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Alaska Center for Conservation Science

Fostering research, education, and collaboration on biological conservation and natural resource management in Alaska and the Arctic

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Non-Native Plant Species List

ACCS has been tracking all non-native plants known to occur in Alaska since 2002. To qualify for listing, the species must be found escaped outside of a designated planting/gardening area and not on private lands. The designation of nativity status for plants involves a careful review of the known distribution of the species and documentation of earliest establishment in our region. We consider the context of early botanical explorers documenting the flora of Alaska by using historic floras, herbaria records, and current scientific literature to inform our listing decisions and document the first presence in our region. Here we list the non-native plant species known to or likely to occur in our region. In collaboration with biologists, land managers, and weed scientists across the state, ACCS has developed an invasive plant ranking system that helps evaluate the potential invasiveness and impacts of non-native plants to natural areas in Alaska (Carlson et al. 2008). Most species have biographies and an invasiveness rank.

The AKEPIC list is maintained by ACCS Botanists, please report new species to Justin Fulkerson

Scientific Nameinfo riskSymbolCommon NameRankFamilyEst.OccurrenceSynonyms
Acer negundo L.ACNE2boxelderAceraceaeAdjacent Canada only
Achillea filipendulina Lam.ACFIfernleaf yarrowAsteraceae2005AlaskaAchillea filipendulina
Achillea ptarmica L.info riskACPTsneezeweed46Asteraceae1913AlaskaAchillea ptarmica
Acroptilon repens (L.) DC.info riskACRE3hardheads66AsteraceaeAdjacent Canada onlyRhaponticum repens
Aegopodium podagraria L.info riskAEPObishop's goutweed57Apiaceae2006AlaskaAegopodium podagraria, Aegopodium podagraria var. variegatum
Agropyron cristatum (L.) Gaertn.AGCRcrested wheatgrassPoaceae1939AlaskaAgropyron cristatum
Agropyron fragile (Roth) P. CandargyAGFRSiberian wheatgrassPoaceaeAdjacent Canada onlyAgropyron sibiricum, Agropyron fragile ssp. sibiricum, Agropyron cristatum ssp. fragile, Agropyron fragile var. fragile, Agropyron fragile var. sibiricum, Eremopyrum sibiricum, Triticum sibiricum, Agropyron cristatum ssp. sibiricum
Agrostemma githago L.AGGIcommon corncockleCaryophyllaceae2006AlaskaAgrostemma githago
Agrostis capillaris L.AGCA5colonial bentgrassPoaceae1941AlaskaAgrostis tenuis var. aristata, Agrostis tenuis var. hispida, Agrostis tenuis var. pumila, Agrostis capillaris, Agrostis vulgaris, Agrostis sylvatica, Agrostis tenuis
Agrostis gigantea RothAGGI2redtopPoaceae1902AlaskaAgrostis stolonifera ssp. gigantea, Agrostis stolonifera var. major, Agrostis alba, Agrostis gigantea, Agrostis gigantea var. dispar, Agrostis nigra
Agrostis stolonifera L.AGST2creeping bentgrassPoaceae1918AlaskaAgrostis stolonifera, Agrostis stolonifera var. compacta, Agrostis alba var. palustris, Agrostis stolonifera var. palustris, Agrostis alba var. stolonifera, Agrostis maritima, Agrostis palustris
Aira caryophyllea L.AICAsilver hairgrassPoaceaeAdjacent Canada onlyAira caryophyllea
Alchemilla mollis (Buser) Rothm.info riskALMO12lady's mantle56Rosaceae2006AlaskaAlchemilla mollis
Alchemilla monticola Opizinfo riskALMO4hairy lady's mantle56Rosaceae1979AlaskaAlchemilla monticola, Alchemilla pratensis, Alchemilla vulgaris, Alchemilla vulgaris var. pastoralis, Alchemilla xanthochlora
Alliaria petiolata (M. Bieb.) Cavara & Grandeinfo riskALPE4garlic mustard70Brassicaceae2002AlaskaAlliaria alliaria, Alliaria officinalis, Alliaria petiolata, Erysimum alliaria, Sisymbrium alliaria
Alnus glutinosa (L.) Gaertn.info riskALGL2European alder61BetulaceaeAlaska WatchlistAlnus glutinosa
Alopecurus arundinaceus Poir.ALARcreeping meadow foxtailPoaceae2011AlaskaAlopecurus arundinaceus
Alopecurus geniculatus L.info riskALGE2water foxtail49Poaceae1940AlaskaAlopecurus geniculatus, Alopecurus geniculatus var. geniculatus, Alopecurus pallescens
Alopecurus pratensis L.info riskALPR3meadow foxtail52Poaceae1934AlaskaAlopecurus pratensis
Alyssum alyssoides (L.) L.ALAL3alyssumBrassicaceae1954AlaskaAlyssum alyssoides
Amaranthus albus L.AMALprostrate pigweedAmaranthaceae2003AlaskaAmaranthus pubescens, Amaranthus albus, Amaranthus albus var. pubescens, Amaranthus graecizans var. pubescens
Amaranthus retroflexus L.info riskAMREredroot amaranth45Amaranthaceae1918AlaskaAmaranthus retroflexus, Amaranthus retroflexus var. salicifolius
Amsinckia lycopsoides Lehm.AMLYtarweed fiddleneckBoraginaceae1918AlaskaAmsinckia barbata, Amsinckia lycopsoides, Benthamia lycopsoides
Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr.AMMEMenzies' fiddleneckBoraginaceae1913AlaskaAmsinckia menziesii
Angelica archangelica L.ANAR9Norwegian angelicaApiaceae2017Adjacent Canada only
Anthemis cotula L.info riskANCO2stinking chamomile41Asteraceae1899AlaskaMaruta cotula, Anthemis cotula
Anthoxanthum odoratum L.ANODsweet vernalgrassPoaceae1929AlaskaAnthoxanthum odoratum, Anthoxanthum odoratum ssp. odoratum
Anthriscus sylvestris (L.) Hoffm.ANSYwild chervilApiaceaeAlaska (unconfirmed)Anthriscus sylvestris, Chaerophyllum sylvestre
Arabis alpina L.ARAL8alpine rockcressBrassicaceaeAlaska WatchlistArabis caucasica, Arabis alpina
Arctium lappa L.ARLA3greater burdockAsteraceaeAdjacent Canada onlyArctium lappa
Arctium minus Bernh.info riskARMI2common burdock49Asteraceae2006AlaskaArctium minus
Armoracia rusticana G. Gaertn., B. Mey. & Scherb.ARRU4horseradishBrassicaceae1997AlaskaArmoracia rusticana
Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. PreslAREL3tall oatgrassPoaceae1902AlaskaArrhenatherum elatius
Artemisia biennis Willd.ARBI2biennial wormwoodAsteraceae1968AlaskaArtemisia biennis, Artemisia biennis var. biennis
Artemisia vulgaris L.ARVUcommon wormwoodAsteraceae2003AlaskaArtemisia vulgaris var. vulgaris, Artemisia vulgaris var. coarctata, Artemisia vulgaris var. glabra, Artemisia vulgaris var. kamtschatica, Artemisia selengensis, Artemisia vulgaris var. latiloba, Artemisia tilesii var. aleutica, Artemisia vulgaris var. se
Asperugo procumbens L.ASPRGerman-madwortBoraginaceae1941AlaskaAsperugo procumbens
Astragalus cicer L.ASCI4chickpea milkvetchFabaceae2000AlaskaAstragalus cicer
Atriplex hortensis L.ATHOgarden oracheAmaranthaceae1946AlaskaAtriplex hortensis var. atrosanguinea, Atriplex hortensis var. rubra, Atriplex nitens, Atriplex acuminata, Atriplex hortensis, Atriplex hortensis ssp. nitens
Atriplex patula L.ATPA4spear saltbushAmaranthaceae1939AlaskaAtriplex patula var. erecta, Atriplex patula var. japonica, Atriplex patula var. patula, Atriplex patula, Atriplex patula var. bracteata
Aurinia saxatilis (L.) Desv.AUSAbasket of goldBrassicaceae1991AlaskaAurinia saxatilis
Avena fatua L.AVFAwild oatPoaceae1941AlaskaAvena fatua, Avena fatua var. glabrata, Avena fatua var. vilis
Avena sativa L.AVSAcommon oatPoaceae1918AlaskaAvena sativa, Avena sativa var. orientalis, Avena byzantina, Avena fatua var. sativa
Axyris amaranthoides L.AXAMRussian pigweedAmaranthaceaeAdjacent Canada onlyAxyris amaranthoides
Barbarea verna (Mill.) Asch.BAVEearly yellowrocketBrassicaceaeAdjacent Canada onlyBarbarea praecox, Campe verna, Erysimum vernum
Barbarea vulgaris W.T. AitonBAVUgarden yellowrocketBrassicaceaeAdjacent Canada onlyBarbarea arcuata, Campe barbarea, Barbarea vulgaris var. arcuata, Barbarea vulgaris var. brachycarpa, Barbarea vulgaris var. longisiliquosa, Barbarea vulgaris var. sylvestris
Bellis perennis L.BEPE2lawndaisyAsteraceae1937AlaskaBellis perennis
Berteroa incana (L.) DC.BEIN2hoary alyssumBrassicaceae1970AlaskaAlyssum incanum, Berteroa incana
