TARGET SPECIES
Last Update: 07/27/2010
Download the list as a Microsof Excel File here.
| Species name | Common Name | Family | USDA Code | Assigned |
| Acalypha deamii | Deam's Three-Seed-Mercury | Euphorbiaceae | ACDE4 | |
| Acalypha gracilens | Slender Three-Seeded Mercury | Euphorbiaceae | ACGR2 | |
| Acer saccharinum | silver maple | Aceraceae | ACSA2 | Bluegrass Woodland Restoration Center |
| Actaea pachypoda | White Baneberry | Ranunculaceae | ACPA | Richard Gitar |
| Actaea racemosa | Black Bugbane | Ranunculaceae | ACRA7 | Sarah Harrelson |
| Adlumia fungosa | Allegheny-Vine | Fumariaceae | ADFU | |
| Aesculus glabra | Ohio buckeye | Hippocastanaceae | AEGL | Bluegrass Woodland Restoration Center |
| Agalinis fasciculata | False Foxglove | Scrophulariaceae | AGFA2 | |
| Agalinis gattingeri | Round-Stemmed False Foxglove | Scrophulariaceae | AGGA | |
| Agastache scrophulariifolia | Purple Giant-Hyssop | Lamiaceae | AGSC | Jeff Hansen |
| Agrimonia microcarpa | Small-Fruit Grooveburr | Rosaceae | AGMI2 | |
| Agrimonia pubescens | Soft Agrimony | Rosaceae | AGPU | Jeff Hansen |
| Agrimonia rostellata | Woodland Agrimony | Rosaceae | AGRO3 | Bluegrass Woodland Restoration Center |
| Agrostis elliottiana | Awned Bent Grass | Poaceae | AGEL4 | |
| Agrostis hyemalis | Hair Grass | Poaceae | AGHY | Richard Gitar |
| Aletris farinosa | Colic Root | Liliaceae | ALFA2 | |
| Allium burdickii | Narrow-Leaf Wild Leek | Liliaceae | ALBU2 | Bluegrass Woodland Restoration Center |
| Allium tricoccum | Ramp | Liliaceae | ALTR3 | Josh Sulman |
| Alopecurus carolinianus | Annual Foxtail | Poaceae | ALCA4 | |
| Amaranthus arenicola | Sandhill Amaranth | Amaranthaceae | AMAR | |
| Amaranthus retroflexus | redroot amaranth | Amaranthaceae | AMRE | Bluegrass Woodland Restoration Center |
| Ambrosia bidentata | Lanceleaf Ragweed | Asteraceae | AMBI2 | Fumiko Shirakura |
| Ambrosia grayi | woollyleaf burr ragweed | Asteraceae | AMGR5 | |
| Ambrosia helenae | Burr-Ragweed | Asteraceae | AMHE3 | |
| Amelanchier humilis | Low Service-Berry | Rosaceae | AMHU2 | |
| Amelanchier stolonifera | Running Service-Berry | Rosaceae | AMST80 | |
| Ammannia latifolia | pink redstem | Lythraceae | AMLA3 | |
| Ampelopsis cordata | Heart-Leaf Peppervine | Vitaceae | AMCO2 | Bluegrass Woodland Restoration Center |
| Amsinckia lycopsoides | Bugloss Fiddleneck | Boraginaceae | AMLY | |
| Amsonia tabernaemontana | Eastern Bluestar | Apocynaceae | AMTA2 | |
| Andropogon gyrans | Elliot's Bluestem | Poaceae | ANGYG | |
| Androsace occidentalis | Androsace | Primulaceae | ANOC2 | |
| Anemone caroliniana | Carolina Anemone | Ranunculaceae | ANCA9 | Jeff Hansen |
| Anemone quinquefolia | Wood Anemone | Ranunculaceae | ANQU | Richard Gitar |
| Angelica ampla | giant angelica | Apiaceae | ANAM | Denise Wilson |
| Angelica venenosa | Wood Angelica | Apiaceae | ANVE | |
| Antennaria howellii | Smal Pussytoes | Asteraceae | ANHON | |
| Antennaria neglecta | Cat's Foot | Asteraceae | ANNE | Jeff Hansen |
| Antennaria parlinii | Parlin's Pussytoes | Asteraceae | ANPA9 | Jeff Hansen |
| Antennaria pulcherrima | showy pussytoes | Aceraceae | ANPU | |
| Antennaria solitaria | Single-Head Pussytoes | Asteraceae | ANSO | |
| Apocynum floribundum | Indian-Hemp | Apocynaceae | APFL | |
| Arabis canadensis | Sicklepod | Brassicaceae | ARCA | |
| Arabis drummondii | Canadian Rockcress | Brassicaceae | ARDR | |
| Arabis laevigata | Smooth Rockcress | Brassicaceae | ARLA | Bluegrass Woodland Restoration Center |
| Arabis lyrata | Lyre-Leaved Rock Cress | Brassicaceae | ARLY2 | Josh Sulman |
| Arabis shortii | Short's Rockcress | Brassicaceae | ARSH2 | |
| Aralia racemosa | American Spikenard | Araliaceae | ARRA | |
| Arceuthobium vaginatum | pineland dwarf mistletoe | Viscaceae | ARVA | Denise Wilson and Stan Smookler |
| Arisaema dracontium | Greendragon | Araceae | ARDR3 | Sarah Johnson |
| Arisaema triphyllum | Jack-in-the-Pulpit | Araceae | ARTR | Jeff Hansen |
| Aristida basiramea | Forked-Tip Three-Awn Grass | Poaceae | ARBA2 | |
| Aristida desmantha | Three Awn | Poaceae | ARDE3 | |
| Aristida dichotoma | Church-Mouse Three-Awn | Poaceae | ARDI4 | |
| Aristida purpurascens | Arrowfeather | Poaceae | ARPU8 | |
| Aristida ramosissima | Slender Three Awn | Poaceae | ARRA2 | |
| Aristida tuberculosa | Beach Three Awn Grass | Poaceae | ARTU | |
| Arnoglossum plantagineum | Groove-Stem Indian-Plantain | Asteraceae | ARPL4 | Steve Winter |
| Arnoglossum reniforme | Great Indian-Plantain | Asteraceae | ARRE6 | Hilary and Dee Ann |
| Artemisia carruthii | Carruth's sagewort | Asteraceae | ARCA14 | |
| Artemisia serrata | Saw-Toothed Sagebrush | Asteraceae | ARSE4 | |
| Arundinaria gigantea | Giant Cane | Poaceae | ARGIG | |
| Asarum canadense | Canadian Wild Ginger | Aristolochiaceae | ASCA | Hilary and Dee Ann |
| Asclepias amplexicaulis | Sand Milkweed | Asclepiadaceae | ASAM | |
| Asclepias exaltata | Poke Milkweed | Asclepiadaceae | ASEX | |
| Asclepias lanuginosa | Woolly Milkweed | Asclepiadaceae | ASLA3 | |
| Asclepias latifolia | broadleaf milkweed | Asclepiadaceae | ASLA4 | |
| Asclepias perennis | Aquatic Milkweed | Asclepiadaceae | ASPE | |
| Asclepias pumila | plains milkweed | Asclepiadaceae | ASPU | |
| Asclepias purpurascens | Purple Milkweed | Asclepiadaceae | ASPU2 | Jeff Hansen |
| Asclepias quadrifolia | Four-Leaf Milkweed | Asclepiadaceae | ASQU | Bluegrass Woodland Restoration Center |
| Asclepias stenophylla | slimleaf milkweed | Asclepiadaceae | ASST | |
| Asclepias variegata | Variegated Milkweed | Asclepiadaceae | ASVA | |
| Astragalus distortus | Bent Milk Vetch | Fabaceae | ASDI4 | |
| Astragalus eucosmus | elegant milkvetch | Fabaceae | ASEU2 | Denise Wilson and Stan Smookler |
| Astragalus gracilis | slender milkvetch | Fabaceae | ASGR3 | |
| Astragalus laxmannii | Laxmann's milkvetch | Fabaceae | ASLA27 | Denise Wilson |
| Astragalus lotiflorus | lotus milkvetch | Fabaceae | ASL04 | |
| Astragalus missouriensis | Missouri milkvetch | Fabaceae | ASMI10 | |
| Astragalus plattensis | Platte River milkvetch | Fabaceae | ASPL2 | |
| Atriplex argentea | Silverscale | Chenopodiaceae | ATAR2 | |
| Aureolaria flava | Smooth False Foxglove | Scrophulariaceae | AUFL | |
| Aureolaria grandiflora | Large-Flower Yellow False Foxglove | Scrophulariaceae | AUGRP | Justin Walker |
| Aureolaria pedicularia | Clammy False Foxglove | Scrophulariaceae | AUPE2 | |
| Baptisia serenae | Wild Indigo | Fabaceae | BASE3 | |
| Bergia texana | Texas Bergia | Elatinaceae | BETE | |
| Besseya plantaginea | White River coraldrops | Scrophulariaceae | BEPL | Denise Wilson |
| Bidens connata | Purple-Stem Beggarticks | Asteraceae | BICO5 | Jeff Hansen |
| Bidens discoidea | Small Beggarticks | Asteraceae | BIDI | Richard Gitar |
| Bidens tenuisecta | slimlobe beggarticks | Asteraceae | BITE | Densie Wilson/Stan Smookler |
| Bignonia capreolata | Crossvine | Bignoniaceae | BICA | |
| Blephilia ciliata | Pagoda Plant | Lamiaceae | BLCI | Bluegrass Woodland Restoration Center |
| Boltonia asteroides | False Aster | Asteraceae | BOAS | Jeff Hansen |
| Boltonia diffusa | False Aster | Asteraceae | BODI | |
| Brasenia schreberi | Watershield | Cabombaceae | BRSC | |
| Bromus nottowayanus | Nottoway Valley Brome | Poaceae | BRNO | |
| Brunnichia ovata | American Buckwheatvine | Polygonaceae | BROV4 | |
| Bulbostylis capillaris | Hair Sedge | Cyperaceae | BUCA2 | |
| Callirhoe digitata | Fringed Poppy Mallow | Malvaceae | CADI2 | |
| Callirhoe triangulata | Clustered Poppy Mallow | Malvaceae | CATR | |
| Callitriche hermaphroditica | Autumn Water-Starwort | Callitrichaceae | CAHE2 | |
| Callitriche heterophylla | Green Water Starwort | Callitrichaceae | CAHEH | |
| Callitriche terrestris | Terrestrial Water-Starwort | Callitrichaceae | CATE19 | |
| Calycocarpum lyonii | Cupseed | Menispermaceae | CALY2 | |
| Calylophus serrulatus | Yellow Sundrops | Onagraceae | CASE12 | Betsy Allen |
| Calystegia silvatica | Short-Stalk False Bindweed | Convolvulaceae | CASIF | Bluegrass Woodland Restoration Center |
| Calystegia spithamaea | Dwarf Bindweed | Convolvulaceae | CASP14 | |
| Campanula aparinoides | Marsh Bellflower | Campanulaceae | CAAP2 | |
| Cardamine bulbosa | Bulbous Bittercress | Brassicaceae | CABU3 | |
| Cardamine diphylla | Crinkleroot | Brassicaceae | CADI10 | |
| Cardamine douglassii | Limestone Bittercress | Brassicaceae | CADO | |
