Integrated Taxonomic Information System - Search Results

Results of: Search in every Kingdom for Taxon Author(s) Name(s) Nutt. OR Nutt 'Nutt.'
 
 Kingdom Plantae
  Acacia hirta Nutt. – not accepted
  Acer grandidentatum Nutt. – accepted – sugar maple, canyon maple, Uvalde big-tooth maple, bigtooth maple
  Acer grandidentatum var. grandidentatum Nutt. – accepted – bigtooth maple, Uvalde bigtooth maple
  Achillea lanulosa Nutt. – not accepted – western yarrow
  Aconitum columbianum Nutt. – accepted – Columbian monkshood
  Aconitum columbianum ssp. columbianum Nutt. – accepted – Columbian monkshood
  Aconitum columbianum var. columbianum Nutt. – not accepted – Columbian monkshood
  Actaea arguta Nutt. – not accepted
  Actinomeris nudicaulis Nutt. – not accepted
  Actinomeris pauciflora Nutt. – not accepted
  Aegilops hystrix Nutt. – not accepted
  Agrostis brevifolia Nutt. – not accepted
  Alcemilla occidentalis Nutt. – not accepted
  Alchemilla cuneifolia Nutt. – not accepted
  Alchemilla occidentalis Nutt. – not accepted
  Alisma rostrata Nutt. – not accepted
  Alisma rostratum Nutt. – not accepted
  Alnus oregona Nutt. – not accepted
  Alnus rhombifolia Nutt. – accepted – rhombie leaf alder, white alder
  Alnus tenuifolia Nutt. – not accepted – mountain alder
  Ambrosia tomentosa Nutt. – accepted – skeletonleaf bur ragweed, skeletonleaf burr ragweed, skeleton-leaf burr-ragweed, skeletonleaf bursage
  Ammodia oregona Nutt. – not accepted
  Amorpha californica Nutt. – accepted – California false indigo, mock locust
  Amorpha californica var. californica Nutt. – accepted – California false indigo
  Amorpha laevigata Nutt. – accepted – smooth false indigo, smooth indigobush
  Amorpha nana Nutt. – accepted – dwarf false indigo, dwarf indigo, dwarf indigobush
  Anemia californica Nutt. – not accepted
  Anemone ludoviciana Nutt. – not accepted
  Angelica genuflexa Nutt. – accepted – kneeling angelica
  Anisocarpus Nutt. – accepted
  Anisocarpus madioides Nutt. – accepted – woodland madia
  Antennaria labradorica Nutt. – not accepted
  Antennaria parvifolia Nutt. – accepted – small-leaf pussytoes, smalleaf pussytoes, little-leaf pussytoes, Rocky Mountain pussytoes, small leaf pussytoes
  Anthopogon Nutt. – not accepted
  Anthopogon filiformis Nutt. – not accepted
  Anthopogon lepturoides Nutt. – not accepted
  Apiastrum angustifolium Nutt. – accepted – mock parsley
  Apteria Nutt. – accepted – apteria
  Arabis heterophylla Nutt. – not accepted
  Arabis microphylla Nutt. – not accepted – small leaf rockcress, littleleaf rockcress
  Arabis microphylla var. microphylla Nutt. – not accepted – smallleaf rockcress, littleleaf rockcress
  Arabis puberula Nutt. – not accepted – Blue Mountain rockcress, silver rockcress
  Arabis sparsiflora Nutt. – not accepted – fewleaf rockcress, sicklepod rockcress
  Arabis sparsiflora var. sparsiflora Nutt. – not accepted – sicklepod rockcress
  Arctostaphylos pumila Nutt. – accepted – sandmat manzanita, sand-mat manzanita
  Arenaria congesta Nutt. – not accepted – ballhead sandwort
  Arenaria congesta var. congesta Nutt. – not accepted – ballhead sandwort
  Arenaria hookeri Nutt. – not accepted – Hooker's sandwort
  Arenaria hookeri ssp. hookeri Nutt. – not accepted – Hooker's sandwort
  Arenaria hookeri var. hookeri Nutt. – not accepted
  Arenaria pungens Nutt. – not accepted
  Arenaria tenella Nutt. – not accepted
  Aristida pallens Nutt. – not accepted
  Aristida purpurea Nutt. – accepted – purple threeawn, purple three-awn, purple 3-awn, red threeawn
  Aristida purpurea var. purpurea Nutt. – accepted – purple threeawn
  Aristida tuberculosa Nutt. – accepted – seaside threeawn
  Aristolochia hastata Nutt. – not accepted
  Aristolochia reticulata Nutt. – accepted – Texas dutchman's pipe
  Arnica amplexicaulis Nutt. – not accepted – clasping arnica, streambank arnica
  Arnica foliosa Nutt. – not accepted
  Arnica lanceolata Nutt. – accepted – lanceleaf arnica, arnica, arnica à aigrettes brunes
  Arnica lanceolata ssp. lanceolata Nutt. – accepted – lanceleaf arnica, arnica à aigrettes brunes
  Aronia alnifolia Nutt. – not accepted
  Artemisia arbuscula Nutt. – accepted – little sagebrush, low sagebrush
  Artemisia arbuscula ssp. arbuscula Nutt. – accepted – gray low sagebrush, little sagebrush
  Artemisia gnaphalodes Nutt. – not accepted
  Artemisia incompta Nutt. – not accepted
  Artemisia longifolia Nutt. – accepted – longleaf wormwood, longleaf sagebrush
  Artemisia ludoviciana Nutt. – accepted – white sagebrush, cudweed sagewort, Louisiana sagewort, gray sagewort, Louisiana wormwood, mugwort wormwood, prairie sage
  Artemisia ludoviciana ssp. ludoviciana Nutt. – accepted – white sagebrush, cudweed sagewort, foothill sagewort, Louisiana sagewort
  Artemisia ludoviciana var. latiloba Nutt. – not accepted
  Artemisia pacifica Nutt. – not accepted
  Artemisia pedatifida Nutt. – accepted – birdfoot sagebrush
  Artemisia serrata Nutt. – accepted – sawtooth wormwood
  Artemisia tridentata Nutt. – accepted – big sagebrush, big sagebush
  Artemisia tridentata ssp. tridentata Nutt. – accepted – basin big sagebrush, big sagebrush
  Artemisia trifida Nutt. – not accepted
  Artemisia trifida var. rigida Nutt. – not accepted
  Asclepias lanuginosa Nutt. – accepted – side-cluster milkweed, sidecluster milkweed, woolly milkweed, small-green milkweed
  Asperella angustifolia Nutt. – not accepted
  Asplenium pinnatifidum Nutt. – accepted – lobed spleenwort
  Asprella americana Nutt. – not accepted
  Aster adnatus Nutt. – not accepted – scaleleaf aster
  Aster amethystinus Nutt. – not accepted
  Aster campestris Nutt. – not accepted – meadow aster
  Aster campestris var. campestris Nutt. – not accepted – western meadow aster
  Aster glacialis Nutt. – not accepted
  Aster gracilis Nutt. – not accepted – slender aster
  Aster integrifolius Nutt. – not accepted – thickstem aster
  Aster oblongifolius Nutt. – not accepted – aromatic aster
  Aster pauciflorus Nutt. – not accepted
  Astragalus argophyllus Nutt. – accepted – silverleaf milkvetch, silver-leaf milkvetch
  Astragalus argophyllus var. argophyllus Nutt. – accepted – silverleaf milkvetch
  Astragalus catalinensis Nutt. – not accepted
  Astragalus crassicarpus Nutt. – accepted – groundplum milkvetch, ground-plum
  Astragalus crassicarpus var. crassicarpus Nutt. – accepted – groundplum milkvetch, ground-plum
  Astragalus flavus var. flavus Nutt. – accepted – yellow milkvetch
  Astragalus gracilis Nutt. – accepted – slender milkvetch, milkvetch
  Astragalus missouriensis Nutt. – accepted – Missouri milkvetch, Missouri milk-vetch
  Astragalus missouriensis var. missouriensis Nutt. – accepted – Missouri milkvetch, Missouri milk-vetch
  Astragalus mortonii Nutt. – not accepted
  Astragalus oreganus Nutt. – accepted – Oregon milkvetch
  Astragalus plattensis Nutt. – accepted – Platte River milkvetch, Platte River milk-vetch, Platte milkvetch
  Astragalus shortianus Nutt. – accepted – Short's milkvetch
  Astragalus striatus Nutt. – not accepted
  Astranthium Nutt. – accepted – western daisy
  Astranthuim Nutt. – not accepted
  Atheropogon oligostachyus Nutt. – not accepted
  Atragene columbiana Nutt. – not accepted
  Atriplex arenaria Nutt. – not accepted
  Atriplex argentea Nutt. – accepted – silverscale, silverscale saltweed, silverscale saltbush
  Atriplex argentea ssp. argentea Nutt. – not accepted – silverscale, silverscale saltbush
  Atriplex argentea ssp. argentea var. argentea Nutt. – not accepted – silverscale saltbush, silverscale
  Atriplex argentea var. argentea Nutt. – accepted – silverscale saltbush
  Aulaxia Nutt. – not accepted
  Balduina Nutt. – accepted – honeycombhead
  Balduina uniflora Nutt. – accepted – oneflower honeycombhead
  Balsamorhiza Nutt. – accepted – balsamroot
  Balsamorhiza deltoidea Nutt. – accepted – deltoid balsamroot
