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FamilyScientific Name Common NameHabitatDistributionImage
AsteraceaeEupatorium albumWhite-bracted ThoroughwortDry woodlands.CT, NY, OH, and TN, south to FL and LA; disjunct in s. AR and n. LA (though many populations previously considered to be. E. album west of the Mississippi River are E. sullivaniae).image of plant
AsteraceaeEupatorium altissimumTall ThoroughwortWoodlands, old fields, woodland borders, and openings over mafic rocks (such as diabase) or calcareous rocks (such as limestone and calcareous sandstone).CT, NY, QC, MN, and NE, south to Panhandle FL and TX, primarily in the midwest, especially on limestone substrates, and uncommon east of the mountains.image of plant
AsteraceaeEupatorium anomalumAnomalous EupatoriumMoist savannas, coastal plain pondshores, moist interdune swales.NC (?) south to ne. FL, west to s. AL.image of plant
AsteraceaeEupatorium cannabinumHemp-agrimonyDisturbed areas; perhaps merely a waif or garden remnant.Native of Europe. The documentation for VA is an 1899 specimen from Fairfax County and a record from Westmoreland County.
AsteraceaeEupatorium capillifoliumCommon Dog-fennel, Yankeeweed, CypressweedDisturbed soils, old fields, clearcuts. This species, like E. compositifolium, is an excellent indicator of soil disturbance.CT, PA, KY, MO, and OK south to s. FL and TX; Bahamas; Cuba.image of plant
AsteraceaeEupatorium compositifoliumCoastal Dog-fennel, YankeeweedLongleaf pine sandhills, sandy disturbed areas, exposed riverbanks and drawdown zones.Ne. NC south to s. FL, west to se. OK and TX.image of plant
AsteraceaeEupatorium cordigerumClasping Roundleaf EupatoriumWoodlands.VA, NC, and SC west to AR and MS.image of plant
AsteraceaeEupatorium glaucescensWedgeleaf Eupatorium, Broadleaf Bushy EupatoriumLongleaf pine sandhills, dry sandy woodlands.Widespread in the Southeastern Coastal Plain, ranging from se. VA south to FL and west to MS.image of plant
AsteraceaeEupatorium godfreyanumGodfrey's EupatoriumDry woodlands.NJ, MD, and WV south through VA to nc. NC and TN, reaching its greatest abundance in wc. VA.image of plant
AsteraceaeEupatorium hyssopifoliumHyssopleaf EupatoriumWoodlands and oak savannas, roadbanks, pastures, fields, disturbed areas, over calcareous and acidic substrates.MA west to nc. KY, s. IN (S. Nmestnik, pers.comm., 2022), s.IL, se. MO, south to ne. FL and se. TX.image of plant
AsteraceaeEupatorium leptophyllumLimesink Dog-fennelLimesink depression ponds (dolines) in the outer Coastal Plain and clay-based Carolina bays in the inner Coastal Plain.Se. NC south to FL and west to s. GA and s. AL; Bahamas; Cuba.image of plant
AsteraceaeEupatorium leucolepisSavanna Eupatorium, JusticeweedPine savannas, seepage bogs, depression ponds.Primarily of the Southeastern Coastal Plain, ranging from NY south to n. peninsular FL, Panhandle FL, and west to LA; disjunct in Coffee County, TN (Chester, Wofford, & Kral 1997)image of plant
AsteraceaeEupatorium linearifoliumNarrowleaf Bushy Eupatorium, Twisted EupatoriumLongleaf pine sandhills.Se. VA south to FL and west to LA.image of plant
AsteraceaeEupatorium mikanioidesSemaphore ThoroughwortSaline and brackish flats, seasonally ponded freshwater wetlands, wet flatwoods, marl prairies.Endemic to FL, primarily in the peninsula, but also along the coast of the eastern Panhandle (Bay, Franklin, Gulf, Taylor, and Wakulla counties).
