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FamilyScientific Name Common NameHabitatDistributionImage
RosaceaeCrataegus aemulaRome HawthornUpland hardwood and pine-hardwood forests over sandstone, calcareous rock or circumneutral clay soils, uncommon but sometimes locally abundant.Nw. GA and ne. AL principally, disjunct in McCormick Co, SC.image of plant
RosaceaeCrataegus aestivalisEastern MayhawSwamp forests, generally where flooded for much of the year, often flowering and fruiting while standing in water, often associated with Taxodium distichum, Nyssa aquatica, Nyssa biflora, and Planera aquatica, uncommon but sometimes locally abundant; occasionally growing as groves or stands in ‘mayhaw flats’.Se. NC south to n. FL and se. AL. A historic report of C. aestivalis in VA appears to be based on a single specimen collected 22 July 1934 by M.L. Fernald & B. Long, in Princess Anne County; this specimen is actually C. crus-galli.image of plant
RosaceaeCrataegus alleghaniensisAllegheny HawthornUpland pine and pine-oak forests with clay soils.E. c. and ne. GA to c. and n. AL; reported from n. MS, e. TN, sw NC.image of plant
RosaceaeCrataegus apricaSunny HawthornUpland pine forests, pine-oak forests, mixed hardwood forests over rocky or sandy substrates, abandoned fields, roadsides.Se. VA and NC south to s. GA and n. FL, west to e. AL. This species is most common in the upper Piedmont and Southern Appalachians of NC and SC, and sporadic in the Coastal Plain.image of plant
RosaceaeCrataegus berberifolia var. berberifoliaBarberry HawthornMixed hardwood and pine forests.C. VA south to n. FL, west to TX, MO; most common in LA, s. AR, e. TX.image of plant
RosaceaeCrataegus berberifolia var. engelmanniiEngelmann's HawthornMixed hardwood and pine forests of uplands, usually in subxeric to xeric habitats, especially over basic to calcareous soils.Appears most common in MO and AR, mixed sporadically with the species eastward to e. TN, c. NC.image of plant
RosaceaeCrataegus brachyacanthaBlueberry HawthornOak flatwoods, bottomland forests, margins of prairies and saline barrens, pine flatwoods.LA, s. AR, se. OK, e. TX; one historic, disjunct record in sw. GA.image of plant
RosaceaeCrataegus buckleyiBuckley’s HawthornUpland pine and hardwood forests, rock outcrops.W. NC, w. SC, n. GA west to n. AL.image of plant
RosaceaeCrataegus calpodendronPear HawthornMixed hardwood forests, open slopes, wooded ravines, streamsides, especially over basic or calcareous rocks.NY w. to MN, s. to GA, OK. This species is relatively common in its generally northern range, uncommon in its southern range extensions in uplands from VA to MO, and rare in the Coastal Plain of GA, AL.image of plant
RosaceaeCrataegus coccineaScarlet HawthornDeciduous forest understories, pastures, upland thickets.ME w. to MN, s. to NC, OH. From its mostly northern range, this species is uncommon and sporadic in its southerly range extension on the Appalachian Plateau.image of plant
RosaceaeCrataegus collinaHillside HawthornHardwood and pine-oak forests of hills and valleys, brushy lands. C. collina occupies sub-xeric uplands in the Appalachian Region and is tolerant of lowland floodplains in GA, AL, TN.Sw. VA west to KS, south to c. GA, s. AL, c. MS, AR and OK.image of plant
RosaceaeCrataegus craytoniiCrayton HawthornWooded slopes, roadsides, streamsides.W. NC to n. GA, n. AL, possibly e. TN; an ambiguous record in New Kent County, VA.image of plant
RosaceaeCrataegus crus-galli var. crus-galliCockspur HawthornPastures, thickets, disturbed woodlands and forests, fencerows.Ranges throughout the eastern US, except c. and s. peninsular FL, sometimes forming extensive colonies.image of plant
RosaceaeCrataegus crus-galli var. pyracanthifoliaNarrowleaf Cockspur HawthornBottomland forests, swamp borders, lowlands, sometimes locally abundant.DE south to n. FL, west to MO, e. TX.image of plant
RosaceaeCrataegus disparAiken HawthornUpland pine or pine-oak forests under sub-xeric to xeric conditions, in well-drained clay or sandy soils.Nc. & sc. SC and adjacent e. GA; single sporadic collections known from Panhandle FL and ne. AL.image of plant
RosaceaeCrataegus ×dispermaTwo-seed HawthornUpland forests, pastures, brushy hillsides.PA west to IN, south in the Appalachians to VA and e. KY.