  Balsamorhiza hirsuta Nutt. – not accepted
  Balsamorhiza incana Nutt. – accepted – hoary balsamroot
  Balsamorhiza macrophylla Nutt. – accepted – cutleaf balsamroot, Idaho balsamroot
  Baptisia leucophaea Nutt. – accepted – longbract wild indigo
  Baptisia sphaerocarpa Nutt. – accepted – yellow wild indigo, round wild indigo, green wild indigo
  Bidens gracilis Nutt. – not accepted
  Bolophyta alpina Nutt. – not accepted
  Borya distichophylla Nutt. – not accepted
  Boykinia Nutt. – accepted – brookfoam
  Boykinia aconitifolia Nutt. – accepted – Allegheny brookfoam, brook saxifrage
  Brickellia oblongifolia Nutt. – accepted – Mojave brickellbush, narrowleaf brickellbush, Mohave brickellbush
  Brickellia oblongifolia var. oblongifolia Nutt. – accepted – Mojave brickellbush, narrowleaf brickellbush
  Briza canadensis Nutt. – not accepted
  Bruchmannia Nutt. – not accepted
  Bulbostylis annua Nutt. – not accepted
  Bumelia angustifolia Nutt. – not accepted
  Bumelia macrocarpa Nutt. – not accepted
  Bumelia oblongifolia Nutt. – not accepted
  Cacalia lanceolata Nutt. – not accepted
  Cacalia tuberosa Nutt. – not accepted
  Cactus fragilis Nutt. – not accepted
  Cactus viviparus Nutt. – not accepted
  Cakile americana Nutt. – not accepted
  Calamagrostis andina Nutt. – not accepted
  Calamagrostis gigantea Nutt. – not accepted
  Calamagrostis mexicana Nutt. – not accepted
  Calandrinia maritima Nutt. – not accepted
  Callirhoe Nutt. – accepted – polly mallow, poppymallow, wine cup, wild hollyhock
  Callirhoe digitata Nutt. – accepted – fringed poppy mallow, winecup, finger poppy mallow
  Callitriche pedunculosa Nutt. – accepted – Nuttall's water-starwort
  Callitriche peploides Nutt. – accepted – matted waterstarwort, matted water-starwort
  Callitriche peploides var. peploides Nutt. – accepted
  Calycodon Nutt. – not accepted
  Calycodon montanus Nutt. – not accepted
  Calymenia decumbens Nutt. – not accepted
  Calyptridium Nutt. – not accepted
  Calyptridium monandrum Nutt. – not accepted
  Cardamine oligosperma Nutt. – accepted – Idaho bittercress, little western bittercress
  Cardamine oligosperma var. oligosperma Nutt. – not accepted – little western bittercress
  Carduus pumilus Nutt. – not accepted
  Carduus undulatus Nutt. – not accepted
  Carex aurea Nutt. – accepted – golden-fruit sedge, golden sedge
  Carex collinsii Nutt. – accepted – Collins' sedge
  Carex filifolia Nutt. – accepted – threadleaf sedge
  Carex filifolia var. filifolia Nutt. – accepted – sedge
  Carya Nutt. – accepted – caryer, hickory
  Carya aquatica Nutt. – not accepted – water hickory, bitter pecan
  Castanea alnifolia Nutt. – not accepted – Florida chinkapin
  Ceanothus divaricatus Nutt. – not accepted
  Ceanothus hirsutus Nutt. – not accepted
  Ceanothus megacarpus Nutt. – accepted – bigpod ceanothus
  Ceanothus megacarpus ssp. megacarpus Nutt. – not accepted – bigpod ceanothus
  Ceanothus megacarpus var. megacarpus Nutt. – accepted – bigpod ceanothus
  Ceanothus oliganthus Nutt. – accepted – hairy ceanothus
  Ceanothus oliganthus ssp. oliganthus Nutt. – not accepted – explorer's bush
  Ceanothus oliganthus var. oliganthus Nutt. – not accepted – California-lilac
  Ceanothus oreganus Nutt. – not accepted
  Ceanothus rigidus Nutt. – not accepted
  Ceanothus serpyllifolius Nutt. – accepted – coastal plain buckbrush
  Ceanothus spinosus Nutt. – accepted – greenbark ceanothus, redheart
  Ceanothus verrucosus Nutt. – accepted – barranca brush, wart-stemmed ceanothus
  Celtis tenuifolia Nutt. – accepted – Georgia hackberry, dwarf hackberry
  Centaurea americana Nutt. – not accepted – American basketflower, American star thistle, American star-thistle
  Cerasus demissa Nutt. – not accepted
  Cercocarpus betuloides Nutt. – accepted – birch-leaf mountain-mahogany
  Cercocarpus betuloides var. betuloides Nutt. – accepted – birch-leaf mountain-mahogany
  Cercocarpus ledifolius Nutt. – accepted – curlleaf cercocarpus, curl-leaf mountain-mahogany
  Cercocarpus ledifolius var. ledifolius Nutt. – accepted – curl-leaf mountain-mahogany
  Chaenactis tenuifolia Nutt. – not accepted
  Chloris verticillata Nutt. – accepted – tumble windmill grass, windmillgrass, Tumble Windmillgrass
  Chorizanthe angustifolia Nutt. – accepted – narrowleaf spineflower
  Chorizanthe discolor Nutt. – not accepted
  Chorizanthe fimbriata Nutt. – accepted – fringed spineflower
  Chorizanthe fimbriata var. fimbriata Nutt. – accepted – fringed spineflower
  Chorizanthe procumbens Nutt. – accepted – prostrate spineflower
  Chorizanthe uncinata Nutt. – not accepted
  Chrysoma Nutt. – accepted – chrysoma
  Chrysoma solidaginoides Nutt. – not accepted
  Chrysopsis alpina Nutt. – not accepted
  Chrysopsis foliosa Nutt. – not accepted
  Chrysopsis hyssopifolia Nutt. – not accepted
  Chrysopsis mollis Nutt. – not accepted
  Chrysopsis pilosa Nutt. – not accepted – soft goldenaster, soft goldaster
  Chrysopsis sessiliflora Nutt. – not accepted
  Chrysosplenium glechomifolium Nutt. – accepted – Pacific golden saxifrage
  Chrysothamnus Nutt. – accepted – rabbitbrush
  Chrysothamnus depressus Nutt. – accepted – longflower rabbitbrush, dwarf rabbitbrush
  Cimicifuga elata Nutt. – not accepted – tall bugbane
  Cirsium brevifolium Nutt. – accepted – Palouse thistle
  Cirsium canescens Nutt. – accepted – prairie thistle, Platte thistle
  Cirsium edule Nutt. – accepted – edible thistle, Hall's thistle, cardoon
  Cirsium edule var. edule Nutt. – accepted – edible thistle, Hall's thistle
  Cirsium hookerianum Nutt. – accepted – white thistle
  Cirsium scariosum Nutt. – accepted – meadow thistle
  Cirsium scariosum var. scariosum Nutt. – accepted – meadow thistle
  Cirsium stenolepidum Nutt. – not accepted
  Cissampelos pauciflora Nutt. – not accepted
  Cladothrix lanuginosa Nutt. – not accepted
  Claytonia dichotoma Nutt. – not accepted
  Claytonia diffusa Nutt. – not accepted
  Clematis lasiantha Nutt. – accepted – pipestem clematis
  Clematis ligusticifolia Nutt. – accepted – virgins bower, virginsbower, virgin's-bower, old-man's-beard, hierba de chivo, western white clematis
  Clematis ligusticifolia var. brevifolia Nutt. – not accepted – western white clematis
  Clematis ligusticifolia var. ligusticifolia Nutt. – not accepted – western white clematis, deciduous traveler's-joy, white clematis
  Clematis pauciflora Nutt. – accepted – ropevine clematis
  Collinsia Nutt. – accepted – blue-eyed Mary, blue eyed Mary
  Collinsia verna Nutt. – accepted – blue-eyed Mary, spring blue eyed Mary
  Collinsia violacea Nutt. – accepted – violet collensia, violet blue eyed Mary
  Collomia Nutt. – accepted – mountain trumpet, trumpet
  Collomia linearis Nutt. – accepted – tiny trumpet, narrow-leaf mountain-trumpet, slenderleaf collomia, narrowleaf mountaintrumpet
  Comandra Nutt. – accepted – toadflax, bastard toadflax
  Corallorhiza multiflora Nutt. – not accepted
  Corallorrhiza multiflora Nutt. – not accepted
  Coreopsis linifolia Nutt. – not accepted – Texas tickseed
  Coreopsis nudata Nutt. – accepted – Georgia tickseed
  Coreopsis palmata Nutt. – accepted – stiff tickseed, wedgeleaf coreopsis
  Coreopsis rosea Nutt. – accepted – pink tickseed
  Coreopsis tinctoria Nutt. – accepted – golden tickseed, Atkinson's tickseed, plains coreopsis, plains tickseed
  Coreopsis tinctoria var. tinctoria Nutt. – not accepted – golden tickseed
  Corethrogyne incana Nutt. – not accepted
  Cotinus americanus Nutt. – not accepted
  Crataegus rivularis Nutt. – accepted – river hawthorn
  Crepis acuminata Nutt. – accepted – tapertip hawksbeard, long-leaf hawksbeard, longleaf hawksbeard
  Crepis acuminata ssp. acuminata Nutt. – not accepted – tapertip hawksbeard, longleaf hawksbeard
  Crepis occidentalis Nutt. – accepted – largeflower hawksbeard, large-flower hawk's-beard, western hawksbeard