Betula pendula RothBEPE3European white birchBetulaceae2005AlaskaBetula pendula
Bidens cernua L.BICEnodding beggartickAsteraceae1909AlaskaBidens cernua var. radiata, Bidens cernua var. dentata, Bidens glaucescens, Bidens cernua var. elliptica, Bidens cernua var. integra, Bidens cernua var. minima, Bidens cernua, Bidens cernua var. oligodonta, Bidens cernua var. cernua
Bidens frondosa L.BIFRdevil's beggartickAsteraceae1968AlaskaBidens frondosa var. pallida, Bidens frondosa var. stenodonta, Bidens frondosa, Bidens frondosa var. anomala, Bidens frondosa var. caudata
Borago officinalis L.BOOFcommon borageBoraginaceae1998AlaskaBorago officinalis
Brachypodium sylvaticum (Huds.) P. Beauv.info riskBRSYslender false brome70PoaceaeAdjacent Canada onlyFestuca sylvatica, Agropyron sylvaticum, Brachypodium miserum, Brachypodium pubescens, Brachypodium wattii, Brevipodium sylvaticum, Bromus dumosus, Bromus sylvaticus, Triticum sylvaticum, Brachypodium sylvaticum ssp. dumosum, Brachypodium sylvaticum ssp. pubescens, Brachypodium gracile var. pubescens, Brevipodium sylvaticum var. dumosum
Brassica juncea (L.) Czern.BRJUindian mustardBrassicaceae1925AlaskaBrassica willdenowii, Brassica integrifolia, Sinapis juncea, Brassica japonica, Brassica juncea, Brassica juncea var. crispifolia, Brassica juncea var. japonica
Brassica napus L.info riskBRNArape47Brassicaceae1913AlaskaBrassica napus
Brassica rapa L.info riskBRRAfield mustard50Brassicaceae1925AlaskaBrassica campestris var. rapa, Brassica rapa ssp. rapifera, Brassica rapa, Brassica rapa ssp. sylvestris, Brassica rapa var. campestris, Brassica rapa ssp. campestris, Brassica rapa var. rapa, Brassica campestris, Brassica rapa ssp. olifera, Caulanthus su
Bromus briziformis Fisch. & C.A. Mey.BRBR5rattlesnake bromePoaceae1941AlaskaBromus brizaeformis, Bromus briziformis
Bromus hordeaceus L.BRHO2soft bromePoaceae1929AlaskaBromus hordeaceus
Bromus inermis Leyss.info riskBRIN2smooth brome62Poaceae1914AlaskaBromus inermis, Bromus inermis ssp. inermis, Bromus inermis ssp. inermis var. inermis, Bromus inermis var. inermis, Bromopsis inermis
Bromus japonicus Thunb. ex MurrayBRJAfield bromePoaceaeAdjacent Canada onlyBromus patulus, Bromus japonicus var. porrectus, Bromus cyri, Bromus kochii, Bromus pendulus, Bromus phrygius, Bromus subsquarrosus, Bromus unilateralis, Bromus vestitus, Forasaccus patulus, Serrafalcus patulus, Bromus japonicus ssp. phrygius, Bromus japonicus ssp. subsquarrosus, Bromus arvensis var. japonicus, Bromus arvensis var. patulus, Bromus japonicus var. patulus, Bromus japonicus var. phrygius, Bromus japonicus var. sooi, Bromus japonicus var. subsquarrosus, Bromus japonicus var. vestitus, Bromus squarrosus var. patulus
Bromus racemosus L.BRRA2bald bromePoaceae1941AlaskaBromus commutatus, Bromus commutatus var. apricorum, Bromus popovii, Bromus racemosus
Bromus secalinus L.BRSErye bromePoaceae1918AlaskaBromus secalinus, Bromus secalinus var. hirsutus, Bromus secalinus var. hirtus, Bromus secalinus var. secalinus
Bromus tectorum L.info riskBRTEcheatgrass78Poaceae1923AlaskaAnisantha tectorum, Bromus tectorum, Bromus tectorum var. glabratus, Bromus tectorum var. hirsutus, Bromus tectorum var. nudus
Calendula officinalis L.CAOFcalendulaAsteraceae2006AlaskaCalendula officinalis
Calystegia sepium (L.) R. Br.CASE13hedge false bindweedConvolvulaceae2006AlaskaCalystegia sepium
Camelina microcarpa Andrz. ex DC.CAMI2littlepod false flaxBrassicaceaeAdjacent Canada onlyCamelina sativa ssp. microcarpa
Camelina sativa (L.) CrantzCASA2gold-of-pleasureBrassicaceae1918AlaskaCamelina sativa, Camelina sativa ssp. sativa, Myagrum sativum, Camelina parodii
Campanula glomerata L.CAGL2Dane's bloodCampanulaceae2008AlaskaCampanula glomerata
Campanula medium L.CAME20Canterbury bellsCampanulaceae2008AlaskaCampanula medium
Campanula rapunculoides L.info riskCARArampion bellflower64Campanulaceae2007AlaskaCampanula rapunculoides, Campanula rapunculoides var. ucranica
Capsella bursa-pastoris (L.) Medik.info riskCABU2shepherd's purse40Brassicaceae1918AlaskaBursa bursa-pastoris var. bifida, Bursa gracilis, Capsella bursa-pastoris, Capsella rubella, Thlaspi bursa-pastoris, Bursa bursa-pastoris
Caragana arborescens Lam.info riskCAAR18Siberian peashrub74Fabaceae1995AlaskaCaragana arborescens, Caragana arborescens var. pendula, Caragana fruticosa
Carduus acanthoides L.info riskCAACspiny plumeless thistle61AsteraceaeAdjacent Canada only
Carduus nutans L.info riskCANU4nodding plumeless thistle61AsteraceaeAdjacent Canada onlyCarduus thoermeri, Carduus macrocephalus, Carduus macrolepis, Carduus nutans ssp. leiophyllus, Carduus nutans ssp. macrocephalus, Carduus nutans ssp. macrolepis, Carduus nutans ssp. nutans, Carduus nutans var. leiophyllus, Carduus nutans var. macrocephalus, Carduus nutans var. vestitus
Carduus pycnocephalus L.info riskCAPY2Italian plumeless thistle61AsteraceaeAlaska Watchlist
Carduus tenuiflorus W. Curtisinfo riskCATE2winged plumeless thistle61AsteraceaeAlaska Watchlist
Carex stipata Muhl. ex Willd.CAST5awlfruit sedgeCyperaceae1993AlaskaCarex stipata
Carthamus tinctorius L.CATIsafflowerAsteraceae2004Alaska (unconfirmed)Cathamus tinctorius
Castilleja tenuis (A. Heller) T.I. Chuang & HeckardCATE26hairy Indian paintbrushOrobanchaceae1918AlaskaOrthocarpus hispidus
Centaurea cyanus L.CECY2garden cornflowerAsteraceae2008AlaskaCentaurea cyanus
Centaurea montana L.info riskCEMOperennial cornflower46Asteraceae2005AlaskaCentaurea montana, Centaurea montana var. alba
Centaurea scabiosa L.CESC2greater knapweedAsteraceae2004AlaskaCentaurea scabiosa
Centaurea stoebe L.info riskCEST8spotted knapweed86Asteraceae2004AlaskaCentaurea stoebe
Cerastium fontanum Baumg. ssp. vulgare (Hartm.) Greuter & Burdetinfo riskCEFOV2big chickweed36Caryophyllaceae1899AlaskaCerastium vulgatum var. hirsutum, Cerastium fontanum ssp. vulgare, Cerastium vulgatum var. holosteoides, Cerastium holosteoides, Cerastium holosteoides var. vulgare, Cerastium adsurgens, Cerastium triviale, Cerastium fontanum ssp. holosteoides, Cerastium
Cerastium glomeratum Thuill.info riskCEGL2sticky chickweed36Caryophyllaceae1913AlaskaCerastium viscosum, Cerastium acutatum, Cerastium glomeratum, Cerastium glomeratum var. apetalum
Cerastium nutans Raf.CENU2nodding chickweedCaryophyllaceaeAdjacent Canada only
Cerastium tomentosum L.CETO2snow in summerCaryophyllaceae2006AlaskaCerastium tomentosum
Chaenorhinum minus (L.) LangeCHMIdwarf snapdragonPlantaginaceae2007AlaskaChaenorhinum minus
Chenopodium album L.info riskCHALAlambsquarters37Amaranthaceae1902AlaskaChenopodium missouriense var. bushianum, Chenopodium album var. polymorphum, Chenopodium paganum, Chenopodium amaranticolor, Chenopodium album, Chenopodium suecicum, Chenopodium giganteum, Chenopodium album var. album, Chenopodium lanceolatum, Chenopodium album var. lanceolatum, Chenopodium missouriense, Chenopodium album var. missouriense
Chenopodium leptophyllum (Moq.) Nutt. ex S. WatsonCHLE4narrowleaf goosefootAmaranthaceae1950AlaskaChenopodium leptophyllum, Chenopodium album var. leptophyllum
Chenopodium rubrum L.CHRUred goosefootAmaranthaceae1968AlaskaChenopodium rubrum, Chenopodium rubrum var. rubrum
Chenopodium simplex (Torr.) Raf.CHSI2mapleleaf goosefootAmaranthaceae1995AlaskaChenopodium hybridum ssp. gigantospermum, Chenopodium hybridum var. gigantospermum, Chenopodium hybridum var. simplex, Chenopodium gigantospermum, Chenopodium simplex, Chenopodium hybridum, Chenopodium hybridum ssp. giganthospermum
Cichorium intybus L.CIINchicoryAsteraceaeAdjacent Canada onlyCichorium intybus var. foliosum, Cichorium intybus var. sativum