RosaceaeCrataegus dodgeiDodge HawthornMesic hardwood forests, streamside thickets, pastures.A northern species predominately of the Great Lakes Region east to CT, sporadic southward in the Appalachians to WV, VA, and nw. NC (Ashe County).image of plant
RosaceaeCrataegus ×flavaYellow HawthornDry woodlands.Uncertain owing to uncertainties in the concept and application of the name.image of plant
RosaceaeCrataegus incilisCutleaf Beautiful HawthornMixed pine and hardwood forests, wooded hills, rocky woods.Sw. GA and Panhandle FL, west to s. MS, north to ne. AL; locally abundant in the vicinity of lower Little River Canyon, AL and sporadically elsewhere in the known range.image of plant
RosaceaeCrataegus intricata var. boyntoniiBoynton’s HawthornUpland forest understories, pastures, rock outcrops, shrubby thickets.W. NC and n. SC west to n. GA.image of plant
RosaceaeCrataegus intricata var. intricataEntangled HawthornPastures, wooded hills, rock outcrops, thickets.VT to MI, IL, s. to GA, AR; relatively common in the Appalachian region.image of plant
RosaceaeCrataegus intricata var. biltmoreanaBiltmore HawthornWooded hills, rock outcrops, thickets.VT south to c. GA, west to AR, MO.image of plant
RosaceaeCrataegus iracunda var. iracundaForest HawthornSwamps, bottomlands, moist slopes, wooded hills, overall uncommon but sometimes locally abundant.C. MD and VA to SC, w. to s. AR, n. LA.image of plant
RosaceaeCrataegus lassa var. lassaSandhill HawthornPine forests, oak-pine scrub, upland scrublands, xeric woodlands, especially in deep sand and soils of rapid drainage.Central NC south to n. FL, west to s. AL.image of plant
RosaceaeCrataegus lepidaPygmy HawthornXeric, sandy soils of open pinelands, wiregrass-dominated roadsides and forest edges, oak-pine scrub.S. GA south to c. peninsular FLimage of plant
RosaceaeCrataegus macrospermaEastern HawthornMesic to subxeric hardwood forests, wooded slopes, rock outcrops, pastures, thickets, mountain balds and rocky summits.ME to MN, south to GA, AL, AR; C. macrosperma is widespread, particularly common in the Appalachians.image of plant
RosaceaeCrataegus margaretiae var. margaretiaeMargaret's HawthornMesic hardwood forests, streamside thickets, pastures.PA west to WI, IA, south to w. VA, MO {TN, w. VA}.