  Crepis occidentalis ssp. occidentalis Nutt. – accepted – largeflower hawksbeard
  Cristatella erosa Nutt. – not accepted
  Crossosoma Nutt. – accepted – rockflower
  Crossosoma californica Nutt. – not accepted
  Crossosoma californicum Nutt. – accepted – California rockflower
  Croton ellipticus Nutt. – not accepted
  Croton muricatus Nutt. – not accepted
  Crypsis squarrosa Nutt. – not accepted
  Cymanchum scoparium Nutt. – not accepted
  Cymopterus glaucus Nutt. – accepted – smooth springparsley, waxy springparsley
  Cynanchum scoparium Nutt. – not accepted – leafless swallow-wort
  Cyrtorhyncha ranunculina Nutt. – not accepted
  Danthonia sericea Nutt. – accepted – downy danthonia
  Danthonia sericea var. sericea Nutt. – not accepted
  Delphinium bicolor Nutt. – accepted – little larkspur
  Delphinium bicolor ssp. bicolor Nutt. – accepted – little larkspur
  Delphinium depauperatum Nutt. – accepted – wand larkspur, slim larkspur
  Delphinium virescens Nutt. – not accepted – Carolina larkspur, plains larkspur, prairie larkspur
  Dentaria californica Nutt. – not accepted
  Dentaria heterophylla Nutt. – not accepted
  Dentaria integrifolia Nutt. – not accepted
  Dentaria maxima Nutt. – not accepted
  Diachroa Nutt. – not accepted
  Diamorpha Nutt. – accepted
  Diaperia Nutt. – accepted
  Dieteria Nutt. – accepted
  Dieteria divaricata Nutt. – not accepted
  Dieteria pulverulenta Nutt. – not accepted
  Dieteria viscosa Nutt. – not accepted
  Diospyros virginiana var. pubescens Nutt. – not accepted
  Diplacus Nutt. – accepted – bush monkeyflower
  Diplacus latifolius Nutt. – not accepted
  Diplacus leptanthus Nutt. – not accepted
  Diplacus longiflorus Nutt. – accepted – southern bush monkeyflower
  Diplacus puniceus Nutt. – accepted – red bush monkeyflower
  Draba densifolia Nutt. – accepted – denseleaf draba
  Draba micrantha Nutt. – not accepted
  Dracocephalum intermedium Nutt. – not accepted
  Dracocephalum parviflorum Nutt. – accepted – American dragonhead
  Echeveria pulverulenta Nutt. – not accepted
  Echinacea atrorubens Nutt. – accepted – Topeka purple coneflower, yellowsampson
  Echinacea sanguinea Nutt. – accepted – sanguin purple coneflower
  Elephantopus carolinianus var. simplex Nutt. – not accepted
  Encelia californica Nutt. – accepted – California brittlebush
  Enslenia albida Nutt. – not accepted
  Epifagus Nutt. – accepted – beechdrops
  Epilobium suffruticosum Nutt. – accepted – shrubby willowherb
  Ericameria Nutt. – accepted – goldenbush, heath goldenrod, heathgoldenrod
  Ericameria nana Nutt. – accepted – dwarf goldenbush, low goldenbush
  Ericameria resinosa Nutt. – accepted – Columbian goldenbush
  Erigenia Nutt. – accepted
  Erigeron asper Nutt. – not accepted – rough fleabane
  Erigeron asperum Nutt. – not accepted
  Erigeron bellidiastrum Nutt. – accepted – western daisy fleabane, western fleabane
  Erigeron bellidiastrum var. bellidiastrum Nutt. – accepted – western daisy fleabane
  Erigeron caespitosus Nutt. – accepted – tufted fleabane
  Erigeron corymbosus Nutt. – accepted – longleaf fleabane
  Erigeron decumbens Nutt. – accepted – Willamette fleabane
  Erigeron decumbens var. decumbens Nutt. – accepted – Willamette fleabane, Willamette daisy
  Erigeron filiosus Nutt. – not accepted
  Erigeron foliosus Nutt. – accepted – leafy fleabane
  Erigeron foliosus var. foliosus Nutt. – accepted – leafy fleabane
  Erigeron glabellus Nutt. – accepted – streamside fleabane, smooth fleabane
  Erigeron glabellus var. glabellus Nutt. – accepted – streamside fleabane, rough fleabane
  Erigeron macranthus Nutt. – not accepted
  Erigeron nanus Nutt. – accepted – dwarf fleabane
  Erigeron nivalis Nutt. – accepted – bitter daisy, bitter fleabane, blue fleabane
  Erigeron ochroleucus Nutt. – accepted – buff fleabane
  Erigeron ochroleucus var. ochroleucus Nutt. – accepted – buff fleabane
  Erigeron pumilus Nutt. – accepted – shaggy fleabane, low fleabane, low daisy
  Erigeron pumilus ssp. pumilus Nutt. – not accepted – shaggy fleabane
  Erigeron pumilus var. pumilus Nutt. – accepted – shaggy fleabane
  Erigeron pusillus Nutt. – not accepted
  Eriocarpum grindelioides Nutt. – not accepted
  Eriocoma Nutt. – not accepted
  Eriocoma cuspidata Nutt. – not accepted
  Eriodictyon angustifolium Nutt. – accepted – yerba santa, narrowleaf yerba santa
  Eriogonum acaule Nutt. – accepted – singlestem buckwheat, pointed eriogonum
  Eriogonum angustifolium Nutt. – not accepted
  Eriogonum annuum Nutt. – accepted – annual buckwheat, umbrella plant, wild buckwheat, annual eriogonum, annual wild buckwheat, annual wildbuckwheat
  Eriogonum brevicaule Nutt. – accepted – shortstem buckwheat
  Eriogonum brevicaule var. brevicaule Nutt. – accepted – shortstem buckwheat
  Eriogonum caespitosum Nutt. – accepted – matted buckwheat, matted wild buckwheat, mat eriogonum, mat buckwheat
  Eriogonum campanulatum Nutt. – not accepted
  Eriogonum cernuum Nutt. – accepted – nodding buckwheat, nodding eriogonum, nodding wild buckwheat
  Eriogonum cernuum var. cernum Nutt. – not accepted
  Eriogonum cernuum var. cernuum Nutt. – not accepted – nodding buckwheat, nodding wild buckwheat
  Eriogonum effusum Nutt. – accepted – spreading buckwheat, buckwheat eriogonum
  Eriogonum effusum var. effusum Nutt. – not accepted – spreading buckwheat
  Eriogonum flavum Nutt. – accepted – yellow eriogonum, alpine golden buckwheat
  Eriogonum flavum var. flavum Nutt. – accepted – alpine golden buckwheat
  Eriogonum heracleoides Nutt. – accepted – parsnipflower buckwheat, Wyeth's eriogonum, Wyeth's buckwheat
  Eriogonum heracleoides var. heracleoides Nutt. – accepted – parsnipflower buckwheat
  Eriogonum longifolium Nutt. – accepted – longleaf eriogonum, longleaf wildbuckwheat, longleaf buckwheat
  Eriogonum longifolium var. longifolium Nutt. – accepted – longleaf buckwheat
  Eriogonum microthecum Nutt. – accepted – slenderbush eriogonum, slenderbush buckwheat, slender buckwheat
  Eriogonum microthecum var. microthecum Nutt. – accepted – slender buckwheat
  Eriogonum ovalifolium Nutt. – accepted – ovalleaf eriogonum, cushion wild buckwheat, cushion buckwheat
  Eriogonum ovalifolium var. ovalifolium Nutt. – accepted – cushion buckwheat, cushion wild buckwheat
  Eriogonum racemosum Nutt. – accepted – redroot buckwheat
  Eriogonum racemosum var. racemosum Nutt. – not accepted
  Eriogonum rosmarinifolium var. foliolosum Nutt. – not accepted
  Eriophorum tenellum Nutt. – accepted – fewnerved cottongrass
  Erysimum arkansanum Nutt. – not accepted
  Erysimum elatum Nutt. – not accepted
  Erysimum parviflorum Nutt. – not accepted
  Erythremia grandiflora Nutt. – not accepted
  Erythronium albidum Nutt. – accepted – small white fawnlily, white fawnlily
  Espeletia amplexicaulis Nutt. – not accepted
  Eubotrys Nutt. – accepted
  Eucephalus Nutt. – accepted – aster, eucephalus
  Eucephalus elegans Nutt. – accepted – elegant aster
  Eucephalus glaucus Nutt. – not accepted
  Eucrypta Nutt. – accepted – hideseed
  Euonymus obovata Nutt. – not accepted – running strawberry bush
  Euonymus obovatus Nutt. – accepted – running strawberry bush
  Euphorbia arenaria Nutt. – not accepted
  Euphorbia herniarioides Nutt. – not accepted
  Euphorbia heterantha Nutt. – not accepted
  Euphorbia maritima Nutt. – not accepted
  Euphorbia peploides Nutt. – not accepted
  Euploca Nutt. – accepted
  Euploca convolvulacea Nutt. – accepted – wide-flower heliotrope, phlox heliotrope, bindweed heliotrope
  Euploca convolvulacea ssp. convolvulacea Nutt. – accepted – phlox heliotrope
  Euthamia occidentalis Nutt. – accepted – western goldentop, western goldenrod
  Evolvulus pilosus Nutt. – not accepted
  Festuca megalura Nutt. – not accepted
  Festuca microstachys Nutt. – not accepted
  Festuca microstachys var. microstachys Nutt. – not accepted
  Festuca sciurea Nutt. – not accepted
  Festuca spicata Nutt. – not accepted