Cirsium arvense (L.) Scop.info riskCIAR4Canada thistle76Asteraceae1925AlaskaCirsium arvense var. argenteum, Cirsium setosum, Cirsium arvense var. horridum, Breea arvensis, Serratula arvensis, Cirsium arvense var. integrifolium, Breea incana, Cirsium arvense var. mite, Carduus arvensis, Cirsium arvense var. vestitum, Cirsium arven
Cirsium vulgare (Savi) Ten.info riskCIVUbull thistle61Asteraceae1941AlaskaCarduus lanceolatus, Carduus vulgaris, Cirsium lanceolatum, Cirsium lanceolatum var. hypoleucum, Cirsium vulgare
Clematis tangutica (Maxim.) Korsh.CLTA2golden tiara clematisRanunculaceae2009AlaskaClematis tangutica
Clinopodium douglasii (Benth.) KuntzeCLDO2yerba buenaLamiaceae1891AlaskaMicromeria douglasii
Collomia linearis Nutt.COLI2tiny trumpetPolemoniaceae1931AlaskaCollomia linearis
Conium maculatum L.COMA2poison hemlockApiaceae2006AlaskaConium maculatum
Conringia orientalis (L.) Dumort.COORhare's ear mustardBrassicaceaeAdjacent Canada onlyBrassica orientalis
Convallaria majalis L.COMA7European lily of the valleyLiliaceaeAlaska Watchlist
Convolvulus arvensis L.info riskCOAR4field bindweed56Convolvulaceae2004AlaskaConvolvulus arvensis
Conyza canadensis (L.) CronquistCOCA5Canadian horseweedAsteraceae1982AlaskaErigeron canadensis, Erigeron canadensis var. glabratus, Leptilon canadense, Conyza canadensis, Conyza canadensis var. canadensis, Conyza canadensis var. glabrata
Cota tinctoria (L.) J. GayCOTI4golden chamomileAsteraceae1941AlaskaAnthemis tinctoria, Cota tinctoria
Cotoneaster simonsii BakerCOSI82Simons' cotoneaster42Rosaceae2014AlaskaCotoneaster simonsii
Cotula coronopifolia L.info riskCOCO7common brassbuttons42Asteraceae1932AlaskaCotula coronopifolia
Crepis capillaris (L.) Wallr.CRCA3smooth hawksbeardAsteraceae1996AlaskaCrepis capillaris
Crepis tectorum L.info riskCRTE3narrowleaf hawksbeard56Asteraceae1970AlaskaCrepis tectorum
Cryptantha torreyana (A. Gray) GreeneCRTO4Torrey's cryptanthaBoraginaceae1902AlaskaCryptantha torreyana, Cryptantha torreyana var. calycosa, Cryptantha torreyana var. pumila, Cryptantha calycosa, Cryptantha eastwoodiae, Cryptantha flexulosa
Cytisus scoparius (L.) Linkinfo riskCYSC4Scotch broom69Fabaceae1983AlaskaCytisus scoparius
Dactylis glomerata L.info riskDAGLorchardgrass53Poaceae1902AlaskaDactylis glomerata, Dactylis glomerata ssp. glomerata, Dactylis glomerata var. ciliata, Dactylis glomerata var. detonsa, Dactylis glomerata var. vivipara
Daphne mezereum L.DAME3paradise plantThymelaeaceae1998AlaskaDaphne mezereum
Daucus carota L.DACA6Queen Anne's laceApiaceae2005AlaskaDaucus carota
Deschampsia danthonioides (Trin.) MunroDEDAannual hairgrassPoaceae1941AlaskaAira danthonioides, Deschampsia calycina, Deschampsia danthonioides, Deschampsia danthonioides var. gracilis
Deschampsia elongata (Hook.) Munroinfo riskDEELslender hairgrass35Poaceae1945AlaskaDeschampsia elongata, Aira elongata
Descurainia sophia (L.) Webb ex Prantlinfo riskDESO2herb sophia41Brassicaceae1920AlaskaSophia sophia, Descurainia sophia, Sisymbrium sophia
Dianthus barbatus L.DIBAsweetwilliamCaryophyllaceae1995AlaskaDianthus barbatus, Dianthus barbatus ssp. barbatus
Dianthus deltoides L.DIDEmaiden pinkCaryophyllaceae2005AlaskaDianthus deltoides
Dianthus plumarius L.DIPLfeathered pinkCaryophyllaceaeAdjacent Canada only
Digitalis purpurea L.info riskDIPUpurple foxglove51Plantaginaceae2004AlaskaDigitalis purpurea
Digitaria ischaemum (Schreb.) Schreb. ex Muhl.DIISsmooth crabgrassPoaceaeAlaska (unconfirmed)Syntherisma ischaemum, Panicum ischaemum, Digitaria glabra, Digitaria humifusa, Panicum glabrum, Panicum humifusum, Paspalum glabrum, Paspalum humifusum, Syntherisma glabra, Syntherisma humifusum, Panicum phaeocarpum var. drummondianum
Digitaria sanguinalis (L.) Scop.DISAhairy crabgrassPoaceaeAlaska (unconfirmed)Panicum sanguinale, Syntherisma sanguinalis, Asperella digitaria, Cynodon praecox, Dactylon sanguinale, Digitaria plebeia, Digitaria praecox, Digitaria vulgaris, Milium sanguinale, Panicum sanguinalis, Paspalum sanguinale, Syntherisma praecox, Syntherisma vulgare, Syntherisma vulgaris, Digitaria sanguinalis ssp. vulgaris, Digitaria sanguinalis var. sanguinalis, Panicum sanguinale var. vulgare
Dracocephalum moldavica L.DRMOMoldavian dragonheadLamiaceaeAlaska (unconfirmed)Moldavica moldavica
Dracocephalum thymiflorum L.DRTHthymeleaf dragonheadLamiaceaeAdjacent Canada onlyMoldavica thymiflora
Dulichium arundinaceum (L.) Britton var. arundinaceumDUARAthree-way sedgeCyperaceae1993Alaska
Echinochloa crus-galli (L.) P. Beauv.ECCRbarnyardgrassPoaceae2014AlaskaEchinochloa crus-galli ssp. spiralis, Echinochloa crus-galli
Elodea canadensis Michx.info riskELODECanadian waterweed79Hydrocharitaceae1982AlaskaAnacharis canadensis, Elodea planchonii, Anacharis canadensis var. planchonii, Philotria canadensis, Elodea brandegeeae, Philotria linearis, Elodea canadensis, Elodea ioensis, Elodea linearis
Elodea nuttallii (Planch.) H. St. Johninfo riskELODEwestern waterweed79Hydrocharitaceae1982AlaskaElodea nuttallii
Elymus canadensis L.ELCA4Canada wildryePoaceaeAlaska (unconfirmed)Elymus philadelphicus, Elymus canadensis var. hirsutus, Elymus philadelphicus var. hirsutus, Clinelymus canadensis, Hordeum canadense, Hordeum patulum, Roegneria canadensis, Sitanion brodiei, Terrellia canadensis, Elymus canadensis var. pendulus, Elymus canadensis var. philadelphicus, Elymus philadelphicus var. pendulus, Elymus robustus var. vestitus
Elymus repens (L.) Gouldinfo riskELRE4quackgrass59Poaceae1918AlaskaElytrigia repens, Elytrigia repens var. vaillantiana, Elytrigia vaillantiana, Agropyron repens, Triticum repens, Agropyron repens var. subulatum, Triticum vaillantianum, Elymus repens
Elymus sibiricus L.info riskELSISiberian wildrye53Poaceae1999AlaskaElymus sibiricus
Eragrostis intermedia Hitchc.ERINplains lovegrassPoaceaeAlaska (unconfirmed)Eragrostis lugens var. major
Erodium cicutarium (L.) L'Hér. ex AitonERCI6redstem stork's billGeraniaceae1909AlaskaErodium cicutarium
Erucastrum gallicum (Willd.) O.E. SchulzERGAcommon dogmustardBrassicaceae1994AlaskaErucastrum gallicum, Brassica erucastrum
Erysimum capitatum (Douglas ex Hook.) Greene (cultivar)ERCA14sanddune wallflowerBrassicaceae2004Alaska
Erysimum cheiri (L.) CrantzERCH10Aegean wallflowerBrassicaceae2011AlaskaErysimum cheiri
Erysimum cheirianthoides L.ERCH9wormseed wallflowerBrassicaceae1909AlaskaCheirinia cheiranthoides, Erysimum cheiranthoides, Erysimum cheiranthoides ssp. cheiranthoides
Eschscholzia californica Cham.ESCA2California poppyPapaveraceae1995AlaskaEschscholzia californica
Euphorbia cyparissias L.EUCY2cypress spurgeEuphorbiaceae2014AlaskaEuphorbia cyparissias
Euphorbia esula L.EUESleafy spurge84Euphorbiaceae2012AlaskaEuphorbia esula
Euphorbia peplus L.EUPE6petty spurgeEuphorbiaceae1974AlaskaEuphorbia peplus, Galarhoeus peplus, Tithymalus peplus
Euphrasia nemorosa (Pers.) Wallr.info riskEUNE3common eyebright42Orobanchaceae2000AlaskaEuphrasia nemorosa, Euphrasia americana, Euphrasia pectinata, Euphrasia arctica ssp. borealis, Euphrasia tatarica, Euphrasia borealis, Euphrasia canadensis, Euphrasia curta
Fagopyrum esculentum MoenchFAES2buckwheatPolygonaceae1974AlaskaFagopyrum esculentum, Fagopyrum fagopyrum, Fagopyrum sagittatum, Fagopyrum vulgare, Polygonum fagopyrum
Fallopia ×bohemica (J. Chrtek & Chrtkov) J.P. Baileyinfo riskPOBO10Bohemian knotweed87Polygonaceae2004AlaskaFallopia ×bohemica, Polygonum ×bohemicum
Fallopia convolvulus (L.) Á. Löveinfo riskFACOblack bindweed50Polygonaceae1931AlaskaReynoutria convolvulus, Tiniaria convolvulus, Bilderdykia convolvulus, Fallopia convolvulus, Polygonum convolvulus, Polygonum convolvulus var. convolvulus
Fallopia japonica (Houtt.) Ronse Decr.info riskFAJA2Japanese knotweed87Polygonaceae1981AlaskaPleuropterus zuccarinii, Polygonum cuspidatum, Polygonum cuspidatum var. compactum, Fallopia japonica, Polygonum zuccarinii, Fallopia japonica var. japonica, Reynoutria japonica, Pleuropterus cuspidatus