RosaceaeCrataegus marshalliiParsley Hawthorn, Parsley HawSwamps, alluvial forests, mesic to subxeric upland slopes over mafic or calcareous rocks.Se. VA south to c. peninsular FL, west to e. TX, and north in the interior to n. AL, sc. and w. TN, n. MS, s. IL, se. MO, se. OK.image of plant
RosaceaeCrataegus mendosaAlbertville HawthornMesic hardwood forests, mixed pine-hardwood forests, upland wooded hills over calcareous substrates and well-drained clays.Lower Piedmont and upper Coastal Plain of sc. SC, wc. GA, ne. and c. AL, and c. and s. MS.image of plant
RosaceaeCrataegus mollis var. mollisDowny HawthornMesic forests, alluvial forests, prairies, streamsides, wooded uplands over basic or calcareous soils.MI to e. ND, s. to AL, TX south to s. TX, e. to nw. GA; an occurrence of this species in the mountains of VA is atypical of the majority of the range, which is mostly Midwestern, west and southwest of the Appalachians.image of plant
RosaceaeCrataegus mundaDwarf Hawthorn, Neat HawthornLongleaf pine sandhills, other xeric or subxeric forests, scrublands, disturbed woodlands.C. NC south to n. FL, west to s. and c. AL.image of plant
RosaceaeCrataegus pallensPale-fruited HawthornSlopes and rock outcrops, especially over mafic substrates.Endemic to southern Appalachians: w. NC (Buncombe, Madison Cos), and perhaps in ne. AL, n. GA.image of plant
RosaceaeCrataegus phaenopyrumWashington HawthornMesic upland woodlands, floodplain forests, pastures, thickets, disturbed areas, sometimes locally abundant.Native range presumed to be PA south to SC, west to sw. MO, AR; also c. and s. AL s. to n. FL; naturalized populations originating from widespread cultivation may be involved in parts of this range, with additional expansions becoming evident.image of plant
RosaceaeCrataegus pruinosa var. pruinosaFrosted HawthornUpland hardwood forests, pastures, rock outcrops, mountain summits and balds, sometimes colonial or locally abundant.ME to WI, IA, s. to NC, TN, AR.image of plant
RosaceaeCrataegus punctataDotted HawthornHigh elevation forests, grassy balds, rock outcrops. C. punctata, often in company with C. macrosperma, comprises the majority of hawthorn forests, ‘orchards’, and thickets seen in the high elevations of the North Carolina Blue Ridge, in openings and disturbed northern hardwood and spruce-fir forests.E. Canada and ME west to MN, IA, south (mainly montane) to VA, WV, KY, NC and TN.image of plant
RosaceaeCrataegus sargentiiSargent's HawthornUpland forests, rocky woodlands, over calcareous or circumneutral substrates.W. GA, n. and c. AL, reported from c. MS and c. panhandle FL.image of plant
RosaceaeCrataegus schuetteiSchuette's HawthornMesic upland forests, thin woodlands, brushy fields, rock outcrops, sometimes locally abundant.Ranging predominately north of our area, in NH, NY, PA west to WI and n. IL, extending south in Appalachian Plateau to WV and w. NC (e. TN?), and south to MO and n. AR (?).image of plant
RosaceaeCrataegus sentaRough HawthornHardwood-pine forests, sandhill woodlands, scrubland, pastures.NC to s. GA, with outlier populations reported from n. FL, AL and LA. The type locality is Buncombe Co., NC, but this species has not been re-located there in recent times; it appears best represented in SC.image of plant
RosaceaeCrataegus spathulataLittlehip HawthornScrubland, pine-oak woodlands, bottomland forests, rocky uplands over mafic or calcareous substrates, oak savannas.Se. VA and c. NC south to panhandle FL, west to e. TX, north in the interior to c. TN, sw. MO, e. OK; sporadic in TN, sw. NC.image of plant