| Cardamine parviflora | Sand Bittercress | Brassicaceae | CAPAA2 | |
| Cardamine pensylvanica | Quaker Bittercress | Brassicaceae | CAPE3 | |
| Carex aggregata | Glomerate Sedge | Cyperaceae | CAAG2 | Jeff Hansen |
| Carex albicans | White-Tinge Sedge | Cyperaceae | CAAL25 | |
| Carex albolutescens | Green-White Sedge | Cyperaceae | CAAL5 | |
| Carex albursina | White Bear Sedge | Cyperaceae | CAAL11 | Bluegrass Woodland Restoration Center |
| Carex amphibola | Eastern Narrow-Leaf Sedge | Cyperaceae | CAAM8 | Jeff Hansen |
| Carex atherodes | Wheat Sedge | Cyperaceae | CAAT2 | |
| Carex atlantica | Prickly Bog Sedge | Cyperaceae | CAAT4 | |
| Carex baileyi | Bailey's Sedge | Cyperaceae | CABA7 | |
| Carex bebbii | Beautiful Sedge | Cyperaceae | CABE2 | Margo Milde |
| Carex bicknellii | Bicknell Sedge | Cyperaceae | CABI3 | Jeff Hansen |
| Carex blanda | Eastern Woodland Sedge | Cyperaceae | CABL | Jeff Hansen |
| Carex bromoides | Brome Hummock Sedge | Cyperaceae | CABR14 | |
| Carex canescens | silvery sedge | Cyperaceae | CACA11 | |
| Carex careyana | Carey's Sedge | Cyperaceae | CACA14 | |
| Carex caroliniana | Carolina Sedge | Cyperaceae | CACA15 | |
| Carex cephaloidea | Thin-Leaf Sedge | Cyperaceae | CACE2 | |
| Carex cephalophora | Oval-Leaf Sedge | Cyperaceae | CACE | |
| Carex conjuncta | Soft Fox Sedge | Cyperaceae | CACO13 | Bluegrass Woodland Restoration Center |
| Carex conoidea | Open-Field Sedge | Cyperaceae | CACO14 | |
| Carex corrugata | Prune-Fruit Sedge | Cyperaceae | CACO22 | |
| Carex crinita | Fringed Sedge | Cyperaceae | CACR6 | Ginger and Jessica Underwood |
| Carex cumulata | Clustered Sedge | Cyperaceae | CACU3 | |
| Carex deamii | Sedge | Cyperaceae | CADE13 | |
| Carex debilis | White-Edge Sedge | Cyperaceae | CADER | |
| Carex deweyana | Round-Fruit Shor-Scaled Sedge | Cyperaceae | CADE9 | |
| Carex digitalis | Slender Woodland Sedge | Cyperaceae | CADI5 | |
| Carex disperma | softleaf sedge | Cyperaceae | CADI6 | Denise Wilson |
| Carex duriuscula | Spike-Rush Sedge | Cyperaceae | CADU6 | |
| Carex eburnea | Bristle-Leaf Sedge | Cyperaceae | CAEB2 | Bluegrass Woodland Restoration Center |
| Carex flaccosperma | Thin-Fruit Sedge | Cyperaceae | CAFL3 | |
| Carex folliculata | Northern Long Sedge | Cyperaceae | CAFO6 | |
| Carex formosa | handsome sedge | Cyperaceae | CAFO4 | |
| Carex glaucodea | Blue Sedge | Cyperaceae | CAGL6 | |
| Carex gracilescens | Slender Loose-Flower Sedge | Cyperaceae | CAGR8 | |
| Carex granularis | Meadow Sedge | Cyperaceae | CAGR3 | Bluegrass Woodland Restoration Center |
| Carex gravida | Heavy Sedge | Cyperaceae | CAGR4 | Jeff Hansen |
| Carex grisea | Inflated Narrow-Leaf Sedge | Cyperaceae | CAGR24 | Bluegrass Woodland Restoration Center |
| Carex haydenii | Cloud Sedge | Cyperaceae | CAHA7 | |
| Carex hirtifolia | Pubescent Sedge | Cyperaceae | CAHI5 | |
| Carex hitchcockiana | Hitchcock's Sedge | Cyperaceae | CAHI8 | |
| Carex hyalinolepis | Shoreline Sedge | Cyperaceae | CAHY3 | |
| Carex inops | Long-Stolon Sedge | Cyperaceae | CAINH2 | Jeff Hansen |
| Carex jamesii | James' Sedge | Cyperaceae | CAJA2 | Jeff Hansen |
| Carex lacustris | River Sedge | Cyperaceae | CALA16 | |
| Carex laeviconica | Smooth-Cone Sedge | Cyperaceae | CALA12 | Jeff Hansen |
| Carex laevivaginata | Smooth-Sheath Sedge | Cyperaceae | CALA14 | |
| Carex lapponica | Lapland Sedge | Cyperaceae | CALA15 | |
| Carex laxiculmis | Spreading Sedge | Cyperaceae | CALA18 | |
| Carex laxiflora | Broad Loose-Flower Sedge | Cyperaceae | CALAL5 | Bluegrass Woodland Restoration Center |
| Carex leavenworthii | Leavenworth's Sedge | Cyperaceae | CALE6 | |
| Carex leptalea | Bristly-Stalk Sedge | Cyperaceae | CALE10 | |
| Carex longii | Long's Sedge | Cyperaceae | CALO5 | |
| Carex lupuliformis | False Hop Sedge | Cyperaceae | CALU3 | Bluegrass Woodland Restoration Center |
| Carex molesta | Troublesome Sedge | Cyperaceae | CAMO11 | Jeff Hansen |
| Carex muehlenbergii | Muhlenberg's Sedge | Cyperaceae | CAMU4 | |
| Carex oligocarpa | Richwoods Sedge | Cyperaceae | CAOL2 | Bluegrass Woodland Restoration Center |
| Carex pedunculata | Long-Stalk Sedge | Cyperaceae | CAPE4 | |
| Carex plantaginea | Plantain-Leaf Sedge | Cyperaceae | CAPL4 | |
| Carex platyphylla | Broad-Leaf Sedge | Cyperaceae | CAPL5 | |
| Carex prairea | Prairie Sedge | Cyperaceae | CAPR6 | |
| Carex praticola | Northern Meadow Sedge | Cyperaceae | CAPR7 | |
| Carex projecta | Necklace Sedge | Cyperaceae | CAPR9 | |
| Carex retroflexa | Reflexed Sedge | Cyperaceae | CARE9 | |
| Carex richardsonii | Richardson Sedge | Cyperaceae | CARI | |
| Carex scoparia | Pointed Broom Sedge | Cyperaceae | CASC11 | Richard Gitar |
| Carex socialis | Low Woodland Sedge | Cyperaceae | CASO | |
| Carex sparganioides | Burr-Reed Sedge | Cyperaceae | CASP3 | Jeff Hansen |
| Carex sprengelii | Long-Beak Sedge | Cyperaceae | CASP7 | Josh Sulman |
| Carex sterilis | Dioecious Sedge | Cyperaceae | CAST16 | |
| Carex straminea | Eastern Straw Sedge | Cyperaceae | CAST6 | |
| Carex styloflexa | Bent Sedge | Cyperaceae | CAST9 | |
| Carex suberecta | Prairie Straw Sedge | Cyperaceae | CASU5 | |
| Carex subimpressa | Sedge | Cyperaceae | CASU14 | |
| Carex tetanica | Rigid Sedge | Cyperaceae | CATE6 | |
| Carex texensis | Texas Sedge | Cyperaceae | CATE7 | Bluegrass Woodland Restoration Center |
| Carex tonsa | Shaved Sedge | Cyperaceae | CATOT | |
| Carex trichocarpa | Hairy-Fruit Sedge | Cyperaceae | CATR8 | |
| Carex umbellata | Parasol Sedge | Cyperaceae | CAUM4 | Jeff Hansen |
| Carex virescens | Ribbed Sedge | Cyperaceae | CAVI4 | |
| Castilleja coccinea | Indian Paintbrush | Scrophulariaceae | CACO17 | |
| Caulophyllum thalictroides | Blue Cohosh | Berberidaceae | CATH2 | Sarah Harrelson |
| Cerastium nutans | Nodding Mouse-Ear Chickweed | Caryophyllaceae | CENU2 | Bluegrass Woodland Restoration Center |
| Ceratophyllum demersum | Coon's-Tail | Ceratophyllaceae | CEDE4 | Richard Gitar |
| Ceratophyllum echinatum | Spineless Hornwort | Ceratophyllaceae | CEEC2 | |
| Chaerophyllum procumbens | Spreading Chervil | Apiaceae | CHPRP | |
| Chamaelirium luteum | Fairywand | Liliaceae | CHLU | |
| Chamaesaracha coniodes | gray five eyes | Solanaceae | CHCO | |
| Chamaesyce geyeri | Geyer's Sandmat | Euphorbiaceae | CHGEG | Jeff Hansen |
| Chamaesyce glyptosperma | Rib-Seed Sandmat | Euphorbiaceae | CHGL13 | Jeff Hansen |
| Chamaesyce humistrata | Spreading Sandmat | Euphorbiaceae | CHHU3 | Jeff Hansen |
| Chamaesyce maculata | Spotted Sandmat | Euphorbiaceae | CHMA15 | |
| Chamaesyce polygonifolia | Seaside Spurge | Euphorbiaceae | CHPO6 | |
| Chamaesyce prostrata | Prostrate Sandmat | Euphorbiaceae | CHPR6 | Jeff Hansen |
| Chamaesyce serpens | Matted Sandmat | Euphorbiaceae | CHSE4 | Jeff Hansen |
| Chamaesyce stictospora | slimseed sandmat | Euphorbiaceae | CHST8 | |
| Chamaesyce vermiculata | Worm-Seed Sandmat | Euphorbiaceae | CHVE5 | |
| Chelone glabra | White Turtlehead | Scrophulariaceae | CHGL2 | Richard Gitar |
| Chelone obliqua | Red Turtlehead | Scrophulariaceae | CHOBS | |
| Chenopodium foggii | Fogg's Goosefoot | Chenopodiaceae | CHFO3 | |
| Chenopodium pallescens | Slim-Leaf Goosefoot | Chenopodiaceae | CHPA5 | |
| Chenopodium pratericola | Desert Goosefoot | Chenopodiaceae | CHPR5 | Stanley Smookler/Denise Wilson |
| Chrysopsis pilosa | soft goldenaster | Asteraceae | CHPI8 | Fumiko Shirakura |
| Chrysosplenium americanum | American Golden-Saxifrage | Saxifragaceae | CHAM2 | |
| Cicuta bulbifera | Bulblet-Bearing Water-Hemlock | Apiaceae | CIBU | |
| Cicuta maculata | Water Hemlock | Apiaceae | CIMA2 | Betsy Allen |
| Cinna latifolia | Slender Wood-Reed | Poaceae | CILA2 | Josh Sulman |
| Cirsium carolinianum | Soft Thistle | Asteraceae | CICA7 | |
| Cirsium centaureae | fringed thistle | Asteraceae | CICE | Denise Wilson |
| Cirsium muticum | Swamp Thistle | Asteraceae | CIMU | |
| Cirsium pumilum | Hill's Thistle | Asteraceae | CIPU4 | |
| Claytonia rosea | western springbeauty | Portulacaceae | CLRO5 | Denise Wilson |
| Clinopodium arkansanum | Limestone Wild Basil | Lamiaceae | CLAR5 | |
| Clintonia borealis | Yellow Bluebead-Lily | Liliaceae | CLBO3 | Richard Gitar |
| Clitoria mariana | Butterfly Pea | Fabaceae | CLMA4 | |
| Collinsia verna | Spring Blue-Eyed Mary | Scrophulariaceae | COVE2 | Sarah Harrelson |
| Commelina diffusa | Climbing Dayflower | Commelinaceae | CODID3 | |
| Commelina erecta | Day Flower | Commelinaceae | COER | |
