Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Abies balsamea balsam fir native 3 0 Abies concolor white fir non‐native 0 Abutilon theophrasti velvetleaf non‐native 0 3 Acalypha rhomboidea common threeseed mercury native 2 3 Acer ginnala Amur maple non‐native 0 Acer negundo boxelder non‐native 0 0 Acer pensylvanicum striped maple native 5 3 Acer platanoides Norway maple non‐native 0 5 Acer pseudoplatanus sycamore maple non‐native 0 Acer rubrum red maple native 2 0 Acer saccharinum silver maple native 6 ‐3 Acer saccharum sugar maple native 5 3 Acer spicatum mountain maple native 6 3 Acer x freemanii red maple x silver maple native 2 0 Achillea millefolium common yarrow non‐native 0 3 Achillea millefolium var. borealis common yarrow non‐native 0 3 Achillea millefolium var. millefolium common yarrow non‐native 0 3 Achillea millefolium var. occidentalis common yarrow non‐native 0 3 Achillea ptarmica sneezeweed non‐native 0 3 Acinos arvensis basil thyme non‐native 0 Aconitum napellus Venus' chariot non‐native 0 Acorus americanus sweetflag native 6 ‐5 Acorus calamus calamus native 6 ‐5 Actaea pachypoda white baneberry native 7 5 Actaea racemosa black baneberry non‐native 0 Actaea rubra red baneberry native 7 3 Actinidia arguta tara vine non‐native 0 Adiantum aleuticum Aleutian maidenhair native 9 3 Adiantum pedatum northern maidenhair native 8 3 Adlumia fungosa allegheny vine native 7 Aegopodium podagraria bishop's goutweed non‐native 0 0 Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Aesculus glabra Ohio buckeye non‐native 0 0 Aesculus hippocastanum horse chestnut non‐native 0 Aethusa cynapium fool's parsley non‐native 0 Agalinis maritima saltmarsh false foxglove native 7 ‐3 Agalinis neoscotica Nova Scotia false foxglove native 8 ‐3 Agalinis paupercula smallflower false foxglove native 4 ‐5 Agalinis tenuifolia slenderleaf false foxglove native 4 ‐3 Ageratina altissima white snakeroot native 6 3 Agrimonia gryposepala tall hairy agrimony native 4 3 Agrimonia striata roadside agrimony native 4 3 Agropyron pungens tick quackgrass non‐native 0 Agrostemma githago common corncockle non‐native 0 Agrostis canina velvet bentgrass native 3 5 Agrostis capillaris colonial bentgrass non‐native 0 0 Agrostis elliottiana Elliot's bentgrass non‐native 0 3 Agrostis gigantea redtop non‐native 0 ‐3 Agrostis hyemalis winter bentgrass native 4 0 Agrostis mertensii northern bentgrass native 9 3 Agrostis perennans upland bentgrass native 3 3 Agrostis scabra rough bentgrass native 2 0 Agrostis stolonifera creeping bentgrass non‐native 0 ‐3 Agrostis tenuis colonial bentgrass non‐native 0 Ailanthus altissima tree of heaven non‐native 0 5 Ajuga genevensis blue bugle non‐native 0 Ajuga reptans common bugle non‐native 0 Alchemilla xanthochlora hairy lady's mantle non‐native 0 Alisma subcordatum American water plantain native 4 ‐5 Alisma triviale northern water plantain native 4 ‐5 Alliaria petiolata garlic mustard non‐native 0 3 Allium ×proliferum garden onion non‐native 0 Allium canadense meadow garlic native 7 3 Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Allium cepa garden onion non‐native 0 Allium schoenoprasum var. sibiricum wild chives native 7 3 Allium tricoccum ramp native 8 3 Allium vineale wild garlic non‐native 0 3 Alnus glutinosa European alder non‐native 0 ‐3 Alnus incana ssp. rugosa speckled alder native 2 ‐3 Alnus serrulata hazel alder native 5 ‐5 Alnus viridis ssp. crispa mountain alder native 4 0 Alopecurus aequalis shortawn foxtail native 6 ‐5 Alopecurus geniculatus water foxtail non‐native 0 ‐5 Alopecurus myosuroides slender meadow foxtail non‐native 0 ‐3 Alopecurus pratensis meadow foxtail non‐native 0 0 Alyssum alyssoides pale madwort non‐native 0 Amaranthus albus prostrate pigweed non‐native 0 3 Amaranthus blitoides mat amaranth non‐native 0 3 Amaranthus cannabinus tidalmarsh amaranth native 7 ‐5 Amaranthus caudatus love‐lies‐bleeding non‐native 0 Amaranthus cruentus red amaranth non‐native 0 Amaranthus hybridus slim amaranth non‐native 0 Amaranthus powellii Powell's amaranth non‐native 0 Amaranthus retroflexus redroot amaranth non‐native 0 3 Amaranthus spinosus spiny amaranth non‐native 0 3 Amaranthus tuberculatus roughfruit amaranth non‐native 0 ‐5 Ambrosia artemisiifolia annual ragweed native 2 3 Ambrosia psilostachya Cuman ragweed non‐native 0 0 Ambrosia trifida great ragweed native 2 0 Amelanchier arborea common serviceberry native 5 3 Amelanchier bartramiana oblongfruit serviceberry native 6 0 Amelanchier canadensis Canadian serviceberry native 5 0 Amelanchier laevis Allegheny serviceberry native 3 Amelanchier nantucketensis Nantucket serviceberry native 4 3 Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Amelanchier