  Festuca tenella var. glauca Nutt. – not accepted
  Ficus aurea Nutt. – accepted – Florida strangler, Florida strangler fig
  Ficus brevifolia Nutt. – not accepted
  Filago californica Nutt. – not accepted – California cottonrose, California fluffweed
  Forestiera pubescens Nutt. – accepted – downy forestiera, desert olive, elbowbush, stretchberry
  Forestiera pubescens var. pubescens Nutt. – accepted – stretchberry, New Mexico olive, New Mexico forestiera
  Franseria discolor Nutt. – not accepted – skeletonleaf bursage
  Franseria pumila Nutt. – not accepted
  Fraxinus oregona Nutt. – not accepted
  Fraxinus pauciflora Nutt. – not accepted
  Fritillaria atropurpurea Nutt. – accepted – spotted fritillary, leopard lily, spotted missionbells
  Galactia elliotii Nutt. – not accepted
  Galactia elliottii Nutt. – accepted – Elliott's milkpea
  Galium californicum var. crebrifolium Nutt. – not accepted
  Galium suffruticosum Nutt. – not accepted
  Galium trichocarpum Nutt. – not accepted
  Galium virgatum Nutt. – accepted – southwest bedstraw, southwestern bedstraw
  Gambelia Nutt. – accepted – greenbright
  Gambelia speciosa Nutt. – accepted – showy greenbright
  Gerardia aphylla Nutt. – not accepted
  Gerardia filifolia Nutt. – not accepted
  Gerardia heterophylla Nutt. – not accepted
  Gerardia linifolia Nutt. – not accepted
  Gerardia longifolia Nutt. – not accepted
  Gerardia pedicularia var. pectinata Nutt. – not accepted
  Gerardia tenuifolia var. parviflora Nutt. – not accepted
  Gilia crebrifolia Nutt. – not accepted
  Gilia filifolia Nutt. – not accepted
  Gilia multiflora Nutt. – not accepted
  Gilia pumila Nutt. – not accepted
  Gilia spicata Nutt. – not accepted
  Githopsis Nutt. – accepted – bluecup
  Githopsis specularioides Nutt. – accepted – common bluecup
  Githopsis specularioides var. hirsuta Nutt. – not accepted
  Githopsis specularioides var. specularioides Nutt. – not accepted
  Glyceria repanda Nutt. – not accepted
  Glycyrrhiza glutinosa Nutt. – not accepted
  Gnaphalium dimorphum Nutt. – not accepted
  Gnaphalium microcephalum Nutt. – not accepted
  Gnaphalium palustre Nutt. – accepted – western marsh cudweed, lowland cudweed, cudweed, marsh everlasting
  Gnaphalium ramosissimum Nutt. – not accepted
  Gnaphalium ustulatum Nutt. – not accepted
  Gossypium tormentosum Nutt. – not accepted
  Gratiola floridana Nutt. – accepted – Florida hedgehyssop
  Greenia Nutt. – not accepted
  Greenia arkansana Nutt. – not accepted
  Grindelia lanceolata Nutt. – accepted – narrowleaf gumweed, Texan gumweed, spiny toothed gumweed, Gulf gumweed
  Grindelia lanceolata var. lanceolata Nutt. – not accepted – narrowleaf gumweed
  Grindelia nana Nutt. – not accepted – Idaho gumweed
  Grindelia nana var. integrifolia Nutt. – not accepted
  Grindelia nana var. nana Nutt. – not accepted – Idaho gumweed
  Grindelia robusta Nutt. – not accepted
  Grindelia robusta var. robusta Nutt. – not accepted – shore gumweed
  Habenaria repens Nutt. – accepted – waterspider false reinorchid, Habenaria acuática, waterspider bog orchid
  Hamamelis virginiana var. parvifolia Nutt. – not accepted
  Hedeoma arkansana Nutt. – not accepted
  Hedeoma ciliata Nutt. – not accepted
  Hedeoma glabra Nutt. – not accepted
  Hedysarum boreale Nutt. – accepted – Utah sweetvetch, northern sweetvetch, sweetvetch, boreal sweet-vetch, boreal sweetvetch
  Hedysarum boreale ssp. boreale Nutt. – accepted – Utah sweetvetch, northern sweetvetch, boreal sweetvetch, boreal sweet-vetch
  Hedysarum boreale ssp. boreale var. boreale Nutt. – not accepted – boreal sweetvetch, boreal sweet-vetch
  Hedysarum boreale var. boreale Nutt. – accepted – boreal sweetvetch, Utah sweetvetch, northern sweetvetch
  Helenium montanum Nutt. – not accepted
  Helenium nudiflorum Nutt. – not accepted
  Helenium parviflorum Nutt. – not accepted
  Helenium tenuifolium Nutt. – not accepted
  Helianthemum scoparium Nutt. – not accepted – Bisbee Peak rushrose
  Helianthus debilis Nutt. – accepted – cucumberleaf sunflower
  Helianthus debilis ssp. debilis Nutt. – accepted – cucumberleaf sunflower
  Helianthus heterophyllus Nutt. – accepted – variableleaf sunflower
  Helianthus pauciflorus Nutt. – accepted – stiff sunflower
  Helianthus pauciflorus ssp. pauciflorus Nutt. – accepted – stiff sunflower
  Helianthus petiolaris Nutt. – accepted – prairie sunflower, showy sunflower
  Helianthus petiolaris ssp. petiolaris Nutt. – accepted – prairie sunflower
  Helianthus pumilus Nutt. – accepted – little sunflower
  Helianthus silphioides Nutt. – accepted – rosinweed sunflower
  Helianthus uniflorus Nutt. – not accepted
  Heliomeris Nutt. – accepted – false goldeneye, heliomeris
  Heliomeris multiflora Nutt. – accepted – showy goldeneye, showy goldeneyes
  Heliomeris multiflora var. multiflora Nutt. – accepted – showy goldeneye, showy goldeneyes
  Heliopsis gracilis Nutt. – accepted – smooth oxeye
  Helonias paniculatus Nutt. – not accepted
  Hemianthus Nutt. – not accepted
  Hemianthus micranthemoides Nutt. – not accepted
  Heterocodon Nutt. – accepted
  Heterocodon rariflorum Nutt. – not accepted – western pearlflower, rareflower heterocodon
  Heterocodon rariflorus Nutt. – accepted – rareflower heterocodon
  Heterotheca grandiflora Nutt. – accepted – telegraphweed, telegraph weed
  Hieracium argutum Nutt. – accepted – southern hawkweed
  Hieracium argutum var. argutum Nutt. – not accepted – southern hawkweed
  Homalobus caespitosus Nutt. – not accepted
  Homalobus campestris Nutt. – not accepted
  Hordeum pusillum Nutt. – accepted – little wildbarley, little barley
  Hordeum pusillum ssp. pusillum Nutt. – not accepted – little barley
  Hordeum pusillum var. pusillum Nutt. – not accepted
  Hosackia maritima Nutt. – not accepted
  Hosackia prostrata Nutt. – not accepted
  Hosackia rubella Nutt. – not accepted
  Hosackia strigosa Nutt. – not accepted
  Houstonia tenuifolia Nutt. – not accepted
  Hudsonia montana Nutt. – accepted – mountain golden heather, mountain goldenheather
  Hudsonia tomentosa Nutt. – accepted – sand golden-heather, sand-heather, hudsonie tomenteuse, woolly beachheather
  Hudsonia tomentosa var. tomentosa Nutt. – not accepted – woolly beachheather
  Humulus americanus Nutt. – not accepted
  Hydrocharis cordifolia Nutt. – not accepted
  Hydrophyllum macrophyllum Nutt. – accepted – largeleaf waterleaf
  Hymenolobus Nutt. – not accepted
  Hymenopappus luteus Nutt. – not accepted
  Impatiens fulva Nutt. – not accepted
  Impatiens pallida Nutt. – accepted – pale snapweed, pale touch-me-not
  Inula alba Nutt. – not accepted
  Inula divaricata Nutt. – not accepted
  Iris lacustris Nutt. – accepted – dwarf lake iris
  Iris missouriensis Nutt. – accepted – wild iris, western blue flag, wildiris, Rocky Mountain iris
  Isocoma Nutt. – accepted – goldenbush, isocoma, jimmyweed
  Isocoma vernonioides Nutt. – not accepted
  Isomeris Nutt. – not accepted
  Isomeris arborea Nutt. – not accepted
  Iva microcephala Nutt. – accepted – piedmont marsh elder, piedmont marshelder
  Iva xanthifolia Nutt. – not accepted – rag sumpweed, carelessweed, burweed marshelder, false ragweed, giant marshelder, horseweed, marshelder, giant sumpweed
  Iva xanthiifolia Nutt. – not accepted – marshelder, horseweed, giant marshelder, false ragweed, burweed marshelder, rag sumpweed, carelessweed, giant sumpweed
  Juniperus repens Nutt. – not accepted
  Jussiaea leptocarpa Nutt. – not accepted
  Kentrophyta montana Nutt. – not accepted
  Koeleria nitida Nutt. – not accepted
  Koeleria nitida var. nitida Nutt. – not accepted
  Koeleria paniculata Nutt. – not accepted
  Krigia occidentalis Nutt. – accepted – western dwarfdandelion
  Lactuca oblongifolia Nutt. – not accepted
  Lagophylla Nutt. – accepted – hareleaf
  Lagophylla ramosissima Nutt. – accepted – branched lagophylla, common hareleaf