| Conopholis americana | American Squawroot | Orobanchaceae | COAM | Bluegrass Woodland Restoration Center |
| Conyza ramosissima | Dwarf Fleabane | Asteraceae | CORA4 | |
| Corallorhiza trifida | yellow coralroot | Orchidaceae | COTR18 | |
| Coreopsis grandiflora | Large0Flower Tickseed | Asteraceae | COGR5 | Fumiko Shirakura |
| Coreopsis palmata | Prairie Coreopsis | Asteraceae | COPA10 | Ginger and Jessica Underwood |
| Coreopsis pubescens | Star Tickseed | Asteraceae | COPU2 | |
| Corispermum americanum | American Bugseed | Chenopodiaceae | COAMA2 | |
| Cornus amomum | Silky Dogwood | Cornaceae | COAM2 | Jeff Hansen |
| Corydalis flavula | Yellow Fumewort | Fumariaceae | COFL3 | Bluegrass Woodland Restoration Center |
| Corydalis micrantha | Hale's Corydalis | Fumariaceae | COMI2 | |
| Crepis runcinata | fiddleleaf hawksbeard | Asteraceae | CRRUR | Denise Wilson |
| Croton capitatus | Capitate Croton | Euphorbiaceae | CRCA6 | Hilary and Dee Ann |
| Croton glandulosus | Sand Croton | Euphorbiaceae | CRGLS | |
| Croton michauxii | Narrow-Leaf Rushfoil | Euphorbiaceae | CRMI8 | |
| Croton texensis | Texas Croton | Euphorbiaceae | CRTET | |
| Croton willdenowii | Egg-Leaf Rushfoil | Euphorbiaceae | CRWI5 | |
| Cryptantha minima | little cryptantha | Boraginaceae | CRMI5 | |
| Cryptantha virgata | miner's candle | Boraginaceae | CRVI4 | Denise Wilson |
| Cunila origanoides | Common Dittany | Lamiaceae | CUOR | |
| Cuphea viscosissima | Blue Waxweed | Lythraceae | CUVI | Jeff Hansen |
| Cuscuta cephalanthi | Buttonbush Dodder | Cuscutaceae | CUCE | |
| Cuscuta compacta | Compact Doddor | Cuscutaceae | CUCO2 | |
| Cuscuta coryli | Hazel Dodder | Cuscutaceae | CUCO3 | |
| Cuscuta cuspidata | Cusp Doddor | Cuscutaceae | CUCU2 | |
| Cuscuta gronovii | Scaldweed | Cuscutaceae | CUGR | Bluegrass Woodland Restoration Center |
| Cuscuta indecora | Large-Seed Doddor | Cuscutaceae | CUIN | |
| Cuscuta pentagona | Bush-Clover Doddor | Cuscutaceae | CUPE3 | Bluegrass Woodland Restoration Center |
| Cuscuta polygonorum | Smartweed Doddor | Cuscutaceae | CUPO | |
| Cycloloma atriplicifolium | Winged-Pigweed | Chenopodiaceae | CYAT | |
| Cynanchum laeve | Honeyvine | Asclepiadaceae | CYLA | Bluegrass Woodland Restoration Center |
| Cyperus diandrus | Umbrella Flat Sedge | Cyperaceae | CYDI3 | |
| Cyperus erythrorhizos | Red-Root Flat Sedge | Cyperaceae | CYER2 | Jeff Hansen |
| Cyperus filicinus | Fern Flat Sedge | Cyperaceae | CYFI | |
| Cyperus flavescens | Yellow Flat Sedge | Cyperaceae | CYFL | Bluegrass Woodland Restoration Center |
| Cyperus houghtonii | Houghton's Flat Sedge | Cyperaceae | CYHO | |
| Cyperus lupulinus | Fern Flat Sedge | Cyperaceae | CYLU2 | |
| Cyperus pseudovegetus | Marsh Flat Sedge | Cyperaceae | CYPS | |
| Cyperus squarrosus | Awned Flat Sedge | Cyperaceae | CYSQ | |
| Cypripedium parviflorum | greater yellow lady's slipper | Orchidaceae | CYPAP3 | |
| Dalea enneandra | Nine-Anther Prairie-Clover | Fabaceae | DAEN | |
| Decodon verticillatus | Swamp-Loosestrife | Lythraceae | DEVE | |
| Delphinium alpestre | Colorado larkspur | Ranunculaceae | DEAL | |
| Delphinium carolinianum | Wild Blue Larkspur | Ranunculaceae | DECAC3 | Jeff Hansen |
| Delphinium tricorne | Dwarf Larkspur | Ranunculaceae | DETR | Jeff Hansen |
| Desmodium ciliare | Hairy Tick Trefoil | Fabaceae | DECI | |
| Desmodium cuspidatum | Large-Bract Tick-Trefoil | Fabaceae | DECU | Jeff Hansen |
| Desmodium glabellum | Tick Trefoil | Fabaceae | DEGL4 | |
| Desmodium glutinosum | Pointed-Leaf Tick-Trefoil | Fabaceae | DEGL5 | Jeff Hansen |
| Desmodium laevigatum | Smooth Tick-Trefoil | Fabaceae | DELA2 | |
| Desmodium marilandicum | Small-Leaved Tick Trefoil | Fabaceae | DEMA2 | |
| Desmodium nudiflorum | Naked-Flower Tick-Trefoil | Fabaceae | DENU4 | Hilary and Dee Ann |
| Desmodium nuttallii | Nuttall's Tick Trefoil | Fabaceae | DENU5 | |
| Desmodium obtusum | Stiff Tick Trefoil | Fabaceae | DEOB5 | |
| Desmodium paniculatum | Panicled Tick Trefoil | Fabaceae | DEPA6 | |
| Desmodium pauciflorum | Few-Flower Tick-Trefoil | Fabaceae | DEPA7 | |
| Desmodium perplexum | Perplexed Tick-Trefoil | Fabaceae | DEPE80 | Bluegrass Woodland Restoration Center |
| Desmodium rotundifolium | Round-Leaved Tick Trefoil | Fabaceae | DERO3 | |
| Desmodium sessilifolium | Sessile-Leaved Ticktrefoil | Fabaceae | DESE | Jeff Hansen |
| Diarrhena americana | American Beakgrain | Poaceae | DIAM | Bluegrass Woodland Restoration Center |
| Dicentra canadensis | Squirrel-Corn | Fumariaceae | DICA | Bluegrass Woodland Restoration Center |
| Dicentra cucullaria | Dutchman's-Breeches | Fumariaceae | DICU | |
| Dicentra eximia | Fringed Bleedinghearts | Fumariaceae | DIEX | |
| Dichanthelium boscii | Bosc's Rosette Grass | Poaceae | DIBO2 | Bluegrass Woodland Restoration Center |
| Dichanthelium clandestinum | Broad-Leaved Panic Grass | Poaceae | DICL | Jeff Hansen |
| Dichanthelium latifolium | Broad-Leaf Rosette Grass | Poaceae | DILA8 | Josh Sulman |
| Dichanthelium laxiflorum | Open-Flower Rosette Grass | Poaceae | DILA9 | |
| Dichanthelium leibergii | Leiberg's Rosette Grass | Poaceae | DILE2 | |
| Dichanthelium linearifolium | Slim-Leaf Rosette Grass | Poaceae | DILI2 | Jeff Hansen |
| Dichanthelium longiligulatum | Coastal-Plain Rosette Grass | Poaceae | DILO4 | |
| Dichanthelium malacophyllum | Soft-Leaf Rosette Grass | Poaceae | DIMA5 | |
| Dichanthelium meridionale | Matting Rosette Grass | Poaceae | DIME2 | |
| Dichanthelium ovale | Egg-Leaf Rosette Grass | Poaceae | DIOVA | |
| Dichanthelium sabulorum | Hemlock Rosette Grass | Poaceae | DISA5 | |
| Dichanthelium scoparium | Broom Rosette Grass | Poaceae | DISC3 | |
| Dichanthelium villosissimum | Hairy Panic Grass | Poaceae | DIVI7 | |
| Dichanthelium wilcoxianum | Fall Rosette Grass | Poaceae | DIWI5 | |
| Dichondra carolinensis | Carolina Pony's-Foot | Convolvulaceae | DICA3 | |
| Dicliptera brachiata | Branched Foldwing | Acanthaceae | DIBR2 | |
| Didiplis diandra | Water-Purslane | Lythraceae | DIDI | |
| Diervilla lonicera | Northern Bush-Honeysuckle | Caprifoliaceae | DILO | Richard Gitar |
| Digitaria filiformis | Finger Grass | Poaceae | DIFI | |
| Digitaria insularis | Sour Grass | Poaceae | DIIN2 | |
| Digitaria villosa | Hairy Fingergrass | Poaceae | DIVI | |
| Dioscorea quaternata | Four-Leaf Yam | Dioscoreaceae | DIQU | Bluegrass Woodland Restoration Center |
| Dioscorea villosa | Wild Yam | Dioscoreaceae | DIVI4 | Richard Gitar |
| Dodecatheon amethystinum | Jeweled Shootingstar | Primulaceae | DOAM | |
| Dodecatheon frenchii | French's Shootingstar | Primulaceae | DOFR2 | |
| Doellingeria umbellata | Flattop Aster | Asteraceae | DOUMU | |
| Doellingeria umbellata | Parasol White-Top | Asteraceae | DOUM2 | Anita Merritt |
| Draba aurea | golden draba | Brassicaceae | DRAU | Denise Wilson |
| Draba brachycarpa | Short-Pod Whitlow-Grass | Brassicaceae | DRBR | |
| Dracocephalum parviflorum | American Dragonhead | Lamiaceae | DRPA2 | |
| Dracopis amplexicaulis | Clasping-Coneflower | Asteraceae | DRAM | |
| Echinacea simulata | Wavy-Leaf Purple-Coneflower | Asteraceae | ECSI | Hilary and Dee Ann |
| Echinochloa walteri | Salt-Marsh Cockspur Grass | Poaceae | ECWA | Richard Gitar |
| Echinocystis lobata | Wild Cucumber | Cucurbitaceae | ECLO | Margo Milde |
| Echinodorus berteroi | Upright Burrhead | Alismataceae | ECBE2 | |
| Echinodorus cordifolius | Creeping Burrhead | Alismataceae | ECCO3 | |
| Elatine brachysperma | Short-Seed Waterwort | Elatinaceae | ELBR5 | |
| Elatine minima | Small Waterwort | Elatinaceae | ELMI | |
| Eleocharis elliptica | Elliptic Spike Rush | Cyperaceae | ELEL4 | |
| Eleocharis engelmannii | Engelmann's Spike-Rush | Cyperaceae | ELEN | |
| Eleocharis erythropoda | Bald Spike-Rush | Cyperaceae | ELER | |
| Eleocharis intermedia | Intermediate Spike-Rush | Cyperaceae | ELIN | Richard Gitar |
| Eleocharis obtusa | Blunt Spike-Rush | Cyperaceae | ELOB2 | Jeff Hansen |
| Eleocharis quadrangulata | Square-Stem Spike-Rush | Cyperaceae | ELQU | |
| Eleocharis tenuis | Slender Spike Rush | Cyperaceae | ELTEV | |
| Eleocharis wolfii | Wolf's Spikesedge | Cyperaceae | ELWO | |
| Elymus diversiglumis | Various-Glum Wild Rye | Poaceae | ELDI3 | |
| Elymus ebingeri | Bottle Brush Grass | Poaceae | ELEB | |
| Elymus submuticus | Beardless Wild Rye | Poaceae | ELSU | |
| Epilobium leptophyllum | Bog Willowherb | Onagraceae | EPLE2 | Stanley Smookler/Denise Wilson |