Fallopia sachalinensis (F. Schmidt ex Maxim.) Ronse Decr.info riskFASA3giant knotweed87Polygonaceae2006AlaskaFallopia sachalinensis, Polygonum sachalinense, Reynoutria sachalinensis
Festuca brevipila TraceyFEBR7hard fescuePoaceaeAdjacent Canada onlyFestuca trachyphylla, Festuca brevipila
Festuca valesiaca Schleich. ex GaudinFEVA2Volga fescuePoaceaeAdjacent Canada only
Gaillardia aristata PurshGAARcommon gaillardiaAsteraceaeAdjacent Canada only
Gaillardia pulchella Foug.GAPUIndian blanketAsteraceae1995AlaskaGaillardia pulchella
Galeopsis bifida Boenn.info riskGABI3splitlip hempnettle50Lamiaceae1969AlaskaGaleopsis tetrahit ssp. bifida, Galeopsis tetrahit var. bifida, Galeopsis bifida
Galeopsis tetrahit L.info riskGATE2brittlestem hempnettle50Lamiaceae1867AlaskaGaleopsis tetrahit
Geranium bicknellii Britt.GEBI2Bicknell's cranesbillGeraniaceae1924AlaskaGeranium carolinianum var. longipes, Geranium nemorale, Geranium nemorale var. bicknellii, Geranium bicknellii, Geranium bicknellii var. longipes
Geranium carolinianum L.GECA5Carolina cranesbillGeraniaceae1959AlaskaGeranium carolinianum
Geranium pusillum L.GEPU2small geraniumGeraniaceae1994AlaskaGeranium pusillum
Geranium robertianum L.info riskGERORobert geranium67Geraniaceae1941AlaskaGeranium robertianum
Geranium sanguineum L.GESA2bloody geraniumGeraniaceae1959AlaskaGeranium sanguineum
Gilia achilleifolia Benth.GIAC2California giliaPolemoniaceae1941AlaskaGilia achilleifolia, Gilia achilleaefolia
Gilia capitata SimsGICA5bluehead giliaPolemoniaceae1941AlaskaGilia capitata
Glebionis segetum (L.) Fourr.GLSE5corndaisyAsteraceae1968AlaskaChrysanthemum segetum, Glebionis segetum
Glechoma hederacea L.info riskGLHE2ground ivy48Lamiaceae1941AlaskaGlechoma hederacaea, Glechoma hederacea, Glechoma hederacea var. micrantha, Glechoma hederacea var. parviflora, Nepeta hederacea
Glyceria maxima (Hartm.) Holmb.GLMA3reed mannagrassPoaceae1941AlaskaGlyceria maxima
Gnaphalium palustre Nutt.GNPAwestern marsh cudweedAsteraceae2005AlaskaGnaphalium palustre
Gnaphalium uliginosum L.GNULmarsh cudweedAsteraceae1941AlaskaFilaginella uliginosa, Gnaphalium uliginosum
Gypsophila elegans M. Bieb.GYELshowy baby's-breathCaryophyllaceaeAdjacent Canada onlyGypsophila elegans var. elegans
Gypsophila paniculata L.info riskGYPAbaby's breath57Caryophyllaceae2004Adjacent Canada onlyGypsophila paniculata, Gypsophila paniculata var. paniculata
Hackelia micrantha (Eastw.) J.L. GentryHAMIJessica sticktightBoraginaceae1968AlaskaHackelia jessicae
Hedera helix L.info riskHEHEEnglish ivy73Araliaceae2006AlaskaHedera helix
Helianthus annuus L.HEAN3common sunflowerAsteraceae1941AlaskaHelianthus lenticularis, Helianthus annuus ssp. texanus, Helianthus annuus var. lenticularis, Helianthus annuus var. macrocarpus, Helianthus annuus, Helianthus annuus var. texanus, Helianthus annuus ssp. jaegeri, Helianthus aridus, Helianthus annuus ssp.
Heracleum mantegazzianum Sommier & Levierinfo riskHEMA17giant hogweed81Apiaceae2010AlaskaHeracleum mantegazzianum
Heracleum sphondylium ssp.sibiricum (L.) SimonkaiHESPSeltrotApiaceaeAdjacent Canada onlyHeracleum sibiricum, Heracleum sibiricum var. angustifolium
Hesperis matronalis L.info riskHEMA3dames rocket41Brassicaceae1941AlaskaHesperis matronalis
Hieracium ×flagellare Willd. [caespitosum × pilosella]HIFL2hawkweedAsteraceaeAdjacent Canada onlyHieracium flagellare
Hieracium aurantiacum L.info riskHIAUorange hawkweed79Asteraceae1969Alaska
Hieracium caespitosum Dumort.info riskHICA10meadow hawkweed79Asteraceae2004AlaskaHieracium caespitosum
Hieracium glomeratum Froel.HIGL3queen-devil hawkweedAsteraceaeAdjacent Canada only
Hieracium lachenalii C.C. Gmel.info riskHILA8common hawkweed57Asteraceae2005AlaskaHieracium lachenalii
Hieracium murorum L.HIMUwall hawkweedAsteraceae2005AlaskaHieracium murorum
Hieracium pilosella L.info riskHIPImouseear hawkweed63Asteraceae2004AlaskaHieracium pilosella
Hieracium piloselloides Vill.HIPI2tall hawkweedAsteraceae2006AlaskaHieracium piloselloides
Hieracium sabaudum L.HISA4New England hawkweedAsteraceaeAdjacent Canada onlyHieracium vagum
Hieracium umbellatum L.info riskHIUMnarrowleaf hawkweed51Asteraceae1996AlaskaHieracium scabriusculum var. scabrum, Hieracium columbianum, Hieracium umbellatum, Hieracium scabriusculum, Hieracium scabriusculum var. columbianum, Hieracium scabriusculum var. perhirsutum, Hieracium scabriusculum var. saximontanum
Holcus lanatus L.info riskHOLAcommon velvetgrass56Poaceae1906AlaskaHolcus lanatus, Nothoholcus lanatus
Holcus mollis L.HOMOcreeping velvet grassPoaceae2007AlaskaHolcus mollis
Hordeum comosum J. PreslHOCO4barleyPoaceaeAlaska (unconfirmed)Critesion comosum, Hordeum andinum, Hordeum divergens, Hordeum comosum var. bifidum, Hordeum comosum var. comosum, Hordeum comosum var. flavescens, Hordeum comosum var. humilis, Hordeum comosum var. rigida, Hordeum jubatum var. comosum
Hordeum jubatum L.info riskHOJUfoxtail barley63Poaceae1889AlaskaHordeum jubatum
Hordeum murinum L. ssp. leporinum (Link) Arcang.info riskHOMULleporinum barley60Poaceae2004AlaskaHordeum murinum ssp. leporinum
Hordeum vulgare L.info riskHOVUcommon barley39Poaceae1918AlaskaHordeum sativum, Hordeum aegiceras, Hordeum vulgare, Hordeum distichon, Hordeum vulgare ssp. hexastichon, Hordeum hexastichon, Hordeum vulgare var. trifurcatum, Hordeum hexastichum, Hordeum irregulare
Hydrilla verticillata (L. f.) Royleinfo riskHYVE3waterthyme80HydrocharitaceaeAlaska Watchlist
Hypericum perforatum L.info riskHYPESt. Johnswort52Hypericaceae1981AlaskaHypericum perforatum
Hypochaeris radicata L.info riskHYRA3hairy cat's ear44Asteraceae1919AlaskaHypochaeris radicata, Hypochoeris radicata
Iberis amara L.IBAMannual candytuftBrassicaceaeAlaska (unconfirmed)
Iberis umbellata L.IBUMglobe candytuftBrassicaceae1946AlaskaIberis umbellata
Ilex aquifolium L.info riskILAQ80English holly67Aquifoliaceae2006AlaskaIlex aquifolium
Impatiens glandulifera Royleinfo riskIMGLornamental jewelweed82Balsaminaceae2004AlaskaImpatiens glandulifera
Iris pseudacorus L.info riskIRPSpaleyellow iris66Iridaceae2006AlaskaIris pseudacorus
Kochia scoparia (L.) Schrad.KOSCburningbushAmaranthaceae2013AlaskaBassia scoparia, Bassia sieversiana, Kochia scoparia
Lactuca serriola L.LASEprickly lettuceAsteraceae2005AlaskaLactuca serriola
Lactuca tatarica (L.) C.A. Mey.LATAblue lettuceAsteraceae1932AlaskaMulgedium oblongifolium
Lamium album L.info riskLAALwhite deadnettle40Lamiaceae1950AlaskaLamium album
Lamium amplexicaule L.LAAMhenbit deadnettleLamiaceae2011AlaskaLamium amplexicaule var. album, Lamium amplexicaule
Lamium maculatum L.LAMAspotted henbitLamiaceae1974AlaskaLamium maculatum
Lappula squarrosa (Retz.) Dumort.info riskLASQEuropean stickseed44Boraginaceae1944AlaskaLappula fremontii, Lappula lappula, Lappula myosotis, Lappula squarrosa, Lappula echinata, Lappula squarrosa var. erecta, Lappula erecta
Lapsana communis L.info riskLACO3common nipplewort33Asteraceae1919AlaskaLapsana communis
Lathyrus pratensis L.LAPRmeadow peaFabaceae1932AlaskaLathyrus pratensis
Leontodon autumnalis L.info riskLEAU2fall dandelion51Asteraceae1997AlaskaApargia autumnalis, Leontodon autumnalis ssp. autumnalis, Leontodon autumnalis ssp. pratensis, Leontodon autumnalis var. pratensis
Leontodon hirtus auct. non L.LEHI4bristly hawkbit Asteraceae2012AlaskaLeontodon hispidus
Leontodon hispidus L.LEHIhairy hawkbitAsteraceae2005AlaskaLeontodon hastilis, Leontodon hispidus, Leontodon hispidus ssp. danubialis
Leontodon saxatilis Lam.LETAlesser hawkbitAsteraceaeAdjacent Canada only
Lepidium campestre (L.) W.T. AitonLECA5field pepperweedBrassicaceae2005AlaskaLepidium campestre
