Atlas of the Flora of New England

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Excluded Taxa

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  Z


A

ACER PALMATUM Thunberg [no voucher found of a population established in the wild; reported from various counties in Connecticut, Massachusetts and Rhode Island] {Sapindaceae}

AEGILOPS CYLINDRICA Host [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Poaceae}

AGARISTA POPULIFOLIA (Lamarck) Judd [no specimen located; reported from Newport County, Rhode Island] {Ericaceae}

AGASTACHE RUGOSA (Fischer & C.A. Meyer) Kuntze [identity of voucher specimen from Barnstable County, Massachusetts at NEBC is in question] {Lamiaceae}

ALCHEMILLA MICANS Buser (A. GRACILIS misapplied) [no specimen located; reported from Maine] {Rosaceae}

AMARANTHUS DUBIUS Martius ex Thellung [no specimen located; reported from Massachusetts at a boat landing in Ann. Missouri Bot. Garden. 37:607 (1950) by J.D. Sauer, but no specimen cited] {Amaranthaceae}

AMBERBOA MOSCHATA (Linnaeus) de Candolle [no voucher found of a population established in the wild; reported from Maine] {Asteraceae}

AMMOPHILA ARENARIA (Linnaeus) Link [no specimen located; reported from Barnstable County, Massachusetts] {Poaceae}

AMPELOPSIS ACONITIFOLIA Bunge [no voucher found of a population established in the wild; reported from New London and Tolland Counties, Connecticut, and Massachusetts] {Vitaceae}

AMPELOPSIS HUMULIFOLIA Bunge [no specimen located; reported from Sufflok County, Massachusetts] {Vitaceae}

AMSINCKIA SPECTABILIS Fischer & C.A. Meyer [[voucher for this is misidentified specimen of AMSINCKIA MENZIESII (Lehmann) A. Nelson & J.F. Macbride; reported from Middlesex County, Massachusetts] {Boraginaceae}

ANTENNARIA ROSEA Greene subsp. PULVINATA (Greene) R.J. Bayer (A. PULVINATA Greene) [no specimen located; reported from Maine] {Asteraceae}

APERA INTERRUPTA P. Beauvois [no specimen located; reported from Hancock County, Maine and Hampshire and Worcester Counties, Massachusetts] {Poaceae}

ARABIS PROCURRENS Waldstein & Kitaibel [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Brassicaceae}

ARCTANTHEMUM ARCTICUM (Linnaeus) Tzvelev subsp. POLARE (Hultén) Tzvelev [no specimen located; reported from Massachusetts] {Asteraceae}

ARTEMISIA DRACUNCULUS Linnaeus (A. GLAUCA Pallas ex Willdenow var. DRACUNCULINA (S. Watson) Fernald) [no voucher found of a population established in the wild; reported from Essex and Wocester Counties, Massachusetts] {Asteraceae}

ARUNCUS DIOICUS (Walter) Fernald var. VULGARIS (Maximowicz) H. Hara [no voucher found of a population established in the wild; reported from Connecticut and Maine] {Rosaceae}

Asclepias tuberosa Linnaeus subsp. interior Woodson [no specimen located; reported from New London County, Connecticut] {Apocynaceae}

ASTRANTIA MAJOR Linnaeus [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Apiaceae}

ATRIPLEX MICRANTHA Ledebour (A. HETEROSPERMA Bunge ) [no specimen located; reported from Maine] {Amaranthaceae}

B

BALLOTA NIGRA Linnaeus var. ALBA (Linnaeus) Tinant [specimen at NEBC from New Haven County, Connecticut annotated as this taxon has been re-annotated to B. NIGRA subsp. FOETIDA] {Lamiaceae}

BECKMANNIA SZIGACHNE (Steudel) Fernald [no voucher found of a population established in the wild; reported from Cumberland County, Maine] {Poaceae}

BETULA PLATYPHYLLA Sukaczev (B. SZECHUANICA (C.K. Schneider) C.-A. Jansson) [identiy of the voucher specimen at GH from Sufflok County, Massachusetts is in question] {Betulaceae}

Betula X purpusii C.K. Schneider (B. alleghaniensis Britton X B. pumila Linnaeus) [voucher from Massachusetts has been re-identified as B. alleghaniensis Britton] {Betulaceae}

BOUTELOUA HIRSUTA Lagasca y Segura [vouchers for this from York County, Maine at NEBC and GH have been re-identidied as B. GRACILIS Lagasca y Segura ex Griffiths] {Poaceae}

BRICKELLIA GRANDIFLORA (Hooker) Nuttall [no specimen located; reported from Newport County, Rhode Island] {Asteraceae}

BRIZA MAXIMA Linnaeus [no voucher found of a population established in the wild; reported from Massachusetts] {Poaceae}

BROWALLIA AMERICANA Linnaeus (B. VISCOSA misapplied) [no voucher found of a population established in the wild; reported from New Haven County, Conneticut and Norfolk County, Massachusetts] {Solnaceae}

BUPLEURUM ODONTITES Linnaeus [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Apiaceae}

BUXUS SEMPERVIRENS Linnaeus [no voucher found of a population established in the wild; reported from Newport County, Rhode Island] {Buxaceae}

C

CALYSTEGIA SILVATICA (Kitaibel) Grisebach subsp. DISJUNCTA Brummitt [no specimen located; reported from Litchfield County, Connecticut] {Convolvulaceae}

CAMPANULA BONONIENSIS Linnaeus [report from Washington County, Maine is based on misidentified NEBC specimen of C. RAPUNCULOIDES Linnaeus] {Campanulaceae}

CAMPANULA LACTIFLORA M. von Bieberstein (GADELLIA LACTIFLORA (M. von Bieberstein) Schulkina) [no voucher found of a population established in the wild; reported from southern Coös County, New Hampshire] {Campanulaceae}

CAMPANULA LANATA Frivaldszky [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Campanulaceae}

CAREX COMPLANATA Torrey & Hooker [identification of voucher specimen is in question; reported from Oxford County, Maine] {Cyperaceae}

Carex crinita Lamarck var. porteri (Olney) Fernald [the status of this taxon is in question; reported from multiple counties in Maine and Addison and Chittenden Counties, Vermont] {Cyperaceae}

CAREX MEADII Dewey [reported in error from Rhode Island in Flora North America Editorial Committee (2002) (A. Reznicek, personal communication, 2006)] {Cyperaceae}

Carex microglochin Wahlenberg subsp. microglochin [no specimen located; reported from Penobscot County, Maine] {Cyperaceae}

Carex woodii Dewey (C. tetanica Schkuhr var. woodii (Dewey) Wood) [voucher specimens appear to be C. tetanica Schkuhr; reported from western Connecticut] {Cyperaceae}

Carex X helvola Blytt (pro species) [no specimen located; reported from Washington County, Maine] {Cyperaceae}

CARTHAMUS LANATUS Linnaeus [no voucher found of a population established in the wild; reported from Barnstable, Hampden and Hampshire Counties, Massachusetts] {Asteraceae}

CARYA LACINIOSA (F. Michaux) Loudon [no voucher found of a population established in the wild; reported from Massachusetts] {Juglandaceae}

CASTILLEJA EXSERTA (A. Heller) T.I. Chuang & Heckard subsp. EXSERTA [no voucher found of a population established in the wild; reported from Massachusetts] {Orobanchaceae}