| Epilobium wisconsinense | Willowherb | Onagraceae | EPWI | |
| Eragrostis frankii | Sandbar Love Grass | Poaceae | ERFR | |
| Eragrostis hirsuta | Big-Top Love Grass | Poaceae | ERHI | |
| Eragrostis hypnoides | Creeping Love Grass | Poaceae | ERHY | |
| Erigenia bulbosa | Harbinger-of-Spring | Apiaceae | ERBU | |
| Erigeron annuus | Annual Fleabane | Asteraceae | ERAN | Richard Gitar |
| Erigeron colomexicanus | running fleabane | Asteraceae | ERCO28 | Denise Wilson |
| Erigeron philadelphicus | Marsh Fleabane | Asteraceae | ERPH | Fumiko Shirakura |
| Erigeron pulchellus | Robin's Plantain | Asteraceae | ERPU | Josh Sulman |
| Erigeron vetensis | early bluetop fleabane | Asteraceae | ERVE2 | Denise Wilson |
| Eriochloa acuminata | Taper-Tip Cup Grass | Poaceae | ERACA | |
| Eriochloa contracta | Prairie Cup Grass | Poaceae | ERCO8 | |
| Eriogonum annuum | Annual Wild Buckwheat | Polygonaceae | ERAN4 | Fumiko Shirakura |
| Eriophorum tenellum | Few-Nerve Cotton-Grass | Cyperaceae | ERTE12 | Richard Gitar |
| Eriophorum viridicarinatum | Tassel Cotton-Grass | Cyperaceae | ERVI9 | |
| Erysimum asperum | western wallflower | Brassicaceae | ERAS2 | |
| Erysimum inconspicuum | Shy Wallflower | Brassicaceae | ERIN7 | |
| Erythronium albidum | Small White Fawn-Lily | Liliaceae | ERAL9 | Betsy Allen |
| Erythronium americanum | American Trout-Lily | Liliaceae | ERAMA2 | Bluegrass Woodland Restoration Center |
| Euonymus atropurpurea | eastern wahoo | Celastraceae | EUATA | Jeff Hansen |
| Euonymus obovata | Running Strawberry-Bush | Celastraceae | EUOB9 | |
| Eupatorium truncatum | Tall Thoroughwort | Asteraceae | EUTR5 | |
| Euphorbia commutata | Tinted Woodland Spurge | Euphorbiaceae | EUCO8 | Bluegrass Woodland Restoration Center |
| Euphorbia hexagona | Six-Angle Spurge | Euphorbiaceae | EUHE5 | |
| Euphorbia pubentissima | False Flowering Spurge | Euphorbiaceae | EUPU7 | |
| Eurybia macrophylla | Large-Leaf Wood-Aster | Asteraceae | EUMA27 | |
| Eurybia schreberi | Schreber's Wood-Aster | Asteraceae | EUSC5 | Bluegrass Woodland Restoration Center |
| Euthamia gymnospermoides | Grassleaf Goldenrod | Asteraceae | EUGY | Jeff Hansen |
| Euthamia leptocephala | Bushy Goldentop | Asteraceae | EULE4 | |
| Evolvulus nuttallianus | Shaggy Dwarf-Morning-Glory | Convolvulaceae | EVNU | |
| Festuca paradoxa | Fescue | Poaceae | FEPA2 | |
| Festuca subverticillata | Nodding Fescue | Poaceae | FESU3 | Jeff Hansen |
| Fimbristylis annua | Annual Fimbry | Cyperaceae | FIAN | |
| Fimbristylis autumnalis | Autumn Sedge | Cyperaceae | FIAU2 | |
| Fimbristylis puberula | Hairy Fimbry | Cyperaceae | FIPUP | |
| Floerkea proserpinacoides | False Mermaidweed | Limnanthaceae | FLPR | |
| Fragaria ananassa | Strawberry | Rosaceae | FRANA2 | |
| Frasera caroliniensis | American-Columbo | Gentianaceae | FRCA2 | Bluegrass Woodland Restoration Center |
| Froelichia floridana | Plains Snake-Cotton | Amaranthaceae | FRFLC | |
| Fuirena pumila | Dwarf Umbrella Sedge | Cyperaceae | FUPU | |
| Fuirena scirpoidea | Southern Umbrella Sedge | Cyperaceae | FUSC | |
| Gaillardia aestivalis | Lance-Leaf Blanket-Flower | Asteraceae | GAAEF | |
| Galactia regularis | Milk Pea | Fabaceae | GARE2 | |
| Galactia volubilis | Downy Milk-Pea | Fabaceae | GAVO | |
| Galium asprellum | Rough Bedstraw | Rubiaceae | GAAS2 | Richard Gitar |
| Galium circaezans | Licorice Bedstraw | Rubiaceae | GACI2 | Bluegrass Woodland Restoration Center |
| Galium concinnum | Shining Bedstraw | Rubiaceae | GACO3 | Jeff Hansen |
| Galium obtusum | Wild Madder | Rubiaceae | GAOB | Bluegrass Woodland Restoration Center |
| Galium pilosum | Hairy Bedstraw | Rubiaceae | GAPIP3 | |
| Galium tinctorium | Stiff Marsh Bedstraw | Rubiaceae | GATI | |
| Galium trifidum | Three-Petal Bedstraw | Rubiaceae | GATRT5 | Richard Gitar |
| Gamochaeta purpurea | Spoon-Leaf Purple Everlasting | Asteraceae | GAPU3 | |
| Gaura filipes | Slender Gaura | Onagraceae | GAFI2 | |
| Gentiana alba | Pale Gentian | Gentianaceae | GEAL4 | |
| Gentiana andrewsii | Closed Bottle Gentian | Gentianaceae | GEAN | Jessica and Ginger Underwood |
| Gentiana billingtonii | Gentian | Gentianaceae | GEBI5 | |
| Gentiana curtisii | Gentian | Gentianaceae | GECU3 | |
| Gentiana saponaria | Soapwort Gentian | Gentianaceae | GESA | |
| Gentianella quinquefolia | Stiff Gentian | Gentianaceae | GEQUO | Jessica and Ginger Underwood |
| Geranium carolinianum | Wild Cranesbill | Geraniaceae | GECA5 | Bluegrass Woodland Restoration Center |
| Geum laciniatum | Rough Avens | Rosaceae | GELA | |
| Geum vernum | Spring Avens | Rosaceae | GEVE | Bluegrass Woodland Restoration Center |
| Glandularia canadensis | Rose Verbena | Verbenaceae | GLCA2 | Jeff Hansen |
| Gleditsia aquatica | Water-Locust | Fabaceae | GLAQ | |
| Glyceria borealis | Small Floating Manna Grass | Poaceae | GLBO | |
| Glyceria septentrionalis | Floating Manna Grass | Poaceae | GLSE3 | |
| Gratiola aurea | Golden Hedge-Hyssop | Scrophulariaceae | GRAU | |
| Gratiola neglecta | Clammy Hedge-Hyssop | Scrophulariaceae | GRNE | |
| Gymnocladus dioicus | Kentucky Coffeetree | Fabaceae | GYDI | Bluegrass Woodland Restoration Center |
| Gymnopogon ambiguus | Bearded Skeleton Grass | Poaceae | GYAM | |
| Hackelia deflexa | Nodding Stickseed | Boraginaceae | HADEA | |
| Halenia deflexa | American Spurred-Gentian | Clusiaceae | HADE2 | |
| Hasteola suaveolens | False Indian-Plantain | Asteraceae | HASU3 | |
| Hedeoma hispida | Rough Pennyroyal | Lamiaceae | HEHI | |
| Helenium flexuosum | Purple-Headed Sneezeweed | Asteraceae | HEFL | |
| Helenium polyphyllum | Sneezeweed | Asteraceae | HEPO2 | |
| Helianthemum bicknellii | Hoary Frostweed | Cistaceae | HEBI2 | |
| Helianthemum canadense | Common Rockrose | Cistaceae | HECA3 | |
| Helianthus atrorubens | Purple-Disk Sunflower | Asteraceae | HEAT | |
| Helianthus decapetalus | Pale Sunflower | Asteraceae | HEDE | Bluegrass Woodland Restoration Center |
| Helianthus divaricatus | Divergent Sunflower | Asteraceae | HEDI2 | Jessica and Ginger Underwood |
| Helianthus doronicoides | Sunflower | Asteraceae | HEDO | |
| Helianthus laetiflorus | Sunflower | Asteraceae | HELA | |
| Helianthus luxurians | Sunflower | Asteraceae | HELU4 | |
| Helianthus microcephalus | Small Wood Sunflower | Asteraceae | HEMI3 | Bluegrass Woodland Restoration Center |
| Helianthus petiolaris | Prairie Sunflower | Asteraceae | HEPEP | |
| Helianthus silphioides | Silphium Sunflower | Asteraceae | HESI | |
| Hepatica nobilis | Liverwort | Ranunculaceae | HENO2 | Anita Merritt |
| Hesperostipa spartea | Porcupine Grass | Poaceae | HESP11 | Jessica and Ginger Underwood |
| Heteranthera dubia | Grass-Leaf Mud-Plantain | Pontederiaceae | HEDU2 | |
| Heteranthera limosa | Blue Mud-Plantain | Pontederiaceae | HELI2 | |
| Heteranthera multiflora | Bouquet Mud-Plantain | Pontederiaceae | HEMU5 | |
| Heterotheca camporum | Lemon-Yellow False Golden-Aster | Asteraceae | HECAC2 | |
| Heterotheca fulcrata | rockyscree false goldenaster | Asteraceae | HEFU3 | Denise Wilson |
| Hibiscus laevis | Halberd-Leaf Rose-Mallow | Malvaceae | HILA2 | Jeff Hansen |
| Hieracium canadense | Canada Hawkweed | Asteraceae | HICA3 | |
| Hieracium fassettii | Hawkweed | Asteraceae | HIFAF | |
| Hieracium gronovii | Hairy Hawkweed | Asteraceae | HIGR3 | |
| Hieracium kalmii | Kalm's Hawkweed | Asteraceae | HIKA2 | |
| Hieracium scabrum | Hairy Hawkweed | Asteraceae | HISC | Richard Gitar |
| Hierochloe hirta | Northern Sweet Grass | Poaceae | HIHIA | Richard Gitar |
| Hottonia inflata | American Featherfoil | Primulaceae | HOIN | |
| Houstonia caerulea | Quaker-Ladies | Rubiaceae | HOCA4 | |
| Houstonia canadensis | Canadian Summer Bluet | Rubiaceae | HOCA5 | |
| Houstonia longifolia | Long-Leaf Summer Bluet | Rubiaceae | HOLO | |
| Houstonia purpurea | Bluets | Rubiaceae | HOPU2 | |
| Houstonia pusilla | Tiny Bluet | Rubiaceae | HOPU3 | Jeff Hansen |
| Hybanthus verticillatus | babyslippers | Violaceae | HYVE | Jeff Hansen |
| Hydrangea cinerea | Ashy Hydrangea | Hydrangeaceae | HYCI3 | |
| Hydrastis canadensis | Goldenseal | Ranunculaceae | HYCA | |
| Hylotelephium telephioides | Allegheny Annual-Stonecrop | Crassulaceae | HYTE9 | |
| Hypericum boreale | Northern St. John's-Wort | Clusiaceae | HYBO2 | |
| Hypericum canadense | Lesser Canadian St. John's-Wort | Clusiaceae | HYCA7 | |
| Hypericum drummondii | Nits-and-Lice | Clusiaceae | HYDR | Jeff Hansen |