RosaceaeCrataegus succulenta var. succulentaFleshy HawthornRocky summits, mesic forests, upland pastures, especially over basic soil or mafic substrates.Widespread from eastern Canada and Great Lakes area to New England, s. from MN to n. MO, OH, PA, extending along the Appalachians in WV, VA and NC.image of plant
RosaceaeCrataegus trifloraThreeflower HawthornWooded ravines, mesic slopes, limestone outcrops, flatwoods, prairies.Nw. GA to n. MS, s. to s. AL, MS; disjunct populations in prairie sites of Houston Co, GA, c. LA, s. AR (possibly in se. TN?).image of plant
RosaceaeCrataegus unifloraOneflower HawthornThin woodlands, disturbed lands, roadsides, rock outcrops, often in xeric or sub-xeric conditions.NY to peninsular FL, w. to IL, MO, OK, e. TX.image of plant
RosaceaeCrataegus viridis var. viridisGreen Hawthorn, GreenhawSwamps, bottomland forests, alluvial woodlands, streamsides, wet flatwoods, and uplands where soils are often basic to calcareous.MD to n. FL, w. MO, c. TX; absent or rare on Appalachian Plateau.image of plant
RosaceaeCrataegus visendaBristol HawthornLongleaf pine sandhills, other upland pine and pine-oak forests, disturbed lands, wooded hills with clay or sandy soils, often in xeric or sub-xeric conditions.C. NC and nw. GA south to n. FL and s. AL.image of plant
RosaceaeCrataegus asheiAshe HawthornPrairies, hardwood forests, pine-hardwood flats, especially over calcareous clay soils.Core of range is central MS, where this species is locally common in Scott and Smith counties; sporadic in c. and s. AL, e. LA, se. AR (s. TN ?).image of plant
RosaceaeCrataegus harbisoniiHarbison’s HawthornHardwood forest understories, loess hills, calcareous woodlands.Endemic to c. and w. TN and currently known to be extant only in Davidson and Obion Counties, TN.image of plant
RosaceaeCrataegus lacrimataWeeping HawthornXeric, sandy soils, in scrublands and in association with sparse stands of Pinus clausa or Pinus palustris.Endemic to the western FL Panhandle; perhaps in adjacent sandhill scrub of ALimage of plant
RosaceaeCrataegus monogynaEnglish Hawthorn, One-seeded HawthornMesic soil.Native of Europe. Naturalized in northeastern US south to Fairfax County, VA.image of plant
RosaceaeCrataegus opacaWestern MayhawBottomlands, swampy forests, lowland depressions and wetland soils where flooded for periods of the year.E. TX to Escambia and Santa Rosa counties, FL (Kunzer et al. 2009).image of plant
RosaceaeCrataegus ×rufulaFlorida Mayhaw, Rufous MayhawFlatwoods ponds, river swamps.Sw. GA and adjacent Panhandle FL and s. AL.image of plant
RosaceaeCrataegus venustaRed Mountain HawthornRocky woodlands, brush, cutover forests.C. AL and Grundy County, TN.image of plant
RosaceaeCrataegus alabamensisAlabama HawthornUpland pine and pine-oak forests over clay soil.S. AL, reported from n. FLimage of plant
RosaceaeCrataegus florensMississippi HawthornPine and pine-oak forests, subxeric to mesic habitats with sandy or clay soils.E. NC south to n. FL, west to LA.image of plant
RosaceaeCrataegus raveneliiRavenel’s HawthornLongleaf pine sandhills, upland pine and pine-oak forests, rocky woodlands, xeric or subxeric habitats with sandy or well-drained clay soils.Se. NC s. to n. FL, w. to central AL.image of plant
RosaceaeCrataegus teresSmooth Alabama HawthornPine-oak forests, sandy woodlands.S. AL, possibly e. to GA.
