Integrated Taxonomic Information System - Search Results

Results of: Search in every Kingdom for Taxon Author(s) Name(s) containing 'Michx.'
 Kingdom Fungi
  Bryoria trichodes (Michx.) Brodo & D. Hawksw. – accepted
  Bryoria trichodes var. trichodes (Michx.) Brodo & D. Hawksw. – accepted
  Cladonia sulphurina (Michx.) Fr. – accepted
  Usnea strigosa var. major (Michx.) I.I. Tav. – accepted
  Usnea strigosa var. rubiginea (Michx.) I.I. Tav. – accepted
  Anaptychia palmulata (Michx.) Vain. – accepted
  Teloschistes exilis (Michx.) Vain. – accepted
 Kingdom Plantae
  Malus angustifolia (Aiton) Michx. – accepted – southern crabapple, southern crab apple, narrow-leaved crabapple
  Malus angustifolia var. angustifolia (Aiton) Michx. – not accepted – southern crabapple, southern crab apple
  Ampelopsis cordata auct. non Michx. – not accepted
  Carex lanuginosa auct. non Michx. – not accepted – woolly sedge
  Euphorbia dentata auct. non Michx. – not accepted
  Gentiana puberula auct. non Michx. – not accepted
  Helianthus tomentosus auct. non Michx. – not accepted
  Juncus aristulatus auct. non Michx. – not accepted
  Scirpus lineatus auct. non Michx. – not accepted – drooping bulrush
  Satureja caroliniana auct. non (Michx.) Briq. – not accepted
  Helenium fimbriatum auct. non (Michx.) Eaton – not accepted
  Sabatia paniculata auct. non (Michx.) Pursh – not accepted
  Acer nigrum F. Michx. – accepted – sugar maple, black sugar maple, hard maple, rock maple, érable noir, black maple
  Betula lutea F. Michx. – not accepted
  Mespilus arborea F. Michx. – not accepted
  Quercus borealis F. Michx. – not accepted
  Salix ligustrina F. Michx. – not accepted
  Acer saccharum var. nigrum (F. Michx.) Britton – not accepted
  Hicoria aquatica (F. Michx.) Britton – not accepted
  Hicoria myristiciformis (F. Michx.) Britton – not accepted
  Acer saccharum ssp. nigrum (F. Michx.) Desmarais – not accepted
  Carya aquatica (F. Michx.) Elliott – accepted
  Carya myristiciformis (F. Michx.) Elliott – accepted – nutmeg hickory
  Quercus rubra var. borealis (F. Michx.) Farw. – not accepted
  Amelanchier arborea (F. Michx.) Fernald – accepted – Allegheny serviceberry, apple shadbush, downy serviceberry, shadblow, common serviceberry
  Amelanchier arborea var. arborea (F. Michx.) Fernald – not accepted – common serviceberry
  Cladrastis lutea (F. Michx.) K. Koch – not accepted
  Quercus X heterophylla F. Michx. (pro sp.) – accepted – oddleaf oak
  Saccharodendron nigrum (F. Michx.) Small – not accepted
  Ledum palustre var. latifolium (Jacq.) Michx. – not accepted
  Eupatorium glandulosum Kunth non Michx. – not accepted
  Ampelopsis quinquefolia (L.) Michx. – not accepted
  Caulophyllum thalictroides (L.) Michx. – accepted – caulophylle faux-pigamon, papoose-root, squaw-root, blue cohosh
  Cerasus pumila (L.) Michx. – not accepted
  Cirsium virginianum (L.) Michx. – accepted – Virginia thistle
  Helianthemum canadense (L.) Michx. – not accepted – Canada frostweed, hélianthčme du Canada, longbranch frostweed
  Liatris squarrosa (L.) Michx. – accepted – scaly blazing star, scaly gayfeather
  Liatris squarrosa var. squarrosa (L.) Michx. – accepted – scaly blazing star, Alabama blazing star
  Lippia nodiflora (L.) Michx. – not accepted
  Pycnanthemum incanum (L.) Michx. – accepted – hoary mountainmint
  Pycnanthemum incanum var. incanum (L.) Michx. – accepted – hoary mountainmint
  Trachynotia cynosuroides (L.) Michx. – not accepted
  Vernonia noveboracensis (L.) Michx. – accepted – New York ironweed
  Veronia noveboracensis (L.) Michx. – not accepted
  Clethra alnifolia var. tomentosa (Lam.) Michx. – not accepted
  Acer barbatum Michx. – not accepted – Florida maple, hammock maple, southern sugar maple
  Aeschynomene viscidula Michx. – accepted – sticky jointvetch
  Agrimonia striata Michx. – accepted – woodland groovebur, roadside agrimony
  Agrostis aspera Michx. – not accepted
  Agrostis dispar Michx. – not accepted
  Agrostis juncea Michx. – not accepted
  Agrostis lateriflora Michx. – not accepted
  Agrostis racemosa Michx. – not accepted
  Aira ambigua Michx. – not accepted
  Aira melicoides Michx. – not accepted
  Aira obtusata Michx. – not accepted
  Allionia nyctaginea Michx. – not accepted
  Allium mutabile Michx. – not accepted
  Alopecurus aristulatus Michx. – not accepted
  Ambrosia bidentata Michx. – accepted – lanceleaf ragweed
  Ambrosia paniculata Michx. – not accepted
  Ampelopsis Michx. – accepted – peppervine
  Ampelopsis bipinnata Michx. – not accepted
  Ampelopsis cordata Michx. – accepted – heartleaf ampelopsis, heartleaf peppervine
  Andromeda speciosa Michx. – not accepted
  Andropogon ambiguus Michx. – not accepted
  Andropogon avenaceum Michx. – not accepted
  Andropogon avenaceus Michx. – not accepted
  Andropogon dissitiflorum Michx. – not accepted
  Andropogon dissitiflorus Michx. – not accepted
  Andropogon macrourum Michx. – not accepted
  Andropogon macrourus Michx. – not accepted
  Andropogon macrourus var. macrourus Michx. – not accepted
  Andropogon scoparius Michx. – not accepted
  Andropogon scoparius f. scoparius Michx. – not accepted
  Andropogon scoparius var. scoparius Michx. – not accepted
  Andropogon ternarius Michx. – accepted – splitbeard bluestem
  Andropogon ternarius var. ternarius Michx. – not accepted – splitbeard bluestem
  Anemone parviflora Michx. – accepted – smallflowered anemone
  Anemone parviflora var. parviflora Michx. – not accepted – smallflowered anemone
  Angelica triquinata Michx. – accepted – filmy angelica
  Anthoceros carolinianus Michx. – not accepted
  Anychia dichotoma Michx. – not accepted
  Arenaria glabra Michx. – not accepted
  Arenaria patula Michx. – not accepted
  Arenaria stricta Michx. – not accepted
  Aristida dichotoma Michx. – accepted – churchmouse threeawn
  Aristida dichotoma var. dichotoma Michx. – accepted – churchmouse threeawn
  Aristida oligantha Michx. – accepted – prairie threeawn, Oldfield (Prairie) 3-awn, oldfield threeawn
  Aristida stricta Michx. – accepted – pineland threeawn
  Aristida stricta var. stricta Michx. – not accepted
  Artemisia canadensis Michx. – not accepted
  Artemisia caudata Michx. – not accepted
  Arundinaria Michx. – accepted – cane
  Arundinaria macrosperma Michx. – not accepted
  Arundo canadensis Michx. – not accepted
  Asarum arifolium Michx. – not accepted
  Asclepias laurifolia Michx. – not accepted
  Asclepias longifolia Michx. – accepted – longleaf milkweed
  Ascyrum pumilum Michx. – not accepted
  Aster acuminatus Michx. – not accepted
  Aster acuminatus var. acuminatus Michx. – not accepted – whorled wood aster
  Aster cordidifolius Michx. – not accepted
  Aster coridifolius Michx. – not accepted
  Aster diversifolius Michx. – not accepted
  Aster infirmus Michx. – not accepted
  Aster solidagineus Michx. – not accepted
  Aster subulatus Michx. – not accepted – annual saltmarsh aster
  Aster subulatus var. subulatus Michx. – not accepted – annual saltmarsh aster
  Aster surculosus Michx. – not accepted – creeping aster
  Aster tortifolius Michx. – not accepted
  Aster villosus Michx. – not accepted
  Astragalus villosus Michx. – accepted – bearded milkvetch
  Avena glumosa Michx. – not accepted
  Avena mollis Michx. – not accepted
  Avena palustris Michx. – not accepted
  Avena striata Michx. – not accepted
  Azalea calendulacea Michx. – not accepted
  Azalea calendulacea var. flammea Michx. – not accepted
  Azalea calendulaceum var. crocea Michx. – not accepted
  Azalea canescens Michx. – not accepted
  Azalea periclymenoides Michx. – not accepted
  Azalea pilosa Michx. – not accepted
  Baccharis angustifolia Michx. – accepted – saltwater false willow
  Bartramia longiseta Michx. – not accepted
  Batschia canescens Michx. – not accepted
  Bejaria paniculata Michx. – not accepted
  Bellis integrifolia Michx. – not accepted
  Betula glandulosa Michx. – accepted – resin birch
  Briza canadensis Michx. – not accepted
  Bromus canadensis Michx. – not accepted – Canadian brome
  Campanula divaricata Michx. – accepted – small bonny bellflower
  Campanula flexuosa Michx. – not accepted
  Cardamine rotundifolia Michx. – accepted – American bittercress
  Cardamine teres Michx. – not accepted
  Cardamine uniflora Michx. – not accepted
  Carex debilis Michx. – accepted – white edge sedge
  Carex debilis var. debilis Michx. – accepted – white edge sedge
  Carex languinosa Michx. – not accepted
  Carex lanuginosa Michx. – not accepted
  Carex lenticularis Michx. – accepted – shore sedge, tufted sedge, lakeshore sedge
  Carex lenticularis var. lenticularis Michx. – accepted – lakeshore sedge
  Carex miliaris Michx. – not accepted
  Carex oligosperma Michx. – accepted – fewseed sedge
  Carex oligosperma var. oligosperma Michx. – not accepted – fewseed sedge
  Carex paupercula Michx. – not accepted
  Carex scirpoidea Michx. – accepted – Canadian single-spike sedge, downy sedge, northern singlespike sedge
  Carex scirpoidea ssp. scirpoidea Michx. – accepted – northern singlespike sedge
  Carex striata Michx. – accepted – Walter's sedge
  Carex striata var. striata Michx. – not accepted – Walter's sedge
  Carex striatula Michx. – accepted – lined sedge
  Carex triceps Michx. – not accepted
  Carex typhina Michx. – accepted – cat-tail sedge, cattail sedge
  Carex viridula Michx. – accepted – green sedge, little green sedge
  Carex viridula ssp. viridula Michx. – accepted – little green sedge, green sedge
  Carex viridula var. viridula Michx. – accepted – little green sedge
  Carex vulpinoidea Michx. – accepted – common fox sedge, fox sedge
  Carex vulpinoidea var. vulpinoidea Michx. – not accepted – fox sedge
  Carpinus americana Michx. – not accepted
  Cassia fasciculata Michx. – not accepted – partridge pea, showy partridgepea, sleepingplant
  Caulophyllum Michx. – accepted – caulophylle, blue cohosh, cohosh
  Ceanothus microphyllus Michx. – accepted – littleleaf buckbrush
  Centaurella paniculata Michx. – not accepted
  Centaurella verna Michx. – not accepted
  Ceratiola Michx. – accepted – ceratiola
  Ceratiola ericoides Michx. – accepted – sand heath, Florida-rosemary, sandhill-rosemary
  Chloris curtipendula Michx. – not accepted
  Chloris monostachya Michx. – not accepted
  Chloris mucronata Michx. – not accepted
  Chrysobalanus oblongifolius Michx. – not accepted
  Chrysocoma nudata Michx. – not accepted
  Cimicifuga americana Michx. – not accepted – mountain bugbane
  Cirsium horridulum Michx. – accepted – yellow thistle
  Cirsium horridulum var. horridulum Michx. – accepted – yellow thistle
  Cirsium muticum Michx. – accepted – swamp thistle
  Cirsium repandum Michx. – accepted – sandhill thistle
  Claytonia caroliniana Michx. – accepted – Carolina springbeauty
  Claytonia caroliniana var. caroliniana Michx. – not accepted – Carolina springbeauty
