsteraceaeRudbeckia sullivantii{habitats}.NY, MI, and MO south to PA, WV, and AR.image of plant
AsteraceaeRudbeckia tenaxGlade Orange ConeflowerCalcareous glades, fields, and rocky woodlands.image of plant
AsteraceaeRudbeckia terranigraeBlackland ConeflowerBlackland prairies and perhaps other habitats.Black Belt of AL and MS, and perhaps more widespread, the distribution currently poorly understood.
AsteraceaeRudbeckia texanaTexas ConeflowerCoastal prairies, ditches, bayous.W. LA and se. TX.image of plant
AsteraceaeRudbeckia triloba var. beadleiChauncey's ConeflowerSeepy mafic or limestone cliffs.A Southern Appalachian endemic: sw. VA and KY south to w. NC and e. TN (allegedly also scattered in IL [Mohlenbrock 2014]).image of plant
AsteraceaeRudbeckia triloba var. pinnatilobaPinnate-leaf ConeflowerCalcareous soils in wet savannas.S. AL and Panhandle FL.
AsteraceaeRudbeckia triloba var. rupestrisBlue Ridge Three-lobed ConeflowerMoist forests and rock outcrops.A Southern Appalachian endemic: KY south to NC and TN.
AsteraceaeRudbeckia triloba var. trilobaCommon Three-lobed ConeflowerMoist forests and rock outcrops; locally common in black belt and Jackson prairies; very tolerant of disturbance and can be found in most mesic prairie soil sites, scattered elsewhere in disturbed areas.VT, ON, MN, and NE south to GA and TX; westward in CO and UT (presumably as introductions).image of plant
AsteraceaeRudbeckia truncataNarrow-leaved Orange ConeflowerCalcareous bluffs and glades, sometimes in thin woodlands with red cedars.
AsteraceaeRudbeckia umbrosaAppalachian ConeflowerRich calcareous slopes, bottomlands, well-drained uplands.VA, OH, IN, and MO south to GA, MS, and AR.image of plant

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