CELOSIA ARGENTEA Linnaeus [no voucher found of a population established in the wild; reported from Fairfield and New London Counties, Connecticut, Suffolk County, Massachusetts and Caledonia County, Vermont] {Amaranthaceae}

Cenchrus tribuloides Linnaeus [no specimen located; reported from Fairfield County, Connecticut] {Poaceae}

CENTAUREA BOVINA Velenovský [no specimen located; reported from Massachusetts] {Asteraceae}

CENTAUREA PHRYGIA Linnaeus (C. AUSTRIACA Willdenow) [no voucher found of a population established in the wild; reported from Bennington County, Vermont] {Asteraceae}

CENTAUREA X PSAMMOGENA Gáyer (C. DIFFUSA Lamarck X C. STOEBE Linnaeus subsp. AUSTRALIS (Pančić ex A. Kerner) Greuter) [no specimen located; reported from Massachusetts] {Asteraceae}

CENTIPEDA MINIMA (Linnaeus) A. Braun & Ascherson [no voucher found of a population established in the wild; reported from Norfolk County, Massachusetts] {Asteraceae}

CERASTIUM VELUTINUM Rafinesque var. VELUTINUM [no specimen located; reported from Massachusetts] {Caryophyllaceae}

CERATOPHYLLUM MURICATUM Chamisso subsp. AUSTRALE (Grisebach) Les [the Massachusetts voucher has been re-identified as C. echinatum A. Gray] {Ceratophyllaceae}

CHAEROPHYLLUM TAINTURIERI Hooker [no specimen located; reported from Rhode Island] {Apiaceae}

CHENOPODIUM DESICCATUM A. Nelson [no specimen located; reported from several New England states under the synonym C. PRATERICOLA Rydberg var. OBLONGIFOLIUM (S. Watson) Wahl, but if vouchers exist under this name, they are probably misidentifications of typical C. PRATERICOLA] {Amaranthaceae}

CHENOPODIUM OPULIFOLIUM Schrader ex W.D.J. Koch & Ziz [no specimen located; reported from Massachusetts and Rhode Island in early 20th century literature] {Amaranthaceae}

CHENOPODIUM WATSONII A. Nelson [no specimen located; reported from York County, Maine] {Amaranthaceae}

CHIONODOXA LUCILIAE Boissier [no specimen located; reported from Hampshire and Worcester Counties, Massachusetts] {Asparagaceae}

CHRYSANTHEMUM INDICUM Linnaeus (included under this name by some is C. MORIFOLIUM Ramatuelle, thought to be a hybrid of C. INDICUM and perhaps several other species)[no specimen located; reported from Hampshire and Worcester Counties, Massachusetts] {Asteraceae}

CHRYSOGONUM VIRGINIANUM Linnaeus var. BREVISTOLON G.L. Nesom [no specimen located; reported from Newport County, Rhode Island] {Asteraceae}

CIRSIUM CANUM (Linnaeus) Allioni [no specimen located; reported from Middlesex Co., Massachusetts] {Asteraceae}

CLAYTONIA SIBIRICA Linnaeus [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Portulacaceae}

CLINOPODIUM MENTHIFOLIUM (Host) Stace subsp. ASCENDENS (Jordan) Govaerts [no specimen located; reported from Fairfield County, Connecticut] {Lamiaceae}

CLINOPODIUM NEPETA (Linnaeus) Kuntze subsp. GLANDULOSUM (Requien) Govaerts (C. CALAMINTHA (Linnaeus) Kuntze; SATUREJA CALAMINTHA (Linnaeus) Scheele subsp. GLANDULOSA (Requien) Briquet) [no specimen located; reported from Kent County, Rhode Island] {Lamiaceae}

COLEATAENIA LONGIFOLIA (Torrey) Soreng subsp. COMBSII (Scribner & C.R. Ball) Soreng (PANICUM LONGIFOLIUM Torrey var. COMBSII (Scribner & C.R. Ball) Fernald) [no specimen located; reported from Rhode Island] {Poaceae}

COLLINSONIA PUNCTATA Elliott (C. CANADENSIS var. PUNCTATA (Elliott) A. Gray) [no specimen located; report apparently based upon a misidentified specimen; reported from New London County, Connecticut] {Lamiaceae}

COLUTEA X MEDIA Willdenow (C. ARBORESCENS Linnaeus X C. ORIENTALIS Miller)[no specimen located; reported from Suffolk County, Massachusetts] {Fabaceae}

COMMELINA ERECTA Linnaeus [no specimen located; reported from Rhode Island] {Commelinaceae}

CONSOLIDA REGALIS Gray [no specimen located; reported from New Haven County, Connecticut] {Ranunculaceae}

CONVOLVULUS WALLICHIANUS Sprengel [no specimen located; reported from Aroostook County, Maine] {Convolvulaceae}

COREOPSIS PALMATA Nuttall [no specimen located; reported from Worcester County, Massachusetts] {Asteraceae}

CORISPERMUM AMERICANUM (Nuttall) Nuttall var. AMERICANUM [no specimen located; reported from Massachusetts] {Amaranthaceae}

CORNUS KOUSA Bürger ex Hance [no voucher found of a population established in the wild; reported from Fairfield County, Connecticut] {Cornaceae}

CORRIGIOLA LITORALIS Linnaeus [no specimen located; reported from Plymouth County, Massachusetts] {Molluginaceae}

CORTADERIA SELLOANA (Schultes & Schultes (son)) Ascherson & Graebner [no specimen located; reported from Newport County, Rhode Island] {Poaceae}

COTULA AUSTRALIS (Sieber ex Sprengel) Hooker (son) [no specimen located; reported from Maine and Suffolk County, Massachusetts] {Asteraceae}

CREPIS PANNONICA (Jacquin) K. Koch [no specimen located; reported from Connecticut] {Asteraceae}

CROTON HEPTALON (Kuntze) B.W. van Ee & P.E. Berry [no voucher found; reported from Suffolk County, Massachusetts] {Euphorbiaceae}

CUMINUM CYMINUM Linnaeus [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Apiaceae}

CUSCUTA CUSPIDATA Engelmann [no specimen located; reported from New Haven County, Connecticut] {Convolvulaceae}

CUSCUTA OBTUSIFLORA Kunth var. GLANDULOSA Engelmann [reported in error from three counties in Connecticut based on 1917 literature that used C. obtusiflora in the sense of Gray’s Manual of Botany, 7th edition, which is C. polygonorum Engelmann] {Convolvulaceae}

CYMOPTERIS GLOMERATUS (Nuttall) de Candolle [reported in error from Rockingham County, New Hampshire; report based on an article on this western species in Rhodora 107:359 (2005) confusing it with the report of a new record of Hibiscus moscheutos Linnaeus from Rockingham County, New Hampshire in the same issue.] {Apiaceae}

CYNOGLOSSUM GLOCHIDIATUM Wallich ex Bentham (C. WALLICHII G. Don var. GLOCHIDIATUM (Wallich ex Bentham) Kazmi) [no specimen located; reported adventive in a garden in Worcester County, Massachusetts] {Boraginaceae}

CYRTOMIUM FALCATUM (Linnaeus (son)) C. Presl (POLYSTICHUM FALCATUM (Linnaeus (son)) Diels) [no specimen located; reported from Connecticut] {Dryopteridaceae}

CYTISUS X PRAECOX Bean (C. MULTIFLORUS (L'Héritier) Sweet X ?) [no specimen located; reported from Plymouth County, Massachusetts] {Fabaceae}