RosaceaeCrataegus beataRochester HawthornPastures, thickets.A northern species, distributed from NY to WI, s. to OH; ? VA, NC, TN.image of plant
RosaceaeCrataegus brittoniiBritton's HawthornThinly forested hills and slopes, bluffs, rock outcrops, disturbed lands, roadsides, streamsides.Range apparently limited to sw. NC and adjacent NC Piedmont to c. SC, e. and n. GA.image of plant
RosaceaeCrataegus coccinioidesKansas Hawthorn, Broadleaf HawthornThin woodlands, prairies, scrubland, pastures.PA w. to IL, MO, se. KS, s. to KY, AR, OK. Reported from a single county in WV.image of plant
RosaceaeCrataegus compactaClustered HawthornRocky hardwood forests, mountain pastures.NY, ONT, and MI, south to w. VA, WV, OH. This northern species is known in VA from only 3 counties.image of plant
RosaceaeCrataegus furtivaAlbany HawthornUpland pine forests, pine-oak scrub, longleaf pine sandhills, disturbed woodlands, abandoned fields.Se. NC to c. AL, s. to peninsular FL.image of plant
RosaceaeCrataegus pruinosa var. gattingeriGattinger's HawthornHardwood and pine-hardwood woodlands, brush, pastures.PA to GA, west to MO, AR; extending south into the Coastal Plain in AL, MS, LA, and AR.image of plant
RosaceaeCrataegus holmesianaHolmes’s HawthornWoodland borders, pastures, brushy fencerows.Reported for WV; sporadic from ME to MN, s. to PA, IL.image of plant
RosaceaeCrataegus ignavaValley Head HawthornUpland pine and pine-oak forests, clay soils.Ec. SC to sw. GA, north to n. AL and n. GA.image of plant
RosaceaeCrataegus intricata var. fortunataYellow-fruited HawthornHardwood forest edges, rock outcrops, thickets.PA and WV; disjunct in w. NC (known in NC only from Chimney Rock Mountain in Rutherford County).image of plant
RosaceaeCrataegus intricata var. neobushiiBush HawthornWooded hills, pastures, thickets.Reported from w. NC and n. GA w. to AR, MO; more common in AR and MO.image of plant
RosaceaeCrataegus intricata var. rubellaLittle Red HawthornHardwood forests, rock outcrops, thickets.DE, MD, VA w. to MO, s. to GA, AL.image of plant
RosaceaeCrataegus intricata var. stramineaStraw-fruited HawthornWooded hills, thickets, disturbed forests.PA s. to n. GA, w. to OH, c. KY, ne. AL.image of plant
RosaceaeCrataegus lanceiLance’s HawthornUpland hills, hardwood-pine forests, scrubland, pastures.S. NC to e. GA, reported from sw. GA, n. peninsular FL and se. AL. Appears to have a core range in w. SC and ne. GA, sporadic elsewhere in a fragmented range that involves broad areas devoid of specimens.image of plant
RosaceaeCrataegus lassa var. colonicaBluffton HawthornOak-pine scrub and sandy uplands.Se. NC to n. FL, west to n. SC, e. GA.image of plant
RosaceaeCrataegus lassa var. integraLake Ella HawthornOak-pine scrub and sandy uplands.Central SC south to peninsular FL, west to s. and c. AL; the core range is peninsular FL and n. FL, where this entity is most common.image of plant
RosaceaeCrataegus lassa var. lanataLanate HawthornOak-pine scrub and sandy uplands.Se. NC to c. peninsular FL, west to n. GA, c. AL.image of plant
RosaceaeCrataegus lassa var. recurvaOcala HawthornOak-pine scrub and sandy uplands.Ec. NC to peninsular FL, west to s. AL; the core range is peninsular FL and n. FL, where this entity is most common.image of plant
RosaceaeCrataegus succulenta var. macracanthaLarge-spine HawthornRocky or mesic hardwood forests, upland pastures, clearings, shaley soils.Ranging across all of southern Canada and ME to OR, s. in mountainous uplands to AZ, NM, e. to KS, n. MO, sw. VA, ?NC; the most widely distributed hawthorn in North America.image of plant
RosaceaeCrataegus margaretiae var. browniiBrown's HawthornMesic to subxeric woodlands, thickets, pastures.Sporadic in VA, KY, MO, reported from WV, IN, PA.
RosaceaeCrataegus margaretiae var. angustifoliaNarrowleaf Margaret's HawthornWoodland margins, brush.S. MI and IN.
RosaceaeCrataegus ×mohriiMohr’s HawthornHardwood and pine-hardwood forest understories.Rare and sporadic from MS to GA, n. to TN.
