Abies balsamea (balsam fir)
Abutilon theophrasti (velvet-leaf)
Acer negundo (boxelder)
Acer negundo var. interius (boxelder)
Acer negundo var. negundo (boxelder)
Acer platanoides (Norway maple)
Acer rubrum var. rubrum (red maple)
Acer saccharinum (silver maple)
Acer saccharum (sugar maple)
Acer saccharum ssp. nigrum (black maple)
Acer saccharum ssp. saccharum (sugar maple)
Acer spicatum (mountain maple)
Achillea millefolium (common yarrow)
Achillea millefolium var. millefolium (common yarrow)
Achillea millefolium var. occidentalis (western yarrow)
Actaea pachypoda (white baneberry)
Actaea rubra ssp. rubra (red baneberry)
Adiantum pedatum (northern maidenhair)
Agalinis tenuifolia (slender-leaf false foxglove)
Agastache foeniculum (blue giant hyssop)
Agastache nepetoides (yellow giant hyssop)
Agastache scrophulariifolia (purple giant hyssop)
Ageratina altissima var. altissima (white snakeroot)
Agrimonia gryposepala (common agrimony)
Alliaria petiolata (garlic mustard)
Allium burdickii (narrow-leaved wild leek)
Allium canadense var. canadense (meadow garlic)
Allium cernuum var. cernuum (nodding wild onion)
Allium stellatum (prairie onion)
Allium textile (textile onion)
Allium tricoccum (wild leek)
Alnus incana ssp. rugosa (speckled alder)
Alnus viridis ssp. crispa (green alder)
Amaranthus hybridus (green amaranth)
Amaranthus retroflexus (redroot amaranth)
Ambrosia artemisiifolia (common ragweed)
Ambrosia psilostachya (western ragweed)
Ambrosia trifida var. trifida (giant ragweed)
Ammannia coccinea (scarlet toothcup)
Amorpha canescens (leadplant)
Amorpha fruticosa (desert false indigo)
Amorpha nana (dwarf false indigo)
Amphicarpaea bracteata (American hog peanut)
Amphicarpaea bracteata var. bracteata (American hog peanut)
Amphicarpaea bracteata var. comosa (American hog peanut)
Anaphalis margaritacea (pearly everlasting)
Andropogon gerardii (big bluestem)
Anemone acutiloba (sharp-lobed hepatica)
Anemone americana (round-lobed hepatica)
Anemone canadensis (Canada anemone)
Anemone caroliniana (Carolina anemone)
Anemone cylindrica (candle anemone)
Anemone patens var. multifida (American pasqueflower)
Anemone quinquefolia var. quinquefolia (wood anemone)
Angelica atropurpurea (purple-stem angelica)
Antennaria neglecta (field pussytoes)
Antennaria parlinii (Parlin’s pussytoes)
Antennaria parlinii ssp. fallax (Parlin’s pussytoes)
Antennaria parlinii ssp. parlinii (Parlin’s pussytoes)
Antennaria plantaginifolia (plantain-leaved pussytoes)
Anticlea elegans (mountain death camas)
Anticlea elegans var. elegans (mountain death camas)
Anticlea elegans var. glaucus (mountain death camas)
Aplectrum hyemale (puttyroot)
Apocynum androsaemifolium (spreading dogbane)
Apocynum cannabinum (Indian hemp)
Aquilegia brevistyla (smallflower columbine)
Aquilegia canadensis (wild columbine)
Arabidopsis lyrata ssp. lyrata (lyre-leaved rock cress)
Arctium lappa (great burdock)
Arctium minus (common burdock)
Arctium tomentosum (woolly burdock)
Arisaema triphyllum (Jack-in-the-pulpit)
Arnoglossum atriplicifolium (pale Indian plantain)
Artemisia absinthium (absinth wormwood)
Artemisia campestris (field sagewort)
Artemisia campestris ssp. caudata (field sagewort)
Artemisia dracunculus (tarragon)
Artemisia frigida (prairie sagewort)
Artemisia ludoviciana ssp. ludoviciana (white sage)
Asarum canadense (wild ginger)
Asclepias amplexicaulis (clasping milkweed)
Asclepias exaltata (poke milkweed)
Asclepias hirtella (prairie milkweed)
Asclepias incarnata ssp. incarnata (swamp milkweed)
Asclepias lanuginosa (woolly milkweed)
Asclepias ovalifolia (dwarf milkweed)
Asclepias purpurascens (purple milkweed)
Asclepias speciosa (showy milkweed)
Asclepias sullivantii (Sullivant’s milkweed)
Asclepias syriaca (common milkweed)
Asclepias tuberosa ssp. interior (butterfly weed)
Asclepias verticillata (whorled milkweed)
Asclepias viridiflora (green milkweed)
Asparagus officinalis (asparagus)
Astragalus canadensis var. canadensis (Canadian milkvetch)
Astragalus crassicarpus var. crassicarpus (ground plum)
Astragalus neglectus (Cooper’s milkvetch)
Athyrium filix-femina (lady fern)
Athyrium filix-femina ssp. angustum (northern lady fern)
Athyrium filix-femina ssp. cyclosorum (northwestern lady fern)
Avena fatua (wild oat)
Avena sativa (common oat) |