D

DANTHONIA SERICEA Nuttall [based on a misidentified specimen that is D. spicata (Linnaeus) P. Beauvois ex Roemer & Schultes; reported from Worcester County, Massachusetts] {Poaceae}

DELPHINIUM GRANDIFLORUM Linnaeus [no voucher found of a population established in the wild; reported from Windsor Co., Vermont] {Ranunculaceae}

Dichanthelium polyanthes (Schultes) Mohlenbrock (Panicum polyanthes Schultes) [no specimen located; reported from southern Connectict and southeastern Massachusetts] {Poaceae}

DIODIA VIRGINIANA Linnaeus var. VIRGINIANA [no voucher found of a population established in the wild; reported from New Haven and New London Counties, Connecticut] {Rubiaceae}

DIPLOTAXIS ERUCOIDES (Linnaeus) de Candolle [no voucher found of a population established in the wild; reported from Massachusetts] {Brassicaceae}

DRABA LACTEA Adams (D. ALLENII Fernald) [no specimen located; reported with question from Mt. Katahdin, Maine] {Brassicaceae}

DRACOCEPHALUM MOLDAVICA Linnaeus [no voucher found of a population established in the wild; reported from Hartford County, Connecticut and Rutland County, Vermont] {Lamiaceae}

Dryas integrifolia Vahl subsp. integrifolia [no specimen located; reported from Coös County, New Hampshire] {Rosaceae}

E

ELAEAGNUS PUNGENS Thunberg [no voucher found of a population established in the wild; reported as waif in Plymouth County, Massachusetts] {Elaeagnaceae}

EPILOBIUM PARVIFLORUM Schreber [no specimen located; reported from Washington County, Vermont] {Onagraceae}

ERAGROSTIS HIRSUTA (Michaux) Nees [no voucher found of a population established in the wild; reported from Massachusetts and specimen on nursery property in Hartford County, Connecticut] {Poaceae}

EREMOCHLOA OPHIUROIDES (Munro) Hackel [no voucher found of a population established in the wild; reported from Franklin County, Massachusetts] {Poaceae}

ERODIUM LACINIATUM (Cavanilles) Willdenow var. BOVEI (Delile) Murbeck [no specimen located; reported in 1918 in wool waste in Middlesex County, Massachusetts] {Geraniaceae}

EUCHITON INVOLUCRATUS (G. Forster) Anderberg (GNAPHALIUM INVOLUCRATUM G. Forster) [no voucher found of a population established in the wild; reported from Hampshire County, Massachusetts] {Asteraceae}

EUONYMUS OBOVATUS Nuttall [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts on grounds of Arnold Arboretum] {Celastraceae}

EUONYMUS PHELLOMANUS Loesener [no voucher found of a population established in the wild; reported from Fairfield and New Haven Counties, Connecticut, and from Norfolk County, Massachusetts] {Celastraceae}

EUPATORIUM CAPILLIFOLIUM (Lamarck) Small [no specimen located; reported from Fairfield County, Connecticut and Massachusetts] {Asteraceae}

EUPHORBIA PUBENTISSIMA Michaux (E. COROLLATA Linnaeus var. MOLLIS Millspaugh) [voucher specimens are misidentified E. COROLLATA (typical); reported from Coös County, New Hampshire] {Euphorbiaceae}

EUPHORBIA SERPENS Kunth [no voucher found of a population established in the wild; reported from Belknap County, New Hampshire, and Vermont] {Euphorbiaceae}

EUPHORBIA SERPILLIFOLIA Persoon subsp. SERPILLIFOLIA [no voucher found of a population established in the wild; reported from New Hampshire] {Euphorbiaceae}

Euphrasia suborbicularis P.D. Sell & Yeo [no specimen located; reported from Aroostook and Hancock Counties, Maine] {Orobanchaceae}

Euphrasia X aequalis Callen (E. nemorosa (Persoon) Wettstein X E. tetraquetra (Brébisson) Arrondeau) [no specimen located; reported from Aroostook County, Maine] {Orobanchaceae}

EURYBIA SURCULOSA (Michaux) G.L. Nesom (ASTER SURCULOSA Michaux) [no specimen located; reported from Massachusetts and Connecticut] {Asteraceae}

F

FATOUA VILLOSA (Thunberg) Nakai [no voucher found of a population established in the wild; reported from New London County, Connecticut and Suffolk County, Massachusetts] {Moraceae}

FIMBRISTYLIS PUBERULA (Michaux) Vahl var. PUBERULA [voucher specimen from Barnstable Co., Massachusetts annotated by Bruce A. Sorrie and Ray Angelo has not been confirmed in the field; the specific locality given on the collection label does not exist] {Cyperaceae}

FLAVERIA TRINERVIA (Sprengel) C. Mohr [no specimen found; reported from Middlesex County, Massachusetts] {Asteraceae}

FORSYTHIA OVATA Nakai [no voucher found of a population established in the wild; reported from Rhode Island] {Oleaceae}

FROELICHIA ARIZONICA Thornber ex Standley [The voucher specimen from Suffolk Co., Massachusetts has been reidentified as FROELICHIA GRACILIS (Hooker) Moquin-Tandon.] {Amaranthaceae}

G

GAILLARDIA ARISTATA Pursh [no voucher found of a population established in the wild; reported from Connecticut, Massachusetts and New Hampshire] {Asteraceae}

GALIUM DIVARICATUM Pourret ex Lamarck [no voucher found of certain identity and of a population established in the wild; reported from Orleans County, Vermont] {Rubiaceae}

Galium pilosum Aiton var. puncticulosum (Michaux) Torrey & A. Gray [no specimen located; reported from Connecticut] {Rubiaceae}

GERANIUM AEQUALE (Babington) Aedo [no voucher found of a population established in the wild; reported from Barnstable and Norfolk Counties, Massachusetts, and Chittenden County, Vermont] {Geraniaceae}

GILIA CAPITATA Sims subsp. CAPITATA [no voucher found of a population established in the wild; reported from Caledonia County, Vermont] {Polemoniaceae}

GLANDULARIA X HYBRIDA (Grönland & Rümpler) G.L. Nesom & Pruski [no voucher found of a population established in the wild; reported from Nantucket County, Massachusetts] {Verbenaceae}

Gratiola virginiana L. var. virginiana [no specimen located; specimens at CONN from Connecticut have been found to be G. neglecta Torrey; older specimens use G. virginiana in the sense of Gray's Manual 7th ed. which included the common G. neglecta Torrey; reported more recently as seen on Block Island, Rhode Island ] {Plantaginaceae}

GYMNADENIA CONOPSEA (Linnaeus) R. Brown [no specimen located; reported from Litchfield County, Connecticut] {Orchidaceae}

GYPSOPHILA REPENS Linnaeus [no voucher found of a population established in the wild; specimen collected in 1900 from York Co., Maine (NEBC) has no habitat information] {Caryophyllaceae}

H

HELIANTHUS DEBILIS Nuttall subsp. DEBILIS [no specimen located; reported from Cumberland County, Maine] {Asteraceae}

HELIANTHUS HIRSUTUS Rafinesque [no specimen located; reported from Connecticut] {Asteraceae}

HELIANTHUS MICROCEPHALUS Torrey & A. Gray [no voucher found of a population established in the wild; reported from New London, County, Connecticut] {Asteraceae}