  Clethra acuminata Michx. – accepted – cinnamon clethra, mountain sweet pepperbush, mountain sweetpepperbush
  Clethra alnifolia var. glabella Michx. – not accepted
  Collinsonia tuberosa Michx. – not accepted – deepwoods horsebalm
  Commelina angustifolia Michx. – not accepted
  Commelina longifolia Michx. – not accepted
  Coreopsis lanceolata var. villosa Michx. – not accepted
  Coreopsis latifolia Michx. – accepted – broadleaf tickseed
  Cornus asperifolia Michx. – accepted – toughleaf dogwood
  Cornus stolonifera Michx. – not accepted – red-osier dogwood
  Cornus stolonifera var. stolonifera Michx. – not accepted
  Crataegus spathulata Michx. – accepted – littlehip hawthorn
  Crotalaria sagittalis var. oblonga Michx. – not accepted
  Croton argyranthemus Michx. – accepted – silverleaf croton, silver croton, healing croton
  Croton capitatus Michx. – accepted – doveweed, hogweed, woolly croton, capitate croton, hogwort
  Croton capitatus var. capitatus Michx. – accepted – hogwort
  Croton disjunctiflorus Michx. – not accepted
  Croton monanthogynus Michx. – accepted – prairie-tea, oneseeded croton, prairie tea
  Crotonopsis Michx. – not accepted
  Crotonopsis linearis Michx. – not accepted
  Cteisium Michx. – not accepted
  Cunila glabella Michx. – not accepted
  Cyperus flavicomus Michx. – accepted – whiteedge flatsedge, white-edge flatsedge
  Cyperus virens Michx. – accepted – green flatsedge
  Cyperus virens var. virens Michx. – not accepted – green flatsedge
  Cyrilla antillana Michx. – not accepted
  Daucus pusillus Michx. – accepted – southwest wild carrot, rattlesnake carrot, rattlesnake weed, American wild carrot
  Delphinium azureum Michx. – not accepted
  Delphinium tricorne Michx. – accepted – rock larkspur, dwarf larkspur
  Dentaria concatenata Michx. – not accepted
  Dentaria diphylla Michx. – not accepted
  Dichondra carolinensis Michx. – accepted – grass ponysfoot, Carolina ponysfoot
  Dichromena Michx. – not accepted
  Digitaria paspalodes Michx. – not accepted
  Digitaria paspaloides Michx. – not accepted
  Digitaria pilosa Michx. – not accepted
  Dilepyrum Michx. – not accepted
  Dilepyrum aristosum Michx. – not accepted
  Dilepyrum minutiflorum Michx. – not accepted
  Diphylleia Michx. – accepted – umbrellaleaf
  Diphylleia cymosa Michx. – accepted – American umbrellaleaf
  Draba arabisans Michx. – accepted – rock draba
  Eleusine mucronata Michx. – not accepted
  Elodea Michx. – accepted – water weed, waterweed
  Elodea canadensis Michx. – accepted – broad waterweed, Canada waterweed, Canadian waterweed
  Elytraria Michx. – accepted – scalystem
  Elytraria virgata Michx. – not accepted
  Epilobium oliganthum Michx. – not accepted
  Equisetum scirpoides Michx. – accepted – dwarf scouringrush, pręle faux-scirpe
  Erianthus Michx. – not accepted
  Erianthus brevibarbis Michx. – not accepted
  Erianthus brevibarbis var. brevibarbis Michx. – not accepted
  Erianthus saccharoides Michx. – not accepted
  Erianthus saccharoides ssp. saccharoides Michx. – not accepted
  Erigeron divaricatus Michx. – not accepted
  Erigeron hyssopifolius Michx. – accepted – hyssopleaf fleabane
  Erigeron hyssopifolius var. hyssopifolius Michx. – not accepted – hyssopleaf fleabane
  Erigeron pulchellus Michx. – accepted – robin's plantain, poor robin fleabane
  Erigeron pulchellus var. pulchellus Michx. – accepted – robin's plantain
  Eriocaulon flavidulum Michx. – not accepted
  Eriocaulon flavidulus Michx. – not accepted
  Eriocaulon pellucidum Michx. – not accepted
  Eriogonum Michx. – accepted – ériogones, wild buckwheat, buckwheat
  Eriogonum tomentosum Michx. – accepted – dogtongue buckwheat
  Eryngium yuccifolium Michx. – accepted – button snakeroot, Yuccaleaf eryngo, button eryngo
  Eryngium yuccifolium var. yuccifolium Michx. – accepted – button eryngo
  Eupatorium falcatum Michx. – not accepted
  Eupatorium glandulosum Michx. – not accepted
  Eupatorium serotinum Michx. – accepted – lateflowering thoroughwort, late eupatorium
  Euphorbia dentata Michx. – accepted – toothed spurge, toothedleaf poinsettia, toothed euphorbia
  Euphorbia dentata var. dentata Michx. – not accepted – toothedleaf poinsettia, toothed spurge
  Euphorbia graminifolia Michx. – not accepted
  Euphorbia mercurialina Michx. – accepted – mercury spurge
  Euphorbia pubentissima Michx. – accepted – false flowering spurge, southeastern flowering spurge
  Festuca diandra Michx. – not accepted
  Festuca distichophylla Michx. – not accepted
  Festuca poaeoides Michx. – not accepted
  Festuca polystachya Michx. – not accepted
  Fissidens sciuroides var. vaginatus Michx. – not accepted
  Fragaria canadensis Michx. – not accepted
  Frasera walteri Michx. – not accepted
  Fraxinus quadrangulata Michx. – accepted – blue ash
  Fuirena scirpoidea Michx. – accepted – southern umbrellasedge, southern umbrella-sedge
  Fuirena squarrosa Michx. – accepted – hairy umbrellasedge, hairy umbrella-sedge
  Funaria flavicans Michx. – accepted
  Gaillardia lanceolata Michx. – not accepted
  Galactia glabella Michx. – not accepted
  Galactia mollis Michx. – accepted – soft milkpea
  Galium asprellum Michx. – accepted – rough bedstraw
  Galium circaezans Michx. – accepted – licorice bedstraw, wild licorice, woods bedstraw
  Galium circaezans var. circaezans Michx. – accepted – licorice bedstraw, northern bedstraw
  Galium claytonii Michx. – not accepted
  Galium hispidulum Michx. – not accepted – coastal bedstraw
  Galium latifolium Michx. – accepted – purple bedstraw
  Galium puncticulosum Michx. – not accepted
  Galium triflorum Michx. – accepted – sweetscented bedstraw, sweet bedstraw, fragrant bedstraw
  Galium uniflorum Michx. – accepted – oneflower bedstraw
  Gaura angustifolia Michx. – not accepted – southern beeblossom
  Gentiana acuta Michx. – not accepted
  Gentiana puberula Michx. – not accepted
  Gerardia auriculata Michx. – not accepted
  Geum geniculatum Michx. – accepted – bent avens
  Geum radiatum Michx. – accepted – spreading avens, Appalachian avens
  Gonolobus Michx. – accepted
  Gonolobus laevis Michx. – not accepted
  Gratiola pilosa Michx. – accepted – shaggy hedgehyssop
  Halesia parviflora Michx. – not accepted – little silverbell
  Hedysarum alpinum var. americanum Michx. – not accepted – American alpine sweetvetch
  Helianthemum corymbosa Michx. – not accepted
  Helianthemum corymbosum Michx. – not accepted – pinebarren frostweed, pine barren frostweed
  Helianthus tomentosus Michx. – not accepted
  Heracleum lanatum Michx. – not accepted – common cowparsnip, cow parsnip
  Hesperis pinnatifida Michx. – not accepted
  Hesperis pinnatifidus Michx. – not accepted
  Heuchera villosa Michx. – accepted – maple-leaved alumroot, hairy alumroot
  Heuchera villosa var. villosa Michx. – accepted – hairy alumroot
  Hibiscus grandiflorus Michx. – accepted – swamp rosemallow, swamp rose-mallow
  Hibiscus scaber Michx. – not accepted
  Hieracium canadense Michx. – accepted – Canadian hawkweed, yellow hawkweed
  Hieracium canadense var. canadense Michx. – not accepted – Canadian hawkweed
  Hieracium gronovii var. foliosum Michx. – not accepted
  Hieracium scabrum Michx. – accepted – rough hawkweed
  Hieracium scabrum var. scabrum Michx. – not accepted – rough hawkweed
  Houstonia angustifolia Michx. – not accepted
  Houstonia rotundifolia Michx. – not accepted
  Houstonia serpyllifolia Michx. – accepted – thymeleaf bluet
  Hydrocotyle lineata Michx. – not accepted
  Hydrophyllum appendiculatum Michx. – accepted – great waterleaf
  Hypericum frondosum Michx. – accepted – cedarglade St. Johnswort
  Hypericum sphaerocarpum Michx. – accepted – roundseed St. Johnswort
  Hypnum protensum Michx. – not accepted
  Hypnum reptile Michx. – not accepted
  Inula gossypina Michx. – not accepted
  Ipomoea macrorhiza Michx. – accepted – largeroot morningglory, largeroot morning-glory
  Ipomopsis Michx. – accepted
  Isanthus Michx. – not accepted – fluxweed
  Jatropha stimulosa Michx. – not accepted
  Juncus acuminatus Michx. – accepted – sharp-fruit rush, tapertip rush
  Juncus aristulatus Michx. – not accepted
  Juncus melanocarpus Michx. – not accepted
  Juncus platycephalus Michx. – not accepted
  Juncus polycephalus Michx. – accepted – flatleaf rush, manyhead rush
  Juncus repens Michx. – accepted – lesser creeping rush
  Jussiaea grandiflora Michx. – not accepted
  Justicia humilis Michx. – not accepted
  Kalmia cuneata Michx. – accepted – white-wicky, whitewicky
  Kyllinga pumila Michx. – accepted – low spikesedge
  Lactuca graminifolia Michx. – accepted – grassleaf lettuce, grass-leaf lettuce
  Lactuca graminifolia var. graminifolia Michx. – accepted – grassleaf lettuce
  Lechea racemulosa Michx. – accepted – Illinois pinweed
  Lechea tenuifolia Michx. – accepted – narrowleaf pinweed
  Lechea thymifolia Michx. – not accepted
  Leersia lenticularis Michx. – accepted – catchfly grass
  Leskea adnata Michx. – not accepted
  Leskea recurvans Michx. – not accepted
  Lespedeza Michx. – accepted
  Lespedeza capitata Michx. – accepted – roundhead lespedeza
  Lespedeza polystachya Michx. – not accepted
  Lespedeza procumbens Michx. – accepted – trailing lespedeza
  Liatris aspera Michx. – accepted – tall blazing star, tall gayfeather, rough gayfeather
  Liatris aspera var. aspera Michx. – not accepted – tall blazing star, tall gayfeather
  Liatris cylindracea Michx. – accepted – Ontario blazing star
  Liatris pycnostachya Michx. – accepted – prairie blazing star, cat-tail gayfeather, Kansas gayfeather
  Liatris pycnostachya var. pycnostachya Michx. – accepted – prairie blazing star, cattail gayfeather
  Liatris spheroidea Michx. – not accepted – spherical blazing star
  Liatris squarrulosa Michx. – accepted – Appalachian blazing star, tall gayfeather, Appalachian gayfeather
  Lippia lanceolata Michx. – not accepted
  Lithospermum angustifolium Michx. – not accepted
  Lithospermum latifolium Michx. – accepted – American stoneseed
  Lobelia amoena Michx. – accepted – southern lobelia
  Lobelia amoena var. amoena Michx. – not accepted – southern lobelia
  Lobelia puberula Michx. – accepted – downy lobelia
  Lobelia puberula var. puberula Michx. – accepted – downy lobelia
  Ludwigia microcarpa Michx. – accepted – smallfruit primrosewillow, smallfruit primrose-willow
  Ludwigia virgata Michx. – accepted – savannah primrose-willow
  Lycopodium dendroideum Michx. – accepted – tree groundpine
  Lycopodium lucidulum Michx. – not accepted
  Lycopus uniflorus Michx. – accepted – oneflower bugleweed, bugleweed, northern water-horehound, northern bugleweed
  Lycopus uniflorus var. uniflorus Michx. – accepted – northern bugleweed
  Lysimachia hybrida Michx. – accepted – lowland yellow loosestrife, Mississippi loosestrife, lowland yellow-loosestrife, lance-leaf loosestrife, lysimaque hybride