RosaceaeCrataegus mollis var. meridionalisSouthern Downy HawthornPrairies, streamsides, scrubland.Rare and sporadic in central and s. AL and MS, primarily distributed in the Black Belt / Jackson Prairie ecoregion.image of plant
RosaceaeCrataegus pennsylvanicaPennsylvania HawthornMesic, open forests, alluvial forests.PA and OH, s. to c. WV; somewhat disjunct in sw. VA where it is apparently native; naturalizing near a cultivated specimen in Buncombe Co, NC.image of plant
RosaceaeCrataegus ×persimilisPlumleaf HawthornMesic, open forests, pastures.Of a fragmentary range, known from s. PA, c. and s. OH, n. and w. KY, sw VA, s. MO.image of plant
RosaceaeCrataegus pexaWoolly Dwarf HawthornLongleaf pine sandhills, other xeric or subxeric forests, pine and oak scrublands, and disturbed woodlands.Sc. NC south to n. FL, west to s. and c. AL; one population in Southampton County, VA (Lance 2014). This taxon is locally common in Cumberland County, NC.image of plant
RosaceaeCrataegus pruinosa var. dissonaNorthern Frosted HawthornUpland hardwood forests, brush, pastures, rock outcrops.PA to NC, w. to MO, se. OK.image of plant
RosaceaeCrataegus pruinosa var. parvulaSmall-leaf Frosted HawthornSparse woodlands, pastures.MA to MI, s. in Appalachians to w. VA, and NC (?).
RosaceaeCrataegus pruinosa var. rugosaWide-leaved Frosted HawthornRocky woodlands, upland forests, rock outcrops, mountain pastures.NY to WI, IA, s. to NC, TN, AR.image of plant
RosaceaeCrataegus quaesita var. egensSand Barren HawthornSandy scrublands, pine woodlands.S. SC to s. AL and peninsular FL.image of plant
RosaceaeCrataegus quaesita var. floridanaJacksonville HawthornOak-pine forests, sandy scrublands.Se. NC to c. GA, s. AL, s. to Panhandle and peninsular FL.image of plant
RosaceaeCrataegus quaesita var. quaesitaFlorida HawthornOak-pine forests, xeric woodlands, especially in sandy soils.S. GA, n. and peninsular FL.image of plant
RosaceaeCrataegus sororiaSister HawthornUpland disturbed forests, scrublands, roadsides.C. NC to n. AL, s. to n. FL.image of plant
RosaceaeCrataegus succulenta var. neofluvialisNew River HawthornRocky summits, mesic forests, streamsides, brushy fields.NC, VA, MO, VT (?); the core range appears to be the Blue Ridge of nw. NC and adjacent VA, but entire range is unclear due to scant records and ambiguous morphology.image of plant
RosaceaeCrataegus ×vailiaeVail’s HawthornPastures, woodlands, streambanks.VA and NC w. to MO, AR.
RosaceaeCrataegus ×oreophilaBalsam Mountain HawthornHigh elevation forests, balds.Endemic to central and western Great Balsam Mountains (Jackson, Haywood Counties, NC).
RosaceaeCrataegus ×canescensStern's MedlarWoodlands in the Grand Prairie.Apparently known only from Prairie County, AR.
RosaceaeCrataegus ouachitensisOuachita HawthornThickets along streams, rocky ridges and slopes.Endemic to the Ouachita Mountain region of AR.image of plant
RosaceaeCrataegus mollis var. lanuginosaWebb City HawthornDry, gravelly hills.Endemic (so far as is known) to Jasper County, MO. This entity has not been seen in many decades in its type locality and is presumed extirpated; it does survive in cultivation.image of plant
RosaceaeCrataegus mollis var. texanaTexas Downy HawthornRiverine woodlands, brushlands, prairies.MO, AR, TX, s. OK.image of plant
RosaceaeCrataegus mollis var. viburnifoliaViburnum-leaf HawthornBottomlands.Endemic in se. TX.image of plant
RosaceaeCrataegus mollis var. dumetosaMissouri Downy HawthornMesic woodlands, calcareous uplands, pastures.Known from IN, IL, MO and AR, reported from e. TX, ne. GA (specimens from Pocket Branch, Pigeon Mountain, GA attributable to this variety).image of plant
RosaceaeCrataegus ×fecundaSt. Clair HawthornRich forests.KY, s. IL, and MO south to ne. AR, along the Mississippi and Ohio Rivers
RosaceaeCrataegus ×levisConnecticut HawthornThin woodlands, scrubland.MA to NY, s. to OH, PA; reported from w. NC (Phipps 2014d).