HELIANTHUS OCCIDENTALIS Riddell subsp. OCCIDENTALIS [no specimen located; reported from Massachusetts] {Asteraceae}

HESPEROSTIPA COMATA (Trinius & Ruprecht) Barkworth subsp. COMATA [no voucher found of a population established in the wild; reported from Providence County, Rhode Island] {Poaceae}

HORDEUM MARINUUM Hudson subsp. GUSSONEANUM (Parlatore) Thellung (H. GUSSONEANUM Parlatore; H. HYSTRIX Roth)[no specimen located; reported from Massachusetts] {Poaceae}

HYDRANGEA CINEREA Small [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] Hydrangeaceae}

HYPERICUM DOLABRIFORME Ventenat [no voucher found of a population established in the wild; only voucher is the type specimen for H. BISSELLII B.L. Robinson from Hartford County, Connecticut, which simply notes the road where it was found] {Hypericaceae}

I

ILEX AMBIGUA (Michaux) Torrey (ILEX MONTANA Torrey & A. Gray var. MOLLIS (A. Gray) Britton) [reported in error from Litchfield County, Connecticut, and Berkshire County, Massachusetts, based on native Ilex montana Torrey & A. Gray records] {Aquifoliaceae}

ILEX AQUIFOLIUM Linnaeus [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Aquifoliaceae}

ILEX CASSINE Linnaeus [no specimen located; reported from Grafton and Merrimack Counties, New Hampshire] {Aquifoliaceae}

ILLECEBRUM VERTICILLATUM Linnaeus [no voucher found of a population established in the wild; reported from Middlesex Co., Massachusetts] {Caryophyllaceae}

INULA SALICINA Linnaeus [no specimen located; reported from Essex County, Massachusetts] {Asteraceae}

IPOMOEA QUAMOCLIT Linnaeus [no voucher found of a population established in the wild; reported from Windsor County, Vermont] {Convolvulaceae}

IPOMOEA TRICOLOR Cavanilles [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Convolvulaceae}

IRIS ENSATA Thunberg (I. KAEMPFERI Siebold ex Lemaire) [no voucher found of a population established in the wild; reported from Windsor County, Vermont]

ISMELIA CARINATA (Schousboe) 'Bipontinus' Schultz [no specimen located; reported from Essex County, Massachusetts] {Asteraceae}

J

JUGLANS X BIXBYI Rehder (J. AILANTIFOLIA Carrière X J. cinerea Linnaeus) [no specimen located; reported from Franklin and Worcester Counties, Massachusetts] {Juglandaceae}

JUGLANS X QUADRANGULATA (Carrière) Rehder (J. cinerea Linnaeus X J. REGIA Linnaeus) [no specimen located; reported from eastern Massachusetts] {Juglandaceae}

K

KICKXIA SPURIA (Linnaeus) Dumortier [no specimen located; reported from Newport County, Rhode Island] {Plantaginaceae}

KOELREUTERIA PANICULATA Lamarck [no voucher found of a population established in the wild; reported from various counties in Connecticut and Massachusetts] {Sapindaceae}

Kyllinga brevifolia Rottbøll (Cyperus brevifolius (Rottbøll) Endlicher ex Hasskarl) [no voucher found of a population established in the wild; reported from Fairfield County, Connecticut] {Cyperaceae}

L

LABLAB PURPUREUS (Linnaeus) Sweet (DOLICHOS LABLAB Linnaeus) [no specimen located; reported from Worcester County, Massachusetts] {Fabaceae}

Lactuca floridana (Linnaeus) Gaertner [voucher has been re-identified as L. biennis (Moench) Fernald; reported from Barnstable County, Massachusetts] {Asteraceae}

LACTUCA SALIGNA Linnaeus [no specimen located; reported from Maine and Massachusetts]] {Asteraceae}

LAGENARIA SICERARIA (Molina) Standley [no voucher found of a population established in the wild; reported from Suffolk and Worcester Counties, Massachusetts] {Cucurbitaceae}

LAGURUS OVATUS Linnaeus [no voucher found of a population established in the wild; reported from Fairfield County, Connecticut]

LANDOLTIA PUNCTATA (G. Meyer) Les & D.J. Crawford (SPIRODELA OLIGORRHIZA (Kurz) Hegelmaier) [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Araceae}

LAPPULA CENCHRUSOIDES A. Nelson [no specimen located; reported from Connecticut and Massachusetts] {Boraginaceae}

LATHYRUS APHACA Linnaeus [no specimen located; reported from Berkshire and Suffolk Counties, Massachusetts] {Fabaceae}

LATHYRUS PANNONICUS (Jacquin) Garcke subsp. PANNONICUS [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Fabaceae}

LATHYRUS SATIVUS Linnaeus [no specimen located; reported from Middlesex County, Massachusetts] {Fabaceae}

LAVANDULA ANGUSTIFOLIA Miller [no voucher found of a population established in the wild; reported from Chittenden, Orleans and Windham Counties, Vermont] {Lamiaceae}

Lechea racemulosa Michaux [no specimen located; reported from Connecticut; a specimen at NY not examined by us collected in 2000 in a gravel quarry in Washington County, Maine, is deemed most likely to be misidentified as it is well outside the known range] {Cistaceae}

LEPIDIUM HIRTUM (Linnaeus) Smith [no specimen located; reported from Oxford County, Maine] {Brassicaceae}

Lepidium ramosissimum A. Nelson [no specimen located; reported from Maine] {Brassicaceae}

LIATRIS CYLINDRACEA Michaux [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Asteraceae}

LIATRIS SCARIOSA (Linnaeus) Willdenow var. NIEUWLANDII (Lunell) E.G. Voss (L. X NIEUWLANDII (Lunell) Gaiser) [no specimen located; reported from Connecticut and Rhode Island] {Asteraceae}

Limosella aquatica Linnaeus [no specimen located; reported from Oxford and Somerset Counties, Maine] {Plantaginaceae}

LINARIA ANGUSTISSIMA (Loiseleur-Deslongchamps) Borbás (L. ITALICA L.C. Treviranus) [no specimen located; NEBC specimen from Worcester County, Massachusetts is misidentified L. VULGARIS Miller] {Plantaginaceae}

LINARIA PINIFOLIA (Poiret) Thellung (L. RETICULATA (Smith) Desfontaines) [no voucher of certain identity located; according to Llorenç Sáez in the draft treatment of Linaria for the Flora of North America project, all specimens seen in North America labeled as this species appear to be L. MAROCCANA J.D. Hooker and none of the Fairfield County, Connecticut, collections of Eames (#9511) are L. PINIFOLIA (Sáez, personal communication)] {Plantaginaceae}

LITHOSPERMUM LATIFOLIUM Michaux [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Boraginaceae}

LOGFIA MINIMA (Smith) Dumortier (FILAGO MINIMA (Smith) Persoon) [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Asteraceae}

LONICERA ALPIGENA Linnaeus [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Caprifoliaceae}

LONICERA RETICULATA Rafinesque (L. PROLIFERA (G. Kirchner) Rehder) [no voucher found of a population established in the wild; reported from Hampshire, Middlesex and Worcester Counties, Massachusetts] {Caprifoliaceae}

LOTUS TENUIS Waldstein & Kitaibel ex Willdenow [no specimen located; reported as collected from Newport County, Rhode Island] {Fabaceae}