  Magnolia cordata Michx. – not accepted
  Magnolia macrophylla Michx. – accepted – bigleaf magnolia
  Malaxis unifolia Michx. – accepted – Malaxis unifolia, green addersmouth orchid, green adder's-mouth orchid
  Mayaca aubletii Michx. – not accepted
  Melanthera deltoidea Michx. – not accepted
  Melanthera hastata Michx. – not accepted
  Melica glabra Michx. – not accepted
  Mespilus arbutifolia var. melanocarpa Michx. – not accepted
  Mespilus canadensis var. obovalis Michx. – not accepted
  Micranthemum Michx. – accepted – mudflower
  Mimosa illinoensis Michx. – not accepted
  Mitella prostrata Michx. – not accepted – creeping bishop's cap
  Monarda allophylla Michx. – not accepted
  Monotropa lanuginosa Michx. – not accepted
  Myrica cerifera var. pumila Michx. – not accepted
  Myriophyllum heterophyllum Michx. – accepted – broadleaf water-milfoil, changeleaf parrotfeather, two-leaf water-milfoil, twoleaf watermilfoil
  Myriophyllum scabratum Michx. – not accepted
  Narthecium glutinosum Michx. – not accepted
  Narthecium pusillum Michx. – not accepted
  Nolina Michx. – accepted – beargrass
  Nolina georgiana Michx. – accepted – Georgia beargrass
  Onosmodium Michx. – accepted – marbleseed
  Onosmodium molle Michx. – not accepted – false gromwell, soft-hair marbleseed, smooth onosmodium, softhair marbleseed
  Onosmodium molle ssp. molle Michx. – not accepted – softhair marbleseed
  Orchidocarpum parviflorum Michx. – not accepted
  Oryzopsis Michx. – accepted – ricegrass
  Oryzopsis asperifolia Michx. – accepted – roughleaf ricegrass, white-grain mountain-rice gras
  Pachysandra Michx. – accepted
  Pachysandra procumbens Michx. – accepted – Allegheny-spurge
  Panicum anceps Michx. – not accepted – beaked panicum, beaked panicgrass
  Panicum anceps ssp. anceps Michx. – not accepted
  Panicum anceps var. anceps Michx. – not accepted
  Panicum barbatum Michx. – not accepted
  Panicum barbulatum Michx. – not accepted
  Panicum dichotomiflorum Michx. – accepted – western witchgrass, fall panicum, fall panicgrass, fall panic
  Panicum dichotomiflorum ssp. dichotomiflorum Michx. – accepted
  Panicum dichotomiflorum var. dichotomiflorum Michx. – not accepted – western witchgrass, fall panicum, fall panicgrass
  Panicum divaricatum Michx. – not accepted
  Panicum melicarium Michx. – not accepted
  Panicum molle Michx. – not accepted
  Panicum muricatum Michx. – not accepted
  Panicum pauciflorum Michx. – not accepted
  Panicum ramulosum Michx. – not accepted
  Parnassia caroliniana Michx. – accepted – Carolina grass of Parnassus, Carolina grass-of-parnassus
  Paspalum ciliatifolium Michx. – not accepted
  Paspalum ciliatifolium var. ciliatifolium Michx. – not accepted
  Paspalum debile Michx. – not accepted
  Paspalum floridanum Michx. – accepted – Florida paspalum
  Paspalum floridanum var. floridanum Michx. – accepted
  Paspalum laeve Michx. – accepted – field paspalum
  Paspalum laeve var. laeve Michx. – not accepted – field paspalum
  Paspalum plicatulum Michx. – accepted – brownseed paspalum
  Paspalum plicatulum ssp. plicatulum Michx. – not accepted
  Paspalum plicatulum var. plicatulum Michx. – not accepted
  Paspalum setaceum Michx. – accepted – thin paspalum, slender crown grass, fringeleaf paspalum, sand paspalum
  Paspalum setaceum var. setaceum Michx. – accepted
  Pedicularis gladiata Michx. – not accepted
  Pedicularis lanceolata Michx. – accepted – swamp lousewort
  Petalostemon candidus Michx. – not accepted
  Petalostemon carneus Michx. – not accepted
  Phacelia bipinnatifida Michx. – accepted – fernleaf phacelia
  Phacelia fimbriata Michx. – accepted – fringed phacelia
  Phalaris villosa Michx. – not accepted
  Phlox latifolia Michx. – accepted – wideflower phlox
  Physalis lanceolata Michx. – accepted – sword groundcherry, lanceleaf groundcherry
  Pinckneya Michx. – accepted
  Pinckneya pubens Michx. – not accepted
  Pinguicula pumila Michx. – accepted – small butterwort
  Pinus serotina Michx. – accepted – pond pine, marsh pine, pocosin pine
  Plantago aristata Michx. – accepted – bottlebrush Indianwheat, largebracted plantain
  Plantago sparsiflora Michx. – accepted – pineland plantain
  Pleea Michx. – accepted – pleea
  Pleea tenuifolia Michx. – accepted – rush featherling
  Poa crocata Michx. – not accepted
  Poa hirsuta Michx. – not accepted
  Poa pectinacea Michx. – not accepted
  Poa reptans Michx. – not accepted
  Poa sesleroides Michx. – not accepted
  Poa striata Michx. – not accepted
  Podostemum Michx. – accepted – riverweed
  Podostemum ceratophyllum Michx. – accepted – threadfoot, podostémon ŕ feuilles cornées, hornleaf riverweed
  Polygala setacea Michx. – accepted – coastal plain milkwort
  Polygonella Michx. – accepted – jointweed
  Polygonum amphibium var. emersum Michx. – not accepted – colored smartweed, devil's shoestring, swamp smartweed, tanweed, longroot smartweed
  Polygonum cilinode Michx. – not accepted – fringed black bindweed
  Polygonum hydropiperoides Michx. – not accepted – swamp smartweed
  Polygonum hydropiperoides var. hydropiperoides Michx. – not accepted
  Polygonum ramosissimum Michx. – accepted – yellow-flower knotweed, tall knotweed, yellow knotweed, bushy knotweed
  Polygonum ramosissimum ssp. ramosissimum Michx. – accepted – bushy knotweed
  Polygonum ramosissimum var. ramosissimum Michx. – not accepted – bushy knotweed, yellow-flower knotweed
  Polygonum tenue Michx. – accepted – pleatleaf knotweed
  Polygonum tenue var. tenue Michx. – not accepted – pleatleaf knotweed
  Polyonum hydropiperoides Michx. – not accepted
  Polyonum hydropiperoides var. hydropiperoides Michx. – not accepted
  Polytrichum brachyphyllum Michx. – not accepted
  Polytrichum capillare Michx. – not accepted
  Polytrichum perigoniale Michx. – not accepted
  Populus grandidentata Michx. – accepted – bigtooth aspen
  Populus tremuloides Michx. – accepted – quaking aspen
  Potentilla simplex Michx. – accepted – spreading cinquefoil, oldfield cinquefoil, oldfield fivefingers, common cinquefoil
  Prenanthes aspera Michx. – accepted – rough rattlesnakeroot
  Prenanthes crepidinea Michx. – accepted – nodding rattlesnakeroot
  Prenanthes racemosa Michx. – accepted – purple rattlesnakeroot, purple rattlesnake-root
  Prenanthes racemosa ssp. racemosa Michx. – not accepted – purple rattlesnakeroot
  Prenanthes racemosa ssp. racemosa var. racemosa Michx. – not accepted – purple rattlesnakeroot
  Prenanthes racemosa var. racemosa Michx. – not accepted
  Prenanthes virgata Michx. – not accepted
  Primula mistassinica Michx. – accepted – bird's-eye primrose, Mistassini primrose
  Primula mistassinica var. mistassinica Michx. – not accepted – Lake Mistassini primrose
  Psoralea canescens Michx. – not accepted
  Psoralea lupinella Michx. – not accepted
  Psoralea lupinellus Michx. – not accepted
  Pycnanthemum Michx. – accepted – mountainmint
  Pycnanthemum aristatum Michx. – not accepted
  Pycnanthemum montanum Michx. – accepted – thinleaf mountainmint
  Pyrola asarifolia Michx. – accepted – liverleaf wintergreen, bog wintergreen, pink wintergreen
  Pyrola asarifolia ssp. asarifolia Michx. – accepted – liverleaf wintergreen, bog wintergreen
  Pyrularia Michx. – accepted
  Pyrularia pubera Michx. – accepted – buffalo nut
  Pyxidanthera Michx. – accepted – pixiemoss
  Pyxidanthera barbulata Michx. – accepted – flowering pixiemoss
  Pyxidanthera barbulata var. barbulata Michx. – not accepted – flowering pixiemoss
  Quercus catesbaei Michx. – not accepted
  Quercus cinerea Michx. – not accepted
  Quercus falcata Michx. – accepted – southern red oak
  Quercus imbricaria Michx. – accepted – shingle oak
  Quercus laurifolia Michx. – accepted – laurel oak
  Quercus macrocarpa Michx. – accepted – bur oak
  Quercus macrocarpa var. macrocarpa Michx. – not accepted – bur oak
  Quercus triloba Michx. – not accepted
  Ranunculus filiformis Michx. – not accepted
  Ranunculus hispidus Michx. – accepted – bristly buttercup
  Ranunculus hispidus var. hispidus Michx. – accepted – bristly buttercup
  Rhamnus minutiflora Michx. – not accepted
  Rhexia ciliosa Michx. – not accepted
  Rhexia glabella Michx. – not accepted
  Rhexia mariana var. exalbida Michx. – not accepted
  Rhexia mariana var. purpurea Michx. – not accepted
  Rhododendron catawbiense Michx. – accepted – Catawba rhododendron, Catawba rosebay, purple laurel, mountain rosebay
  Rhododendron minus Michx. – accepted – Piedmont rhododendron
  Rhododendron minus var. minus Michx. – accepted – Piedmont rhododendron, Carolina azalea
  Rhus toxicodendron var. vulgaris Michx. – not accepted
  Ribes hirtellum Michx. – accepted – hairystem gooseberry, hairy-stem gooseberry
  Ribes rotundifolium Michx. – accepted – Appalachian gooseberry
  Rosa caroliniana Michx. – not accepted
  Rosa laevigata Michx. – accepted – Cherokee rose
  Rosa pensylvanica Michx. – not accepted
  Rosa setigera Michx. – accepted – Prairie rose, climbing rose
  Rosa setigera var. setigera Michx. – not accepted – climbing rose
  Rubia brownei Michx. – not accepted
  Rubus acaulis Michx. – not accepted
  Rubus saxatilis var. canadensis Michx. – not accepted
  Rubus strigosus Michx. – not accepted
  Rubus trivialis Michx. – accepted – southern dewberry
  Rudbeckia spathulata Michx. – not accepted
  Ruellia humistrata Michx. – not accepted
  Ruellia oblongifolia Michx. – not accepted
  Sagittaria graminea Michx. – accepted – sagittaire ŕ feuilles de graminées, grass-leaf arrowhead, grassy arrowhead, Sagittaire a feuilles de graminees
  Sagittaria graminea ssp. graminea Michx. – accepted – grassy arrowhead, Sagittaire graminoide
  Sagittaria graminea var. graminea Michx. – not accepted – grassy arrowhead
  Salicornia ambigua Michx. – not accepted
  Salix caroliniana Michx. – accepted – coastal plain willow
  Salix cordata Michx. – accepted – heartleaf willow
  Salix eriocephala Michx. – accepted – Missouri willow, Missouri River willow
  Salix longirostris Michx. – not accepted
  Sambucus pubens Michx. – not accepted
  Sarracenia psittacina Michx. – accepted – parrot pitcherplant
  Saxifraga virginiensis Michx. – not accepted – early saxifrage
  Saxifraga virginiensis var. virginiensis Michx. – not accepted – early saxifrage
  Schisandra Michx. – accepted
  Schisandra coccinea Michx. – not accepted
  Schoenus fascicularis Michx. – not accepted
  Schoenus rariflorus Michx. – not accepted
  Scirpus castaneus Michx. – not accepted
  Scirpus eriophorum Michx. – not accepted
  Scirpus lineatus Michx. – accepted – drooping bulrush
  Scirpus maritimus var. macrostachyus Michx. – not accepted
  Scirpus puberulus Michx. – not accepted
  Scirpus quadrangulatus Michx. – not accepted
  Scirpus tuberculosa Michx. – not accepted