RosaceaeCrataegus palmeriPalmer's HawthornHardwood and pine-hardwood forests, scrubland, brush.Sporadic from se. KS, e. OK, e. TX to AR, MO, and TN (?).image of plant
RosaceaeCrataegus pruinosa var. virellaHairy Frosted HawthornOpen woodlands, rocky uplands.NY to WI, s. to n. VA, OH; also in MO, AR, se. OK.image of plant
RosaceaeCrataegus pulcherrima var. pulcherrimaBeautiful HawthornHardwood and hardwood-pine forests, ravines, mesic slopes, sometimes locally abundant.W. GA and Panhandle FL, w. to LA and extreme e. TX; disjunct populations have been reported from Richmond and Burke Cos, GA and McCormick Co, SCimage of plant
RosaceaeCrataegus pulcherrima var. opimaBroad-leaved Beautiful HawthornHardwood and hardwood-pine forests, ravines, mesic slopes.Sw. GA, s. & c. AL, MS, e. TX.image of plant
RosaceaeCrataegus scabrida var. asperifoliaRough HawthornMesic hardwood forests, streamside thickets.A northern species predominantly of eastern Canada and the Great Lakes Region, east to NH; the var. asperifolia (Sargent) Kruschke is reported as disjunct for VA by Phipps (FNA9).
RosaceaeCrataegus ×spes-aestatumHope-of-SummersOpen woodlands, thickets, streambanks.S. IL to s. MO, historically near Mississippi River.
RosaceaeCrataegus nananixoniiNixon's Dwarf HawthornSandy soil in shortleaf pine and oak woodlands.Endemic to e. TX.image of plant
RosaceaeCrataegus ×lucorumGrove HawthornWoodlands, streambanks.Sporadic in NY, OH, IN, IL (w. VA?).
RosaceaeCrataegus jesupiiJesup's HawthornThickets, thin woodlands.CT, ON, MI,WI south to PA and OH.
RosaceaeCrataegus submollisQuebec HawthornScrubland, field margins, usually on calcareous substrates.E. Canada south to n. PA, n. MI, e. WI. This northern species is rare in our area but might be expected to locally spread from cultivation in OH, WV and MD. A MA form with 16-20mm fruit, larger than the typical 10-15mm fruit, was known in the Arnold Arboretum and promoted for cultivation in the early 1900's.image of plant
RosaceaeCrataegus ×abbreviataMoist lowlands, prairies.E. and coastal Texas.
RosaceaeCrataegus ×amicalisFriendly HawthornUpland woods.Sw. AR.
RosaceaeCrataegus ×anamesaAnamesa HawthornMoist lowlands, prairies.E. and coastal Texas.
RosaceaeCrataegus ×antimimaAntimina HawthornMoist lowlands, prairies.E. and coastal Texas.
RosaceaeCrataegus ×antiplastaAntiplasta HawthornMoist lowlands, prairies.E. and coastal Texas.
RosaceaeCrataegus ×atrorubensHybrid Red HawthornBottomland forests, upland woodlands, brush.S. IL, MO.
RosaceaeCrataegus austromontanaValley Head Hawthorn, Southern Mountain HawthornMountain woodlands, over sandstone or calcareous rock.N. AL, c. and se. TN?
RosaceaeCrataegus ×brazoriaBrazos River HawthornStream bottoms, brushy uplands.E. TX.
RosaceaeCrataegus ×collicolaHybrid Hill HawthornStreamsides, pastures, hillsides, open woodlands.W. VA, w. NC, west to KY, MO, n. AR.
RosaceaeCrataegus ×dallasianaDallas HawthornBrush, streamsides, fields.C. and e. TX, s. OK.
RosaceaeCrataegus ×danielsiiDaniel's HawthornLimestone glades, hillsides, brush.MO, ? n. AR.