sanguinea roundleaf serviceberry native 5 Amelanchier sanguinea var. gaspensis Gaspé serviceberry native 7 Amelanchier spicata low serviceberry native 4 3 Amelanchier stolonifera low serviceberry native 4 Amelanchier x intermedia intermediate serviceberry native 4 Amerorchis rotundifolia roundleaf orchid native 10 ‐5 Ammophila breviligulata American beachgrass native 6 5 Amorpha fruticosa desert false indigo non‐native 0 ‐3 Amphicarpaea bracteata American hogpeanut native 5 0 Amsinckia douglasiana Douglas' fiddleneck non‐native 0 Amsinckia menziesii Menzies' fiddleneck non‐native 0 Anagallis arvensis scarlet pimpernel non‐native 0 Anagallis arvensis ssp. arvensis scarlet pimpernel non‐native 0 Anagallis arvensis ssp. foemina poorman's weatherglass non‐native 0 Anaphalis margaritacea western pearly everlasting native 2 3 Anchusa arvensis small bugloss non‐native 0 Anchusa officinalis common bugloss non‐native 0 Andromeda polifolia var. glaucophylla bog rosemary native 8 ‐5 Andropogon gerardii big bluestem native 3 3 Anemone americana round leaf hepatica native 7 ‐3 Anemone canadensis Canadian anemone native 5 ‐3 Anemone cylindrica candle anemone native 6 Anemone multifida Pacific anemone native 9 Anemone quinquefolia wood anemone native 6 3 Anemone virginiana tall thimbleweed native 6 3 Anethum graveolens dill non‐native 0 Angelica atropurpurea purplestem angelica native 5 ‐5 Angelica lucida seacoast angelica native 5 0 Antennaria howellii Howell's pussytoes native 2 Antennaria howellii ssp. canadensis Canadian pussytoes native 2 Antennaria howellii ssp. neodioica Howell's pussytoes native 2 Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Antennaria howellii ssp. petaloidea small pussytoes native 2 Antennaria neglecta field pussytoes native 2 5 Antennaria parlinii Parlin's pussytoes native 2 Antennaria parlinii ssp. fallax Parlin's pussytoes native 2 Antennaria parlinii ssp. parlinii Parlin's pussytoes native 2 Antennaria plantaginifolia woman's tobacco native 5 Anthemis arvensis corn chamomile non‐native 0 Anthemis cotula stinking chamomile non‐native 0 3 Anthemis tinctoria golden chamomile non‐native 0 Anthoxanthum aristatum annual vernalgrass non‐native 0 Anthoxanthum monticola alpine sweetgrass native 9 Anthoxanthum odoratum sweet vernalgrass non‐native 0 3 Anthoxanthum ovatum Small sweet grass non‐native 0 Anthriscus sylvestris wild chervil non‐native 0 Apera interrupta dense silkybent non‐native 0 Apera spica‐venti loose silkybent non‐native 0 Apios americana groundnut native 4 ‐3 Apocynum androsaemifolium spreading dogbane native 3 5 Apocynum cannabinum Indianhemp native 3 0 Aquilegia canadensis red columbine native 7 3 Aquilegia vulgaris European columbine non‐native 0 Arabidopsis thaliana mouseear cress non‐native 0 Arabis drummondii Drummond's rockcress native 7 Arabis glabra tower rockcress native 2 Arabis hirsuta hairy rockcress native 6 3 Arabis laevigata smooth rockcress native 8 Arabis missouriensis green rockcress native 8 Aralia hispida bristly sarsaparilla native 5 Aralia nudicaulis wild sarsaparilla native 4 3 Aralia racemosa American spikenard native 6 3 Aralia spinosa devil's walkingstick non‐native 0 0 Coefficient of Coefficient of Scientific Name Common Name Nativity Conservatism Wetness Arceuthobium pusillum eastern dwarf mistletoe native 6 Arctium lappa greater burdock non‐native 0 Arctium minus lesser burdock non‐native 0 3 Arctium tomentosum woolly burdock non‐native 0 Arctium vulgare greater burdock non‐native 0 Arctostaphylos alpina alpine bearberry native 10 0 Arctostaphylos uva‐ursi kinnikinnick native 6 5 Arenaria serpyllifolia thymeleaf sandwort non‐native 0 0 Arethusa bulbosa dragon's mouth native 8 ‐5 Argentina anserina silverweed cinquefoil native 3 ‐3 Argentina egedii Pacific silverweed native 6 Arisaema triphyllum Jack in the pulpit native 6 0 Aristida basiramea forked threeawn native 2 Aristida dichotoma churchmouse threeawn native 2 3 Aristida oligantha prairie threeawn non‐native 0 Aristolochia macrophylla pipevine non‐native 0 Armoracia rusticana horseradish non‐native 0 Arnica lanceolata lanceleaf arnica native 9 0 Arnoseris minima lamb succory non‐native 0 Aronia melanocarpa black chokeberry native 5 0 Arrhenatherum elatius tall oatgrass non‐native 0 3 Arrhenatherum elatius var. elatius tall oatgrass non‐native 0 3 Artemisia abrotanum southernwood non‐native 0 Artemisia absinthium absinthium non‐native 0 Artemisia annua sweet sagewort non‐native 0 3 Artemisia biennis biennial wormwood non‐native 0 ‐3 Artemisia biennis var. biennis biennial wormwood non‐native 0 ‐3 Artemisia campestris ssp. canadensis field wormwood native 8 5 Artemisia campestris ssp. caudata field sagewort