  Scleria ciliata Michx. – accepted – fringed nutrush
  Scleria ciliata var. ciliata Michx. – accepted – fringed nutrush
  Scleria oligantha Michx. – accepted – littlehead nutrush
  Scleria reticularis Michx. – accepted – netted nutrush
  Scleria reticularis var. reticularis Michx. – not accepted – netted nutrush
  Scleria triglomerata Michx. – accepted – whip nutrush
  Scutellaria parvula Michx. – accepted – small skullcap
  Scutellaria parvula var. parvula Michx. – accepted – small skullcap
  Scutellaria pilosa Michx. – not accepted
  Sedum pulchellum Michx. – accepted – widowscross
  Sedum pusillum Michx. – accepted – granite stonecrop
  Sedum telephioides Michx. – not accepted – Allegheny stonecrop
  Sedum ternatum Michx. – accepted – woodland stonecrop
  Senecio pauperculus Michx. – not accepted – balsam groundsel
  Senecio tomentosus Michx. – not accepted – woolly ragwort
  Sicyos lobata Michx. – not accepted
  Sida alcaeoides Michx. – not accepted
  Sideroxylon lanuginosum Michx. – accepted – gum bully
  Sideroxylon lanuginosum ssp. lanuginosum Michx. – accepted – chittamwood, gum bumelia, woollybucket bumelia, gum bully
  Sideroxylon reclinatum Michx. – accepted – Florida bully
  Sideroxylon reclinatum ssp. reclinatum Michx. – accepted – Florida bully
  Silene pensylvanica Michx. – not accepted
  Silphium compositum Michx. – accepted – kidneyleaf rosinweed
  Silphium compositum var. compositum Michx. – not accepted – kidneyleaf rosinweed
  Silphium integrifolium Michx. – accepted – wholeleaf rosinweed
  Silphium integrifolium var. integrifolium Michx. – accepted – wholeleaf rosinweed
  Sisyrinchium mucronatum Michx. – accepted – needle-tip blue-eyed-grass, needletip blue-eyed grass
  Smilax pulverulenta Michx. – accepted – downy carrionflower
  Smilax tamnifolia Michx. – not accepted
  Solidago glomerata Michx. – accepted – clustered goldenrod
  Solidago pauciflosculosa Michx. – not accepted
  Sparganium angustifolium Michx. – accepted – narrowleaf burr reed, narrowleaf burreed, narrowleaf bur-reed
  Spergulastrum lanceolatum Michx. – not accepted
  Spergulastrum lanuginosum Michx. – not accepted
  Spermacoce glabra Michx. – accepted – smooth false buttonweed, buttonplant
  Splachnum setaceum Michx. – not accepted
  Stachys aspera Michx. – accepted – hyssopleaf hedgenettle
  Stachys hyssopifolia Michx. – accepted – hyssopleaf hedgenettle
  Stachys hyssopifolia var. hyssopifolia Michx. – not accepted – hyssopleaf hedgenettle
  Stellaria pubera Michx. – accepted – star chickweed
  Stipa barbata Michx. – not accepted
  Stipa juncea Michx. – not accepted
  Stipa sericea Michx. – not accepted
  Stipulicida Michx. – accepted
  Stipulicida setacea Michx. – accepted – pineland scalypink
  Stipulicida setacea var. setacea Michx. – accepted – pineland scalypink
  Streptopus Michx. – accepted – twisted stalk, twistedstalk
  Streptopus lanuginosus Michx. – not accepted
  Streptopus roseus Michx. – not accepted
  Streptopus roseus var. roseus Michx. – not accepted – rosy twistedstalk
  Styrax pulverulentus Michx. – not accepted
  Symphoricarpos racemosus Michx. – not accepted
  Symphoricarpos vulgaris Michx. – not accepted
  Timmia cucullata Michx. – not accepted
  Trachynotia Michx. – not accepted
  Trachynotia juncea Michx. – not accepted
  Trachynotia polystachya Michx. – not accepted
  Tragia cordata Michx. – accepted – heartleaf noseburn
  Tragia urticifolia Michx. – accepted – nettleleaf noseburn
  Trematodon Michx. – accepted
  Trematodon longicollis Michx. – accepted
  Trichodium Michx. – not accepted
  Trichodium decumbens Michx. – not accepted
  Trichodium laxiflorum Michx. – not accepted
  Trichostomum canadense Michx. – not accepted
  Trifolium carolinianum Michx. – accepted – Carolina clover
  Trillium pusillum Michx. – accepted – dwarf wakerobin
  Trillium pusillum var. pusillum Michx. – accepted – dwarf wakerobin
  Tripsacum cylindricum Michx. – not accepted
  Ulmus alata Michx. – accepted – winged elm
  Ulmus fulva Michx. – not accepted
  Uniola gracilis Michx. – not accepted
  Uniola latifolia Michx. – not accepted
  Uniola maritima Michx. – not accepted
  Utricularia cornuta Michx. – accepted – horned bladderwort
  Uvularia puberula Michx. – accepted – mountain bellwort
  Vaccinium brachycerum Michx. – not accepted
  Vaccinium caespitosum Michx. – not accepted
  Vaccinium caespitosum var. caespitosum Michx. – not accepted – dwarf bilberry
  Vaccinium cespitosum Michx. – accepted – dwarf bilberry, dwarf blueberry
  Vaccinium cespitosum var. cespitosum Michx. – not accepted
  Vaccinium erythrocarpum Michx. – accepted – southern mountain cranberry
  Vaccinium myrtilloides Michx. – accepted – velvetleaf huckleberry, velvetleaf blueberry, sour-top blueberry
  Vaccinium oxycoccos var. ovalifolium Michx. – not accepted
  Valeriana pauciflora Michx. – accepted – largeflower valerian
  Vallisneria americana Michx. – accepted – watercelery, eel-grass, American eelgrass
  Vallisneria asiatica Michx. – not accepted
  Veratrum parviflorum Michx. – accepted – Appalachian bunchflower
  Verbena angustifolia Michx. – not accepted
  Verbena bracteosa Michx. – not accepted
  Verbesina helianthoides Michx. – accepted – gravelweed, gravelweed crownbeard
  Vernonia angustifolia Michx. – accepted – tall ironweed
  Vernonia angustifolia ssp. angustifolia Michx. – not accepted – tall ironweed
  Vernonia fasciculata Michx. – accepted – prairie ironweed, western ironweed
  Vernonia fasciculata ssp. fasciculata Michx. – not accepted – prairie ironweed
  Viburnum dentatum var. semitomentosum Michx. – not accepted
  Viburnum lantanoides Michx. – accepted – hobblebush
  Viburnum molle Michx. – accepted – softleaf arrowwood
  Viola hastata Michx. – accepted – halberdleaf yellow violet
  Viola pensylvanica Michx. – not accepted
  Viola rotundifolia Michx. – accepted – roundleaf violet, violette ŕ feuilles rondes, roundleaf yellow violet
  Vitis aestivalis Michx. – accepted – summer grape
  Vitis aestivalis var. aestivalis Michx. – accepted – summer grape
  Vitis cordifolia Michx. – not accepted
  Vitis riparia Michx. – accepted – riverbank grape, river-bank grape
  Vitis rotundifolia Michx. – accepted – muscadine, muscadine grape
  Vitis rotundifolia var. rotundifolia Michx. – accepted – muscadine
  Vitis rubra Michx. – not accepted
  Xerophyllium Michx. – not accepted
  Xerophyllum Michx. – accepted – beargrass
  Xyris brevifolia Michx. – accepted – shortleaf yelloweyed grass
  Zigadenus Michx. – accepted – deathcamas
  Zigadenus glaberrimus Michx. – accepted – sandbog deathcamas
  Zizania clavulosa Michx. – not accepted
  Zizania fluitans Michx. – not accepted
  Zizania miliacea Michx. – not accepted
  Aster undulatus var. diversifolius (Michx.) A. Gray – not accepted
  Callirhoe alcaeoides (Michx.) A. Gray – accepted – plains poppymallow, light poppymallow, pale poppy mallow, plains wine cup
  Eatonia obtusata (Michx.) A. Gray – not accepted
  Gaylussacia brachycera (Michx.) A. Gray – accepted – box huckleberry
  Liatris scariosa var. squarrulosa (Michx.) A. Gray – not accepted
  Lysimachia lanceolata var. hybrida (Michx.) A. Gray – not accepted
  Melica mutica var. glabra (Michx.) A. Gray – not accepted
  Oldenlandia angustifolia (Michx.) A. Gray – not accepted
  Plantago patagonica var. aristata (Michx.) A. Gray – not accepted
  Reboulea obtusata (Michx.) A. Gray – not accepted
  Reboulea obtusata var. obtusata (Michx.) A. Gray – not accepted
  Rhododendron viscosum var. glaucum (Michx.) A. Gray – not accepted
  Smilax herbacea var. pulverulenta (Michx.) A. Gray – not accepted
  Steironema lanceolatum var. hybridum (Michx.) A. Gray – not accepted
  Rhaphidostegium recurvans (Michx.) A. Jaeger – not accepted
  Pyrola rotundifolia ssp. asarifolia (Michx.) A. Löve & D. Löve – not accepted
  Paronychia dichotoma (Michx.) A. Nelson – not accepted
  Athyrium asplenioides (Michx.) A.A. Eaton – not accepted
  Oxycoccus ovalifolius (Michx.) A.E. Porsild – not accepted
  Lacinaria aspera var. spheroidea (Michx.) Alexander – not accepted
  Pterophyton helianthoides (Michx.) Alexander – not accepted
  Agrostis alba var. dispar (Michx.) Alph. Wood – not accepted
  Cardamine diphylla (Michx.) Alph. Wood – accepted – crinkleroot
  Panicum dichotomum var. barbulatum (Michx.) Alph. Wood – not accepted
  Paspalum laeve var. floridanum (Michx.) Alph. Wood – not accepted
  Schoenolirion croceum (Michx.) Alph. Wood – accepted – yellow sunnybell
  Salix discolor var. eriocephala (Michx.) Andersson – not accepted
  Trematodon ambiguus var. longicollis (Michx.) Arn. – not accepted
  Amelanchier obovalis (Michx.) Ashe – not accepted – coastal serviceberry
  Bartonia virginica var. paniculata (Michx.) B. Boivin – not accepted
  Pycnanthemum virginianum var. verticillatum (Michx.) B. Boivin – not accepted
  Rubus arcticus var. acaulis (Michx.) B. Boivin – not accepted
  Ilysanthes anagallidea (Michx.) B.L. Rob. – not accepted
  Synandra hispidula (Michx.) Baill. – accepted
  Triantha glutinosa (Michx.) Baker – accepted – sticky tofieldia
  Spartina cynosuroides var. polystachya (Michx.) Beal – not accepted
  Anthaenantha villosa (Michx.) Beauv. – not accepted
  Melampyrum lineare var. americanum (Michx.) Beauverd – not accepted
  Agrostis hiemalis var. laxiflora (Michx.) Beetle – not accepted
  Agrostis hyemalis var. laxiflora (Michx.) Beetle – not accepted
  Distichlis spicata var. distichophylla (Michx.) Beetle – not accepted
  Calamintha glabella (Michx.) Benth. – not accepted – Ozark calamint
  Chrysopogon avenaceus (Michx.) Benth. – not accepted
  Conobea multifida (Michx.) Benth. – not accepted
  Ambrosia artemisiifolia var. paniculata (Michx.) Blank. – not accepted – annual ragweed, common ragweed, ragweed
  Acomastylis radiata (Michx.) Bolle – not accepted
  Hieracium umbellatum var. canadense (Michx.) Breitung – not accepted
  Pogonatum capillare (Michx.) Brid. – not accepted
  Racomitrium canadense (Michx.) Brid. – not accepted
  Satureja glabella (Michx.) Briq. – not accepted
  Alsine pubera (Michx.) Britton – not accepted
  Bidens aristosa (Michx.) Britton – accepted – bearded beggarticks, long-bracted beggar-ticks, tickseed sunflower
  Bidens trichosperma (Michx.) Britton – accepted – crowned beggarticks
  Bramia rotundifolia (Michx.) Britton – not accepted
  Chondrophora nudata (Michx.) Britton – not accepted
  Crocanthemum corymbosum (Michx.) Britton – accepted – pine barren frostweed
  Fimbristylis castanea var. puberula (Michx.) Britton – not accepted
  Leavenworthia uniflora (Michx.) Britton – accepted – Michaux's gladecress
  Levenworthia uniflora (Michx.) Britton – not accepted
  Panicum pubescens var. barbulatum (Michx.) Britton – not accepted
  Phaethusa helianthoides (Michx.) Britton – not accepted
  Philotria canadensis (Michx.) Britton – not accepted