Lepidium densiflorum Schrad.info riskLEDEcommon pepperweed25Brassicaceae1919AlaskaLepidium densiflorum var. ramosum, Lepidium densiflorum var. bourgeauanum, Lepidium ramosum, Lepidium densiflorum var. typicum, Lepidium densiflorum var. densiflorum, Lepidium texanum, Lepidium elongatum, Lepidium densiflorum var. elongatum, Lepidium negl
Lepidium heterophyllum Benth.LEHE2purpleanther field pepperweedBrassicaceae2013AlaskaLepidium heterophyllum
Lepidium latifolium L.info riskLELA2broadleaved pepperweed71Brassicaceae2011AlaskaLepidium latifolium
Lepidium perfoliatum L.LEPE2clasping pepperweedBrassicaceae1969Alaska
Lepidium ramosissimum A. NelsonLERA2manybranched pepperweedBrassicaceae1891AlaskaLepidium ramosissimum
Lepidium ruderale L.LERUroadside pepperweedBrassicaceae1995AlaskaLepidium texanum
Lepidium sativum L.LESA2gardencress pepperweedBrassicaceaeAdjacent Canada only
Lepidium virginicum L.LEVI3Virginia pepperweedBrassicaceae1941AlaskaLepidium virginicum
Leucanthemum maximum (Ramond) DC.LEMA8Shasta daisyAsteraceae2006AlaskaLeucanthemum maximum
Leucanthemum vulgare Lam.info riskLEVUoxeye daisy61Asteraceae1936AlaskaLeucanthemum vulgare var. pinnatifidum, Chrysanthemum leucanthemum, Chrysanthemum leucanthemum var. boecheri, Chrysanthemum leucanthemum var. pinnatifidum, Leucanthemum leucanthemum, Leucanthemum vulgare
Leymus angustus (Trin.) Pilg.LEAN3Altai wildryePoaceaeAdjacent Canada onlyAneurolepidium angustatum, Elymus angustatus, Triticum angustatum
Limnanthes douglasii R. Br. ssp. douglasiiLIDODDouglas' meadowfoamLimnanthaceae2010AlaskaLimnanthes howelliana
Linaria dalmatica (L.) Mill.info riskLIDADalmatian toadflax58PlantaginaceaeAdjacent Canada only
Linaria maroccana Hook. f.LIMA3Moroccan toadflaxPlantaginaceae2011AlaskaLinaria maroccana
Linaria pinifolia (Poir.) Thell.LIPU3pineneedle toadflaxPlantaginaceae2007AlaskaLinaria pinifolia
Linaria purpurea (L.) Mill.LIPU3purple toadlfaxPlantaginaceae2020Alaska
Linaria vulgaris Mill.info riskLIVU2butter and eggs69Plantaginaceae1941AlaskaLinaria linaria, Linaria vulgaris
Lolium multiflorum Lam.info riskLOMUItalian ryegrass41Poaceae1935AlaskaLolium perenne ssp. multiflorum, Lolium multiflorum, Lolium perenne var. multiflorum, Lolium multiflorum ssp. italicum, Lolium multiflorum var. diminutum, Lolium multiflorum var. muticum, Lolium perenne ssp. italicum
Lolium perenne L.info riskLOPEperennial ryegrass52Poaceae1902AlaskaLolium perenne var. aristatum, Lolium perenne var. cristatum, Lolium multiflorum var. ramosum, Lolium perenne, Lolium perenne ssp. perenne
Lolium temulentum L. ssp. temulentumLOTETDarnel ryegrassPoaceaeAdjacent Canada only
Lonicera tatarica L.info riskLOTATatarian honeysuckle66Caprifoliaceae2010AlaskaLonicera sibirica, Lonicera tatarica, Lonicera tatarica var. latifolia
Lotus corniculatus L.info riskLOCO6bird's-foot trefoil65Fabaceae2005AlaskaLotus corniculatus
Lupinus polyphyllus Lindl. ssp. polyphyllusinfo riskLUPOP2bigleaf lupine71Fabaceae1931AlaskaLupinus stationis, Lupinus polyphyllus ssp. polyphyllus, Lupinus polyphyllus ssp. polyphyllus var. polyphyllus, Lupinus polyphyllus var. albiflorus, Lupinus polyphyllus var. polyphyllus, Lupinus pseudopolyphyllus, Lupinus matanuskensis
Lysimachia nummularia L.LYNUcreeping jennyPrimulaceae2006AlaskaLysimachia nummularia
Lythrum salicaria L.info riskLYSA2purple loosestrife84Lythraceae2006AlaskaLythrum salicaria
Lythrum virgatum L.info riskLYVI3European wand loosestrife84LythraceaeAlaska Watchlist
Madia glomerata Hook.MAGL2mountain tarweedAsteraceae1914AlaskaMadia glomerata
Malva neglecta Wallr.MANEcommon mallowMalvaceae1974AlaskaMalva neglecta
Malva pusilla Sm.MAPU5low mallowMalvaceaeAdjacent Canada onlyMalva rotundifolia
Malva sylvestris L.MASYhigh mallowMalvaceae2011AlaskaMalva sylvestris
Marrubium vulgare L.MAVUhorehoundLamiaceae1941AlaskaMarrubium vulgare
Matricaria discoidea DC.info riskMADI6pineapple weed32Asteraceae1881AlaskaLepidotheca suaveolens, Matricaria discoidea, Matricaria matricarioides, Artemisia matricarioides, Matricaria suaveolens, Chamomilla suaveolens, Santolina suaveolens, Lepidanthus suaveolens, Tanacetum suaveolens
Medicago lupulina L.info riskMELUblack medick48Fabaceae1930AlaskaMedicago lupulina, Medicago lupulina var. cupaniana, Medicago lupulina var. glandulosa
Medicago minima (L.) L.MEMIburr medicFabaceae2004AlaskaMedicago minima
Medicago polymorpha L.MEPO3burcloverFabaceae1918AlaskaMedicago denticulata, Medicago hispida, Medicago polycarpa, Medicago hispida var. apiculata, Medicago hispida var. confinis, Medicago polymorpha var. brevispina, Medicago polymorpha var. ciliaris, Medicago polymorpha var. polygyra, Medicago polymorpha var. tricycla, Medicago polymorpha var. vulgaris, Medicago apiculata
Medicago sativa L. ssp. falcata (L.) Arcang.info riskMESASyellow alfalfa64Fabaceae1915AlaskaMedicago ×varia, Medicago media, Medicago sativa ssp. sativa, Medicago sativa ssp. varia
Medicago sativa L. ssp. sativainfo riskMESAFalfalfa59Fabaceae1909AlaskaMedicago falcata, Medicago falcata var. romanica, Medicago sativa ssp. falcata
Melilotus albus Medik.info riskMEAL2white sweetclover81Fabaceae1913AlaskaMelilotus albus, Melilotus albus var. annuus, Melilotus leucanthus, Melilotus lutea, Melilotus alba
Melilotus officinalis (L.) Lam.info riskMEOFyellow sweetclover69Fabaceae1913AlaskaMelilotus officinalis var. micranthus, Melilotus arvensis, Melilotus officinalis
Mentha ×piperita L. [aquatica × spicata]info riskMEPIpeppermint43Lamiaceae1918AlaskaMentha crispa, Mentha dumetorum, Mentha piperita, Mentha aquatica var. crispa
Mentha spicata L.info riskMESP3spearmint43Lamiaceae1918AlaskaMentha viridis, Mentha longifolia var. undulata, Mentha spicata, Mentha spicata var. longifolia, Mentha cordifolia, Mentha spicata var. spicata, Mentha longifolia, Mentha sylvestris, Mentha longifolia var. mollissima
Microsteris gracilis (Hook.) GreeneMIGRslender phloxPolemoniaceae1909AlaskaMicrosteris gracilis
Misopates orontium (L.) Raf.MIORlinearleaf snapdragonPlantaginaceae1968AlaskaAntirrhinum orontium, Antirrhinum orontium var. grandiflorum, Misopates orontium
Mycelis muralis (L.) Dumort.info riskMYMUwall-lettuce31Asteraceae2004AlaskaLactuca muralis, Mycelis muralis
Myosotis scorpioides L.info riskMYSCtrue forget-me-not54Boraginaceae1918AlaskaMyosotis palustris, Myosotis scorpioides
Myosotis sylvatica Ehrh. ex Hoffmann.MYSYwoodland forget-me-notBoraginaceae1962AlaskaMyosotis sylvatica
Myriophyllum spicatum L.info riskMYSP2Eurasian watermilfoil90HalagoraceaeAlaska Watchlist
Myrrhis odorata (L.) Scop.MYODaniseApiaceae2007AlaskaMyrrhis odorata
Nasturtium officinale W.T. AitonNAOFwatercressBrassicaceae1946AlaskaNasturtium officinale, Nasturtium officinale var. siifolium, Rorippa nasturtium-aquaticum, Sisymbrium nasturtium-aquaticum, Nasturtium nasturtium-aquaticum
Nemophila menziesii Hook. & Arn.NEMEbaby blue eyesHydrophyllaceae2011AlaskaNemophila menziesii
Nepeta cataria L.NECA2catnipLamiaceae1918AlaskaNepeta cataria
Neslia paniculata (L.) Desv.NEPA3ballmustardBrassicaceae1931AlaskaNeslia paniculata, Myagrum paniculatum
Nymphaea odorata ssp. odorata Aitoninfo riskNYODOAmerican white waterlily80Nymphaeaceae1997AlaskaNymphaea odorata var. gigantea, Castalia minor, Nymphaea reniformis, Nymphaea odorata var. godfreyi, Castalia odorata, Nymphaea odorata var. minor, Castalia reniformis, Nymphaea odorata var. rosea, Nymphaea minor, Nymphaea odorata var. stenopetala, Nympha
Onobrychis viciifolia Scop.ONVIsainfoinFabaceae2000AlaskaOnobrychis sativa, Onobrychis viciaefolia, Onobrychis viciifolia, Hedysarum onobrychis
Onopordum acanthium L.ONACScotch cottonthistleAsteraceaeAdjacent Canada only
Panicum miliaceum L.PAMI2proso milletPoaceaeAlaska (unconfirmed)Leptoloma miliacea, Milium esculentum, Milium paniceum
Papaver croceum Ledeb.info riskPACR80Iceland poppy39Papaveraceae1974AlaskaPapaver croceum, Papaver nudicaule ssp. nudicaule