  Lagophylla ramosissima ssp. ramosissima Nutt. – not accepted – branched lagophylla, branched hareleaf
  Larix occidentalis Nutt. – accepted – hackmatack, Montana larch, mountain larch, western tamarack, western larch
  Lathyrus linearis Nutt. – not accepted
  Lathyrus ornatus Nutt. – not accepted
  Lathyrus polymorphus Nutt. – accepted – manystem pea, manystem peavine
  Lathyrus polymorphus ssp. polymorphus Nutt. – not accepted – manystem pea, manystem peavine
  Lathyrus polymorphus ssp. polymorphus var. polymorphus Nutt. – not accepted – manystem pea, manystem peavine
  Lathyrus polymorphus var. polymorphus Nutt. – accepted – manystem pea
  Lathyrus polyphyllus Nutt. – accepted – leafy pea, Oregon pea
  Lathyrus strictus Nutt. – not accepted
  Lathyrus vestitus Nutt. – accepted – Pacific pea
  Lathyrus vestitus ssp. vestitus Nutt. – not accepted – Pacific pea
  Lathyrus vestitus var. vestitus Nutt. – accepted – Pacific pea, wild pea
  Laurus albida Nutt. – not accepted
  Laurus albidus Nutt. – not accepted
  Ledum glandulosum Nutt. – not accepted – western Labrador tea, glandular Labrador tea
  Ledum glandulosum var. glandulosum Nutt. – not accepted
  Lepidium integrifolium Nutt. – accepted – thickleaf pepperwort, thickleaf pepperweed
  Lepidium integrifolium var. integrifolium Nutt. – not accepted – thickleaf pepperweed
  Lepidium lasiocarpum Nutt. – accepted – hairypod pepperweed, shaggyfruit pepperweed
  Lepidium lasiocarpum ssp. lasiocarpum Nutt. – accepted – shaggyfruit pepperweed
  Lepidium lasiocarpum var. lasiocarpum Nutt. – not accepted – hairy-pod pepperwort, shaggyfruit pepperweed, hairypod pepperweed
  Lepidium montanum Nutt. – accepted – Montana pepperweed, mountain pepperwort, mountain pepperweed
  Lepidium montanum var. montanum Nutt. – not accepted – mountain pepperweed
  Lepidium nitidum Nutt. – accepted – shining pepperweed
  Lepidium nitidum var. nitidum Nutt. – not accepted – shining pepperweed
  Leptodactylon caespitosum Nutt. – not accepted – mat prickly gilia, mat prickly phlox
  Leptoseris sonchoides Nutt. – not accepted
  Leptosiphon bicolor Nutt. – accepted – true babystars
  Leptosyne californica Nutt. – not accepted
  Leptotaenia californica Nutt. – not accepted
  Leptotaenia dissecta Nutt. – not accepted
  Leptotaenia multifida Nutt. – not accepted
  Lepturus paniculatus Nutt. – not accepted
  Lespedeza stuevei Nutt. – accepted – tall lespedeza, Stueve's lespedeza
  Leucospora Nutt. – accepted
  Liatris borealis Nutt. – not accepted
  Liatris tenuifolia Nutt. – accepted – shortleaf blazing star
  Liatris tenuifolia var. tenuifolia Nutt. – accepted – shortleaf blazing star
  Liatris virgata Nutt. – accepted – wand blazing star, dense blazing star, grassleaf gayfeather
  Lilium andinum Nutt. – not accepted
  Limnetis glabra Nutt. – not accepted
  Lindernia grandiflora Nutt. – accepted – savannah false pimpernel
  Lindernia monticola Nutt. – accepted – piedmont false pimpernel
  Lipochaeta lanceolata Nutt. – not accepted
  Lithophragma glabrum Nutt. – accepted – bulbous woodland-star, smooth woodland-star
  Lithophragma tenellum Nutt. – accepted – slender woodland-star
  Lithospermum pilosum Nutt. – not accepted
  Lobelia aphylla Nutt. – not accepted
  Lobelia paludosa Nutt. – accepted – white lobelia
  Loeflingia squarrosa Nutt. – accepted – California loeflingia, spreading pygmyleaf
  Loeflingia squarrosa ssp. squarrosa Nutt. – not accepted – spreading pygmyleaf, Texas loeflingia
  Loeflingia squarrosa var. squarrosa Nutt. – not accepted
  Lupinus caespitosus Nutt. – accepted – stemless dwarf lupine, dwarf lupine
  Lupinus caespitosus var. caespitosus Nutt. – accepted – stemless dwarf lupine
  Lupinus diffusus Nutt. – accepted – Oak Ridge lupine
  Lupinus foliosus var. stenophyllus Nutt. – not accepted
  Lupinus gracilis Nutt. – not accepted
  Lupinus holosericeus Nutt. – accepted – holo lupine, Nuttall's lupine
  Lygodesmia spinosa Nutt. – not accepted
  Lyonia Nutt. – accepted – lyonias, staggerbush
  Maclura Nutt. – accepted
  Macronema discoidea Nutt. – not accepted
  Macronema suffruticosum Nutt. – not accepted
  Macrorhynchus heterophyllus Nutt. – not accepted
  Madia capitata Nutt. – not accepted
  Mahonia Nutt. – not accepted – barberry, Oregon grape
  Malva coccinea Nutt. – not accepted
  Meconella Nutt. – accepted – fairypoppy
  Meconella oregana Nutt. – accepted – white fairypoppy
  Melica panicoides Nutt. – not accepted
  Melica poaeoides Nutt. – not accepted
  Melica scabra Nutt. – not accepted
  Miegia pumila Nutt. – not accepted
  Mimulus rivularis Nutt. – not accepted
  Mitella caulescens Nutt. – accepted – slightstemmed miterwort, creeping miterwort
  Monarda aristata Nutt. – not accepted
  Monarda pectinata Nutt. – accepted – horse mint, plains beebalm, spotted beebalm, miners lettuce, pony beebalm
  Moneses reticulata Nutt. – not accepted
  Monolopia lanceolata Nutt. – accepted – common monolopia
  Muhlenbergia purpurea Nutt. – not accepted
  Musineon trachyspermum Nutt. – not accepted
  Myosotis verna Nutt. – accepted – spring forget-me-not
  Nasturtium lyratum Nutt. – not accepted
  Nasturtium sessiliflorum Nutt. – not accepted
  Nasturtium sinuatum Nutt. – not accepted
  Navarretia minima Nutt. – not accepted
  Nemacaulis Nutt. – accepted – cottonheads
  Nemacaulis denudata Nutt. – accepted – cottonheads, woollyheads
  Nemacaulis denudata var. denudata Nutt. – accepted – cottonheads
  Nemacladus Nutt. – accepted – threadplant
  Nemacladus ramosissimus Nutt. – accepted – smallflower threadplant
  Nemastylis Nutt. – accepted – nemastylis, pleatleaf
  Nemastylis geminiflora Nutt. – accepted – prairie pleatleaf
  Nemastylus geminiflora Nutt. – not accepted
  Nemophila Nutt. – accepted – blue-eyes, baby blue eyes
  Nemophila phacelioides Nutt. – accepted – largeflower nemophila, baby blue-eyes, largeflower baby blue eyes
  Oenothera andina Nutt. – not accepted
  Oenothera caespitosa Nutt. – not accepted – tufted evening primrose, tufted evening-primrose
  Oenothera caespitosa ssp. caespitosa Nutt. – not accepted – tufted evening primrose, tufted evening-primrose
  Oenothera cespitosa Nutt. – accepted – tufted eveningprimrose, tufted evening primrose
  Oenothera cespitosa ssp. cespitosa Nutt. – accepted – tufted eveningprimrose, tufted evening primrose
  Oenothera glabella Nutt. – not accepted
  Oenothera heterantha Nutt. – not accepted
  Oenothera humifusa Nutt. – accepted – seabeach eveningprimrose, seabeach evening-primrose, seabeach evening primrose
  Oenothera linifolia Nutt. – accepted – threadleaf sundrop, threadleaf evening-primrose, threadleaf evening primrose
  Oenothera macarocarpa Nutt. – not accepted
  Oenothera macrocarpa Nutt. – accepted – Ozark sundrop, bigfruit evening-primrose, bigfruit eveningprimrose, bigfruit evening primrose
  Oenothera macrocarpa ssp. macrocarpa Nutt. – accepted – bigfruit evening primrose, bigfruit evening-primrose, bigfruit eveningprimrose
  Oenothera riparia Nutt. – accepted
  Oenothera serrulata Nutt. – accepted
  Oenothera speciosa Nutt. – accepted – Showy evening primrose, showy eveningprimrose, pinkladies
  Oenothera trichocalyx Nutt. – not accepted
  Oenothera triloba Nutt. – accepted – stemless eveningprimrose, stemless evening-primrose, stemless evening primrose
  Opuntia rutila Nutt. – not accepted
  Orobanche fasciculata Nutt. – accepted – tufted broomrape, clustered broom-rape, purple broomrape, clustered broomrape
  Orobanche ludoviciana Nutt. – accepted – Louisiana broom-rape, Louisiana broomrape
  Orobanche ludoviciana ssp. ludoviciana Nutt. – accepted – Louisiana broom-rape, sand broomrape, Louisiana broomrape
  Orobanche multiflora Nutt. – not accepted
  Orthocarpus Nutt. – accepted – owl's-clover, owlclover
  Orthocarpus luteus Nutt. – accepted – golden-tongue owl-clover, yellow owlclover, yellow owl's-clover