  Synadra hispidula (Michx.) Britton – not accepted
  Synandra hispidula (Michx.) Britton – not accepted – Guyandotte beauty
  Vincetoxicum hirsutum (Michx.) Britton – not accepted
  Washingtonia claytonii (Michx.) Britton – not accepted
  Amelanchier canadensis var. obovalis (Michx.) Britton, Sterns & Poggenb. – accepted – coastal serviceberry
  Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb. – accepted – bearded skeletongrass
  Microstylis unifolia (Michx.) Britton, Sterns & Poggenb. – not accepted
  Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb. – accepted – marsh muhly, green muhly
  Calystegia spithamaea ssp. stans (Michx.) Brummitt – accepted – low false bindweed
  Luzula parviflora var. melanocarpa (Michx.) Buchenau – not accepted
  Dryopteris hexagonoptera (Michx.) C. Chr. – not accepted
  Packera tomentosa (Michx.) C. Jeffrey – accepted – woolly ragwort
  Rhynchospora ciliaris (Michx.) C. Mohr – accepted – fringed beaksedge
  Sageretia minutiflora (Michx.) C. Mohr – accepted – smallflower mock buckthorn
  Xolisma ligustrina var. foliosiflora (Michx.) C. Mohr – not accepted
  Osmorhiza claytonii (Michx.) C.B. Clarke – accepted – hairy sweet-cicely, Clayton's sweetroot
  Pycreus flavicomus (Michx.) C.D. Adams – not accepted
  Quercus hemisphaerica var. maritima (Michx.) C.H. Mull. – not accepted – Darlington's oak
  Erianthus alopecuroides var. brevibarbis (Michx.) Chapm. – not accepted
  Lilium superbum var. carolinianum (Michx.) Chapm. – not accepted
  Panicum nitidum var. barbulatum (Michx.) Chapm. – not accepted
  Quercus phellos var. laurifolia (Michx.) Chapm. – not accepted
  Rhynchospora fascicularis var. distans (Michx.) Chapm. – not accepted – fascicled beaksedge
  Sorghum avenaceum (Michx.) Chapm. – not accepted
  Dichondra repens var. carolinensis (Michx.) Choisy – not accepted
  Lindernia dubia var. anagallidea (Michx.) Cooperr. – not accepted – yellow-seed false pimpernel, false pimpernel, yellowseed false pimpernel
  Grossularia rotundifolia (Michx.) Coville & Britton – not accepted
  Prosartes lanuginosa (Michx.) D. Don – accepted – yellow fairybells
  Zenobia speciosa (Michx.) D. Don – not accepted
  Agaloma pubentissima (Michx.) D.B. Ward – not accepted
  Cheilanthes lanosa (Michx.) D.C. Eaton – accepted – hairy lipfern
  Lycopodium obscurum var. dendroideum (Michx.) D.C. Eaton – not accepted
  Bigelowia nudata (Michx.) DC. – accepted – pineland rayless goldenrod
  Bigelowia nudata ssp. nudata (Michx.) DC. – not accepted – pineland rayless goldenrod
  Bigelowia nudata var. nudata (Michx.) DC. – accepted – pineland rayless goldenrod
  Desmodium acuminatum (Michx.) DC. – not accepted
  Desmodium bracteosum (Michx.) DC. – not accepted
  Desmodium glabellum (Michx.) DC. – accepted – Dillenius' ticktrefoil
  Eupatorium album var. glandulosum (Michx.) DC. – not accepted – white thoroughwort
  Nabalus crepidineus (Michx.) DC. – not accepted
  Nabalus racemosus (Michx.) DC. – not accepted
  Nabalus virgatus (Michx.) DC. – not accepted
  Polygala nana (Michx.) DC. – accepted – candyroot
  Ranunculus reptans var. filiformis (Michx.) DC. – not accepted
  Rhus radicans var. vulgaris (Michx.) DC. – not accepted
  Mnesithea cylindrica (Michx.) de Koning & Sosef – accepted
  Airopsis obtusata (Michx.) Desv. – not accepted
  Athyrium thelypterioides (Michx.) Desv. – not accepted
  Cystopteris tenuis (Michx.) Desv. – accepted – brittle bladderfern, upland brittle bladderfern
  Graphephorum melicoides (Michx.) Desv. – accepted
  Luzula melanocarpa (Michx.) Desv. – not accepted
  Triodia caerulescens (Michx.) Desv. – not accepted
  Heracleum sphondylium var. lanatum (Michx.) Dorn – not accepted
  Carpoceros carolinianus (Michx.) Dumort. – not accepted
  Plagiochila tridenticulata (Michx.) Dumort. – not accepted
  Asimina parviflora (Michx.) Dunal – accepted – smallflower pawpaw
  Zizaniopsis miliacea (Michx.) Döll & Asch. – accepted – giant cutgrass
  Philonotis longiseta (Michx.) E. Britton – accepted
  Physcomitrium turbinatum (Michx.) E. Britton – not accepted
  Sematophyllum adnatum (Michx.) E. Britton – accepted
  Atheropogon curtipendulus (Michx.) E. Fourn. – not accepted
  Bromus hookeri var. canadensis (Michx.) E. Fourn. – not accepted
  Habenaria quinqueseta (Michx.) Eaton – accepted – longhorn bog orchid, Habenaria blanca, longhorn false reinorchid
  Habenaria quinqueseta var. quinqueseta (Michx.) Eaton – accepted – longhorn false reinorchid
  Windsoria sesleroides (Michx.) Eaton – not accepted
  Chrysopsis gossypina (Michx.) Elliot – accepted – cottony goldenaster
  Chrysopsis gossypina ssp. gossypina (Michx.) Elliot – accepted – cottony goldenaster
  Chrysopsis graminifolia (Michx.) Elliot – not accepted
  Pterocaulon pycnostachyum (Michx.) Elliot – accepted – dense-spike blackroot
  Acerates longifolia (Michx.) Elliott – not accepted
  Agrostis sericea (Michx.) Elliott – not accepted
  Aronia melanocarpa (Michx.) Elliott – accepted – black chokeberry
  Milium paspalodes (Michx.) Elliott – not accepted
  Rhynchospora rariflora (Michx.) Elliott – accepted – fewflower beaksedge
  Cnidoscolus stimulosus (Michx.) Engelm. & A. Gray – not accepted – finger rot
  Dianthera humilis (Michx.) Engelm. & A. Gray – not accepted
  Salvia azurea Michx. ex Lam. – accepted – blue sage, azure blue sage
  Salvia azurea var. azurea Michx. ex Lam. – accepted – azure blue sage
  Oryzopsis aspera Michx. ex Muhl. – not accepted
  Festuca americana Michx. ex P. Beauv. – not accepted
  Festuca obtusata Michx. ex P. Beauv. – not accepted
  Poa caerulescens Michx. ex P. Beauv. – not accepted
  Zizania lenticularis Michx. ex P. Beauv. – not accepted
  Zizania natans Michx. ex P. Beauv. – not accepted
  Poa dioica Michx. ex Poir. – not accepted
  Hedysarum alpinum ssp. americanum (Michx. ex Pursh) B. Fedtsch. – not accepted
  Hedysarum americanum (Michx. ex Pursh) Britton – not accepted
  Stipa cericea Michx. ex Raf. – not accepted
  Chloris piperita Michx. ex Steud. – not accepted
  Melica curtipendula Michx. ex Steud. – not accepted
  Illicium parviflorum Michx. ex Vent. – accepted – yellow anise-tree, yellow anisetree
  Ascyrum stans Michx. ex Willd. – not accepted
  Dalea candida Michx. ex Willd. – accepted – white prairie clover, white dalea, white prairie-clover, white prairieclover, slender white prairieclover
  Dalea candida var. candida Michx. ex Willd. – accepted – white prairie clover, white prairie-clover, white prairieclover
  Hypericum nudiflorum Michx. ex Willd. – accepted – early St. Johnswort, naked St. Johnswort
  Asarum hypericoides var. multicaule (Michx. ex Willd.) Fernald – not accepted
  Ascyrum hypericoides var. multicaule (Michx. ex Willd.) Fernald – not accepted
  Hypericum hypericoides var. multicaule (Michx. ex Willd.) Fosberg – not accepted
  Hypericum hypericoides ssp. multicaule (Michx. ex Willd.) N. Robson – accepted – St. Andrew's cross
  Fraxinus tomentosa Michx. f. – not accepted
  Pinus australis Michx. f. – not accepted
  Populus argentea Michx. f. – not accepted
  Quercus macrocarpa var. oliviformis (Michx. f.) A. Gray – not accepted
  Carya laciniosa (Michx. f.) G. Don – accepted – shellbark hickory, kingnut
  Carya oliviformis (Michx. f.) Nutt. – not accepted
  Hicoria laciniosa (Michx. f.) Sarg. – not accepted
  Oxycoccus palustris var. ovalifolius (Michx.) F. Seym. – not accepted
  Glyceria melicaria (Michx.) F.T. Hubb. – accepted – melic mannagrass
  Athyrium filix-femina var. asplenioides (Michx.) Farw. – accepted – asplenium ladyfern
  Aureolaria auriculata (Michx.) Farw. – not accepted
  Blephariglotis lacera (Michx.) Farw. – not accepted
  Blephariglottis lacera (Michx.) Farw. – not accepted
  Fragaria virginiana var. canadensis (Michx.) Farw. – not accepted
  Hieracium venosum var. nudicaule (Michx.) Farw. – not accepted – rattlesnakeweed
  Lactuca canadensis var. longifolia (Michx.) Farw. – not accepted – Canada lettuce
  Arenaria groenlandica var. glabra (Michx.) Fernald – not accepted
  Asclepias lanceolata var. paupercula (Michx.) Fernald – not accepted
  Bidens coronata var. trichosperma (Michx.) Fernald – not accepted
  Commelina erecta var. angustifolia (Michx.) Fernald – not accepted – whitemouth dayflower
  Epilobium palustre var. oliganthum (Michx.) Fernald – not accepted
  Fimbristylis autumnalis var. mucronulata (Michx.) Fernald – not accepted
  Lyonia ligustrina var. foliosiflora (Michx.) Fernald – accepted – maleberry, southern maleberry
  Oenothera tetragona var. hybrida (Michx.) Fernald – not accepted
  Physalis barbadensis var. glabra (Michx.) Fernald – not accepted
  Ribes triste var. albinervium (Michx.) Fernald – not accepted
  Rubus hispidus var. obovalis (Michx.) Fernald – not accepted
  Sabatia campanulata var. gracilis (Michx.) Fernald – not accepted
  Scirpus hudsonianus (Michx.) Fernald – not accepted
  Silene caroliniana var. pensylvanica (Michx.) Fernald – not accepted
  Solidago graminifolia var. major (Michx.) Fernald – not accepted
  Solidago minor (Michx.) Fernald – not accepted
  Stachys tenuifolia var. aspera (Michx.) Fernald – not accepted
  Zizia trifoliata (Michx.) Fernald – accepted – meadow alexanders
  Rubus arcticus ssp. acaulis (Michx.) Focke – accepted – dwarf raspberry
  Rubus idaeus ssp. strigosus (Michx.) Focke – not accepted – grayleaf red raspberry, common red raspberry, red raspberry, grayleaf raspberry
  Cornus sericea ssp. stolonifera (Michx.) Fosberg – not accepted
  Phegopteris hexagonoptera (Michx.) Fée – accepted – southern beech fern, broad beech fern, phégoptčre ŕ hexagones
  Platanthera lacera (Michx.) G. Don – accepted – green fringed orchid
  Platanthera lacera var. lacera (Michx.) G. Don – not accepted – green fringed orchid
  Sieversia radiata (Michx.) G. Don – not accepted
  Disporum lanuginosum (Michx.) G. Nicholson – not accepted – yellow fairybells
  Serenoa serrulata (Michx.) G. Nicholson – not accepted
  Eurybia surculosa (Michx.) G.L. Nesom – accepted – creeping aster
  Symphyotrichum subulatum (Michx.) G.L. Nesom – accepted – eastern annual saltmarsh aster
  Symphyotrichum subulatum var. subulatum (Michx.) G.L. Nesom – accepted – eastern annual saltmarsh aster
  Lyonia fruticosa (Michx.) G.S. Torr. – accepted – coastal plain staggerbush
  Quercus prinoides var. acuminata (Michx.) Gleason – not accepted
  Cnidoscolus urens var. stimulosus (Michx.) Govaerts – accepted – finger rot
  Batidea strigosa (Michx.) Greene – not accepted
  Bilderdykia cilinodis (Michx.) Greene – not accepted
  Chamaecrista fasciculata (Michx.) Greene – accepted – partridge pea, sleepingplant, showy partridgepea
  Chamaecrista fasciculata var. fasciculata (Michx.) Greene – accepted – sleepingplant, partridge pea
  Chrysoma pauciflosculosa (Michx.) Greene – accepted – woody goldenrod