| Hypericum ellipticum | Pale St. John's-Wort | Clusiaceae | HYEL | |
| Hypericum gymnanthum | Clasping-Leaf St. John's-Wort | Clusiaceae | HYGY | |
| Hypericum lobocarpum | Five-Lobe St. John's-Wort | Clusiaceae | HYLO2 | |
| Hypericum majus | Greater Canadian St. John's-Wort | Clusiaceae | HYMA2 | Richard Gitar |
| Hypericum mutilum | Dwarf St. Johns-Wort | Clusiaceae | HYMU | |
| Hypericum prolificum | Shrubby St. John's-Wort | Clusiaceae | HYPR | Bluegrass Woodland Restoration Center |
| Hypericum pseudomaculatum | Spotted St. Johns-Wort | Clusiaceae | HYPS | Bluegrass Woodland Restoration Center |
| Hypoxis hirsuta | Common Gold-Star Grass | Liliaceae | HYHI2 | Jeff Hansen |
| Impatiens capensis | Spotted Touch-Me-Not | Balsaminaceae | IMCA | Richard Gitar |
| Impatiens pallida | Pale Touch-Me-Not | Balsaminaceae | IMPA | Josh Sulman |
| Iodanthus pinnatifidus | Purple-Rocket | Brassicaceae | IOPI | Bluegrass Woodland Restoration Center |
| Ionactis linariifolius | Flax-Leaf Ankle-Aster | Asteraceae | IOLI2 | |
| Ipomoea leptophylla | bush morning-glory | Convolvulaceae | IPLE | |
| Ipomoea pandurata | Man-of-the-Earth | Convolvulaceae | IPPA | Hilary and Dee Ann |
| Ipomopsis spicata | spiked ipomopsis | Polemoniaceae | IPSP | |
| Iris brevicaulis | Blue Water Iris | Iridaceae | IRBR2 | |
| Iris cristata | Dwarf Crested Iris | Iridaceae | IRCR | |
| Iris fulva | Copper Iris | Iridaceae | IRFU | |
| Iris versicolor | Harlequin Blueflag | Iridaceae | IRVE2 | Richard Gitar |
| Isolepis carinata | Keeled Lateral-Bulrush | Cyperaceae | ISCA6 | |
| Juncus biflorus | Two-Flowered Rush | Juncaceae | JUBI | |
| Juncus brachycarpus | White-Root Rush | Juncaceae | JUBR | |
| Juncus brachycephalus | Small-Head Rush | Juncaceae | JUBR2 | |
| Juncus diffusissimus | Slim-Pod Rush | Juncaceae | JUDI2 | |
| Juncus marginatus | Grass-Leaved Rush | Juncaceae | JUMA4 | |
| Juncus nodatus | Stout Rush | Juncaceae | JUNO | |
| Juncus scirpoides | Needle-Pod Rush | Juncaceae | JUSC | |
| Juncus secundus | Lopsided Rush | Juncaceae | JUSE | |
| Justicia americana | American Water-Willow | Acanthaceae | JUAM | Jeff Hansen |
| Kallstroemia parviflora | Warty Caltrop | Zygophyllaceae | KAPA | |
| Krigia biflora | False Dandelion | Asteraceae | KRBI | |
| Krigia caespitosa | Dwarf Dandelion | Asteraceae | KRCA | |
| Krigia dandelion | Dwarf Dandelion | Asteraceae | KRDA | |
| Kyllinga pumila | Low Spike Sedge | Cyperaceae | KYPU | |
| Lactuca biennis | Wild Blue Lettuce | Asteraceae | LABI | Bluegrass Woodland Restoration Center |
| Lactuca canadensis | Canada Lettuce | Asteraceae | LACA | Jeff Hansen |
| Lactuca morssii | Lettuce | Asteraceae | LAMO4 | |
| Lactuca tatarica | blue lettuce | Asteraceae | LATAP | Stanley Smookler/Denise Wilson |
| Lappula occidentalis | Flat-Spine Sheepburr | Boraginaceae | LAOCO | Denise Wilson |
| Lechea mucronata | Hairy Pinweed | Cistaceae | LEMU3 | |
| Lechea pulchella | Leggett's Pinweed | Cistaceae | LEPUM | |
| Lechea stricta | Prairie Pinweed | Cistaceae | LEST | |
| Lechea tenuifolia | Narrow-Leaved Pinweed | Cistaceae | LETE | |
| Leersia lenticularis | Catchfly Grass | Poaceae | LELE2 | |
| Lemna minor | Common Duckweed | Lemnaceae | LEMI3 | Richard Gitar |
| Lemna trisulca | Ivy-Leaf Duckweed | Lemnaceae | LETR | |
| Leptochloa panicoides | Amazon Sprangletop | Poaceae | LEPA3 | |
| Lespedeza acuticarpa | Bush-Clover | Fabaceae | LEAC | |
| Lespedeza brittonii | Bush Clover | Fabaceae | LEBR2 | |
| Lespedeza frutescens | Shrubby Bush-Clover | Fabaceae | LEFR5 | Ginger and Jessica Underwood |
| Lespedeza hirta | Hairy Bush Clover | Fabaceae | LEHI2 | Hilary and Dee Ann |
| Lespedeza manniana | Bush Clover | Fabaceae | LEMA6 | |
| Lespedeza nuttallii | Bush Clover | Fabaceae | LENU | |
| Lespedeza procumbens | Trailing Bush-Clover | Fabaceae | LEPR | |
| Lespedeza repens | Creeping Bush Clover | Fabaceae | LERE2 | |
| Lespedeza simulata | Bush-Clover | Fabaceae | LESI2 | |
| Lespedeza stuevei | Bush Clover | Fabaceae | LEST5 | |
| Liatris gladewitzii | Gayfeather | Asteraceae | LIGL3 | |
| Liatris ridgwayi | Gayfeather | Asteraceae | LIRI2 | |
| Liatris spheroidea | Spherical Gayfeather | Asteraceae | LISP4 | |
| Liatris squarrulosa | Appalachian Gayfeather | Asteraceae | LISQ2 | Sarah Harrelson |
| Liatris steelei | Gayfeather | Asteraceae | LIST6 | |
| Ligusticum filicinum | fernleaf licorice-root | Apiaceae | LIFI | |
| Lilium michiganense | Michigan Lily | Liliaceae | LIMI9 | |
| Lilium superbum | Turk's-Cap Lily | Liliaceae | LISU | |
| Limnosciadium pinnatum | Tansy Dogshade | Apiaceae | LIPI2 | |
| Linum compactum | Wyoming Flax | Linaceae | LICO3 | |
| Linum floridanum | Florida Yellow Flax | Linaceae | LIFLF2 | |
| Linum medium | Small Yellow Flax | Linaceae | LIMET | |
| Linum rigidum | Large-Flower Yellow Flax | Linaceae | LIRIR | |
| Linum striatum | Ridged Yellow Flax | Linaceae | LIST | |
| Lipocarpha drummondii | Drummond's Halfchaff Sedge | Cyperaceae | LIDR3 | |
| Lipocarpha maculata | American Halfchaff Sedge | Cyperaceae | LIMA4 | |
| Lipocarpha micrantha | Small-Flower Halfchaff Sedge | Cyperaceae | LIMI12 | |
| Lithospermum canescens | Hoary Puccoon | Boraginaceae | LICA12 | Laurie Rasmus |
| Lithospermum caroliniense | Hairy Puccoon | Boraginaceae | LICA13 | |
| Lithospermum latifolium | American Gromwell | Boraginaceae | LILA2 | Jessica and Ginger Underwood |
| Lobelia inflata | Indian Tobacco | Campanulaceae | LOIN | Bluegrass Woodland Restoration Center |
| Lobelia kalmii | Brook Lobelia | Campanulaceae | LOKA | |
| Lobelia puberula | Downy Lobelia | Campanulaceae | LOPUS | Hilary and Dee Ann |
| Lobelia speciosa | Lobelia | Campanulaceae | LOSP2 | |
| Lobelia spicata | Spiked Lobelia | Campanulaceae | LOSP | Betsy Allen |
| Lomatogonium rotatum | marsh felwort | Gentianaceae | LORO | |
| Lonicera canadensis | American Fly-Honeysuckle | Caprifoliaceae | LOCA7 | |
| Lonicera reticulata | Grape Honeysuckle | Caprifoliaceae | LORE5 | |
| Ludwigia sphaerocarpa | Globe-Fruit Primrose-Willow | Onagraceae | LUSP | |
| Lupinus perennis | Wild Lupine | Fabaceae | LUPE3 | Josh Sulman |
| Luzula echinata | Hedgehog Wood-Rush | Juncaceae | LUEC | |
| Lycopus asper | Rough Water-Horehound | Lamiaceae | LYAS | Richard Gitar |
| Lycopus rubellus | Taper-Leaf Water-Horehound | Lamiaceae | LYRU | |
| Lycopus uniflorus | Northern Water-Horehound | Lamiaceae | LYUN | |
| Lysimachia ciliata | Fringed Loosestrife | Primulaceae | LYCI | Jeff Hansen |
| Lysimachia commixta | Yellow-Loosestrife | Primulaceae | LYCO6 | |
| Lysimachia producta | Yellow-Loosestrife | Primulaceae | LYPR | |
| Malus coronaria | Sweet Crabapple | Rosaceae | MACO5 | |
| Malus ioensis | Prairie Crabapple | Rosaceae | MAIOI | |
| Matelea gonocarpos | Angular-Fruit Milkvine | Asclepiadaceae | MAGO | |
| Mecardonia acuminata | Axil-Flower | Scrophulariaceae | MEACA | Hilary and Dee Ann |
| Meehania cordata | Meehan's-Mint | Lamiaceae | MECO | |
| Melampyrum lineare | Cow Wheat | Scrophulariaceae | MELIL2 | |
| Melanthera nivea | Snow Squarestem | Asteraceae | MENI3 | |
| Melanthium woodii | Wood's Bunchflower | Liliaceae | MEWO | |
| Melica nitens | Three-Flowered Melic Grass | Poaceae | MENI | |
| Menispermum canadense | Canadian Moonseed | Menispermaceae | MECA3 | Bluegrass Woodland Restoration Center |
| Mentzelia decapetala | Gumbo-Lily | Loasaceae | MEDE2 | |
| Mentzelia nuda | Goodmother | Loasaceae | MENUN | |
| Mimosa microphylla | Cat-Claw | Fabaceae | MIMI22 | Frank Oberle |
| Minuartia glabra | Appalachian Stitchwort | Caryophyllaceae | MIGL5 | |
| Minuartia michauxii | Michaux's Stitchwort | Caryophyllaceae | MIMIM | |
| Mirabilis albida | White Four-O'clock | Nyctaginaceae | MIAL4 | |
| Mirabilis hirsuta | hairy four o'clock | Nyctaginaceae | MIHI | Denise Wilson |
| Mitella diphylla | Two-Leaf Bishop's-Cap | Saxifragaceae | MIDI3 | |
| Moehringia lateriflora | Bluntleaf Sandwort | Caryophyllaceae | MOLA6 | Stanley Smookler/Denise Wilson |
| Monarda bradburiana | Eastern Beebalm | Lamiaceae | MOBR2 | Jeff Hansen |
| Monarda clinopodia | White Bergamot | Lamiaceae | MOCL | Sarah Harrelson |
| Monarda media | Purple Bergamot | Lamiaceae | MOME | |
| Monolepis nuttalliana | Nuttall's Poverty-Weed | Chenopodiaceae | MONU | |
| Monotropa hypopithys | Many-Flower Indian-Pipe | Monotropaceae | MOHY3 | Richard Gitar |
| Monotropa uniflora | One-Flower Indian-Pipe | Monotropaceae | MOUN3 | Richard Gitar |