LUPINUS ANGUSTIFLORUS Eastwood [mistakenly listed in Maine checklist for L. ANGUSTIFOLIUS Linnaeus] {Fabaceae}

LUPINUS ANGUSTIFOLIUS Linnaeus [no specimen located; reported from Penobscot County, Maine] {Fabaceae}

LUPINUS NOOTKATENSIS Donn ex Sims var. NOOTKATENSIS [no specimen located; reported from northern New England] {Fabaceae}

Lycopodiella margueritae Rafinesque J.G. Bruce, W.H. Wagner & Beitel [no specimen located; reported from ] {Lycopodiaceae}

Lythrum lineare Linnaeus [no specimen located; reported from Fairfield County, Connecticut] {Lythraceae}

LYTHRUM VIRGATUM Linnaeus [report based on misidentified L. SALICARIA Linnaeus from Norfolk County, Massachusetts] {Lythraceae}

M

MALCOLMIA MARITIMA (Linnaeus) W.T. Aiton [no voucher found of a population established in the wild; reported from Coös, New Hampshire] {Brassicaceae}

MALUS HUPEHENSIS (Pampanini) Rehder [no specimen located; reported from Suffolk County, Massachusetts] {Rosaceae}

MALUS MANDSHURICA (Maximowicz) Komarov ex Juzepczuk [no specimen located; reported from Suffolk County, Massachusetts] {Rosaceae}

MAZUS MIQUELII Makino (M. REPTANS N.E. Brown) [no voucher found of a population established in the wild; reported from Fairfied County, Connecticut, Sagadahoc County, Maine, and Barnstable and Hampshire Counties, Massachusetts] {Mazaceae}

MELILOTUS ALTISSIMUS Thuillier [no specimen located; reported from Maine] {Fabaceae}

MIBORA MINIMA (Linnaeus) Desvaux [no voucher found of a population established in the wild; reported from Plymouth County, Massachusetts] {Poaceae}

MODIOLA CAROLINIANA (Linnaeus) G. Don [no voucher found of a population established in the wild; reported from Hampshire County, Massachusetts] {Malvaceae}

MONARDA PUNCTATA Linnaeus var. PUNCTATA [no voucher found of a population established in the wild; reported from various counties in Massachusetts and Vermont] {Lamiaceae}

MYOSOTIS DISCOLOR Persoon (M. VERSICOLOR (Persoon) Smith) [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Boraginaceae}

N

NAVARRETIA INTERTEXTA (Bentham) Hooker subsp. PROPINQUA (Suksdorf) A.G. Day [no voucher found of a population established in the wild; reported from Massachusetts] {Polemoniaceae}

NELUMBO NUCIFERA Gaertner [no specimen located; reported from Massachusetts] {Nelumbonaceae}

NICOTIANA X SANDERAE W. Watson (pro species) (N. ALATA Link & Otto X N. FORGETIANA Sander) [no voucher found of a population established in the wild; reported from Norfolk County, Massachusetts] {Solanaceae}

O

OENOTHERA ELATA Kunth subsp. HIRSUTISSIMA (A. Gray ex S. Watson) W. Dietrich [no specimen located; reported from southern New England] {Onagraceae}

OENOTHERA FILIFORMIS (Small) W.L. Wagner & Hoch [no specimen located; reported from Hartford County, Connecticut, and Plymouth County, Massachusetts] {Onagraceae}

ONOBRYCHIS VICIIFOLIA Scopoli [no voucher found of a population established in the wild; reported from Norfolk County, Massachusetts, and Caledonia and Chitteneden Counties, Vermont] {Fabaceae}

ORIGANUM MAJORANA Linnaeus [no voucher found of a population established in the wild; reported from Essex, Suffolk and Worcester Counties, Massachusetts] {Lamiaceae}

OROBANCHE MINOR Smith [no voucher found of a population established in the wild; reported from Caledonia County, Vermont] {Orobanchaceae}

OXALIS INTERMEDIA A. Richard [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Oxalidaceae}

P

PAPAVER ARGEMONE Linnaeus [no specimen located; reported from Connecticut] {Papaveraceae}

PARIETARIA FLORIDANA Nuttall [NEBC specimen from New Hampshire identified as this is misidentified] {Urticaceae}

PARIETARIA HESPERA B.D. Hinton var. HESPERA [labels of the NEBC and GH specimens from New Hampshire are likely the result of a mixup of labels; P. HESPERA is native to the deserts of the southwestern United States and northwestern Mexico.] {Urticaceae}

PARONYCHIA FASTIGIATA (Rafinesque) Fernald var. NUTTALLII (Small) Fernald [no specimen located; reported from Sagadohoc Co., Maine] {Caryophyllaceae}

PENSTEMON BARBATUS (Cavanilles) Roth var. BARBATUS [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Plantaginaceae}

PEREZIA MULTIFLORA (Bonpland) Lessing subsp. SONCHIFOLIA (Baker) Vuilleumier (P. ALETES J.F. Macbride) [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Asteraceae}

PERSICARIA CHINENSIS (Linnaeus) H. Gross [no specimen located; reported from Massachusetts] {Caryophyllaceae}

PETASITES JAPONICUS (Siebold & Zuccarini) Maximowicz [no voucher found of a population established in the wild; reported from York County, Maine] {Asteraceae}

PHACELIA CAMPANULARIA A. Gray subsp. CAMPANULARIA [no specimen located; reported from Suffolk County, Massachusetts] {Boraginaceae}

PHACELIA LINEARIS (Pursh) Holzinger [no voucher found of a population established in the wild; reported from Hartford County, Connecticut, and Hancock County, Maine] {Boraginaceae}

PHACELIA PURSHII Buckley [no voucher found of a population established in the wild; reported from New Haven County, Connecticut, and Providence County, Rhode Island] {Boraginaceae}

PHACELIA TANACETIFOLIA Bentham [no voucher found of a population established in the wild; reported from Hancock County (Mt. Desert Island), Maine, and Middlesex and Worcester Counties, Massachusetts] {Boraginaceae}

PHACELIA VISCIDA (Bentham ex Lindley) Torrey [no specimen located; reported from Middlesex County, Connecticut] {Boraginaceae}

Phemeranthus teretifolius (Pursh) Rafinesque [no specimen located; reported from Connecticut] {Montiaceae}

PHLOX DRUMMONDII Hooker subsp. DRUMMONDII [no voucher found of a population established in the wild; reported from New London County, Connecticut, and Caledonia County, Vermont] {Polemoniaceae}

PHLOX LATIFOLIA Michaux (PHLOX OVATA misapplied) [no specimen located; reported from Berkshire County, Massachusetts] {Polemoniaceae}

PHYSALIS MISSOURIENSIS Mackenzie & Bush [no specimen located; reported from Massachusetts] {Solanaceae}

PHYSALIS PUBESCENS Linnaeus var. INTEGRIFOLIA (Dunal) Waterfall [specialist in this genus has found no New England vouchers (Dr. Janet Sullivan, pers. comm.). Vouchers with this name or misapplied “P. PRUINOSA” are likely to be P. grisea (Waterfall) M. Martínez] {Solanaceae}

PICEA PUNGENS Engelmann [no specimen located; reported from Maine] {Pinaceae}

PIERIS FLORIBUNDA (Pursh) Bentham & Hooker (son) [no voucher found of a population established in the wild; reported from Windham County, Vermont] {Ericaceae}