RosaceaeCrataegus ×delawarensisDelaware HawthornBrushy areas.Endemic to DE.
RosaceaeCrataegus ×dispessaMonteer HawthornStreamsides, brushy woodlands.MO, AR.
RosaceaeCrataegus ×enucleataFulton Hybrid HawthornUpland woodlands.Sw. AR.
RosaceaeCrataegus frugiferansFruitful HawthornUpland, open woodlands, brushy areas.C. and s. GA, n. FL w. to AL, MS.image of plant
RosaceaeCrataegus ×harveyanaHarvey's HawthornRocky woodlands.Endemic to n. and c. AR.
RosaceaeCrataegus ×incaeduaUncut HawthornMoist woodlands, streamsides, rocky basins, openings.IN, KY w. to MO, AR.image of plant
RosaceaeCrataegus iracunda var. populneaPoplar HawthornMesic to subxeric woodlands, brush, pastures.NY w. to WI, s. to NC (n. SC?), TN, OH.image of plant
RosaceaeCrataegus ×lettermaniiLetterman's HawthornMesic woodlands, scrubland, pastures.Endemic of s. MO.
RosaceaeCrataegus ×keeslingiiSmall-leaf Ouachita HawthornBrushy woodlands, rocky ridges and slopes.Endemic to the Ouachita Mountain region of AR.image of plant
RosaceaeCrataegus ×nitidaShining HawthornAlluvial forests.S. IL, e. MO, e. AR.
RosaceaeCrataegus ×nothaMongrel HawthornGravelly hills in oak woodlands.Endemic to Hempstead County, AR; no collections since 1921 suggest this entity may be extinct.
RosaceaeCrataegus padifoliaCherry-leaf HawthornRocky woodlands, brushland, streamsides.S. MO, e. OK, AR.image of plant
RosaceaeCrataegus ×poliophyllaRosemary HawthornMoist woodlands, thickets.E. and coastal Texas.
RosaceaeCrataegus pruinosa var. magnifoliaBigleaf Frosted HawthornRocky woodlands, streamsides, chalk barrens.MO, ?AR.image of plant
RosaceaeCrataegus reverchoniiReverchon HawthornScrubland, prairie borders, streamsides.C. and e. TX, OK, se KS, sw MO, w AR, nw. LA.image of plant
RosaceaeCrataegus ×siccaDryland HawthornRocky woodlands, forest margins, roadsides, brushy fields.S. MO, s. OH, AR (?).image of plant
RosaceaeCrataegus ×stenosepalaNarrow-sepaled HawthornMoist woodlands, thickets.Se. and coastal Texas.
RosaceaeCrataegus ×sutherlandensisSutherland Springs HawthornStreamsides, thickets.Sc. TX.
RosaceaeCrataegus ×thermopegaeaHot Springs HawthornRocky woodlands, thickets.Endemic to AR; described from near Hot Springs, Garland Co.
RosaceaeCrataegus ×tripartitaThree-parted HawthornLowland woods.E. TX.
RosaceaeCrataegus ×verruculosaWarty HawthornForest edges, streamsides, pastures, scrubland.S. MO, possibly n. AR.
RosaceaeCrataegus viridis var. glabriusculaTexas Green HawthornAlluvial woodlands, streamsides, prairies, usually where soils are basic or calcareous.E. TX n. to s. OK, e. AR.image of plant
RosaceaeCrataegus viridis var. lanceolataLanceleaf Green HawthornMoist forests and woodlands, streamsides, calcareous uplands.SC to FL, w. to e. TX, AR; range sympatric with much of the typical variety of the species.image of plant
RosaceaeCrataegus viridis var. ovataRoundleaf Green HawthornAlluvial woodlands, moist, brushy fields, uplands in calcareous soils.MO s. to AR, n. LA, e. TX.image of plant
RosaceaeCrataegus viridis var. velutinaVelvety Green HawthornBottomland forests, field borders, moist to wet woodlands.MS, AR, n. LA, e. TX.image of plant

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