| Montia chamissoi | water minerslettuce | Portulacaceae | MOCH | Denise Wilson |
| Muhlenbergia bushii | Nodding Muhly | Poaceae | MUBU | Jeff Hansen |
| Muhlenbergia capillaris | Hair Grass | Poaceae | MUCA2 | |
| Muhlenbergia curtisetosa | Muhly | Poaceae | MUCU2 | |
| Muhlenbergia glabriflora | Muhly | Poaceae | MUGL | |
| Muhlenbergia racemosa | GREEN MUHLY | Poaceae | MURA | Josh Sulman |
| Muhlenbergia sobolifera | Rock Muhly | Poaceae | MUSO | Bluegrass Woodland Restoration Center |
| Muhlenbergia sylvatica | Woodland Muhly | Poaceae | MUSY | |
| Muhlenbergia tenuiflora | Slender Muhly | Poaceae | MUTE | |
| Myosotis macrosperma | Large-Seed Forget-Me-Not | Boraginaceae | MYMA | Bluegrass Woodland Restoration Center |
| Myosotis verna | Spring Forget-Me-Not | Boraginaceae | MYVE | Jeff Hansen |
| Neeragrostis reptans | Creeping Love Grass | Poaceae | NERE3 | |
| Nemopanthus mucronatus | Catberry | Aquifoliaceae | NEMU2 | |
| Neobeckia aquatica | Lakecress | Brassicaceae | NEAQ2 | |
| Oenothera albicaulis | White-Stem Evening-Primrose | Onagraceae | OEAL | |
| Oenothera clelandii | Lesser Four-Point Evening-Primrose | Onagraceae | OECL3 | |
| Oenothera coronopifolia | crownleaf evening-primrose | Onagraceae | OECO2 | Denise Wilson |
| Oenothera linifolia | Thread-Leaved Sundrops | Onagraceae | OELI | |
| Oenothera nuttallii | Nuttall's Evening-Primrose | Onagraceae | OENU | Stanley Smookler/Denise Wilson |
| Oenothera oakesiana | Oakes' Evening-Primrose | Onagraceae | OEOA | |
| Oenothera pilosella | Prairie Sundrops | Onagraceae | OEPI2 | |
| Oenothera rhombipetala | Sand Primrose | Onagraceae | OERH | |
| Oligoneuron lutescens | Upland Aster | Asteraceae | OLLU | |
| Onosmodium molle | Marbleseed | Boraginaceae | ONMO | Jocelyn Baker |
| Orbexilum onobrychis | French-Grass | Fabaceae | ORON | |
| Orbexilum simplex | Single-Stem Leather-Root | Fabaceae | ORSI | |
| Oreochrysum parryi | Parry's goldenrod | Asteraceae | ORPA3 | |
| Orthilia secunda | Sidebells | Pyrolaceae | ORSE | Stanley Smookler/Denise Wilson |
| Oryzopsis asperifolia | Mountain Rice | Poaceae | ORAS | Josh Sulman |
| Osmorhiza claytonii | Hairy Sweet-Cicely | Apiaceae | OSCL | Sarah Johnson |
| Osmorhiza longistylis | Aniseroot | Apiaceae | OSLO | Bluegrass Woodland Restoration Center |
| Packera aurea | Golden Groundsel | Asteraceae | PAAU3 | Josh Sulman |
| Packera glabella | Cress-Leaf Groundsel | Asteraceae | PAGL17 | Bluegrass Woodland Restoration Center |
| Packera paupercula | Balsam Groundsel | Asteraceae | PAPA20 | Josh Sulman |
| Packera werneriifolia | hoary groundsel | Asteraceae | PAWE4 | Denise Wilson |
| Panax quinquefolius | American Ginseng | Araliaceae | PAQU | |
| Panicum anceps | Panic Grass | Poaceae | PAAN | Bluegrass Woodland Restoration Center |
| Panicum flexile | Slender Panic Grass | Poaceae | PAFL2 | Bluegrass Woodland Restoration Center |
| Panicum gattingeri | Gattinger's Panic Grass | Poaceae | PAGA | Bluegrass Woodland Restoration Center |
| Panicum philadelphicum | Panic Grass | Poaceae | PAPH | |
| Panicum rigidulum | Munro Grass | Poaceae | PARI4 | |
| Panicum verrucosum | Warty Panic Grass | Poaceae | PAVE2 | |
| Paronychia canadensis | Smooth Forked Nailwort | Caryophyllaceae | PACA11 | |
| Paronychia fastigiata | Smooth Forked Nailwort | Caryophyllaceae | PAFA3 | |
| Parthenium hispidum | wild quinine | Asteraceae | PAHI8 | |
| Parthenium integrifolium | Hispid Feverfew | Asteraceae | PAINH2 | |
| Parthenium integrifolium | American Feverfew | Asteraceae | PAIN3 | Hilary and Dee Ann |
| Parthenocissus vitacea | Thicket-Creeper | Vitaceae | PAVI5 | |
| Paspalum floridanum | Giant Beadgrass | Poaceae | PAFL4 | |
| Paspalum fluitans | Swamp Beadgrass | Poaceae | PAFL5 | |
| Paspalum praecox | Early Crown Grass | Poaceae | PAPR4 | |
| Paspalum pubiflorum | Beadgrass | Poaceae | PAPU5 | |
| Paspalum setaceum | Slender Crown Grass | Poaceae | PASE5 | Jeff Hansen |
| Passiflora incarnata | Purple Passion-Flower | Passifloraceae | PAIN6 | Bluegrass Woodland Restoration Center |
| Passiflora lutea | Yellow Passion-Flower | Passifloraceae | PALU2 | |
| Pedicularis canadensis | Lousewort | Scrophulariaceae | PECA | Laurie Rasmus |
| Pediomelum argophyllum | Silver-Leaf Indian-Breadroot | Fabaceae | PEAR6 | Jeff Hansen |
| Pediomelum esculentum | large Indian breadroot | Fabaceae | PEES | |
| Penstemon alluviorum | Lowland Beardtongue | Scrophulariaceae | PEAL4 | |
| Penstemon arkansanus | Arkansas Beardtongue | Scrophulariaceae | PEAR4 | |
| Penstemon calycosus | Long-Sepal Beardtongue | Scrophulariaceae | PECA7 | |
| Penstemon canescens | Eastern Gray Beardtongue | Scrophulariaceae | PECA8 | |
| Penstemon deamii | Deam's Beardtongue | Scrophulariaceae | PEDE10 | |
| Penstemon gracilis | Lilac Beardtongue | Scrophulariaceae | PEGRW2 | |
| Penstemon tubiflorus | white wand beardtongue | Scrophulariaceae | PETU | |
| Penstemon unilateralis | oneside penstemon | Scrophulariaceae | PEUN | |
| Penstemon virgatus | upright blue beardtongue | Scrophulariaceae | PEVI4 | Denise Wilson |
| Perideridia americana | Eastern Yampah | Apiaceae | PEAM2 | |
| Phaseolus polystachios | Wild Kidney Bean | Fabaceae | PHPO2 | |
| Philadelphus floridus | Few-Flower Mock Orange | Hydrangeaceae | PHFL4 | |
| Philadelphus inodorus | Scentless Mock Orange | Hydrangeaceae | PHIN5 | |
| Philadelphus pubescens | Hoary Mock Orange | Hydrangeaceae | PHPUP | |
| Phlox bifida | Cleff Phlox | Polemoniaceae | PHBI3 | Fumiko Shirakura |
| Phlox carolina | Phlox | Polemoniaceae | PHCAA2 | |
| Phlox divaricata | Wild Blue Phlox | Polemoniaceae | PHDI5 | Bluegrass Woodland Restoration Center |
| Phlox glaberrima | Smooth Phlox | Polemoniaceae | PHGLI | |
| Phlox maculata | Wild Sweetwilliam | Polemoniaceae | PHMA4 | |
| Phlox paniculata | Fall Phlox | Polemoniaceae | PHPA9 | Bluegrass Woodland Restoration Center |
| Phlox subulata | Moss Phlox | Polemoniaceae | PHSUS2 | |
| Phoradendron leucarpum | Oak Mistletoe | Viscaceae | PHLE14 | Bluegrass Woodland Restoration Center |
| Photinia melanocarpa | Black Chokecherry | Rosaceae | PHME13 | |
| Phyla cuneifolia | Wedgeleaf | Verbenaceae | PHCU3 | Jeff Hansen |
| Phyllanthus caroliniensis | Carolina Leaf-Flower | Euphorbiaceae | PHCAC | |
| Physalis grisea | Strawberry-Tomato | Solanaceae | PHGR22 | |
| Physalis heterophylla | Ground Cherry | Solanaceae | PHHE5 | Bluegrass Woodland Restoration Center |
| Physalis hispida | Prairie Ground-Cherry | Solanaceae | PHHI8 | |
| Physalis longifolia | Long-Leaf Ground-Cherry | Solanaceae | PHLOS | Bluegrass Woodland Restoration Center |
| Physalis pumila | Dwarf Ground Cherry | Solanaceae | PHPU8 | |
| Physaria vitulifera | roundtip twinpod | Brassicaceae | PHVI7 | Denise Wilson |
| Physocarpus opulifolius | Atlantic Ninebark | Rosaceae | PHOP | Bluegrass Woodland Restoration Center |
| Physostegia angustifolia | Narrow-Leaved False Dragonhead | Lamiaceae | PHAN6 | |
| Physostegia intermedia | False Dragonhead | Lamiaceae | PHIN8 | |
| Physostegia parviflora | Small-Flower False Dragonhead | Lamiaceae | PHPA10 | |
| Physostegia virginiana | False Dragonhead | Lamiaceae | PHVIV | Bluegrass Woodland Restoration Center |
| Pilea fontana | Lesser Clearweed | Urticaceae | PIFO | |
| Piptatherum pungens | Short-Awn Mountain-Rice Grass | Poaceae | PIPU7 | |
| Piptatherum racemosum | Black-Seed Mountain-Rice Grass | Poaceae | PIRA5 | |
| Plantago heterophylla | Slender Plantain | Plantaginaceae | PLHE2 | |
| Plantago pusilla | Small Plantain | Plantaginaceae | PLPU | |
| Pluchea camphorata | Plowman's-Wort | Asteraceae | PLCA7 | |
| Poa arachnifera | Texas Blue Grass | Poaceae | POAR | |
| Poa arida | Prairie Blue Grass | Poaceae | POAR3 | |
| Poa autumnalis | Autumn Blue Grass | Poaceae | POAU | |
| Poa chapmaniana | Annual Bluegrass | Poaceae | POCH2 | |
| Poa paludigena | Bog Blue Grass | Poaceae | POPA | |
| Poa palustris | Fowl Blue Grass | Poaceae | POPA2 | Josh Sulman |
| Poa sylvestris | Woodland Blue Grass | Poaceae | POSY | Jeff Hansen |
| Podophyllum peltatum | May-Apple | Berberidaceae | POPE | Jeff Hansen |
| Polemonium reptans | Jacob's Ladder | Polemoniaceae | PORE2 | Bluegrass Woodland Restoration Center |
| Polygala ambigua | Alternate Milkwort | Polygalaceae | POAM9 | |
| Polygala cruciata | Drumheads | Polygalaceae | POCRA | |
| Polygala incarnata | procession flower | Polygalaceae | POIN4 | |
| Polygala paucifolia | Gaywings | Polygalaceae | POPA5 | Josh Sulman |