PINELLIA TERNATA (Thunberg) Makino ex Breitenbach [no voucher found of a population established in the wild; reported from Windham County, Connecticut] {Araceae}

PLAGIOBOTHRYS HISPIDULUS (Greene) I.M. Johnston [no specimen found; reported from York County, Maine, and Middlesex County, Massachusetts. The voucher for the Middlesex County, Massachusetts, report has been identified as P. RETICULATUS (Piper) I.M. Johnston.] {Boraginaceae}

PLAGIOBOTHRYS TRACHYCARPUS (A. Gray) I.M. Johnston [no voucher found of a population established in the wild; reported from Hampshire County, Massachusetts] {Boraginaceae}

Platanthera X bicolor (Rafiniesque) Luer (pro species) (P. blephariglottis (Willdenow) Lindley X P. ciliaris (Linnaeus) Lindley) [no specimen located; reported from Connecticut and Rhode Island] {Orchidaceae}

Platanthera X vossii Case (P. blephariglottis (Willdenow) Lindley X P. clavellata (Michaux) Luer) [no specimen located; reported from Maine and Massachusetts] {Orchidaceae}

PLATANUS X ACERIFOLIA (Aiton) Willdenow (P. occidentalis Linnaeus X P. ORIENTALIS Linnaeus) [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Platanaceae}

Poa alpina Linaeus subsp. alpina [no specimen located; reported from Coös County, New Hampshire] {Poaceae}

POA SECUNDA J. Presl subsp. SECUNDA [no specimen located; reported from York County, Maine] {Poaceae}

POLEMONIUM CUSPIDATUM Siebold & Zuccarini [no specimen located; reported from Aroostook County, Maine] {Polemoniaceae}

POLEMONIUM MICRANTHUM Bentham [no voucher of wild occurrence found; reported from Norfolk County, Massachusetts.] {Polemoniaceae}

POLYCNEMUM MAJUS A. Braun ex Bogenhard [no specimen located; reported from Coös Co., New Hampshire] {Amaranthaceae}

POLYGONUM ARGYROCOLEON Steudel ex Kunze [no specimen located; reported from Massachusetts and Vermont] {Polygonaceae}

POLYGONUM OXYSPERMUM C.A. Meyer & Bunge ex Ledebour subsp. RAII (Babington) D. A. Webb & Chater [no specimen located; reported from Maine] {Polygonaceae}

Potamogeton X sparganiifolius Laestadius ex Fries (pro species) (P. gramineus Linnaeus X P. natans Linnaeus) [no specimen located; reported from Franklin County, Massachusetts and Stafford County, New Hampshire] {Potamogetonaceae}

POTENTILLA ALBA Linnaeus [no voucher found of a population established in the wild; reported from Connecticut and Suffolk County, Massachusetts] {Rosaceae}

POTENTILLA COLLINA Wibel [no specimen located; reported from Massachusetts] {Rosaceae}

POTENTILLA ERECTA (Linnaeus) Raeuschel [no specimen located; reported from Massachusetts] {Rosaceae}

PRIMULA ELATIOR Hill [no specimen located; reported from Hartford County, Connecticut] {Primulaceae}

PRIMULA WILSONII Dunn var. ANISODORA (Balfour (son) & Forrest) A.J. Richards (P. anisodora Balfour (son) & Forrest) [voucher for report from Berkshire Co., Massachusetts; has been re-identified identified as PRIMULA JAPONICA A. Gray] {Primulaceae}

PRUNELLA LACINIATA Linnaeus [no voucher found of a population established in the wild; reported from Dukes County, Massachusetts] {Lamiaceae}

PRUNUS SPECIOSA (Koidzumi) Nakai [no specimen located; reported from Massachusetts] {Rosaceae}

Q

QUERCUS PHELLOS Linnaeus [no voucher found of a population established in the wild; reported from New London County, Connecticut] {Fagaceae}

QUERCUS X SARGENTII Rehder (Q. montana Willdenow X Q. ROBUR Linnaeus) [no specimen seen; reported from Norfolk County, Massachusetts] {Fagaceae}

R

RANUNCULUS LAXICAULIS (Torrey & A. Gray) Darby [no specimen located; reported from Connecticut and Vermont, apparently based upon application of this name to specimens of R. ambigens S. Watson] {Ranunculaceae}

RHAMNUS DAVURICA Pallas subsp. NIPPONICA (Makino) Kartesz & Gandhi [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts and Rhode Island] {Rhamnaceae}

RHAMNUS UTILIS Decaisne var. UTILIS [no specimen klocated; reported from Tolland County, Connecticut] {Rhamnaceae}

RHODODENDRON COLUMBIANUM (Piper) Harmaja [a single 1871 specimen from Mt. Washington, New Hampshire annotated as this species, and far from its known range, is excluded until its status in New England is better understood.] {Ericaceae}

RHODODENDRON TOMENTOSUM Harmaja [a single 1947 specimen from a bog in Carroll Co., New Hampshire annotated as this species, and distant from its known range, is excluded until its status in New England is better understood.] {Ericaceae}

RORIPPA SESSILIFLORA (Nuttall) Hitchcock [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Brassicaceae}

ROSA CAROLINA Linnaeus subsp. SUBSERRULATA (Rydberg) W.H. Lewis (R. CAROLINA var. SETIGERA Crépin ex Kennedy) [no specimen located; reported from Maine, New Hampshire and Vermont] {Rosaceae}

ROSA MULTIFLORA Thunberg var. CALVA Franchet & Savatier [voucher has been reidentified as R. MULTIFLORA var. MULTIFLORA; reported from Middlesex County, Massachusetts] {Rosaceae}

ROSA SEMPERVIRENS Linnaeus [no specimen located; reported from Worcester County, Massachusetts] {Rosaceae}

ROSA TOMENTOSA Smith [no specimen located; reported from Vermont] {Rosaceae}

Rosa X palustriformis Rydberg (pro species), (R. blanda Aiton X R. palustris Marshall) [no specimen located; reported from Maine] {Rosaceae}

RUBIA TINCTORUM Linnaeus [no voucher found of a population established in the wild; reported from Hampshire County, Massachusetts] {Rubiaceae}

Rubus arcticus Linnaeus subsp. acaulis (Michaux) Focke (R. acaulis Michaux) [no specimen located; reported from Androscoggin and Kennebec Counties, Maine] {Rosaceae}

RUBUS PARVIFLORUS Nuttall [no specimen located; reported from Massachusetts; this report possibly a confusion with R. PARVIFOLIUS Linnaeus] {Rosaceae}

Rudbeckia laciniata Linnaeus var. bipinnata Perdue [no specimen located; reported from Connecticut, Massachusetts and New Hampshire] {Asteraceae}

RUMEX CONGLOMERATUS Murray [no specimen located; reported from Massachusetts] {Polygonaceae}

RUMEX SANGUINEUS Linnaeus [no specimen located; reported from Connecticut] {Polygonaceae}

S

SABATIA ANGULARIS (Linnaeus) Pursh [no voucher found of a population established in the wild; reported from Essex County, Massachusetts, and Connecticut] {Gentianaceae}

SACCIOLEPIS STRIATA (Linnaeus) Nash [no specimen located; reported from Washington County, Maine and Worcester County, Massachusetts] {Poaceae}

SALICORNIA RUBRA A. Nelson [no specimen located; reported from Connecticut] {Amaranthaceae}