AsteraceaeEupatorium mohriiMohr's EupatoriumMoist pine savannas, other wet habitats.Se. VA south to s. FL and west to TX.image of plant
AsteraceaeEupatorium paludicolaBay BonesetPondcypress savannas, clay-based bays, and depression ponds.Endemic to s. NC and SC.image of plant
AsteraceaeEupatorium perfoliatumBonesetMarshes, swamps, bogs, wet pastures, and other wet habitats.NS west to MB, south to n. peninsular FL and TX.image of plant
AsteraceaeEupatorium petaloideumSnowy White EupatoriumLongleaf pine sandhills, Florida scrub, other dryish pinelands.GA south to FL, west to MS.image of plant
AsteraceaeEupatorium pilosumRagged EupatoriumLongleaf pine savannas, bogs, other wetlands, other moist areas, but also sometimes in surprisingly dry habitats, such as mesic and dry-mesic woodlands and woodland edges.MA south to c. peninsular FL, west to KY, c. TN, and MS; reports from w. LA need checking.image of plant
AsteraceaeEupatorium pubescensInland Roundleaf EupatoriumForests and woodlands, woodland edges, roadbanks.Primarily in the Appalachians and adjacent provinces, ranging from ME west to OH, south to n. GA, n. AL, AR and LA; the distribution, abundance, and phenology of E. pubescens need additional study because of frequent lumping with E. rotundifolium.image of plant
AsteraceaeEupatorium recurvansRecurved EupatoriumLongleaf pine sandhills, other dry, sandy habitats, moist savannas.Se. NC south to GA and s. FL.image of plant
AsteraceaeEupatorium resinosumResinous Boneset, Pinebarren EupatoriumSeepage bogs, beaver ponds, frequently burned streamhead pocosins, in the Sandhills and inner Coastal Plain of sc. NC.A "bimodal endemic," known from the NJ, DE (formerly), and NY (Long Island, formerly), thence disjunct to the Sandhills and upper Coastal Plain of NC and SC.image of plant
AsteraceaeEupatorium rotundifoliumCommon Roundleaf EupatoriumPine savannas, seepage bogs, moist to dry woodlands.MA, NY, IN, and OK south to s. FL and TX.image of plant
AsteraceaeEupatorium saltuenseTall Boneset, Pasture EupatoriumUpland forests, woodland borders, marsh edges.Known from e. and c. VA and NCimage of plant
AsteraceaeEupatorium scabridumRoughleaf EupatoriumPine savannas, wet pinelands, dry, gravelly oak savannas and probably oak-shortleaf pine savannas and open woodlands, powerlines, roadbanks (in grassland remnants).SC south to n. FL, west to AR, LA, and OK.image of plant
AsteraceaeEupatorium semiserratumSwamp forests, seepage bogs, savannas, clay-based Carolina bays, other wetlands.Se. VA south to ne. FL, Panhandle FL, west to TX and AR; disjunct in sc. TN.image of plant
AsteraceaeEupatorium serotinumLate EupatoriumInterdune swales, bottomland forests and openings, fields, open forests, powerline rights-of-way, tidal marshes, disturbed areas.MA, NY, MI, WI, MN, and NE south to s. FL, LA, and TX. A weedy species that has expanded in abundance and range; it was at one time apparently largely or strictly coastal in our area, but has spread inland rapidly along corridors of disturbance, somewhat similarly to Baccharis halimifolia.image of plant
AsteraceaeEupatorium sessilifolium var. brittonianumBritton's EupatoriumCircumneutral soils of woodlands at moderate elevations.NH and MN, south to NJ, PA, MD, w. NC, KY, and MO.image of plant
AsteraceaeEupatorium sessilifolium var. sessilifoliumSessile-leaf EupatoriumOpen upland woodlands and woodland borders, especially calcareous or mafic.S. NH west to se. MN, south to n. GA, n. AL, n. MS, n. AR, and e. KS.image of plant
AsteraceaeEupatorium torreyanumTorrey's EupatoriumDry woodlands, powerline rights-of-way, roadsides, marshes.NY south to n. peninsular FL, Panhandle FL, and west to OH, TN, and LA.image of plant
AsteraceaeEupatorium vaseyiVasey's EupatoriumMoist to dry woodlands and openings, fire-maintained woodlands over mafic rocks (such as diabase).Various interpretations of this taxon have led to confusions and uncertainties regarding its distribution; Schilling (2011) shows records for e. TN and sc. KY and a recent discovery on Crowley's Ridge in AR (Witsell, pers. comm., 2017) represent the only confirmed distribution, but it should be sought elsewhere.image of plant
AsteraceaeEupatorium subvenosumPine Barrens EupatoriumPine barrens, open woodlands.NY (Long Island) and NJ south to DE and DC.image of plant
AsteraceaeEupatorium lancifoliumLanceleaf EupatoriumPrairies, open woodlands.MS west to s. AR and e. TX.
AsteraceaeEupatorium ×pinnatifidumLacyleaf EupatoriumPine flatwoods, marshes.E. VA south to Panhandle FL.
AsteraceaeEupatorium sullivaniaeSullivan’s EupatoriumPinelands.S. MS west to w. LA and AR (to be expected in e. TX and perhaps se. OK).
AsteraceaeEupatorium fernaldiiFernald’s EupatoriumDry to mesic woodlands and roadbanks.Sw. NC, nw. SC, and ne. GA; perhaps more widespread.
AsteraceaeEupatorium species 1Tennessee EupatoriumForest.E. TN (Unicoi County).
AsteraceaeEupatorium maritimumMaritime ThoroughwortDune swales, other moist to wet areas on barrier islands.Apparently endemic in e. VA and e. NC.image of plant
AsteraceaeEupatorium ×truncatumTruncate EupatoriumMoist, open areas, ditches, roadsides.NY, MI, and IA, south to NC, AL, MS, and w. LA.

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