Papaver rhoeas L.PARH2corn poppyPapaveraceae1913AlaskaPapaver rhoeas
Pascopyrum smithii (Rydb.) Á. LövePASMwestern wheatgrassPoaceae1968AlaskaElymus smithii, Elytrigia smithii, Agropyron molle, Elytrigia smithii var. mollis, Agropyron smithii, Pascopyrum smithii, Agropyron smithii var. molle, Agropyron smithii var. palmeri
Pastinaca sativa L.PASA2wild parsnipApiaceae1941Adjacent Canada onlyPastinaca sativa, Pastinaca sativa var. pratensis
Persicaria lapathifolia (L.) Grayinfo riskPELA22pale smartweed47Polygonaceae1952AlaskaPersicaria incarnata, Polygonum pensylvanicum ssp. oneillii, Polygonum lapathifolium var. prostratum, Polygonum lapathifolium ssp. pallidum, Persicaria lapathifolia, Polygonum scabrum, Polygonum lapathifolium var. salicifolium, Polygonum lapathifolium ssp
Persicaria maculosa Grayinfo riskPEMA24spotted ladysthumb47Polygonaceae1940AlaskaPolygonum persicaria var. ruderale, Polygonum fusiforme, Persicaria puritanorum, Polygonum puritanorum, Polygonum minus, Persicaria ruderalis, Polygonum minus var. subcontinuum, Persicaria ruderalis var. vulgaris, Persicaria maculata, Polygonum persicaria
Persicaria wallichii Greuter & Burdetinfo riskPEWA18Himalayan knotweed80Polygonaceae2006AlaskaPolygonum polystachyum, Persicaria wallichii, Polygonum polystachum
Phacelia campanularia A. GrayPHCA3desertbellsHydrophyllaceaeAdjacent Canada only
Phalaris arundinacea L. (cultivar)info riskPHAR3reed canarygrass83Poaceae1905AlaskaPhalaroides arundincea, Arundo colorata, Arundo riparia, Baldingera arundinacea, Baldingera colorata, Calamagrostis colorata, Calamagrostis variegata, Digraphis americana, Digraphis arundinacea, Endallex arundinacea, Phalaridantha arundinacea, Typhoides arundinacea, Phalaris arundinacea ssp. typica, Phalaris arundincea var. colorata, Phalaris arundinacea var. genuina
Phalaris canariensis L.PHCA5annual canarygrassPoaceae1909AlaskaPhalaris canariensis
Phalaris minor Retz.PHMI3littleseed canarygrassPoaceae1968AlaskaPhalaris minor
Phedimus spurius (M. Bieb.) 't HartPHSP9Caucasian stonecropCrassulaceaeAdjacent Canada onlySedum spurium, Spathulata spuria, Sedum spurium var. coccineum
Phleum pratense L.info riskPHPR3timothy54Poaceae1918AlaskaPhleum nodosum, Phleum pratense, Phleum pratense ssp. nodosum, Phleum pratense var. nodosum
Phragmites australis (Cav.) Trin. ex Steud.info riskPHAU7common reed83PoaceaeAdjacent Canada onlyPhragmites communis, Phragmites phragmites, Arundo altissima, Arundo australis, Arundo graeca, Arundo isiaca, Arundo maxima, Arundo occidentalis, Arundo palustris, Arundo phragmites, Arundo vulgaris, Cynodon phragmites, Oxyanthe phragmites, Phragmites altissimus, Phragmites capensis, Phragmites caudatus, Phragmites chilensis, Phragmites dioicus, Phragmites fissifolius, Phragmites hispanicus, Phragmites isiacus, Phragmites martinicensis, Phragmites mauritianus, Phragmites maximus, Phragmites occidentalis, Phragmites phragmites, Phragmites vulgaris, Reimaria diffusa, Trichoon phragmites, Phragmites australis ssp. australis, Phragmites communis ssp. maximus, Phragmites vulgaris ssp. maximus, Phragmites communis var. flavescens, Phragmites communis var. genuinus, Phragmites communuis var. hispanicus, Phragmites communis var. isiacus, Phragmites communis var. mauritianus, Phragmites communis var. variegatus, Phragmites maximus var. variegatus, Phragmites vulgaris var. mauritianus
Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peck ssp. figuratusPLFIFfragrant popcornflowerBoraginaceae1944AlaskaPlagiobothrys hirtus var. figuratus, Allocarya figurata, Plagiobothrys figuratus ssp. figuratus, Plagiobothrys hirtus
Plantago lanceolata L.PLLAnarrowleaf plantainPlantaginaceae1919AlaskaPlantago altissima, Plantago lanceolata, Plantago lanceolata var. sphaerostachya
Plantago major L.info riskPLMA2common plantain44Plantaginaceae1904AlaskaPlantago major var. pilgeri, Plantago major ssp. intermedia, Plantago major var. scopulorum, Plantago major var. asiatica, Plantago asiatica, Plantago major var. intermedia, Plantago halophila, Plantago major var. major, Plantago intermedia, Plantago majo
Poa annua L.info riskPOANannual bluegrass46Poaceae1891AlaskaPoa annua, Poa annua var. aquatica, Poa annua var. reptans
Poa compressa L.info riskPOCOCanada bluegrass39Poaceae1941AlaskaPoa compressa
Poa pratensis L. ssp. irrigata (Lindm.) H. Lindb.info riskPOPRspreading bluegrass52Poaceae1975AlaskaPoa pratensis ssp. rigens, Poa pratensis ssp. subcaerulea, Poa pratensis var. rigens, Poa subcaerulea, Poa pratensis ssp. irrigata
Poa pratensis L. ssp. pratensisinfo riskPOPRKentucky bluegrass52Poaceae1902AlaskaPoa pratensis var. domestica, Poa angustifolia, Poa pratensis var. gelida, Poa pratensis ssp. agassizensis, Poa pratensis var. iantha, Poa pratensis ssp. angustifolia, Poa pratensis ssp. pratensis, Poa pratensis var. angustifolia, Poa agassizensis
Poa trivialis L.info riskPOTR2rough bluegrass52Poaceae1918AlaskaPoa trivialis, Poa attica
Polygonum achoreum S.F. BlakePOAC3leathery knotweedPolygonaceae1956AlaskaPolygonum achoreum, Polygonum erectum ssp. achoreum
Polygonum aviculare L.info riskPOAVprostrate knotweed45Polygonaceae1918AlaskaPolygonum buxiforme, Polygonum aviculare ssp. aviculare, Polygonum heterophyllum, Polygonum aviculare ssp. buxiforme, Polygonum littorale, Polygonum aviculare ssp. depressum, Polygonum monspeliense, Polygonum aviculare var. littorale, Polygonum aviculare
Polygonum hydropiper L.POHYmarshpepper knotweedPolygonaceae1913AlaskaPersicaria hydropiper
Polygonum hydropiperoides Michx.POHY2swamp smartweedPolygonaceae1940AlaskaPersicaria hydropiperoides
Polygonum ramosissimum Michx.PORA3bushy knotweedPolygonaceae1968AlaskaPolygonum ramosissimum
Polypogon monspeliensis (L.) Desf.POMO5annual rabbitsfoot grassPoaceae1919AlaskaAlopecurus monspeliensis, Polypogon monspeliensis
Potentilla biennis GreenePOBI7biennial cinquefoilRosaceaeAdjacent Canada only
Potentilla brunnescens Rydb.POBR16slender cinquefoilRosaceae1951AlaskaPotentilla gracilis var. brunnescens, Potentilla brunnescens
Potentilla recta L.info riskPORE5sulphur cinquefoil57RosaceaeAdjacent Canada onlyPotentilla recta var. obscura, Potentilla recta var. pilosa, Potentilla recta var. sulphurea, Potentilla sulphurea
Prunus avium (L.) L.PRAVsweet cherryRosaceae2005AlaskaPrunus avium, Cerasus avium
Prunus maackii Rupr.PRMA9Amur chokecherry45Rosaceae2012AlaskaPrunus maackii
Prunus mahaleb L.PRMAMahaleb cherryRosaceaeAdjacent Canada onlyCerasus mahaleb
Prunus padus L.info riskPRPA5European bird cherry74Rosaceae1980AlaskaPrunus padus
Prunus virginiana L.info riskPRVIchokecherry74Rosaceae2009AlaskaPrunus melanocarpa, Prunus virginiana, Prunus virginiana ssp. melanocarpa, Prunus virginiana var. melanocarpa, Padus melanocarpa, Padus virginiana ssp. melanocarpa
Psathyrostachys juncea (Fisch.) NevskiPSJU3Russian wildryePoaceae1941AlaskaElymus junceus, Psathyrostachys juncea, ×Leymostachys korovinii
Psilocarphus elatior (A. Gray) A. GrayPSELmeadow woolyheadsAsteraceae2012AlaskaPsilocarphus elatior
Puccinellia distans (Jacq.) Parl.PUDIweeping alkaligrassPoaceae1992AlaskaPuccinellia distans
Ranunculus acris L.info riskRAAC3tall buttercup60Ranunculaceae1945AlaskaRanunculus acris
Ranunculus repens L.info riskRARE3creeping buttercup72Ranunculaceae1881AlaskaRanunculus repens var. villosus, Ranunculus repens var. erectus, Ranunculus repens var. glabratus, Ranunculus repens var. linearilobus, Ranunculus repens var. pleniflorus, Ranunculus repens, Ranunculus repens var. typicus, Ranunculus repens var. degenerat
Raphanus sativus L.RASA2cultivated radishBrassicaceae1936AlaskaRaphanus raphanistrum var. sativus, Raphanus sativus
Rheum rhabarbarum L.RHRH2garden rhubarbPolygonaceae2003AlaskaRheum rhabarbarum, Rheum rhaponticum