SALIX DAPHNOIDES Villars [no specimen located; reported from Massachusetts] {Salicaeae}

SANVITALIA PROCUMBENS Lamarck [no voucher found of a population established in the wild; reported from Addison County, Vermont] {Asteraceae}

Saxifraga hyperborea R. Brown [no specimen located; reported from Mount Washington, New Hampshire] {Saxifragaceae}

SCABIOSA ATROPURPUREA Linnaeus [no specimen located; reported from Waldo County, Maine and Suffolk County, Massachusetts; voucher for the Suffolk County report has been more recently identified as probably S. COLUMBARIA Linnaeus] {Caprifoliaceae}

SCABIOSA COLUMBARIA Linnaeus [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Caprifoliaceae}

SCHIZANTHUS PINNATUS Ruiz & Pavón [no voucher found of a population established in the wild; reported from Connecticut and Penobscot County, Maine] {Solanaceae}

SCHKUHRIA PINNATA (Lamarck) Kuntze ex Thellung [no voucher found of a population established in the wild; reported from Maine and Norfolk County, Massachusetts] {Asteraceae}

Schoenoplectus etuberculatus (Steudel) Soják [no specimen located; reported from Washington County, Rhode Island] {Cyperaceae}

SCHOENOPLECTUS X KUEKENTHALIANUS (Junge) D.H. Kent (S. tabernaemontani (C.C. Gmelin) Palla X S. TRIQUETER (Linnaeus) Palla) [no specimen located; reported from Vermont] {Cyperaceae}

SCUTELLARIA ALTISSIMA Linnaeus [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Lamiaceae}

Scutellaria parvula Michaux var. australis Fassett [no specimen located; reported from southern Connecticut] {Lamiaceae}

SELINUM CARVIFOLIA (Linnaeus) Linnaeus [no specimen located; reported from Suffolk County, Massachusetts] {Apiaceae}

Senecio pseudoarnica Lessing [no specimen located; reported from Maine] {Asteraceae}

SENECIO SPARTIOIDES Torrey & A. Gray (S. MULTICAPITATUS Greenman) [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Asteraceae}

SENNA CORYMBOSA (Lamarck) H.S. Irwin & Barneby [no specimen located; reported from Massachusetts] {Fabaceae}

SERRATULA TINCTORIA Linnaeus [no specimen located; reported from Connecticut] {Asteraceae}

SHORTIA GALACIFOLIA Torrey & A. Gray var. GALACIFOLIA [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Diapensiaceae}

SIGESBECKIA ORIENTALIS Linnaeus [no specimen located; reported from Middlesex Co., Massachusetts, almost certainly based on the voucher for S. JORULLENSIS Kunth from the same county] {Asteraceae}

SILENE COELI-ROSA (Linnaeus) Godron [no voucher found of a population established in the wild; reported from Middlesex Co., Massachusetts] {Caryophyllaceae}

"SILENE JAPONICA" [based on erroneous listing of "Silene japonica (Swartz) Ohwi" instead of Sagina japonica (Swartz) Ohwi; reported from Norfolk County, Massachusetts] {Caryophyllaceae}

SILPHIUM INTEGRIFOLIUM Michaux var. INTEGRIFOLIUM [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Asteraceae}

SIUM SISARUM Linnaeus [no voucher found of a population established in the wild; reported from Washington County, Rhode Island] {Apiaceae}

SMILAX BONA-NOX Linnaeus [voucher specimens have been re-identified as S. rotundifolia Linnaeus (Sorrie, 1987); reported from Nantucket County, Massachusetts] {Smilacaceae}

Smilax pulverulenta Michaux [voucher specimen has been re-identified as S. herbacea Linnaeus (A. Haines, pers. comm. 2010); reported from Washington County, Rhode Island] {Smilacaceae}

SOLANDRA GRANDIFLORA Swartz [no specimen located; reported from Connecticut and York County, Maine] {Solanaceae}

SOLIDAGO LEPIDA de Candolle var. SALEBROSA (Piper) Semple (S. CANADENSIS Linnaeus var. SALEBROSA (Piper) M.E. Jones) [no specimen located; reported from Maine] {Asteraceae}

Solidago X beaudryi B. Boivin (S. rugosa Miller X S. uliginosa Nuttall) [no specimen located; reported from Hancock County, Maine] {Asteraceae}

SORBUS ALNIFOLIA (Siebold & Zuccarini) K. Koch [no voucher found of a population established in the wild; reported from Suffolk County, Massachusetts] {Rosaceae}

SORBUS HYBRIDA Linnaeus (Pyrus hybrida (Linnaeus) Smith) [no voucher found of a population established in the wild; reported from Maine, Worcester County, Massachusetts, New Hampshire and Vermont] {Rosaceae}

SORBUS X THURINGIACA(Nyman) Schönach (S. ARIA (Linnaeus) Crantz X S. AUCUPARIA Linnaeus)) [no voucher found of a population established in the wild; reported from New Hampshire and Vermont] {Rosaceae}

SPERGULARIA DIANDRA (Gussone) Heldreich [identity of voucher in doubt; record is based on a specimen from Barnstable Co., Massachusetts (NEBC) cited by Ruth Rossbach in Rhodora 42:83 (1940) in which uncertainty of its identity is expressed. Rossbach annotated the herbarium sheet as "Spergularia purpurea (Persoon) G. Don ?" in 1937.] {Caryophyllaceae}

SPERGULARIA MEDIA (Linnaeus) C. Presl var. MEDIA (S. MARITIMA (Allioni) Chiovenda) [the identity of specimens labeled as this taxon is in question and will require examination; reported from Maine and Massachusetts. and specimens labeled as this from New Haven and Tolland Counties, Connecticut] {Caryophyllaceae}

SPERGULARIA PURPUREA (Persoon) G. Don [identity of voucher is in doubt; record from Barnstable County, Massachusetts is based on the same specimen cited as S. DIANDRA (Gussone) Heldreich, excluded as noted above]

SPHAERALCEA FENDLERI A. Gray subsp. FENDLERI [voucher specimens are misidentified S. MENDOCINA (Philippi) K. Schumann; reported from Middlesex and Worcester Counties, Massachusetts] {Malvaceae}

Sphonopholis X pallens (Biehler) Scribner (pro species) (S. obtusata (Michaux) Scribner X S. pensylvanica (Linnaeus) Hitchcock) [no specimen located; due to old usage of the name, specimens identified prior to 1950 are S. intermedia (Rydberg) Rydberg; reported from Suffolk County, Massachusetts] {Poaceae}

SPIRAEA CORYMBOSA Rafinesque [no voucher found of a population established in the wild; reported from Massachusetts] {Rosaceae}

SPIRAEA SALICIFOLIA Linnaeus [no specimen located; due to old usage of the name, specimens identified before 1950 are either S. alba Du Roi var. alba or S. alba var. latifolia (Aiton) Dippel; reported from Vermont] {Rosaceae}

Spiranthes X borealis P.M. Brown (S. casei Catling & Cruise X S. ochroleuca (Rydberg) Rydberg) [no specimen located; reported from New Hampshire and Vermont] {Orchidaceae}

SPOROBOLUS INDICUS (Linnaeus) R. Brown var. INDICUS [no specimen located; reported from York County, Maine] {Poaceae}

SPOROBOLUS JUNCEUS (P. de Beauvois) Kunth [no specimen seen; reported from Litchfield County, Connecticut] {Poaceae}