  Orthopogon parvifolium Nutt. – not accepted
  Oryzopsis parviflora Nutt. – not accepted
  Osmadenia Nutt. – accepted – osmadenia
  Osmadenia tenella Nutt. – accepted – false rosinweed
  Oxalis oregana Nutt. – accepted – redwood-sorrel
  Oxalis pilosa Nutt. – not accepted
  Oxalis pumila Nutt. – not accepted
  Oxydenia Nutt. – not accepted
  Oxytenia Nutt. – accepted
  Oxytenia acerosa Nutt. – accepted – copperweed
  Oxytheca Nutt. – accepted
  Oxytheca dendroidea Nutt. – accepted – narrowleaf oxytheca
  Oxytheca dendroidea ssp. dendroidea Nutt. – accepted – narrowleaf oxytheca
  Oxytheca foliosa Nutt. – not accepted
  Oxytheca glandulosa Nutt. – not accepted
  Oxytropis lagopus Nutt. – accepted – haresfoot locoweed, haresfoot crazyweed
  Oxytropis lagopus var. lagopus Nutt. – accepted – haresfoot locoweed
  Oxytropis multiceps Nutt. – accepted – Nuttall's oxytrope, flowery pointloco
  Oxytropis nana Nutt. – accepted – Wyoming locoweed
  Oxytropis nana var. nana Nutt. – not accepted – Wyoming locoweed
  Oxytropis sericea Nutt. – accepted – white locoweed, locoweed, silky crazyweed, white pointloco, silvery oxytrope, white crazyweed
  Oxytropis sericea var. sericea Nutt. – accepted – white locoweed, silvery oxytrope
  Oxytropis viscida Nutt. – not accepted
  Oxytropis viscida var. viscida Nutt. – not accepted – oxytropis visqueux variété visqueux, sticky locoweed
  Paeonia californica Nutt. – accepted – California peony
  Parietaria floridana Nutt. – accepted – pellitory, Florida pellitory
  Paronychia sessiliflora Nutt. – accepted – stemless nailwort, low nailwort, nailwort, creeping nailwort
  Paspalum racemosum Nutt. – not accepted
  Paspalum racemulosum Nutt. – not accepted
  Pedicularis pallida Nutt. – not accepted
  Pennisetum laevigatum Nutt. – not accepted
  Pennisetum pungens Nutt. – not accepted
  Penstemon albidus Nutt. – accepted – white penstemon
  Penstemon cobaea Nutt. – accepted – cobaea beardtongue, cobaea penstemon
  Penstemon cobaea var. cobaea Nutt. – accepted – cobaea beardtongue
  Penstemon gracilis Nutt. – accepted – slender penstemon, lilac penstemon, slender beardtongue
  Penstemon gracilis var. gracilis Nutt. – not accepted – lilac beardtongue, lilac penstemon
  Penstemon grandiflorus Nutt. – accepted – largeflowered penstemon, large beardtongue
  Penstemon pumilus Nutt. – accepted – Salmon River beardtongue
  Penstemon tubiflorus Nutt. – accepted – white wand beardtongue
  Penstemon tubiflorus var. tubiflorus Nutt. – not accepted – white wand beardtongue
  Pentachaeta Nutt. – accepted – pygmydaisy
  Pentachaeta aurea Nutt. – accepted – golden chaetopappa
  Peraphyllum Nutt. – accepted
  Peraphyllum ramosissimum Nutt. – accepted – squaw apple, squawapple, wild crab apple
  Petalostemon decumbens Nutt. – not accepted
  Petalostemon gracilis Nutt. – not accepted
  Petalostemon multiflorus Nutt. – not accepted
  Petalostemon villosus Nutt. – not accepted
  Phacelia glabra Nutt. – accepted – smooth scorpionweed, smooth phacelia
  Phacelia glandulosa Nutt. – accepted – glandular phacelia
  Phacelia glandulosa var. glandulosa Nutt. – accepted – glandular phacelia
  Phacelia hirsuta Nutt. – accepted – hairy phacelia, fuzzy phacelia
  Phalaris maritima Nutt. – not accepted
  Phalaris occidentalis Nutt. – not accepted
  Philadelphus hirsutus Nutt. – accepted – streambank mock orange
  Philadelphus hirsutus var. hirsutus Nutt. – not accepted – streambank mockorange
  Phlox bryoides Nutt. – not accepted
  Phlox caespitosa Nutt. – accepted – tufted phlox, Douglas phlox
  Phlox hentzii Nutt. – not accepted
  Phlox longifolia Nutt. – accepted – longleaf phlox
  Phlox longifolia ssp. longifolia Nutt. – accepted – longleaf phlox
  Phlox muscoides Nutt. – not accepted
  Phlox nana Nutt. – accepted – Santa Fe phlox
  Phoenicaulis Nutt. – accepted
  Phoenicaulis cheiranthoides Nutt. – accepted – wallflower phoenicaulis
  Phoenicaulis cheiranthoides var. cheiranthoides Nutt. – not accepted
  Phoradendron Nutt. – accepted – mistletoe
  Phoradendron californicum Nutt. – accepted – mesquite mistletoe
  Physalis angustifolia Nutt. – accepted – coastal groundcherry
  Physalis longifolia Nutt. – accepted – longleaf groundcherry, long-leaf ground-cherry, common groundcherry
  Physalis longifolia var. longifolia Nutt. – accepted – longleaf groundcherry, long-leaf ground-cherry
  Physalis mollis Nutt. – accepted – field groundcherry
  Physalis mollis var. mollis Nutt. – accepted – field groundcherry
  Physalis pumila Nutt. – accepted – dwarf groundcherry
  Physalis walteri Nutt. – accepted – Walter's groundcherry
  Pickeringia Nutt. – accepted – chaparral pea
  Pickeringia montana Nutt. – accepted – chaparral pea, Montana chaparral pea
  Pickeringia montana var. montana Nutt. – accepted – chaparral pea, Montana chaparral pea
  Picrothamnus Nutt. – accepted – bud sagebrush
  Picrothamnus desertorum Nutt. – accepted – bud sagebrush
  Piper leptostachyon Nutt. – not accepted
  Pitavia dumosa Nutt. – not accepted
  Pitcheria Nutt. – not accepted
  Pitcheria galactioides Nutt. – not accepted
  Pitcheria galactoides Nutt. – not accepted
  Pityopsis Nutt. – accepted – silkgrass, pityopsis
  Plantago heterophylla Nutt. – accepted – slender plantain
  Plantago pusilla Nutt. – accepted – woolly Indianwheat, woolly plantain, dwarf plantain
  Platanus racemosa Nutt. – accepted – California sycamore
  Pleopogon Nutt. – not accepted
  Pleopogon setosum Nutt. – not accepted
  Pleopogon setosus Nutt. – not accepted
  Poa airoides Nutt. – not accepted
  Poa capitata Nutt. – not accepted
  Poa cuspidata Nutt. – accepted – early bluegrass
  Poa interrupta Nutt. – not accepted
  Poa obtusa Nutt. – not accepted
  Poa parviflora Nutt. – not accepted
  Poa pungens Nutt. – not accepted
  Poa tenella Nutt. – not accepted
  Poa trichodes Nutt. – not accepted
  Podostemum abrotanoides Nutt. – not accepted
  Polemonium viscosum Nutt. – accepted – sticky Jacob's-ladder, sticky polemonium
  Polemonium viscosum var. viscosum Nutt. – not accepted
  Polycarpon depressum Nutt. – accepted – California manyseed
  Polygala alba Nutt. – accepted – white milkwort
  Polygala ambigua Nutt. – accepted – whorled milkwort
  Polygala balduinii Nutt. – accepted – Baldwin's milkwort
  Polygala balduinii var. balduinii Nutt. – not accepted – Baldwin's milkwort
  Polygala boykinii Nutt. – accepted – Boykin's milkwort
  Polygala boykinii var. boykinii Nutt. – accepted – Boykin's milkwort
  Polygala brevifolia Nutt. – accepted – littleleaf milkwort
  Polygala californica Nutt. – accepted – California milkwort
  Polygonum glaucum Nutt. – accepted – seaside knotweed
  Polygonum gracile Nutt. – not accepted
  Polygonum imbricatum Nutt. – not accepted
  Polyotus angustifolius Nutt. – not accepted
  Polypappus sericeus Nutt. – not accepted
  Polypteris integrifolia Nutt. – not accepted
  Pontederia lanceolata Nutt. – not accepted
  Potentilla brevifolia Nutt. – accepted – sparseleaf cinquefoil
  Potentilla effusa var. filicaulis Nutt. – not accepted
  Potentilla fastigiata Nutt. – not accepted
  Potentilla fissa Nutt. – not accepted – bigflower cinquefoil
  Potentilla paradoxa Nutt. – not accepted – bushy cinquefoil, Paradox cinquefoil
  Potentilla plattensis Nutt. – accepted – Platte River cinquefoil, Platte cinquefoil
  Potentilla rivalis Nutt. – accepted – brook cinquefoil, river cinquefoil
  Potentilla rivalis var. rivalis Nutt. – not accepted – brook cinquefoil
  Poterium annuum Nutt. – not accepted
  Prionopsis Nutt. – not accepted – prionopsis
  Psilocarphus Nutt. – accepted – woollyheads, woolyheads
  Psilocarphus brevissimus Nutt. – accepted – short woollyheads, dwarf woolyheads
  Psilocarphus brevissimus var. brevissimus Nutt. – accepted – short woollyheads
  Psilocarphus oregonus Nutt. – accepted – Oregon woollyheads
  Psilocarphus tenellus Nutt. – accepted – slender woollyheads