Ribes uva-crispa L.RIUV80European gooseberryGrossulariaceae2010AlaskaRibes grossularia, Ribes uva-crispa
Rorippa sylvestris (L.) BesserROSYcreeping yellowcressBrassicaceae1994AlaskaRorippa sylvestris, Radicula sylvestris
Rosa rugosa Thunb.info riskRORUrugosa rose72Rosaceae1921AlaskaRosa rugosa f. alba, Rosa rugosa var. albiflora, Rosa rugosa
Rubus discolor Weihe & Neesinfo riskRUDI2Himalayan blackberry77Rosaceae2006AlaskaRubus armeniacus, Rubus discolor
Rudbeckia hirta L.RUHI2blackeyed SusanAsteraceae1995Alaska
Rumex acetosa L.RUAC2garden sorrelPolygonaceae2007AlaskaRumex acetosa
Rumex acetosella L.info riskRUAC3common sheep sorrel51Polygonaceae1979AlaskaAcetosella tenuifolia, Rumex acetosella var. tenuifolius, Acetosella vulgaris, Rumex angiocarpus, Rumex acetosella, Rumex tenuifolius, Rumex acetosella ssp. acetosella, Rumex acetosella ssp. angiocarpus, Acetosella acetosella, Rumex acetosella var. pyrena
Rumex crispus L.info riskRUCRcurly dock48Polygonaceae1909AlaskaRumex crispus, Rumex crispus ssp. crispus
Rumex longifolius DC.info riskRULO2dooryard dock48Polygonaceae1937AlaskaRumex domesticus, Rumex longifolius
Rumex maritimus L.RUMA4golden dockPolygonaceae1941Alaska
Rumex obtusifolius L.info riskRUOBbitter dock48Polygonaceae1913AlaskaAcetosa oblongifolia, Rumex obtusifolius, Rumex obtusifolius ssp. agrestis, Rumex obtusifolius ssp. sylvestris, Rumex obtusifolius var. sylvestris
Rumex pseudonatronatus BorbásRUPSfield dockPolygonaceaeAdjacent Canada onlyRumex fennicus
Sagina procumbens L.info riskSAPRbirdeye pearlwort39Caryophyllaceae2005AlaskaSagina procumbens, Sagina procumbens var. compacta
Salix ×pendulina Wender. [babylonica × euxina]SAPE12Wisconsin weeping willowSalicaceaeAlaska (unconfirmed)Salix pendulina, Salix elegantissima, Salix pendulina var. blanda, Salix pendulina var. elegantissima, Salix blanda
Salix pentandra L.SAPE4laurel willowSalicaceae2000AlaskaSalix pentandra
Saponaria officinalis L.info riskSAOF4bouncingbet34Caryophyllaceae2010AlaskaSaponaria officinalis
Schedonorus arundinaceus (Schreb.) Dumort.info riskSCAR7tall fescue63Poaceae1941AlaskaFestuca fenas, Festuca uechtritziana, Lolium arundinaceum, Festuca arundinacea, Schedonorus arundinaceus, Festuca elatior ssp. arundinacea, Schedonorus phoenix, Festuca elatior var. arundinacea
Schedonorus pratensis (Huds.) P. Beauv.SCPR4meadow fescuePoaceae1936AlaskaFestuca elatior, Festuca pratensis, Lolium pratense, Schedonorus pratensis
Scilla siberica AndrewsSCSI2Siberian squillLiliaceae2020Alaska
Secale cereale L.SECEcereal ryePoaceae1941Adjacent Canada onlySecale strictum, Triticum cereale, Secale cereale, Secale montanum
Securigera varia (L.) Lasseninfo riskSEVA4crown vetch68Fabaceae2006AlaskaCoronilla varia, Securigera varia
Senecio eremophilus RichardsonSEER2desert ragwortAsteraceae1968AlaskaSenecio eremophilus var. eremophilus, Senecio glaucifolius, Senecio eremophilus
Senecio integerrimus Nutt. var. exaltatus (Nutt.) CronquistSEINEColumbia ragwortAsteraceae2006AlaskaSenecio integerrimus var. exaltatus
Senecio jacobaea L.info riskSEJAtansy ragwort63Asteraceae1999AlaskaSenecio jacobaea
Senecio serra Hook.SESE2tall ragwortAsteraceae2014AlaskaSenecio serra
Senecio sylvaticus L.info riskSESYwoodland ragwort41Asteraceae2006AlaskaSenecio sylvaticus
Senecio viscosus L.SEVI2sticky ragwortAsteraceae2007AlaskaSenecio viscosus
Senecio vulgaris L.info riskSEVUold-man-in-the-Spring36Asteraceae1916AlaskaSenecio vulgaris
Setaria viridis (L.) P. Beauv.SEVI4green bristlegrassPoaceae1997AlaskaSetaria viridis
Silene armeria L.SIARsweet William sileneCaryophyllaceae2008AlaskaSilene armeria
Silene chalcedonica (L.) E. H. L. Krauseinfo riskLYCH3maltesecross42Caryophyllaceae1994AlaskaLychnis chalcedonica
Silene csereii Baumg.SICSBalkan catchflyCaryophyllaceaeAdjacent Canada onlySilene cserei
Silene dioica (L.) Clairvilleinfo riskSIDI4red catchfly42Caryophyllaceae2007AlaskaSilene dioica
Silene latifolia Poir.info riskSILA21bladder campion42Caryophyllaceae1937AlaskaSilene alba, Silene latifolia, Lychnis ×loveae, Silene latifolia ssp. alba, Lychnis alba, Silene pratensis, Lychnis vespertina, Melandrium album
Silene noctiflora L.info riskSINOnightflowering silene42Caryophyllaceae1938AlaskaSilene noctiflora, Melandrium noctiflorum
Silene vulgaris (Moench) Garckeinfo riskSIVUbladder campion42Caryophyllaceae2010AlaskaOberna commutata, Silene cucubalus, Silene inflata, Silene vulgaris
Silybum marianum (L.) Gaertn.SIMA3blessed milkthistleAsteraceae2007AlaskaCarduus marianus, Mariana mariana, Silybum marianum
Sinapis alba L.SIAL5white mustardBrassicaceae2004AlaskaSinapis alba
Sinapis arvensis L.SIAR4charlock mustardBrassicaceae1909AlaskaSinapis arvensis ssp. arvensis, Brassica arvensis, Sinapis arvensis var. orientalis, Brassica kaber, Sinapis arvensis var. schkuhriana, Brassica kaber var. pinnatifida, Brassica kaber var. schkuhriana, Sinapis arvensis
Sisymbrium altissimum L.SIAL2tall tumblemustardBrassicaceae1918AlaskaNorta altissima, Sisymbrium altissimum
Sisymbrium loeselii L.SILO3small tumbleweed mustardBrassicaceaeAdjacent Canada only
Sisymbrium officinale (L.) Scop.SIOFhedgemustardBrassicaceae1918AlaskaSisymbrium officinale, Sisymbrium officinale var. leiocarpum, Erysimum officinale
Solanum nigrum L.SONIblack nightshadeSolanaceae1918AlaskaSolanum rubrum, Solanum nigrum
Solanum physalifolium RusbySOPHhoe nightshadeSolanaceae1917AlaskaSolanum physalifolium, Solanum physalifolium var. nitidibaccatum, Solanum sarachoides, Solanum sarrachoides, Solanum villosum
Solanum rostratum Dunal.SORObuffalobur nightshadeSolanaceae1997Alaska
Sonchus arvensis L.info riskSOAR2field sowthistle73Asteraceae1918AlaskaSonchus arvensis
Sonchus arvensis L. ssp. arvensisSOARA2field sowthistle73AsteraceaeAdjacent Canada onlySonchus arvensis ssp. arvensis
Sonchus arvensis L. ssp. uliginosus (M. Bieb.) NymanSOARUmoist sowthistle73Asteraceae1993AlaskaSonchus uliginosus, Sonchus arvensis var. glabrescens
Sonchus asper (L.) Hillinfo riskSOASspiny sowthistle46Asteraceae1918AlaskaSonchus nymanii, Sonchus asper, Sonchus asper ssp. asper, Sonchus asper ssp. glaucescens
Sonchus oleraceus L.info riskSOOLcommon sowthistle46Asteraceae1941AlaskaSonchus oleraceus
Sorbaria sorbifolia (L.) A. BraunSOSO2false spiraeaRosaceae2005AlaskaSpiraea sorbifolia, Schizonotus sorbifolius, Sorbaria sorbifolia, Sorbaria sorbifolia var. stellipila
Sorbus aucuparia L.info riskSOAUEuropean mountain ash59Rosaceae1939AlaskaPyrus aucuparia, Sorbus aucuparia, Sorbus aucuparia var. xanthocarpa
Spartina alterniflora Loisel.info riskSPALsmooth cordgrass86PoaceaeAlaska WatchlistSpartina alterniflora var. glabra, Spartina alterniflora var. pilosa, Dactylis fasciculata, Dactylis maritima, Limnetis glabra, Spartina brasiliensis, Spartina glabra, Spartina laevigata, Spartina merrillii, Trachynotia alterniflora, Spartina glabra var. alterniflora, Spartina glabra var. pilosa, Spartina maritima var. alterniflora, Spartina maritima var. brasiliensis, Spartina maritima var. glabra, Spartina stricta var. alterniflora, Spartina stricta var. glabra, Spartina stricta var. maritima
Spartina anglica C.E. Hubbardinfo riskSPAN5common cordgrass86PoaceaeAdjacent Canada onlySpartina townsendii var. anglica
Spartina densiflora Brongn.info riskSPDE2denseflower cordgrass86PoaceaeAdjacent Canada onlyChauvinia chilensis, Spartina montevidensis, Spartina patagonica, Spartina juncea var. laxiflora, Spartina juncea var. montevidense
Spartina patens (Aiton) Muhl.info riskSPPAsaltmeadow cordgrass86PoaceaeAdjacent Canada onlySpartina patens var. juncea, Spartina patens var. monogyna, Dactylis patens, Spartina juncea, Spartina platensis, Spartina pumila, Trachynotia juncea, Spartina juncea var. patens