SPOROBOLUS NEALLEYI Vasey [no specimen located; reported from York County, Maine] {Poaceae}

STACHYS CLINGMANII Small [no specimen located; reported from Vermont] {Lamiaceae}

STACHYS OFFICINALIS (Linnaeus) Trevisan [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Lamiaceae}

STELLARIA LONGIPES Goldie subsp. LONGIPES [no specimen located; reported from Maine] {Caryophyllaceae}

STELLARIA PALUSTRIS Ehrhart ex Hoffmann [no voucher found of a population established in the wild; reported from Knox Co., Maine] {Caryophyllaceae}

STUCKENIA X FENNICA (Hagström) Holub (S. filiformis (Persoon) Börner X S. VAGINATA (Turczaninow) Holub) [no specimen located; reported from Maine and Vermont] {Potamogetonaceae}

Stuckenia X suecica (K. Richter) Holub (S. filiformis (Persoon) Börner X S. pectinata (Linnaeus) Börner) [no specimen located; reported from Addison County, Vermont] {Potamogetonaceae}

STYRAX JAPONICUS Siebold & Zuccarini [no voucher found of a population established in the wild; reported from Fairfield County, Connecticut] {Syracaceae}

SUCCISA PRATENSIS Moench [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Caprifoliaceae}

SYMPHYOTRICHUM LANCEOLATUM (Willdenow) G.L. Nesom var. HIRSUTICAULE (Semple & Chmielewski) G.L. Nesom (ASTER LANCEOLATUS Willdenow var. HIRSUTICAULIS Semple & Chmielewski) [no specimen located; reported from Massachusetts, apparently from incorrect reading of a checklist] {Asteraceae}

Symphyotrichum novi-belgii (Linnaeus) G.L. Nesom var. crenifolium (Fernald) Labrecque & Brouillet (Aster crenifolius (Fernald) Cronquist) [no specimen located; reported from Maine, New Hampshire and Vermont] {Asteraceae}

Symphyotrichum phlogifolium (Muhlenberg ex Willdenow) G.L. Nesom (Aster patens Aiton var. phlogifolius (Muhlenberg ex Willdenow) Nees) [no specimen located; reported from Connecticut, Massachusetts, and Rhode Island] {Asteraceae} SYRINGA JOSIKAEA J. Jacquin ex Reichenbach [no voucher found of a population established in the wild; reported from Berkshire County, Massachusetts] {Oleaceae}

T

TAMARIX GALLICA Linnaeus [no specimen located; reported from Suffolk County, Massachusetts] {Tamaricaceae}

TARAXACUM CERATOPHORUM (Ledebour) de Candolle [no specimen located; reported from Massachusetts and New Hampshire] {Asteraceae}

THERMOPSIS MOLLIS (Michaux) M.A. Curtis [specimens from New England with this name are misidentified THERMOPSIS VILLOSA (Walter) Fernald & B.G. Schubert] {Fabaceae}

THERMOPSIS MONTANA Nuttall var. MONTANA [voucher specimen from Androscoggin County, Maine is misidentified THERMOPSIS VILLOSA (Walter) Fernald & B.G. Schubert] {Fabaceae}

THINOPYRUM INTERMEDIUM (Host) Barkworth & D.R. Dewey subsp. BARBULATUM (Schur) Barkworth & D.R. Dewey (AGROPYRON TRICHOPHORUM (Link) K. Richter) [no voucher found of a population established in the wild; reported from Essex County, Massachusetts] {Poaceae}

TILIA PETIOLARIS de Candolle [no voucher found of a population established in the wild; reported from Fairfield County, Connecticut and Suffolk County, Massachusetts] {Malvaceae}

TRIBULUS TERRESTRIS Linnaeus [no specimen located; reported in wool waste from Worcester County, Massachusetts] {Zygophyllaceae}

TRIFOLIUM CAROLINIANUM Michaux [no specimen located; reported from Chitteneden County, Vermont] {Fabaceae}

TRIFOLIUM FRAGIFERUM Linnaeus [no specimen located; reported from Lamoille County, Vermont] {Fabaceae}

TRIFOLIUM GLOMERATUM Linnaeus [no specimen located; reported from Worcester County, Massachusetts] {Fabaceae}

TRIRAPHIS MOLLIS R. Brown [no specimen located; reported from Worcester County, Massachusetts] {Poaceae}

TURGENIA LATIFOLIA (Linnaeus) Hoffmann [no specimen located; reported from Providence County, Rhode Island] {Apiaceae}

U

URTICA CHAMAEDRYOIDES Pursh [no specimen located; reported from Massachusetts] {Urticaceae}

Utricularia striata Leconte ex Torrey (U. fibrosa misapplied) [no specimen located; reported from Hartford County, Connecticut, Barnstable County, Massachusetts, and Rhode Island] {Lentibulariaceae}

V

Veratrum latifolium (Desrousseaux) Zomlefer (Melanthium hybridum misapplied) [no specimen located; reported from Fairfield County, Connecticut] {Melanthiaceae}

VERNONIA GLAUCA (Linnaeus) Willdenow [no specimen located; reported from Bristol County, Massachusetts] {Asteraceae}

VERONICA HEDERIFOLIA Linnaeus [no voucher found of a population established in the wild; reported from Connecticut, and Newport County, Rhode Island] {Plantaginaceae}

VICIA SEPIUM Linnaeus var. MONTANA W.D.J. Koch [no specimen located; reported from York County, Maine] {Fabaceae}

VIOLA BICOLOR Pursh (V. KITAIBELIANA Schultes var. RAFINESQUII (Greene) Fernald; V. RAFINESQUII Greene {sometimes as “RAFINESQUEI”}) [no voucher found of a population established in the wild; reported from Connecticut, Massachusetts, and Rhode Island] {Violaceae}

VIOLA CANINA Linnaeus [prior to 1908 this name was misapplied to V. adunca Smith and V. labradorica Schrank and has not been corrected on many of these old specimens] {Violaceae}

VIOLA JAPONICA Langsdorff & Gingins [no voucher found of a population established in the wild; reported from Middlesex County, Massachusetts] {Violaceae}

VIOLA SEPTEMLOBA Leconte [no specimen located; reported from Fairfield County, Connecticut, and Washington County, Rhode Island] {Violaceae}

Viola X consocia House (V. affinis Leconte X V. cucullata Aiton) [no specimen located; reported from Connecticut and Vermont] {Violaceae}

Viola X cordifolia (Nuttall) Schweinitz (pro species) (V. hirsutula Brainerd X V. sororia Willdenow) [no specimen located; reported from Connecticut] {Violaceae}

Viola X eamesii House (V. brittoniana Pollard X V. palmata Linnaeus var. palmata) [no specimen located; reported from Connecticut] {Violaceae}

Viola X napae House (V. nephrophylla Greene X V. sororia Willdenow) [no specimen located; reported from Vermont] {Violaceae}

VIOLA X WITTROCKIANA Gams ex Nauenberg & Buttler (V. ALTAICA Ker Gawler X (V. LUTEA Hudson or V. TRICOLOR Linnaeus)) [no voucher found of a population established in the wild; reported from Worcester County, Massachusetts] {Violaceae}

Z

ZOYSIA JAPONICA Steudel [no voucher found of a population established in the wild; reported from Hampshire County, Massachusetts] {Poaceae}





Designed by Ray Angelo. Revised December 9, 2016