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Family	Scientific Name	Common Name	Habitat	Distribution	Image
Asteraceae	Rudbeckia alismifolia	Rough Coneflower	Prairies, open woodlands.	MS west to AR, LA, and TX; disjunct in KY. Reported for se. OK, based on a 1999 herbarium specimen (Kelley 2023).
Asteraceae	Rudbeckia auriculata	Swamp Black-eyed Susan	Pitcherplant 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. AL
Asteraceae	Rudbeckia bicolor		Sandstone glades, other dry soils.
Asteraceae	Rudbeckia deamii	Deam's Coneflower	Along streams.	S. OH west through s. IN to s. IL.
Asteraceae	Rudbeckia fulgida	Common Eastern Coneflower	Dry to wet meadows.	NY and IL south to FL and AL.
Asteraceae	Rudbeckia graminifolia	Grassleaf Coneflower	Wet savannas, "wet prairies", bogs, cypress stringers	Endemic to the Apalachicola region, FL.
Asteraceae	Rudbeckia grandiflora	Largeflower Coneflower	Limestone glades and barrens.	MO and KS south to nw. LA and TX; disjunct in nw. GA (historical).
Asteraceae	Rudbeckia heliopsidis	Sunfacing Coneflower, Pineywoods Coneflower	Limestone or sandstone streambanks and barrens, pinelands, roadside relict woodlands.	VA south to GA and AL.
Asteraceae	Rudbeckia hirta var. angustifolia	Coastal Plain Black-eyed Susan	Longleaf pine woodlands, other dry sandy woodlands.	SC south to FL, west to TX.
Asteraceae	Rudbeckia hirta var. floridana	Florida Black-eyed Susan	Pastures, old fields, roadsides.	Endemic to FL peninsula.
Asteraceae	Rudbeckia hirta var. hirta	Woodland Black-eyed Susan	Fields, roadsides, woodlands.	ME and MI south to GA and MS.
Asteraceae	Rudbeckia hirta var. pulcherrima	Weedy Black-eyed Susan	Roadsides, fields.	NL (Newfoundland) and BC south to FL, TX, CA, and beyond.
Asteraceae	Rudbeckia laciniata var. bipinnata		Streambanks, seepages.	NH and NY south to DE, MD, PA, e. VA, and ne. NC.
Asteraceae	Rudbeckia laciniata var. digitata	Coastal Plain Cutleaf Coneflower	Seepage bogs, streamsides.	VA south to FL, west to LA.
Asteraceae	Rudbeckia laciniata var. heterophylla	Florida Coneflower	Streamsides.	Endemic (so far as is known) to Levy County, FL.
Asteraceae	Rudbeckia laciniata var. humilis	Blue Ridge Cutleaf Coneflower, Sochan	Seeps, bog edges, brookbanks, moist forests.	VA and KY south to NC.
Asteraceae	Rudbeckia laciniata var. laciniata	Common Cutleaf Coneflower, Goldenglow, Sochan	Moist forests, bottomlands, streambanks.	NB, ON, and MB south to FL and TX.
Asteraceae	Rudbeckia maxima	Giant Coneflower	Pinelands, 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.
Asteraceae	Rudbeckia missouriensis	Missouri Coneflower	Woodlands and openings.	KY, IL, MO, and OK south to LA and TX.
Asteraceae	Rudbeckia mohrii	Mohr's Coneflower	Wet pine savannas, wet flatwoods.	Ec. GA to Panhandle FL.
Asteraceae	Rudbeckia mollis	Woolly Coneflower	Longleaf pine / turkey oak sandhills.	SC south to n. peninsular FL, FL Panhandle, west to s. AL.
Asteraceae	Rudbeckia nitida	St. John's Black-eyed Susan	Wet pine savannas, adjacent roadsides.	E. GA and ne. FL south to c. peninsular FL, west to s. AL (Diamond 2016).
Asteraceae	Rudbeckia palustris	Seep Orange Coneflower	Seepages.	IL and MO south to e. and c. TX; apparently disjunct eastwards in e. TN and nw. GA.
Asteraceae	Rudbeckia scabrifolia	Roughleaf Coneflower	Hillside seepage bogs.	W. LA and e. TX.
Asteraceae	Rudbeckia spathulata		Bottomlands, bogs.	VA, WV, and TN south to FL and AL.
Asteraceae	Rudbeckia speciosa		Moist forests and woodlands.	QC and WI south to GA, AL, and AR.
Asteraceae	Rudbeckia subtomentosa	Sweet Coneflower	Moist 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.
Asteraceae	Rudbeckia sullivantii		{habitats}.	NY, MI, and MO south to PA, WV, and AR.
Asteraceae	Rudbeckia tenax	Glade Orange Coneflower	Calcareous glades, fields, and rocky woodlands.
Asteraceae	Rudbeckia terranigrae	Blackland Coneflower	Blackland prairies and perhaps other habitats.	Black Belt of AL and MS, and perhaps more widespread, the distribution currently poorly understood.
Asteraceae	Rudbeckia texana	Texas Coneflower	Coastal prairies, ditches, bayous.	W. LA and se. TX.
Asteraceae	Rudbeckia triloba var. beadlei	Chauncey's Coneflower	Seepy 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]).
Asteraceae	Rudbeckia triloba var. pinnatiloba	Pinnate-leaf Coneflower	Calcareous soils in wet savannas.	S. AL and Panhandle FL.
Asteraceae	Rudbeckia triloba var. rupestris	Blue Ridge Three-lobed Coneflower	Moist forests and rock outcrops.	A Southern Appalachian endemic: KY south to NC and TN.
Asteraceae	Rudbeckia triloba var. triloba	Common Three-lobed Coneflower	Moist 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).
Asteraceae	Rudbeckia truncata	Narrow-leaved Orange Coneflower	Calcareous bluffs and glades, sometimes in thin woodlands with red cedars.	C. and se. KY and e. TN, s. to nw. GA (Catoosa and Floyd counties), and potentially AL. Primarily southern Ridge and Valley and western edge of Cumberland Plateau.
Asteraceae	Rudbeckia umbrosa	Appalachian Coneflower	Rich calcareous slopes, bottomlands, well-drained uplands.	VA, OH, IN, and MO south to GA, MS, and AR.