Spergula arvensis L.info riskSPARcorn spurry32Caryophyllaceae1867AlaskaSpergula arvensis var. sativa, Spergula sativa, Spergula arvensis, Spergula arvensis ssp. arvensis, Spergula arvensis ssp. sativa
Spergularia rubra (L.) J.& K. Preslinfo riskSPRUred sandspurry34Caryophyllaceae1940AlaskaTissa rubra, Spergularia rubra, Spergularia rubra var. perennans
Stellaria media (L.) Vill.info riskSTME2common chickweed42Caryophyllaceae1816AlaskaAlsine media, Stellaria apetala, Stellaria media, Stellaria media ssp. media, Stellaria media var. procera
Symphytum asperum LepechinSYASprickly comfreyBoraginaceae1994AlaskaSymphytum asperum, Symphytum asperrimum
Symphytum officinale L.info riskSYOFcommon comfrey48Boraginaceae2004AlaskaSymphytum officinale
Syringa vulgaris L.SYVUcommon lilacOleaceae2022Alaska
Tanacetum vulgare L.info riskTAVUcommon tansy60Asteraceae1941AlaskaTanacetum boreale, Tanacetum vulgare, Tanacetum vulgare var. crispum, Chrysanthemum vulgare
Taraxacum erythrospermum Andrz. ex BesserTAER3rock dandelionAsteraceae1941Adjacent Canada onlyTaraxacum lacistophyllum, Taraxacum laevigatum, Taraxacum scanicum, Leontodon erythrospermum, Taraxacum disseminatum, Taraxacum erythrospermum
Taraxacum officinale F.H. Wigg.info riskTAOFcommon dandelion58Asteraceae1916AlaskaTaraxacum firmum, Taraxacum cyclocentrum, Taraxacum rhodolepis, Leontodon taraxacum, Taraxacum officinale ssp. vulgare, Taraxacum islandiciforme, Taraxacum dahlstedtii, Taraxacum undulatum, Taraxacum atroglaucum, Taraxacum officinale var. palustre, Taraxa
Thalictrum aquilegifolium L.THAQcolumbine meadow-rueRanunculaceae2022Alaska
Thinopyrum intermedium (Host) Barkworth & D.R. DeweyTHIN6intermediate wheatgrassPoaceaeAdjacent Canada onlyAgropyron intermedium, Elytrigia intermedia, Elytrigia hispidus, Elytrigia intermedia ssp. intermedia, Elymus hispidus var. ruthenicus, Agropyron glaucum, Agropyron hispidum, Braconotia glauca, Trichopyrum intermedium, Triticum glaucum, Triticum intermedium, Zeia glauca, Agropyron glaucum var. intermedium, Agropyron repens var. glaucum
Thinopyrum ponticum (Podp.) Barkworth & D.R. DeweyTHPO7tall wheatgrassPoaceaeAdjacent Canada onlyElytrigia pontica, Agropyron varnense, Elymus varnensis, Thinopyrum ponticum, Elymus elongatus var. ponticus, Lophopyrum ponticum, Thinopyrum ponticum, Triticum ponticum, Elymus elongatus ssp. ponticus, Elytrigia elongata ssp. pontica, Elytrigia pontica ssp. pontica
Thlaspi arvense L.info riskTHAR5field pennycress42Brassicaceae1919AlaskaThlaspi arvense
Tragopogon dubius Scop.info riskTRDUyellow salsify50Asteraceae2003AlaskaTragopogon dubius, Tragopogon dubius ssp. major, Tragopogon major
Tragopogon pratensis L.TRPRJack-go-to-bed-at-noonAsteraceae2009Adjacent Canada onlyTragopogon lamottei, Tragopogon orientalis, Tragopogon pratensis ssp. orientalis
Trifolium aureum PollichTRAU2golden cloverFabaceae2005AlaskaTrifolium agrarium, Trifolium aureum
Trifolium dubium Sibth.info riskTRDU2suckling clover50Fabaceae1941AlaskaTrifolium dubium
Trifolium hybridum L.info riskTRHYalsike clover57Fabaceae1901AlaskaTrifolium hybridum ssp. elegans, Trifolium hybridum var. elegans, Trifolium hybridum var. pratense, Trifolium elegans, Trifolium hybridum
Trifolium lupinaster L.TRLUlupine cloverFabaceae1932AlaskaTrifolium lupinaster
Trifolium microcephalum PurshTRMI4smallhead cloverFabaceae1909AlaskaTrifolium microcephalum
Trifolium pratense L.info riskTRPR2red clover53Fabaceae1902AlaskaTrifolium pratense var. frigidum, Trifolium pratense var. sativum, Trifolium pratense
Trifolium repens L.info riskTRRE3white clover59Fabaceae1902AlaskaTrifolium repens, Trifolium repens var. atropurpureum
Trifolium variegatum Nutt.TRVAwhitetip cloverFabaceae1947AlaskaTrifolium variegatum var. geminiflorum, Trifolium geminiflorum, Trifolium variegatum var. major, Trifolium melananthum, Trifolium variegatum var. melananthum, Trifolium polyodon, Trifolium variegatum var. rostratum, Trifolium trilobatum, Trifolium variega
Tripleurospermum inodorum (L.) Sch. Bip.info riskTRIN11scentless false mayweed48Asteraceae1934AlaskaTripleurospermum perforatum, Matricaria inodora, Matricaria maritima ssp. inodora, Matricaria maritima var. agrestis, Matricaria perforata, Tripleurospermum inodorum, Chamomilla inodora
Triticum aestivum L.TRAEcommon wheatPoaceae1918AlaskaTriticum sativum, Triticum sphaerococcum, Triticum vulgare, Triticum aestivum, Triticum hybernum, Triticum macha
Trollius europaeus L.TREU3European globeflowerRanunculaceae2010Alaska
Turritis glabra L.TUGLtower rockcressBrassicaceae1951AlaskaArabis glabra, Arabis glabra var. furcatipilis, Arabis glabra var. glabra, Turritis glabra
Urtica urens L.URURdwarf nettleUrticaceae1941Adjacent Canada onlyUrtica urens
Vaccaria hispanica (Mill.) RauschertVAHI2cow soapwortCaryophyllaceae1909AlaskaVaccaria segetalis, Vaccaria vaccaria, Vaccaria vulgaris, Saponaria vaccaria, Vaccaria hispanica, Vaccaria pyramidata
Valeriana officinalis L.VAOFgarden valerianValerianaceaeAdjacent Canada only
Verbascum thapsus L.info riskVETHcommon mullein52Scrophulariaceae2007AlaskaVerbascum thapsus
Veronica anagallis-aquatica L.VEAN2water speedwellPlantaginaceae1968AlaskaVeronica glandifera, Veronica comosa var. glandulosa, Veronica anagallis-aquatica, Veronica micromeria, Veronica connata, Veronica catenata, Veronica salina, Veronica connata ssp. glaberrima, Veronica catenata var. glandulosa, Veronica connata var. glaber
Veronica arvensis L.VEARcorn speedwellPlantaginaceae1918AlaskaVeronica arvensis
Veronica chamaedrys L.VECHgermander speedwellPlantaginaceae1941AlaskaVeronica chamaedrys
Veronica longifolia L.VELO2longleaf speedwellPlantaginaceae1973YukonVeronica longifolia
Veronica officinalis L.VEOF2common gypsyweedPlantaginaceae2006AlaskaVeronica officinalis
Veronica peregrina L.VEPEX2purslane speedwellPlantaginaceae1919AlaskaVeronica peregrina ssp. xalapensis, Veronica peregrina var. xalapensis, Veronica sherwoodii, Veronica xalapensis
Veronica peregrina L. ssp. peregrinaVEPEPneckweedPlantaginaceae2007AlaskaVeronica peregrina ssp. peregrina, Veronica peregrina var. typica
Veronica persica Poir.VEPE3birdeye speedwellPlantaginaceae1918AlaskaVeronica persica, Veronica persica var. aschersoniana, Veronica persica var. corrensiana, Pocilla persica, Veronica buxbaumii
Veronica serpyllifolia L. ssp. serpyllifoliainfo riskVESESthymeleaf speedwell36Plantaginaceae1918AlaskaVeronica serpyllifolia ssp. serpyllifolia, Veronica serpyllifolia var. nummularioides, Veronicastrum serpyllifolium
Veronica spicata L. ssp. spicataVESPSspiked speedwellPlantaginaceae1918AlaskaVeronica spicata ssp. spicata
Viburnum opulus L.VIOPAmerican cranberrybushAdoxaceae2005AlaskaViburnum opulus
Vicia cracca L. ssp. craccainfo riskVICRCbird vetch73Fabaceae1909AlaskaVicia cracca ssp. grossheimii, Vicia semicincta, Vicia cracca ssp. cracca
Vicia hirsuta (L.) GrayVIHItiny vetchFabaceae2014AlaskaVicia hirsuta
Vicia sativa L. ssp. nigra (L.) Ehrh.VISAN2garden vetchFabaceae1918AlaskaVicia angustifolia, Vicia angustifolia var. segetalis, Vicia angustifolia var. uncinata, Vicia sativa var. angustifolia, Vicia sativa var. nigra, Vicia sativa var. segetalis, Vicia pilosa, Vicia sativa ssp. segetalis
Vicia villosa Rothinfo riskVIVIwinter vetch53Fabaceae1931AlaskaVicia villosa
Viola tricolor L.info riskVITRjohnny jumpup34Violaceae1995AlaskaViola tricolor
Vulpia myuros (L.) C.C. Gmel.VUMYannual fescuePoaceaeAdjacent Canada onlyFestuca myuros, Festuca megalura var. hirsuta, Avena muralis, Distomomischus myuros, Festuca monandra, Festuca myuros, Zerna myuros
Zostera japonica Asch. & Graebn.ZOJA2dwarf eelgrass53ZosteraceaeAlaska WatchlistZostera americana, Nanozostera japonica, Nanozostera americana

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