| Polygala polygama | Purple Milkwort | Polygalaceae | POPO | |
| Polygala senega | Seneca Snakeroot | Polygalaceae | POSE3 | |
| Polygala verticillata | Whorled Milkwort | Polygalaceae | POVE | Jeff Hansen |
| Polygonatum biflorum | King Solomon's Seal | Liliaceae | POBIC | |
| Polygonella articulata | Coastal Jointweed | Polygonaceae | POAR4 | |
| Polygonum achoreum | Leathery Knotweed | Polygonaceae | POAC3 | |
| Polygonum amphibium | Devil's Shoestring | Polygonaceae | POAM8 | Richard Gitar |
| Polygonum buxiforme | Prairie Knotweed | Polygonaceae | POBU2 | |
| Polygonum caespitosum | Oriental Lady's-Thumb | Polygonaceae | POCAL2 | |
| Polygonum cilinode | Fringed Black-Bindweed | Polygonaceae | POCI | |
| Polygonum erectum | Erect Knotweed | Polygonaceae | POER2 | Jeff Hansen |
| Polygonum lapathifolium | Dock-Leaf Smartweed | Polygonaceae | POLA4 | Juniper Sundance |
| Polygonum ramosissimum | Bushy Knotweed | Polygonaceae | PORA3 | |
| Polygonum sagittatum | Arrow-Leaf Tearthumb | Polygonaceae | POSA5 | Richard Gitar |
| Polygonum setaceum | Bog Smartweed | Polygonaceae | POSE6 | |
| Polygonum tenue | Slender Knotweed | Polygonaceae | POTE2 | |
| Polymnia canadensis | White-Flower Leafcup | Asteraceae | POCA11 | Bluegrass Woodland Restoration Center |
| Polypremum procumbens | Juniper-Leaf | Buddlejaceae | POPR4 | |
| Pontederia cordata | Pickerelweed | Pontederiaceae | POCO14 | Richard Gitar |
| Porteranthus stipulatus | Indian-Physic | Rosaceae | POST5 | |
| Porteranthus trifoliatus | Bowman's-Root | Rosaceae | POTR11 | |
| Potentilla fissa | bigflower cinquefoil | Rosaceae | POFI3 | Denise Wilson |
| Potentilla paradoxa | Bushy Cinquefoil | Rosaceae | POPA15 | |
| Potentilla simplex | Common Cinquefoil | Rosaceae | POSI2 | Betsy Allen |
| Prenanthes alba | White Rattlesnake-Root | Asteraceae | PRAL2 | |
| Prenanthes altissima | Tall Rattlesnake-Root | Asteraceae | PRAL3 | Bluegrass Woodland Restoration Center |
| Prenanthes aspera | Rough White Lettuce | Asteraceae | PRAS | Jeff Hansen |
| Prenanthes crepidinea | Great White Lettuce | Asteraceae | PRCR | Bluegrass Woodland Restoration Center |
| Prenanthes racemosa | Glaucous White Lettuce | Asteraceae | PRRA | |
| Prunus pensylvanica | Fire Cherry | Rosaceae | PRPEP | |
| Prunus pumila | Great Lakes Sand Cherry | Rosaceae | PRPU3 | |
| Pseudognaphalium macounii | Macoun's Rabbit-Tobacco | Asteraceae | PSMA11 | |
| Pseudognaphalium viscosum | Clammy Cudweed | Asteraceae | PSVI4 | |
| Ptilimnium costatum | Ribbed Mock Bishopweed | Apiaceae | PTCO | |
| Pulsatilla patens | Pasque-Flower | Ranunculaceae | PUPAM | Jeff Hansen |
| Pycnanthemum incanum | Hoary Mountain-Mint | Lamiaceae | PYINI | |
| Pycnanthemum loomisii | Loomis' Mountain-Mint | Lamiaceae | PYLO | |
| Pycnanthemum muticum | Clustered Mountain-Mint | Lamiaceae | PYMU | |
| Pycnanthemum pycnanthemoides | Southern Mountain-Mint | Lamiaceae | PYPYP | Hilary and Dee Ann |
| Pycnanthemum verticillatum | Whorled Mountain Mint | Lamiaceae | PYVEP | |
| Pyrola americana | American Wintergreen | Pyrolaceae | PYAM | Richard Gitar |
| Pyrola asarifolia | liverleaf wintergreen | Pyrolaceae | PYAS | |
| Pyrola elliptica | Shinleaf | Pyrolaceae | PYEL | Richard Gitar |
| Pyrrhopappus carolinianus | False Dandelion | Asteraceae | PYCA2 | |
| Ranunculus abortivus | Kidney-Leaf Buttercup | Ranunculaceae | RAAB | Sarah Johnson |
| Ranunculus ambigens | Water-Plantain Spearwort | Ranunculaceae | RAAM | |
| Ranunculus fascicularis | Early Buttercup | Ranunculaceae | RAFA | Josh Sulman |
| Ranunculus flabellaris | Greater Yellow Water Buttercup | Ranunculaceae | RAFL | |
| Ranunculus gmelinii | Lesser Yellow Water Buttercup | Ranunculaceae | RAGM | |
| Ranunculus harveyi | Harvey's Buttercup | Ranunculaceae | RAHA | |
| Ranunculus hispidus | Bristly Buttercup | Ranunculaceae | RAHI | |
| Ranunculus inamoenus | graceful buttercup | Ranunculaceae | RAIN | Denise Wilson |
| Ranunculus laxicaulis | Spearwort | Ranunculaceae | RALA2 | |
| Ranunculus longirostris | Long-Beak Water-Crowfoot | Ranunculaceae | RALO2 | |
| Ranunculus micranthus | Rock Buttercup | Ranunculaceae | RAMI2 | Bluegrass Woodland Restoration Center |
| Ranunculus pedatifidus | surefoot buttercup | Ranunculaceae | RAPE | Stanley Smookler/Denise Wilson |
| Ranunculus pensylvanicus | Pennsylvania Buttercup | Ranunculaceae | RAPE2 | Richard Gitar |
| Ranunculus pusillus | Low Spearwort | Ranunculaceae | RAPUP | |
| Ranunculus recurvatus | Blisterwort | Ranunculaceae | RARER2 | Josh Sulman |
| Ranunculus sceleratus | Cursed Buttercup | Ranunculaceae | RASCS | |
| Ratibida tagetes | green prairie coneflower | Asteraceae | RATA | |
| Rhododendron prinophyllum | Early Azalea | Ericaceae | RHPR | |
| Rhynchospora capitellata | Brownish Beak Sedge | Cyperaceae | RHCA12 | |
| Rhynchospora globularis | Grass Beak Rush | Cyperaceae | RHGL2 | |
| Rhynchospora macrostachya | Tall Horned Beak Sedge | Cyperaceae | RHMA6 | |
| Rhynchospora recognita | Coarse Globe Beak Sedge | Cyperaceae | RHRE8 | |
| Ribes americanum | Wild Black Currant | Grossulariaceae | RIAM2 | Jeff Hansen |
| Ribes cynosbati | Eastern Prickly Gooseberry | Grossulariaceae | RICY | |
| Ribes missouriense | Missouri Gooseberry | Grossulariaceae | RIMI | Jeff Hansen |
| Ribes triste | Swamp Red Currant | Grossulariaceae | RITR | |
| Robinia viscosa | Clammy Locust | Fabaceae | ROVIV | |
| Rorippa curvipes | Blunt-Leaf Yellowcress | Brassicaceae | ROCUT | |
| Rorippa sinuata | Spreading Yellowcress | Brassicaceae | ROSI2 | Jeff Hansen |
| Rosa blanda | Meadow Rose | Rosaceae | ROBL | |
| Rosa palustris | Swamp Rose | Rosaceae | ROPA | |
| Rosa rudiuscula | Rose | Rosaceae | RORU3 | |
| Rosa setigera | Prairie Rose | Rosaceae | ROSET | |
| Rosa setigera | Illinois Rose | Rosaceae | ROSE2 | Betsy Allen |
| Rotala ramosior | Tooth-Cup | Lythraceae | RORA | |
| Rubus alumnus | Oldfield Blackberry | Rosaceae | RUAL9 | |
| Rubus baileyanus | Bailey's Dewberry | Rosaceae | RUBA2 | |
| Rubus bellobatus | Kittatinny Blackberry | Rosaceae | RUBE | |
| Rubus bushii | Bush's blackberry | Rosaceae | RUBU2 | |
| Rubus deliciosus | delicious raspberry | Rosaceae | RUDE | Denise Wilson |
| Rubus fecundus | Washington DC Dewberry | Rosaceae | RUFE | |
| Rubus frondosus | Yankee Blackberry | Rosaceae | RUFR4 | |
| Rubus hispidus | Swampy Dewberry | Rosaceae | RUHI | Juniper Sundance |
| Rubus impar | Posey County Blackberry | Rosaceae | RUIM2 | |
| Rubus ithacanus | Ithaca Blackberry | Rosaceae | RUIT | |
| Rubus laudatus | Plains Blackberry | Rosaceae | RULA6 | |
| Rubus meracus | Dryslope Dewberry | Rosaceae | RUME3 | |
| Rubus missouricus | Missouri Dewberry | Rosaceae | RUMI4 | |
| Rubus multifer | Kinnickinnick Dewberry | Rosaceae | RUMU2 | |
| Rubus mundus | Oldfield Dewberry | Rosaceae | RUMU5 | |
| Rubus occidentalis | Black Raspberry | Rosaceae | RUOC | Josh Sulman |
| Rubus pensilvanicus | Pennsylvania Blackberry | Rosaceae | RUPE3 | Margo Milde |
| Rubus pergratus | Upland Blackberry | Rosaceae | RUPE6 | |
| Rubus plicatifolius | Plait-Leaf Dewberry | Rosaceae | RUPL | |
| Rubus pubifolius | Eagle Rock Blackberry | Rosaceae | RUPU4 | |
| Rubus recurvans | Recurved Blackberry | Rosaceae | RURE | |
| Rubus roribaccus | Velvet-Leaved Dewberry | Rosaceae | RURO2 | |
| Rubus rosa | Rose Blackberry | Rosaceae | RURO3 | |
| Rubus wheeleri | Wheeler's Blackberry | Rosaceae | RUWH2 | |
| Rubus wisconsinensis | Wisconsin Blackberry | Rosaceae | RUWI | |
| Rudbeckia bicolor | Pinewoods Coneflower | Asteraceae | RUBI5 | |
| Rudbeckia fulgida | Orance Coneflower | Asteraceae | RUFU2 | |
| Rudbeckia grandiflora | Rough Coneflower | Asteraceae | RUGRG | |
| Ruellia caroliniensis | Carolina Wild Petunia | Acanthaceae | RUCAC4 | |
| Ruellia humilis | Hairy Ruellia | Acanthaceae | RUHU | Bluegrass Woodland Restoration Center |
| Ruellia pedunculata | Wild Petunia | Acanthaceae | RUPE4 | |
| Rumex verticillatus | Swamp Dock | Polygonaceae | RUVE3 | Betsy Allen |
| Sabatia campanulata | Slender Rose-Gentian | Gentianaceae | SACA26 | |
| Saccharum alopecuroidum | Silver Plume Grass | Poaceae | SAAL9 | |
| Saccharum brevibarbe | Brown Plume Grass | Poaceae | SABR18 | |
| Sagina decumbens | Trailing Pearlwort | Caryophyllaceae | SADED | |
| Sagittaria ambigua | Kansas Arrowhead | Alismataceae | SAAM4 | |
| Sagittaria australis | Long-Beak Arrowhead | Alismataceae | SAAU2 | |
| Sagittaria calycina | Hooded Arrowhead | Alismataceae | SACAC | Jeff Hansen |