  Doellingeria infirma (Michx.) Greene – accepted – cornel-leaf whitetop
  Euthamia minor (Michx.) Greene – not accepted
  Lacinaria aspera (Michx.) Greene – not accepted
  Lilaeopsis lineata (Michx.) Greene – not accepted
  Micrampelis lobata (Michx.) Greene – not accepted
  Oclemena acuminata (Michx.) Greene – accepted – whorled wood aster
  Phyla lanceolata (Michx.) Greene – accepted – lanceleaf frog fruit, northern fogfruit, frog fruit, lanceleaf fogfruit, lanceleaf frogfruit
  Toxicodendron quercifolia (Michx.) Greene – not accepted
  Toxicodendron quercifolium (Michx.) Greene – not accepted
  Ludwigia grandiflora (Michx.) Greuter & Burdet – accepted – large-flower primrose-willow
  Ludwigia grandiflora ssp. grandiflora (Michx.) Greuter & Burdet – not accepted – large-flower primrose-willow
  Anatherum macrourum (Michx.) Griseb. – not accepted
  Monotropa hypopithys ssp. lanuginosa (Michx.) H. Hara – not accepted
  Monotropa hypopitys ssp. lanuginosa (Michx.) H. Hara – not accepted
  Hylotelephium telephioides (Michx.) H. Ohba – accepted – Allegheny stonecrop
  Brahea serrulata (Michx.) H. Wendl. – not accepted
  Tofieldia racemosa var. glutinosa (Michx.) H.E. Ahles – not accepted
  Artemisia campestris ssp. caudata (Michx.) H.M. Hall & Clem. – accepted – Pacific wormwood, field wormwood, field sagewort
  Chasmanthium latifolium (Michx.) H.O. Yates – accepted – Indian woodoats, broadleaf uniola, Indian wood-oats
  Andropogon nutans var. avenaceus (Michx.) Hack. – not accepted
  Erianthus saccharoides var. brevibarbis (Michx.) Hack. – not accepted
  Holcus nutans var. avenaceus (Michx.) Hack. – not accepted
  Sorghum nutans ssp. avenaceum (Michx.) Hack. – not accepted
  Polytrichum commune var. perigoniale (Michx.) Hampe – accepted
  Anacampseros telephioides (Michx.) Haw. – not accepted
  Anisophyllum dentatum (Michx.) Haw. – not accepted
  Gentiana amarella var. acuta (Michx.) Herder – not accepted
  Gentianella amarella var. acuta (Michx.) Herder – not accepted
  Urostachys lucidulus (Michx.) Herter ex Nessel – not accepted
  Sorbus melanocarpa (Michx.) Heynh. – not accepted
  Gentianella acuta (Michx.) Hiitonen – not accepted
  Lithospermum gmelini (Michx.) Hitchc. – not accepted
  Muhlenbergia minutiflora (Michx.) Hitchc. – not accepted
  Panicularia melicaria (Michx.) Hitchc. – not accepted
  Spartina patens var. juncea (Michx.) Hitchc. – not accepted
  Bromopsis canadensis (Michx.) Holub – not accepted
  Fallopia cilinodis (Michx.) Holub – accepted – fringed black bindweed
  Sceptridium lunarioides (Michx.) Holub – not accepted
  Thelypteris thelypterioides (Michx.) Holub – not accepted
  Thelypteris thelypteroides (Michx.) Holub – not accepted
  Pyrola rotundifolia var. asarifolia (Michx.) Hook. – not accepted
  Ranunculus flammula var. filiformis (Michx.) Hook. – not accepted – greater creeping spearwort
  Eleusine mucronata (Michx.) Hornem. – not accepted
  Quercus acuminata (Michx.) Houba – not accepted
  Sambucus racemosa ssp. pubens (Michx.) House – accepted
  Stylisma trichosanthes (Michx.) House – not accepted
  Vaccinium angustifolium var. myrtilloides (Michx.) House – not accepted
  Athyrium filix-femina ssp. asplenioides (Michx.) Hultén – not accepted – asplenium ladyfern
  Carex oederi ssp. viridula (Michx.) Hultén – not accepted
  Gentiana amarella ssp. acuta (Michx.) Hultén – not accepted
  Schizachne stricta (Michx.) Hultén – not accepted
  Hypnum pallescens var. reptile (Michx.) Husn. – not accepted
  Potentilla norvegica ssp. hirsuta (Michx.) Hyl. – not accepted – Norwegian cinquefoil
  Luzula parviflora ssp. melanocarpa (Michx.) Hämet-Ahti – accepted
  Orbexilum lupinellum (Michx.) Isely – accepted – Piedmont leather-root
  Eragrostis reptans (Michx.) J. Presl – not accepted
  Persicaria amphibia var. emersa (Michx.) J.C. Hickman – not accepted
  Lysimachia lanceolata ssp. hybrida (Michx.) J.D. Ray – not accepted
  Sagittaria subulata var. natans (Michx.) J.G. Sm. – not accepted
  Coelopleurum actaeifolium (Michx.) J.M. Coult. & Rose – not accepted
  Gentianella amarella ssp. acuta (Michx.) J.M. Gillett – accepted – autumn dwarf-gentian, autumn dwarfgentian, autumn dwarf gentian
  Menziesia pilosa (Michx.) Juss. – accepted – minniebush
  Photinia melanocarpa (Michx.) K.R. Robertson & J.B. Phipps – not accepted – black chokeberry
  Poinsettia dentata (Michx.) Klotzsch & Garcke – not accepted
  Apassalus humistratus (Michx.) Kobuski – not accepted
  Sambucus racemosa ssp. pubens var. pubens (Michx.) Koehne – not accepted
  Sambucus racemosa var. pubens (Michx.) Koehne – accepted – European red elderberry
  Ampelamus laevis (Michx.) Krings – not accepted
  Cinna lateriflora (Michx.) Kunth – not accepted
  Cinna racemosa (Michx.) Kunth – not accepted
  Eriochloa mollis (Michx.) Kunth – not accepted
  Eriochloa mollis var. mollis (Michx.) Kunth – not accepted
  Hydropyrum fluitans (Michx.) Kunth – not accepted
  Leptochloa mucronata (Michx.) Kunth – not accepted – mucronate sprangletop
  Leptochloa mucronata var. mucronata (Michx.) Kunth – not accepted
  Leptochloa polystachya (Michx.) Kunth – not accepted
  Scirpus cyperinus var. eriophorum (Michx.) Kunth – not accepted
  Sporobolus junceus (Michx.) Kunth – not accepted
  Acuan illinoense (Michx.) Kuntze – not accepted
  Acuan illinoensis (Michx.) Kuntze – not accepted
  Chamaedaphne cuneata (Michx.) Kuntze – not accepted
  Clinopodium glabellum (Michx.) Kuntze – accepted – Ozark calamint
  Cracca hispidula (Michx.) Kuntze – not accepted
  Dyschoriste humistrata (Michx.) Kuntze – accepted – swamp snakeherb
  Dyschoriste oblongifolia (Michx.) Kuntze – accepted – oblongleaf snakeherb
  Galium rotundifolium var. circaezans (Michx.) Kuntze – not accepted
  Homalocenchrus lenticularis (Michx.) Kuntze – not accepted
  Koellia aristata (Michx.) Kuntze – not accepted
  Koellia montana (Michx.) Kuntze – not accepted
  Koellia mutica (Michx.) Kuntze – not accepted
  Koellia verticillata (Michx.) Kuntze – not accepted
  Lacinaria cylindracea (Michx.) Kuntze – not accepted
  Lacinaria pycnostachya (Michx.) Kuntze – not accepted
  Manisuris cylindrica (Michx.) Kuntze – not accepted
  Meibomia bracteosa (Michx.) Kuntze – not accepted
  Meibomia glabella (Michx.) Kuntze – not accepted
  Panicularia canadensis (Michx.) Kuntze – not accepted
  Panicum plicatulum (Michx.) Kuntze – not accepted
  Sorghum scoparium (Michx.) Kuntze – not accepted
  Rhynchospora glomerata var. capitellata (Michx.) Kük. – not accepted
  Carex saxatilis var. miliaris (Michx.) L.H. Bailey – not accepted
  Dactyloctenium aegyptius var. mucronatum (Michx.) Lanza & Mattei – not accepted
  Lithospermum canescens (Michx.) Lehm. – accepted – hoary gromwell, hoary puccoon
  Myosotis canescens (Michx.) Lehm. – not accepted
  Potentilla norvegica var. hirsuta (Michx.) Lehm. – not accepted
  Anthoceros laevis var. carolinianus (Michx.) Lindb. – not accepted
  Platanthera cristata (Michx.) Lindl. – accepted – crested yellow orchid
  Agrostis decumbens (Michx.) Link – not accepted
  Chasmanthium gracile (Michx.) Link – not accepted
  Poa obtusata (Michx.) Link – not accepted
  Platanthera clavellata (Michx.) Luer – not accepted – green woodland orchid, small green wood orchid
  Brotherella recurvans (Michx.) M. Fleisch. – accepted – recurved brotherella moss
  Amelanchier oligocarpa (Michx.) M. Roem. – not accepted
  Thermopsis mollis (Michx.) M.A. Curtis ex A. Gray – accepted – Allegheny Mountain goldenbanner
  Thermopsis mollis var. mollis (Michx.) M.A. Curtis ex A. Gray – not accepted – Allegheny Mountain goldenbanner
  Poa glauca var. crocata (Michx.) M.E. Jones – not accepted
  Mirabilis nyctaginea (Michx.) MacMill. – accepted – heart-leaved four o'clock, heart-leaf four-o'clock, heartleaf four-o'clock, wild four-o'clock, heartleaf four o'clock
  Desmanthus illinoensis (Michx.) MacMill. ex B.L. Rob. & Fernald – accepted – Illinois bundleflower, prairie bundleflower
  Minuartia glabra (Michx.) Mattf. – accepted – Appalachian stitchwort
  Minuartia patula (Michx.) Mattf. – accepted – pitcher's stitchwort
  Minuartia patula var. patula (Michx.) Mattf. – not accepted – pitcher's stitchwort
  Rubus idaeus var. strigosus (Michx.) Maxim. – not accepted
  Arundinaria gigantea ssp. macrosperma (Michx.) McClure – accepted – giant cane
  Jussiaea repens var. grandiflora (Michx.) Micheli – not accepted
  Megastachya canadensis (Michx.) Michx. ex Roem. & Schult. – not accepted
  Poinsettia cyathophora var. graminifolia (Michx.) Mohlenbr. – not accepted
  Euthamia graminifolia var. major (Michx.) Moldenke – not accepted
  Clintonia umbellulata (Michx.) Morong – accepted – white clintonia
  Peltandra sagittifolia (Michx.) Morong – accepted – white arrow arum
  Bartonia paniculata (Michx.) Muhl. – accepted – twining screwstem
  Bartonia paniculata ssp. paniculata (Michx.) Muhl. – accepted – twining screwstem
  Deyeuxia canadensis (Michx.) Munro ex Hook. – not accepted
  Oenothera tetragona ssp. glauca (Michx.) Munz – not accepted
  Sebastiania ligustrina (Michx.) Müll. Arg. – not accepted
  Anastrophus paspaloides (Michx.) Nash – not accepted
  Coelorachis cylindrica (Michx.) Nash – not accepted – cylinder jointtail grass, Carolina jointail
  Schizachyrium scoparium (Michx.) Nash – accepted – little bluestem
  Schizachyrium scoparium ssp. scoparium (Michx.) Nash – not accepted – little bluestem
  Schizachyrium scoparium var. scoparium (Michx.) Nash – accepted – little bluestem
  Sorghastrum avenaceum (Michx.) Nash – not accepted
  Xolisma fruticosa (Michx.) Nash – not accepted
  Eragrostis hirsuta (Michx.) Nees – accepted – bigtop lovegrass
  Eragrostis pectinacea (Michx.) Nees – accepted – tufted lovegrass, spreading lovegrass, purple love grass, purple lovegrass
  Eragrostis pectinacea var. pectinacea (Michx.) Nees – accepted – tufted lovegrass, spreading lovegrass, purple love grass, Purple lovegrass
  Eragrostis reptans (Michx.) Nees – accepted – creeping lovegrass
  Sericocarpus tortifolius (Michx.) Nees – accepted – Dixie whitetop aster
  Neeragrostis reptans (Michx.) Nicora – not accepted – creeping lovegrass
  Agaloma mercurialina (Michx.) Nieuwl. – not accepted
  Bataprine hispidula (Michx.) Nieuwl. – not accepted
  Bataprine uniflora (Michx.) Nieuwl. – not accepted
  Chamisme angustifolia (Michx.) Nieuwl. – not accepted
  Pteretis nodulosa (Michx.) Nieuwl. – not accepted
  Saccharodendron barbatum (Michx.) Nieuwl. – not accepted
  Lilium carolinianum Michx., non Bosc ex Lam. – not accepted
  Leptochloa panicea ssp. mucronata (Michx.) Nowack – accepted – mucronate sprangletop
  Actinomeris helianthoides (Michx.) Nutt. – not accepted
  Astranthium integrifolium (Michx.) Nutt. – accepted – entireleaf western daisy
  Astranthium integrifolium ssp. integrifolium (Michx.) Nutt. – accepted – entireleaf western daisy