  Psilocarphus tenellus var. tenellus Nutt. – not accepted – slender woollyheads
  Psoralea hypogaea Nutt. – not accepted
  Psoralea onobrychis Nutt. – not accepted
  Psoralea scabra Nutt. – not accepted
  Psoralea virgata Nutt. – not accepted
  Psychotria lanceolata Nutt. – not accepted
  Pterospora Nutt. – accepted – pinedrops
  Pterospora andromedea Nutt. – accepted – giant pinedrops, woodland pinedrops, giant bird's nest
  Pycnanthemum loomisii Nutt. – accepted – Loomis' mountainmint
  Pycnanthemum nudum Nutt. – accepted – coastalplain mountainmint, coastal plain mountainmint
  Pycnanthemum pilosum Nutt. – accepted – whorled mountainmint
  Pycnanthemum setosum Nutt. – accepted – awned mountainmint
  Pyrola aphylla var. leptosepala Nutt. – not accepted
  Pyrola elata Nutt. – not accepted
  Pyrola elliptica Nutt. – accepted – waxflower shinleaf, large-leaved shineleaf, elliptic shineleaf
  Pyrrocoma radiata Nutt. – accepted – ray goldenweed, Snake River goldenweed
  Pyrrocoma radiata var. radiata Nutt. – not accepted
  Quercus dumosa Nutt. – accepted – Nuttall's scrub oak, coastal sage scrub oak
  Quercus dumosa var. dumosa Nutt. – not accepted – coastal sage scrub oak
  Quercus gambelii Nutt. – accepted – Gambel's oak
  Quercus gambelii var. gambelii Nutt. – not accepted – Gambel's oak
  Quercus michauxii Nutt. – accepted – swamp chestnut oak
  Rafinesquia Nutt. – accepted – plumeseed, California chicory, chicory
  Rafinesquia californica Nutt. – accepted – California plumeseed, California chicory
  Ranunculus limosus Nutt. – not accepted
  Ranunculus micranthus Nutt. – accepted – rock buttercup
  Ranunculus occidentalis Nutt. – accepted – western buttercup
  Ranunculus occidentalis var. occidentalis Nutt. – accepted – western buttercup
  Ranunculus sceleratus var. multifidus Nutt. – accepted – cursed buttercup, blister buttercup
  Rhamnus crocea Nutt. – accepted – hollyleaf buckthorn, redberry buckthorn
  Rhamnus crocea ssp. crocea Nutt. – accepted – redberry buckthorn
  Rhexia serrulata Nutt. – not accepted
  Rhus laurina Nutt. – not accepted
  Rhus trilobata Nutt. – not accepted – skunkbush sumac
  Rhus trilobata var. trilobata Nutt. – not accepted – skunkbush sumac, skunkbush, ill-scented sumac
  Ribes missouriense Nutt. – accepted – Missouri gooseberry
  Ribes reniforme Nutt. – not accepted
  Ribes villosum Nutt. – not accepted
  Rosa gymnocarpa Nutt. – accepted – dwarf rose
  Rosa gymnocarpa var. gymnocarpa Nutt. – accepted – wood rose, dwarf rose
  Rottboellia campestris Nutt. – not accepted
  Rottboellia ciliata Nutt. – not accepted
  Rottboellia rugosa Nutt. – not accepted
  Rubus parviflorus Nutt. – accepted – western thimbleberry, thimbleberry
  Rubus parviflorus var. parviflorus Nutt. – not accepted – thimbleberry, western thimbleberry
  Rudbeckia bicolor Nutt. – not accepted – pinewoods coneflower
  Rudbeckia columnifera Nutt. – not accepted
  Rudbeckia globosa Nutt. – not accepted
  Rudbeckia maxima Nutt. – accepted – great coneflower
  Rudbeckia nitida Nutt. – accepted – shiny coneflower
  Rudbeckia nitida var. nitida Nutt. – not accepted – shiny coneflower
  Rudbeckia occidentalis Nutt. – accepted – western coneflower
  Rudbeckia occidentalis var. occidentalis Nutt. – not accepted – western coneflower
  Rudbeckia pallida Nutt. – not accepted
  Rudbeckia serotina Nutt. – not accepted
  Ruellia humilis Nutt. – accepted – fringeleaf wild petunia, wild petunia, low ruellia
  Ruellia humilis var. humilis Nutt. – not accepted – fringeleaf wild petunia
  Rumex paucifolius Nutt. – accepted – fewleaved dock, meadow dock, alpine sheep sorrel
  Rumex paucifolius ssp. paucifolius Nutt. – not accepted – fewleaved dock, alpine sheep sorrel
  Sabatia campestris Nutt. – accepted – meadow pink, prairie rose gentian, Texas star
  Salix argophylla Nutt. – not accepted
  Salix brachycarpa Nutt. – accepted – barrenground willow, shortfruit willow
  Salix brachycarpa ssp. brachycarpa Nutt. – not accepted – barrenground willow, short-fruited willow
  Salix brachycarpa ssp. brachycarpa var. brachycarpa Nutt. – not accepted
  Salix brachycarpa var. brachycarpa Nutt. – accepted – shortfruit willow
  Salix cuneata Nutt. – not accepted
  Salix exigua Nutt. – accepted – desert willow, sandbar willow, coyote willow, narrowleaf willow
  Salix exigua var. exigua Nutt. – accepted – narrowleaf willow, coyote willow
  Salix flavescens Nutt. – not accepted
  Salix fluviatilis Nutt. – not accepted – river willow
  Salix labradorica var. pumila Nutt. – not accepted
  Salix lutea Nutt. – accepted – yellow willow
  Salix macrocarpa Nutt. – not accepted
  Salix macrostachya Nutt. – not accepted
  Salix melanopsis Nutt. – accepted – dusky willow
  Salix pentandra var. caudata Nutt. – not accepted
  Salix rotundifolia Nutt. – not accepted – least willow
  Salix sessilifolia Nutt. – accepted – northwest willow, northwest sandbar willow
  Salix speciosa Nutt. – not accepted
  Salix stagnalis Nutt. – not accepted
  Sambucus glauca Nutt. – not accepted
  Sanguisorba occidentalis Nutt. – not accepted – western burnet
  Scaevola coriacea Nutt. – accepted – dwarf naupaka
  Scorzonella Nutt. – not accepted
  Scorzonella leptosepala Nutt. – not accepted
  Scutellaria ambigua Nutt. – not accepted
  Sedum oreganum Nutt. – accepted – Oregon stonecrop
  Sedum oreganum ssp. oreganum Nutt. – not accepted – Oregon stonecrop
  Sedum oreganum var. oreganum Nutt. – accepted – Oregon stonecrop
  Selenia Nutt. – not accepted
  Selenia Nutt. – accepted
  Selenia aurea Nutt. – accepted – yellow selenia, golden selenia
  Senecio debilis Nutt. – not accepted – weak groundsel
  Senecio exaltatus Nutt. – not accepted
  Senecio hydrophilus Nutt. – accepted – water ragwort, water groundsel, alkali marsh groundsel
  Senecio integerrimus Nutt. – accepted – lambstongue ragwort, lamb-tongue ragwort, lambstongue groundsel
  Senecio integerrimus var. integerrimus Nutt. – accepted – lambstongue ragwort
  Senecio megacephalus Nutt. – accepted – rocky ragwort
  Senecio plattensis Nutt. – not accepted – prairie groundsel
  Senecio purshianus Nutt. – not accepted
  Senecio rapifolius Nutt. – accepted – openwoods ragwort
  Senecio schweinitizianus Nutt. – not accepted
  Senecio schweinitzianus Nutt. – not accepted – Schweinitz's ragwort
  Sericocarpus oregonensis Nutt. – accepted – Oregon whitetop aster
  Sericocarpus oregonensis ssp. oregonensis Nutt. – accepted – Oregon whitetop aster
  Sericocarpus oregonensis var. oregonensis Nutt. – not accepted – Oregon whitetop aster
  Sesleria dactyloides Nutt. – not accepted
  Seymeria macrophylla Nutt. – not accepted
  Shepherdia Nutt. – accepted – buffaloberries, buffaloberry
  Silene baldwinii Nutt. – not accepted
  Silene hookeri Nutt. – accepted – Hooker's silene
  Silene hookeri ssp. hookeri Nutt. – accepted – Hooker's silene
  Silene rotundifolia Nutt. – accepted – roundleaf catchfly
  Silphium asteriscus var. scabrum Nutt. – not accepted
  Silphium radula Nutt. – accepted – roughstem rosinweed, starry rosinweed
  Silphium radula var. radula Nutt. – accepted – Reverchon's rosinweed
  Silphium speciosum Nutt. – not accepted
  Simmondsia Nutt. – accepted – jojoba, goatnut
  Simmondsia californica Nutt. – not accepted
  Sisymbrium virgatum Nutt. – not accepted
  Smilacina amplexicaulis Nutt. – not accepted
  Solanum triflorum Nutt. – accepted – cutleaf nightshade, cut-leaf nightshade
  Solidago californica Nutt. – not accepted – California goldenrod
  Solidago elongata Nutt. – accepted
  Solidago glutinosa Nutt. – not accepted
  Solidago missouriensis Nutt. – accepted – Missouri goldenrod, Tolmie's goldenrod, prairie goldenrod
  Solidago missouriensis var. missouriensis Nutt. – not accepted – Missouri goldenrod
  Solidago nana Nutt. – accepted – baby goldenrod, gray goldenrod
  Solidago pitcheri Nutt. – not accepted
  Solidago puberula Nutt. – accepted – downy goldenrod
  Solidago puberula ssp. puberula Nutt. – accepted – downy goldenrod
  Solidago puberula var. puberula Nutt. – not accepted – downy goldenrod
  Solidago pulverulenta Nutt. – not accepted
  Solidago radula Nutt. – accepted – western rough goldenrod, rough goldenrod
  Solidago radula var. radula Nutt. – not accepted – western rough goldenrod
  Solidago speciosa Nutt. – accepted – showy goldenrod, noble goldenrod
  Solidago speciosa ssp. speciosa Nutt. – accepted
  Solidago speciosa var. speciosa Nutt. – accepted – showy goldenrod
  Solidago squarrosa Nutt. – accepted – stout goldenrod
  Solidago uliginosa Nutt. – accepted – bog goldenrod, fall goldenrod
  Solidago uliginosa var. uliginosa Nutt. – not accepted – bog goldenrod
  Soliva daucifolia Nutt. – not accepted
  Sophora sericea Nutt. – not accepted
  Sparganium americanum Nutt. – accepted – American burreed, American bur-reed
  Sphaeromeria Nutt. – accepted – chickensage, sphaeromeria
  Sphaeromeria argentea Nutt. – accepted – silver chickensage
  Sphaeromeria capitata Nutt. – accepted – rock tansy
  Spiraea caespitosa Nutt. – not accepted
  Stachys pilosa Nutt. – accepted – hairy hedgenettle
  Stachys pilosa var. pilosa Nutt. – accepted – hairy hedgenettle
  Stanleya Nutt. – accepted – princes'-plume, princesplume
  Stanleya viridiflora Nutt. – accepted – perennial prince's-plume, green princesplume
  Starkea pinnata Nutt. – not accepted
  Stellaria nitens Nutt. – accepted – shiny starwort, shiny chickweed
  Stenochloa Nutt. – not accepted
  Stenochloa californica Nutt. – not accepted
  Stenogonum Nutt. – accepted – buckwheat
  Stenogonum salsuginosum Nutt. – accepted – salty eriogonum, smooth two-whorl buckwheat, salty buckwheat
  Stenotus Nutt. – accepted – mock goldenweed, stenotus
  Stenotus armerioides Nutt. – accepted – thrift mock goldenweed
  Stenotus armerioides var. armerioides Nutt. – accepted – thrift mock goldenweed, goldenweed, thrifty goldenweed
  Stephanomeria Nutt. – accepted – wirelettuce, wire lettuce
  Stephanomeria elata Nutt. – accepted – Santa Barbara wirelettuce
  Stephanomeria exigua Nutt. – accepted – small wirelettuce, wire lettuce
  Stephanomeria exigua ssp. exigua Nutt. – accepted – small wirelettuce, Schott's wirelettuce, wire lettuce
  Stephanomeria paniculata Nutt. – accepted – tufted wirelettuce
  Stephanomeria runcinata Nutt. – accepted – desert wirelettuce, flowering-straw
  Streptanthus Nutt. – accepted – twistflower
  Streptanthus arcuatus Nutt. – not accepted
  Streptanthus cordatus Nutt. – accepted – heartleaf twistflower
  Streptanthus cordatus var. cordatus Nutt. – accepted – heartleaf twistflower
  Streptanthus heterophyllus Nutt. – not accepted
  Streptanthus maculatus Nutt. – accepted – clasping twistflower, clasping jewelflower
  Streptanthus maculatus ssp. maculatus Nutt. – not accepted – clasping jewelflower
  Stylocline Nutt. – accepted – neststraw, stylocline
  Stylocline gnaphalioides Nutt. – not accepted – mountain neststraw
  Stylocline gnaphaloides Nutt. – accepted – mountain neststraw
  Stylopappus elatus Nutt. – not accepted
  Stylophorum Nutt. – accepted
  Symphoricarpos mollis Nutt. – accepted – creeping snowberry
  Synadra Nutt. – not accepted
  Synandra Nutt. – accepted
  Tacca oceanica Nutt. – not accepted
  Talinum parviflorum Nutt. – not accepted – prairie flameflower, sunbright talinum, sunbright
  Tanacetum horonense Nutt. – not accepted
  Tanacetum huronense Nutt. – not accepted
  Taxus brevifolia Nutt. – accepted – Pacific yew
  Tephrosia elegans Nutt. – not accepted
  Tephrosia onobrychoides Nutt. – accepted – multibloom hoarypea, multibloom tephrosia
  Thaspium Nutt. – accepted – meadowparsnip
  Thermopsis montana Nutt. – accepted – mountain goldenbanner
  Thermopsis montana var. montana Nutt. – accepted – mountain goldenbanner, goldenpea
  Thysanocarpus laciniatus Nutt. – accepted – narrowleaf lacepod, Santa Cruz Island fringepod, mountain fringepod
  Thysanocarpus laciniatus var. laciniatus Nutt. – not accepted – mountain fringepod
  Tillaea angustifolia Nutt. – not accepted
  Tipularia Nutt. – accepted
  Tofieldia glabra Nutt. – accepted – smooth bog-asphodel, smooth tofieldia
  Townsendia grandiflora Nutt. – accepted – largeflower Townsend daisy
  Townsendia incana Nutt. – accepted – hoary Townsend daisy, hoary townsend-daisy, hoary townsendia
  Townsendia spathulata Nutt. – accepted – sword Townsend daisy
  Townsendia strigosa Nutt. – accepted – hairy Townsend daisy, hairy Townsend-daisy, hairy townsendia
  Trachyphytum gracile Nutt. – not accepted
  Tragia angustifolia Nutt. – not accepted
  Tragia betonicifolia Nutt. – accepted – betonyleaf noseburn
  Trautvetteria grandis Nutt. – not accepted
  Trifolium andinum Nutt. – accepted – Intermountain clover, Great Divide clover
  Trifolium andinum var. andinum Nutt. – accepted – Intermountain clover
  Trifolium eriocephalum Nutt. – accepted – woollyhead clover
  Trifolium eriocephalum ssp. eriocephalum Nutt. – accepted – woollyhead clover
  Trifolium gambelii Nutt. – not accepted
  Trifolium gymnocarpon Nutt. – accepted – hollyleaf clover
  Trifolium gymnocarpon ssp. gymnocarpon Nutt. – accepted – hollyleaf clover
  Trifolium longipes Nutt. – accepted – longstalk clover, long-stalk clover
  Trifolium longipes ssp. longipes Nutt. – accepted – longstalk clover
  Trifolium pauciflorum Nutt. – not accepted
  Trifolium stenophyllum Nutt. – not accepted
  Trifolium variegatum Nutt. – accepted – whitetip clover, white-tip clover
  Triglochin elata Nutt. – not accepted
  Triglochin elatum Nutt. – not accepted
  Trillium viridescens Nutt. – accepted – tapertip wakerobin
  Triphora Nutt. – accepted – noddingcaps
  Tripolium frondosum Nutt. – not accepted
  Tripolium occidentale Nutt. – not accepted
  Tripolium oregonum Nutt. – not accepted
  Troximon grandiflorum Nutt. – not accepted
  Troximon parviflorum Nutt. – not accepted
  Tuckermannia maritima Nutt. – not accepted
  Ulmus crassifolia Nutt. – accepted – cedar elm
  Uniola multiflora Nutt. – not accepted
  Uralepis Nutt. – not accepted
  Uralepis aristulata Nutt. – not accepted
  Uropappus Nutt. – accepted – silverpuffs, Uropappus
  Uropappus linearifolius Nutt. – not accepted
  Urtica holosericea Nutt. – not accepted
  Verbena bipinnatifida Nutt. – not accepted
  Vernonia altissima Nutt. – not accepted
  Vernonia scaberrima Nutt. – not accepted
  Vesicaria alpina Nutt. – not accepted
  Vicia exigua Nutt. – not accepted
  Vicia oregana Nutt. – not accepted
  Viola glabella Nutt. – accepted – pioneer violet
  Viola linguifolia Nutt. – not accepted
  Viola pubescens var. eriocarpa Nutt. – not accepted
  Viola pubescens var. eriocarpon Nutt. – not accepted
  Warea Nutt. – accepted – pinelandcress
  Windsoria Nutt. – not accepted
  Windsoria poiformis Nutt. – not accepted
  Windsoria stricta Nutt. – not accepted
  Wisteria Nutt. – accepted – wisteria
  Wyethia Nutt. – accepted – mule-ears, wyethia
  Wyethia helianthoides Nutt. – accepted – sunflower mule-ears, whitehead wyethia
  Xylococcus Nutt. – accepted – mission manzanita
  Xylococcus bicolor Nutt. – accepted – mission manzanita
  Xylorhiza Nutt. – accepted – woodyaster, xylorhiza
  Xylorhiza glabriuscula Nutt. – accepted – smooth woodyaster, woody aster, common woody aster
  Xylorhiza glabriuscula var. glabriuscula Nutt. – not accepted – smooth woodyaster
  Xylorhiza villosa Nutt. – not accepted
  Yucca glauca Nutt. – accepted – beargrass, Great Plains yucca, Spanish bayonet, yucca, small soapweed, soapweed yucca
  Yucca glauca var. glauca Nutt. – not accepted – soapweed yucca, narrowleaf yucca
  Zanthoxylum macrophyllum Nutt. – not accepted
  Zigadenus glaucus Nutt. – not accepted
  Zinnia grandiflora Nutt. – accepted – Rocky Mountain zinnia, plains zinnia, Texas zinnia
   

A gray bar