  Astranthuim integrifolium (Michx.) Nutt. – not accepted
  Astranthuim integrifolium var. integrifolium (Michx.) Nutt. – not accepted
  Berlandiera pumila (Michx.) Nutt. – accepted – soft greeneyes
  Berlandiera pumila var. pumila (Michx.) Nutt. – not accepted
  Carex squarrosa var. typhina (Michx.) Nutt. – not accepted
  Erigenia bulbosa (Michx.) Nutt. – accepted – harbinger of spring
  Hypopitys lanuginosa (Michx.) Nutt. – not accepted
  Krigia amplexicaulis (Michx.) Nutt. – not accepted
  Krigia montana (Michx.) Nutt. – accepted – mountain dwarfdandelion
  Leucospora multifida (Michx.) Nutt. – accepted – narrowleaf paleseed
  Paronychia argyrocoma (Michx.) Nutt. – accepted – silvery nailwort
  Paronychia herniarioides (Michx.) Nutt. – accepted – coastalplain nailwort, coastal plain nailwort
  Pityopsis graminifolia (Michx.) Nutt. – accepted – narrowleaf silkgrass
  Pityopsis graminifolia var. graminifolia (Michx.) Nutt. – accepted – narrowleaf silkgrass
  Poa melicoides (Michx.) Nutt. – not accepted
  Polypogon racemosus (Michx.) Nutt. – not accepted
  Quercus falcata var. triloba (Michx.) Nutt. – not accepted
  Stylophorum diphyllum (Michx.) Nutt. – accepted – celandine poppy
  Thaspium barbinode (Michx.) Nutt. – accepted – hairyspine thaspium, hairyjoint meadowparsnip
  Anthaenantia villosa (Michx.) P. Beauv. – accepted – green silkyscale
  Anthenantia villosa (Michx.) P. Beauv. – not accepted
  Asprella lenticularis (Michx.) P. Beauv. – not accepted
  Calamagrostis canadensis (Michx.) P. Beauv. – accepted – bluejoint, bluejoint reedgrass
  Calamagrostis canadensis ssp. canadensis (Michx.) P. Beauv. – not accepted
  Calamagrostis canadensis var. canadensis (Michx.) P. Beauv. – accepted – bluejoint, big reedgrass
  Campulosus monostachyus (Michx.) P. Beauv. – not accepted
  Chaetaria oligantha (Michx.) P. Beauv. – not accepted
  Chaetaria stricta (Michx.) P. Beauv. – not accepted
  Curtopogon dichotomus (Michx.) P. Beauv. – not accepted
  Danthonia glumosa (Michx.) P. Beauv. – not accepted
  Dinebra curtipendula (Michx.) P. Beauv. – not accepted
  Megastachya reptans (Michx.) P. Beauv. – not accepted
  Pogonatum brachyphyllum (Michx.) P. Beauv. – accepted
  Rabdochloa mucronata (Michx.) P. Beauv. – not accepted
  Spartina polystachya (Michx.) P. Beauv. – not accepted
  Vilfa dispar (Michx.) P. Beauv. – not accepted
  Vilfa lateriflora (Michx.) P. Beauv. – not accepted
  Vilfa racemosa (Michx.) P. Beauv. – not accepted
  Brachyelytrum aristosum (Michx.) P. Beauv. ex Trel. – accepted
  Brachyelytrum aristosum var. aristosum (Michx.) P. Beauv. ex Trel. – not accepted
  Amelanchier canadensis ssp. obovalis (Michx.) P. Landry – not accepted
  Muhlenbergia sericea (Michx.) P.M. Peterson – accepted
  Artemisia campestris var. caudata (Michx.) Palmer & Steyerm. – not accepted
  Hydranthelium rotundifolium (Michx.) Pennell – not accepted
  Lindernia anagallidea (Michx.) Pennell – not accepted
  Rudbeckia fulgida var. spathulata (Michx.) Perdue – accepted – orange coneflower
  Bumelia lanuginosa (Michx.) Pers. – not accepted – gum bumelia
  Carduus muticus (Michx.) Pers. – not accepted
  Carduus repandus (Michx.) Pers. – not accepted
  Cynanchum laeve (Michx.) Pers. – accepted – sandvine, climbing milkweed, honeyvine milkweed, honeyvine
  Miegia macrosperma (Michx.) Pers. – not accepted
  Oxycoccus erythrocarpus (Michx.) Pers. – not accepted
  Pycnanthemum muticum (Michx.) Pers. – accepted – clustered mountainmint
  Pycnanthemum verticillatum (Michx.) Pers. – accepted – whorled mountainmint
  Pycnanthemum verticillatum var. verticillatum (Michx.) Pers. – not accepted – whorled mountainmint
  Saccharum brevibarbe (Michx.) Pers. – accepted – shortbeard plumegrass
  Saccharum brevibarbe var. brevibarbe (Michx.) Pers. – accepted – shortbeard plumegrass
  Tephrosia hispidula (Michx.) Pers. – accepted – sprawling hoarypea
  Tofieldia glutinosa (Michx.) Pers. – not accepted – sticky false asphodel, sticky tofieldia
  Tofieldia glutinosa ssp. glutinosa (Michx.) Pers. – not accepted – sticky tofieldia
  Tofieldia pusilla (Michx.) Pers. – accepted – Scotch false asphodel
  Agrostis gigantea var. dispar (Michx.) Philipson – not accepted
  Anacharis canadensis (Michx.) Planch. – not accepted
  Cistus corymbosus (Michx.) Poir. – not accepted
  Dalea carnea (Michx.) Poir. – accepted – whitetassels
  Dalea carnea var. carnea (Michx.) Poir. – accepted – whitetassels
  Forestiera acuminata (Michx.) Poir. – accepted – swamp privet, Texas forestiera, eastern swampprivet
  Forestiera autumnalis (Michx.) Poir. – not accepted
  Forestiera ligustrina (Michx.) Poir. – accepted – privet, upland swampprivet
  Forestiera lingustrina (Michx.) Poir. – not accepted
  Forestiera porulosa (Michx.) Poir. – not accepted
  Oligosporus caudatus (Michx.) Poljakov – not accepted
  Stylosanthes biflora var. hispidissima (Michx.) Pollard & C.R. Ball – not accepted
  Liatris X spheroidea Michx. (pro sp.) – accepted – spherical blazing star
  Phaeoceros carolinianus (Michx.) Prosk. – accepted – Carolina phaeoceros
  Phaeoceros laevis ssp. carolinianus (Michx.) Prosk. – not accepted
  Phaeoceros laevis ssp. carolinianus (Michx.) Prosk. – not accepted – Carolina phaeoceros
  Aira caespitosa var. ambigua (Michx.) Pursh – not accepted
  Crotonopsis argentea var. linearis (Michx.) Pursh – not accepted
  Sabatia chloroides (Michx.) Pursh – not accepted
  Sabatia paniculata (Michx.) Pursh – not accepted
  Habenaria cristata (Michx.) R. Br. – not accepted
  Habenaria lacera (Michx.) R. Br. – not accepted
  Anthoceros laevis ssp. carolinianus (Michx.) R.M. Schust. – not accepted
  Pinus rigida ssp. serotina (Michx.) R.T. Clausen – not accepted
  Silene caroliniana ssp. pensylvanica (Michx.) R.T. Clausen – accepted – Pennsylvania catchfly
  Vitis vulpina ssp. riparia (Michx.) R.T. Clausen – not accepted
  Amarella acuta (Michx.) Raf. – not accepted
  Bivonea stimulosa (Michx.) Raf. – not accepted
  Castanea americana (Michx.) Raf. – not accepted
  Leptilon divaricatum (Michx.) Raf. – not accepted
  Macuillamia rotundifolia (Michx.) Raf. – not accepted
  Nevroloma canadensis (Michx.) Raf. – not accepted
  Oxytria crocea (Michx.) Raf. – not accepted
  Ptilimnium capillaceum (Michx.) Raf. – accepted – threadleaf mockbishopweed, herbwilliam
  Pylostachya nana (Michx.) Raf. – not accepted
  Stomoisia cornuta (Michx.) Raf. – not accepted
  Tomanthera auriculata (Michx.) Raf. – not accepted – auriculate false-foxglove
  Viburnum edule (Michx.) Raf. – accepted – squashberry
  Steironema heterophyllum (Michx.) Raf. ex B.D. Jacks. – not accepted
  Steironema hybridum (Michx.) Raf. ex B.D. Jacks. – not accepted
  Bartonia verna (Michx.) Raf. ex Barton – accepted – white screwstem
  Cynodon curtipendulus (Michx.) Raspail – not accepted
  Nastus macrospermus (Michx.) Raspail – not accepted
  Styrax americanus var. pulverulentus (Michx.) Rehder – not accepted
  Viburnum semitomentosa (Michx.) Rehder – not accepted
  Viburnum semitomentosum (Michx.) Rehder – not accepted
  Hieracium kalmii var. canadense (Michx.) Reveal – not accepted
  Streptopus lanceolatus var. roseus (Michx.) Reveal – accepted – twistedstalk
  Phlox glaberrima var. triflora (Michx.) Reveal & Broome – not accepted
  Limnetis polystachia (Michx.) Rich. – not accepted
  Agrostis laxiflora (Michx.) Richardson – not accepted
  Saccharum alopecuroides subvar. brevibarbe (Michx.) Roberty – not accepted
  Sorghum nutans subvar. avenaceum (Michx.) Roberty – not accepted
  Asprella lenticularis (Michx.) Roem. & Schult. – not accepted
  Campuloa monostachya (Michx.) Roem. & Schult. – not accepted
  Eleocharis quadrangulata (Michx.) Roem. & Schult. – accepted – squarestem spikesedge, squarestem spikerush
  Eleocharis tuberculosa (Michx.) Roem. & Schult. – accepted – cone-cup spikerush
  Uniola distichophylla (Michx.) Roem. & Schult. – not accepted
  Arenaria lanuginosa (Michx.) Rohrb. – accepted – spreading sandwort
  Arenaria lanuginosa ssp. lanuginosa (Michx.) Rohrb. – not accepted – spreading sandwort
  Arenaria lanuginosa ssp. lanuginosa var. lanuginosa (Michx.) Rohrb. – not accepted – spreading sandwort
  Arenaria lanuginosa var. lanuginosa (Michx.) Rohrb. – accepted – spreading sandwort
  Tetrorum pusillum (Michx.) Rose – not accepted
  Mentha arvensis ssp. borealis (Michx.) Roy L. Taylor & MacBryde – not accepted
  Sparganium emersum var. angustifolium (Michx.) Roy L. Taylor & MacBryde – not accepted
  Syngonanthus flavidulus (Michx.) Ruhland – accepted – yellow hatpins
  Gymnadeniopsis clavellata (Michx.) Rydb. – accepted – small green wood orchid
  Pediomelum canescens (Michx.) Rydb. – accepted – buckroot
  Physalis barbadensis var. obscura (Michx.) Rydb. – not accepted
  Rhytidomene lupinellus (Michx.) Rydb. – not accepted
  Swida stolonifera (Michx.) Rydb. – not accepted
  Melanthium parviflorum (Michx.) S. Watson – not accepted – Appalachian bunchflower
  Oenothera fruticosa var. linearis (Michx.) S. Watson – not accepted
  Thelypodium pinnatifidum (Michx.) S. Watson – not accepted
  Agalinis auriculata (Michx.) S.F. Blake – accepted – earleaf false foxglove
  Meibomia acuminata (Michx.) S.F. Blake – not accepted
  Artemisia campestris var. canadensis (Michx.) S.L. Welsh – not accepted
  Sabatia gracilis (Michx.) Salisb. – not accepted
  Trillium grandiflorum (Michx.) Salisb. – accepted – snow trillium, white trillium, great white trillium, white wakerobin
  Quercus virginiana var. maritima (Michx.) Sarg. – not accepted
  Rhododendron flammeum (Michx.) Sarg. – accepted – Piedmont azalea, Oconee azalea
  Polystichum acrostichoides (Michx.) Schott – accepted – Christmas fern
  Polystichum acrostichoides var. acrostichoides (Michx.) Schott – not accepted – Christmas fern
  Lonicera villosa (Michx.) Schult. – accepted – mountain fly honeysuckle
  Lonicera villosa var. villosa (Michx.) Schult. – accepted – mountain fly honeysuckle
  Artemisia campestris ssp. canadensis (Michx.) Scoggan – accepted
  Ribes oxyacanthoides var. hirtellum (Michx.) Scoggan – not accepted
  Paspalum paspalodes (Michx.) Scribn. – not accepted
  Paspalum paspalodes var. paspalodes (Michx.) Scribn. – not accepted
  Paspalum paspaloides (Michx.) Scribn. – not accepted
  Sieglingia sesleroides (Michx.) Scribn. – not accepted
  Sphenopholis obtusata (Michx.) Scribn. – accepted – prairie wedgescale, prairie wedgegrass
  Sphenopholis obtusata f. obtusata (Michx.) Scribn. – not accepted
  Sphenopholis obtusata var. obtusata (Michx.) Scribn. – not accepted
  Sphenopholis palustris (Michx.) Scribn. – not accepted
  Trisetum melicoides (Michx.) Scribn. – not accepted – purple false oat
  Trisetum melicoides var. melicoides (Michx.) Scribn. – not accepted
  Magnolia acuminata var. cordata (Michx.) Ser. – not accepted
  Bidens mitis (Michx.) Sherff – accepted – smallfruit beggarticks
  Heterotheca gossypina (Michx.) Shinners – not accepted
  Heterotheca graminiflora (Michx.) Shinners – not accepted
  Heterotheca graminifolia (Michx.) Shinners – not accepted
  Reynoutria cilinodis (Michx.) Shinners – not accepted
  Rhododendron periclymenoides (Michx.) Shinners – accepted – pinxterbloom azalea, pink azalea
  Leiodon latifolius (Michx.) Shuttlw. – not accepted
  Calophanes humistrata (Michx.) Shuttlw. ex Nees – not accepted
  Buxella brachycera (Michx.) Small – not accepted
  Cerothamnus pumilus (Michx.) Small – not accepted
  Dasystephana puberula (Michx.) Small – not accepted
  Decemium appendiculatum (Michx.) Small – not accepted
  Gastronychia herniarioides (Michx.) Small – not accepted
  Geobalanus oblongifolius (Michx.) Small – not accepted
  Hexastylis arifolia (Michx.) Small – accepted – littlebrownjug
  Hexastylis arifolia var. arifolia (Michx.) Small – accepted – littlebrownjug
  Hugeria erythrocarpa (Michx.) Small – not accepted
  Kneiffia hybrida (Michx.) Small – not accepted
  Micranthes virginiensis (Michx.) Small – accepted – Virginia saxifrage, early saxifrage
  Muscadinia rotundifolia (Michx.) Small – not accepted
  Nemexia pulverulenta (Michx.) Small – not accepted
  Nemexia tamnifolia (Michx.) Small – not accepted
  Oakesiella puberula (Michx.) Small – not accepted
  Otophylla auriculata (Michx.) Small – not accepted
  Persicaria hydropiperoides (Michx.) Small – accepted – swamp smartweed
  Sabulina glabra (Michx.) Small – not accepted
  Sabulina patula (Michx.) Small – not accepted
  Sabulina stricta (Michx.) Small – not accepted
  Schoenocaulon dubium (Michx.) Small – accepted – Florida feathershank
  Secula viscidula (Michx.) Small – not accepted
  Sophronanthe pilosa (Michx.) Small – not accepted
  Swida asperifolia (Michx.) Small – not accepted
  Tiniaria cilinodis (Michx.) Small – not accepted
  Tithymalopsis mercurialina (Michx.) Small – not accepted
  Tracyanthus angustifolius (Michx.) Small – not accepted
  Tulipastrum cordatum (Michx.) Small – not accepted
  Xeniatrum umbellulatum (Michx.) Small – not accepted
  Xolisma foliosiflora (Michx.) Small – not accepted
  Tragiola pilosa (Michx.) Small & Pennell – not accepted
  Coleataenia anceps (Michx.) Soreng – accepted
  Coleataenia anceps ssp. anceps (Michx.) Soreng – accepted
  Grossularia hirtella (Michx.) Spach – not accepted
  Kneiffia glauca (Michx.) Spach – not accepted
  Kneiffia linearis (Michx.) Spach – not accepted
  Cyrtopogon dichotomus (Michx.) Spreng. – not accepted
  Habenaria clavellata (Michx.) Spreng. – not accepted
  Pollinia scoparia (Michx.) Spreng. – not accepted
  Polypogon sericeus (Michx.) Spreng. – not accepted
  Triodia melicoides (Michx.) Spreng. – not accepted
  Andropogon curtipendulus (Michx.) Spreng. ex Steud. – not accepted
  Cynthia montana (Michx.) Standl. – not accepted
  Eragrostis pectinacea (Michx.) Steud. – not accepted
  Iodanthus pinnatifidus (Michx.) Steud. – accepted – purple rocket, purplerocket
  Zizania lenticularis (Michx.) Steud. – not accepted
  Phlox carolina var. triflora (Michx.) Steyerm. – not accepted
  Oenothera fremontii var. glauca (Michx.) Straley – not accepted
  Oenothera fruticosa ssp. glauca (Michx.) Straley – accepted – narrowleaf evening primrose, narrowleaf evening-primrose, shrubby sundrops
  Rorippa teres (Michx.) Stuckey – accepted – southern marsh yellowcress
  Botrychium lunarioides (Michx.) Sw. – accepted – winter grapefern, prostrate grapefern
  Cardamine concatenata (Michx.) Sw. – accepted – cutleaf toothwort
  Habenaria quinqueseta (Michx.) Sw. – not accepted – longhorn false reinorchid, longhorn bog orchid
  Oxybaphus nyctagineus (Michx.) Sweet – not accepted
  Rhododendron canescens (Michx.) Sweet – accepted – Piedmont azalea, mountain azalea, southern pinxterbloom azalea
  Rhododendron canescens var. canescens (Michx.) Sweet – not accepted – mountain azalea
  Scirpus scirpoideus (Michx.) T. Koyama – not accepted
  Dennstaedtia punctilobula (Michx.) T. Moore – accepted – eastern hayscented fern, hay-scented fern
  Luziola fluitans (Michx.) Terrell & H. Rob. – accepted – southern watergrass
  Luziola fluitans var. fluitans (Michx.) Terrell & H. Rob. – accepted
  Paspalum distichum ssp. paspalodes (Michx.) Thell. – not accepted
  Luzula parviflora ssp. melanocarpa (Michx.) Tolm. – not accepted – smallflowered woodrush
  Alopecurus geniculatus var. aristulatus (Michx.) Torr. – not accepted
  Bouteloua curtipendula (Michx.) Torr. – accepted – sideoats grama
  Bouteloua curtipendula var. curtipendula (Michx.) Torr. – accepted – sideoats grama, side-oats grama
  Cyperus ovularis (Michx.) Torr. – not accepted
  Hydrochloa fluitans (Michx.) Torr. – not accepted
  Ilex ambigua (Michx.) Torr. – accepted – Carolina holly
  Lipocarpha maculata (Michx.) Torr. – accepted – American halfchaff sedge
  Poa canadensis (Michx.) Torr. – not accepted
  Rhododendron calendulaceum (Michx.) Torr. – accepted – flame azalea
  Rottboellia cylindrica (Michx.) Torr. – not accepted
  Trisetum palustre (Michx.) Torr. – not accepted
  Vallisneria spiralis var. americana (Michx.) Torr. – not accepted
  Vallisneria spiralis var. asiatica (Michx.) Torr. – not accepted
  Aster dumosus var. cordidifolius (Michx.) Torr. & A. Gray – not accepted
  Aster dumosus var. coridifolius (Michx.) Torr. & A. Gray – not accepted
  Aster ericoides var. villosus (Michx.) Torr. & A. Gray – not accepted
  Carphephorus bellidifolius (Michx.) Torr. & A. Gray – accepted – sandywoods chaffhead
  Carphephorus tomentosus (Michx.) Torr. & A. Gray – accepted – woolly chaffhead
  Echinocystis lobata (Michx.) Torr. & A. Gray – accepted – wild balsam apple, wild mock-cucumber, wild mockcucumber, wild cucumber, concombre grimpant
  Galium pilosum var. puncticulosum (Michx.) Torr. & A. Gray – accepted – hairy bedstraw
  Hedyotis caerulea var. minor (Michx.) Torr. & A. Gray – not accepted
  Lonicera caerulea var. villosa (Michx.) Torr. & A. Gray – not accepted
  Nabalus asperus (Michx.) Torr. & A. Gray – not accepted
  Potentilla canadensis var. simplex (Michx.) Torr. & A. Gray – not accepted
  Rhynchosia tomentosa var. monophylla (Michx.) Torr. & A. Gray – not accepted
  Rhynchosia tomentosa var. volubilis (Michx.) Torr. & A. Gray – not accepted
  Waldsteinia fragarioides (Michx.) Tratt. – accepted – Appalachian barren strawberry
  Waldsteinia fragarioides ssp. fragarioides (Michx.) Tratt. – not accepted – Appalachian barren strawberry
  Waldstenia fragarioides (Michx.) Tratt. – not accepted
  Waldstenia fragarioides var. fragarioides (Michx.) Tratt. – not accepted
  Chrysopogon nutans var. avenaceus (Michx.) Trel. ex Branner & Coville – not accepted
  Huperzia lucidula (Michx.) Trevis. – accepted – shining clubmoss
  Eutriana curtipendula (Michx.) Trin. – not accepted
  Glyceria canadensis (Michx.) Trin. – accepted – rattlesnake mannagrass
  Glyceria canadensis var. canadensis (Michx.) Trin. – accepted
  Urachne asperifolia (Michx.) Trin. – not accepted
  Alopecurus aequalis ssp. aristulatus (Michx.) Tzvelev – not accepted
  Alopecurus aequalis var. aristulatus (Michx.) Tzvelev – not accepted
  Zerna canadensis (Michx.) Tzvelev – not accepted
  Tofieldia tenuifolia (Michx.) Utech – not accepted
  Fimbristylis castanea (Michx.) Vahl – not accepted – saltmarsh fimbristylis, marsh fimbry
  Fimbristylis puberula (Michx.) Vahl – accepted – hairy fimbry
  Fimbristylis puberula var. puberula (Michx.) Vahl – accepted – hairy fimbry
  Heteranthera graminea (Michx.) Vahl – not accepted
  Rhynchospora capitellata (Michx.) Vahl – accepted – brownish beakrush, brownish beaksedge
  Rhynchospora distans (Michx.) Vahl – not accepted
  Rhynchospora fascicularis (Michx.) Vahl – accepted – fascicled beaksedge
  Rhynchospora fascicularis var. fascicularis (Michx.) Vahl – not accepted – fascicled beaksedge
  Rhynchospora inexpansa (Michx.) Vahl – accepted – nodding beaksedge
  Paspalum setaceum var. ciliatifolium (Michx.) Vasey – accepted
  Bumelia reclinata (Michx.) Vent. – not accepted
  Cylactis arctica ssp. acaulis (Michx.) W.A. Weber – not accepted
  Cylactis arcticus ssp. acaulis (Michx.) W.A. Weber – not accepted
  Oligosporus campestris ssp. caudatus (Michx.) W.A. Weber – not accepted
  Hypericum stans (Michx.) W.P. Adams & N. Robson – not accepted
  Pylaisiadelpha recurvans (Michx.) W.R. Buck – not accepted
  Cornus alba ssp. stolonifera (Michx.) Wangerin – not accepted
  Physalis pubescens var. glabra (Michx.) Waterf. – not accepted
  Phegopteris connectilis (Michx.) Watt – accepted – narrow beech fern, northern beech fern, long beech fern
  Thelypteris hexagonoptera (Michx.) Weath. – not accepted
  Bacopa rotundifolia (Michx.) Wettst. – accepted – disk water-hyssop, wet waterhyssop, disc waterhyssop, disk waterhyssop
  Phlox glaberrima ssp. triflora (Michx.) Wherry – accepted – smooth phlox
  Phlox pilosa var. virens (Michx.) Wherry – not accepted
  Dactyloctenium mucronatum (Michx.) Willd. – not accepted
  Ludolfia macrosperma (Michx.) Willd. – not accepted
  Pyrus melanocarpa (Michx.) Willd. – not accepted
  Quercus maritima (Michx.) Willd. – not accepted
  Spartina juncea (Michx.) Willd. – not accepted
  Sorengia anceps (Michx.) Zuloaga & Morrone – not accepted
  Sorengia anceps ssp. anceps (Michx.) Zuloaga & Morrone – not accepted
  Chetyson pulchella (Michx.) Á. Löve & D. Löve – not accepted
  Clausenellia ternata (Michx.) Á. Löve & D. Löve – not accepted
  Huperzia selago ssp. lucidula (Michx.) Á. Löve & D. Löve – not accepted
  Minuartia groenlandica ssp. glabra (Michx.) Á. Löve & D. Löve – not accepted
  Packera paupercula (Michx.) Á. Löve & D. Löve – accepted – balsam groundsel
  Packera paupercula var. paupercula (Michx.) Á. Löve & D. Löve – accepted
  Populus tremula ssp. tremuloides (Michx.) Á. Löve & D. Löve – not accepted
  Porsildia groenlandica ssp. glabra (Michx.) Á. Löve & D. Löve – not accepted
  Scirpus quadrangulatus Muhl., non Michx. – not accepted
  Andropogon scoparius var. neomexicanus (Nash) Michx. – not accepted
  Eupatorium linearifolium sensu Michx. non Walter – not accepted
  Arabis ovata sensu Small, non Michx. – not accepted
  Aster tortifolius (Torr. & A. Gray) A. Gray non Michx. – not accepted
  Leptopoda fimbriata Torr. & A. Gray non Leptopoda fimbriata (Michx.) Eaton – not accepted
  Digitaria serotina (Walter) Michx. – accepted – dwarf crabgrass
  Helianthemum carolinianum (Walter) Michx. – not accepted – Carolina frostweed
  Liatris elegans (Walter) Michx. – accepted – pinkscale blazing star, pinkscale gayfeather
  Liatris elegans var. elegans (Walter) Michx. – accepted – pinkscale blazing star, pinkscale gayfeather
  Trichodium altissimum (Walter) Michx. ex Alph. Wood – not accepted

A gray bar