| Sagittaria cristata | Crested Arrowhead | Alismataceae | SACR4 | |
| Sagittaria cuneata | Arum-Leaf Arrowhead | Alismataceae | SACU | |
| Sagittaria graminea | Grass-Leaf Arrowhead | Alismataceae | SAGRG | |
| Sagittaria latifolia | broadleaf arrowhead | Alismataceae | SALA2 | Jeff Hansen |
| Sagittaria rigida | Sessile-Fruit Arrowhead | Alismataceae | SARI | |
| Salicornia maritima | Sea Saltwort | Chenopodiaceae | SAMA11 | |
| Salvia lyrata | Lyre-Leaf Sage | Lamiaceae | SALY2 | Hilary and Dee Ann |
| Sanicula canadensis | Canadian Black-Snakeroot | Apiaceae | SACA15 | Jeff Hansen |
| Sanicula marilandica | Black Snakeroot | Apiaceae | SAMA2 | |
| Sanicula trifoliata | Large-Fruit Black-Snakeroot | Apiaceae | SATR4 | |
| Saxifraga pensylvanica | Swamp Saxifrage | Saxifragaceae | SAPE8 | Josh Sulman |
| Saxifraga rhomboidea | diamondleaf saxifrage | Saxifragaceae | SARH2 | Denise Wilson |
| Schoenoplectus californicus | California Club-Rush | Cyperaceae | SCCA11 | |
| Schoenoplectus fluviatilis | River Club-Rush | Cyperaceae | SCFL11 | Jeff Hansen |
| Schoenoplectus heterochaetus | Pale Great Club-Rush | Cyperaceae | SCHE5 | |
| Schoenoplectus oblongatus | Club-Rush | Cyperaceae | SCOB7 | |
| Schoenoplectus subterminalis | Swaying Club-Rush | Cyperaceae | SCSU10 | |
| Schoenoplectus torreyi | Torrey's Club-Rush | Cyperaceae | SCTO3 | |
| Scirpus atrocinctus | Black-Girdle Bulrush | Cyperaceae | SCAT4 | |
| Scirpus georgianus | Georgia Bulrush | Cyperaceae | SCGE2 | Martha Younkin |
| Scirpus pedicellatus | Stalked Bulrush | Cyperaceae | SCPE3 | |
| Scleria muehlenbergii | Muehlenberg's Nut-Rush | Cyperaceae | SCMU8 | |
| Scleria oligantha | Little Head Nut-Rush | Cyperaceae | SCOL2 | |
| Scleria reticularis | Netted Nut-Rush | Cyperaceae | SCRE | |
| Scleria triglomerata | Tall Nut Grass | Cyperaceae | SCTR | Jeff Hansen |
| Scutellaria brittonii | Britton's skullcap | Lamiaceae | SCBR3 | Denise Wilson |
| Scutellaria elliptica | Hairy Scullcap | Lamiaceae | SCEL | |
| Scutellaria incana | Hoary Scullcap | Lamiaceae | SCINI2 | Hilary and Dee Ann |
| Scutellaria lateriflora | Mad Dog Skullcap | Lamiaceae | SCLA2 | |
| Scutellaria nervosa | Veiny Skullcap | Lamiaceae | SCNE2 | |
| Scutellaria parvula | Small Skullcap | Lamiaceae | SCPA7 | |
| Scutellaria parvula | Small Skullcap | Lamiaceae | SCPAA2 | Jeff Hansen |
| Scutellaria resinosa | sticky skullcap | Lamiaceae | SCRE3 | |
| Sedum pulchellum | Widow's-Cross | Crassulaceae | SEPU | Bluegrass Woodland Restoration Center |
| Sedum ternatum | Woodland Stonecrop | Crassulaceae | SETE3 | Bluegrass Woodland Restoration Center |
| Senna hebecarpa | Wild Senna | Fabaceae | SEHE3 | |
| Senna marilandica | Maryland Senna | Fabaceae | SEMA11 | Bluegrass Woodland Restoration Center |
| Setaria parviflora | Marsh Bristle Grass | Poaceae | SEPA10 | |
| Sida elliottii | Sida | Malvaceae | SIEL | |
| Sideroxylon lanuginosum | Chittam Wood | Sapotaceae | SILAO | |
| Silene nivea | Snowy Catchfly | Caryophyllaceae | SINI | |
| Silphium perfoliatum | Cup-Plant | Asteraceae | SIPEP | Jeff Hansen |
| Silphium pinnatifidum | Tansy Rosinweed | Asteraceae | SIPI2 | |
| Sisyrinchium albidum | Blye-Eyed Grass | Iridaceae | SIAL3 | Laurie Rasmus |
| Sisyrinchium montanum | strict blue-eyed grass | Iridaceae | SIMO2 | Denise Wilson/Stan Smookler |
| Sisyrinchium mucronatum | Blue-Eyed Grass | Iridaceae | SIMU3 | |
| Sium suave | Water Parsnip | Apiaceae | SISU2 | Betsy Allen |
| Smallanthus uvedalius | Bear's-Foot | Asteraceae | SMUV | Bluegrass Woodland Restoration Center |
| Smilax ecirrhata | Upright Carrion-Flower | Smilacaceae | SMEC | Sarah Johnson |
| Smilax illinoensis | Illinois Greenbrier | Smilacaceae | SMIL | |
| Smilax pulverulenta | Downy Carrion-Flower | Smilacaceae | SMPU2 | |
| Smilax tamnoides | Chinaroot | Smilacaceae | SMTA2 | |
| Solanum interius | deadly nightshade | Solanaceae | SOIN2 | |
| Solanum triflorum | Cut-Leaf Nightshade | Solanaceae | SOTR | |
| Solidago arguta | Boott's Goldenrod | Asteraceae | SOAR | |
| Solidago bicolor | Silverrod | Asteraceae | SOBI | Hilary and Dee Ann |
| Solidago buckleyi | Buckley's Goldenrod | Asteraceae | SOBU | |
| Solidago hispida | Hispid Goldenrod | Asteraceae | SOHI | Josh Sulman |
| Solidago radula | Rough Goldenrod | Asteraceae | SORA | |
| Solidago sphacelata | Autumn Goldenrod | Asteraceae | SOSP4 | Bluegrass Woodland Restoration Center |
| Sophora nuttalliana | silky sophora | Fabaceae | SONU | |
| Sorbus decora | Northern Mountain-Ash | Rosaceae | SODE3 | Richard Gitar |
| Spergularia salina | Saltmarsh Sandspurry | Caryophyllaceae | SPSA5 | |
| Spermacoce glabra | Smooth False Buttonweed | Rubiaceae | SPGL2 | |
| Spermolepis echinata | Bristly-Fruit Scaleseed | Apiaceae | SPEC2 | |
| Spermolepis inermis | Red River Scaleseed | Apiaceae | SPIN | |
| Sphenopholis nitida | Shining Wedge Grass | Poaceae | SPNI | |
| Sphenopholis obtusata | Prairie Wedge Grass | Poaceae | SPOB | Jeff Hansen |
| Spigelia marilandica | Woodland Pinkroot | Loganiaceae | SPMA3 | |
| Sporobolus clandestinus | Dropseed | Poaceae | SPCL | |
| Sporobolus coromandelianus | Target Dropseed | Poaceae | SPCO17 | |
| Sporobolus neglectus | Puggsheath Dropseed | Poaceae | SPNE2 | Margo Milde |
| Stachys aspera | Hyssop Hedge Nettle | Lamiaceae | STAS | |
| Stachys hyssopifolia | Hyssop-Leaf Hedge-Nettle | Lamiaceae | STHY3 | |
| Stachys nuttallii | Heart-Leaf Hedge-Nettle | Lamiaceae | STNU2 | |
| Stachys pilosa | Woundwort | Lamiaceae | STIPIP5 | |
| Stachys pilosa | Hairy Hedge-Nettle | Lamiaceae | STPI6 | Stanley Smookler/Denise Wilson |
| Stachys tenuifolia | Smooth Hedge-Nettle | Lamiaceae | STTE | Bluegrass Woodland Restoration Center |
| Stellaria crassifolia | fleshy starwort | Caryophyllaceae | STCR | Denise Wilson |
| Stellaria longifolia | Long-Leaf Starwort | Caryophyllaceae | STLOL | Denise Wilson/Stan Smookler |
| Strophostyles helvula | Trailing Fuzzy-Bean | Fabaceae | STHE4 | |
| Strophostyles leiosperma | Wild Bean | Fabaceae | STLE6 | Hilary and Dee Ann |
| Strophostyles umbellata | Pink Fuzzy-Bean | Fabaceae | STUM2 | Hilary and Dee Ann |
| Stylophorum diphyllum | Celandine-Poppy | Papaveraceae | STDI3 | Jessica and Ginger Underwood |
| Stylosanthes biflora | Pencil Flower | Fabaceae | STBI2 | |
| Styrax grandifolius | Big-Leaf Snowbell | Styracaceae | STGR4 | |
| Suaeda calceoliformis | Paiuteweed | Chenopodiaceae | SUCA2 | |
| Symphyotrichum amethystinum | American-Aster | Asteraceae | SYAM3 | |
| Symphyotrichum anomalum | Many-Ray American-Aster | Asteraceae | SYAN2 | |
| Symphyotrichum boreale | Boreal American-Aster | Asteraceae | SYBO2 | |
| Symphyotrichum ciliatum | Alkali American-Aster | Asteraceae | SYCI2 | Jeff Hansen |
| Symphyotrichum ciliolatum | Lindley's American-Aster | Asteraceae | SYCI | |
| Symphyotrichum cordifolium | Common Blue American-Aster | Asteraceae | SYCO4 | Bluegrass Woodland Restoration Center |
| Symphyotrichum dumosum | Rice Button American-Aster | Asteraceae | SYDU2 | Hilary and Dee Ann |
| Symphyotrichum fendleri | Fendler's aster | Asteraceae | SYFE | |
| Symphyotrichum ontarionis | Ontario American-Aster | Asteraceae | SYON | Bluegrass Woodland Restoration Center |
| Symphyotrichum parviceps | Small-Head American-Aster | Asteraceae | SYPA10 | |
| Symphyotrichum patens | Late Purple American-Aster | Asteraceae | SYPAP2 | Hilary and Dee Ann |
| Symphyotrichum phlogifolium | Phlox-Leaf American-Aster | Asteraceae | SYPH3 | |
| Symphyotrichum praealtum | Willow-Leaved Aster | Asteraceae | SYPRP | |
| Symphyotrichum prenanthoides | Crooked-Stem American-Aster | Asteraceae | SYPR6 | Bluegrass Woodland Restoration Center |
| Symphyotrichum racemosum | Fragile-Stem American-Aster | Asteraceae | SYRA5 | |
| Symphyotrichum turbinellum | Smooth Violet Prairie American-Aster | Asteraceae | SYTU2 | Justin Walker |
| Symphyotrichum undulatum | Wavy-Leaf American-Aster | Asteraceae | SYUN | Hilary and Dee Ann |
| Tephrosia virginiana | Goat's Rue | Fabaceae | TEVI | Frank Oberle |
| Thalictrum dioicum | Early Meadow-Rue | Ranunculaceae | THDI | Richard Gitar |
| Thalictrum revolutum | Waxy Meadow Rue | Ranunculaceae | THRE | Betsy Allen |
| Thalictrum thalictroides | Rue-Anemone | Ranunculaceae | THTH2 | Jeff Hansen |
| Thaspium barbinode | Hairy Meadow Parsnip | Apiaceae | THBA | Bluegrass Woodland Restoration Center |
| Thaspium trifoliatum | Meadow Parsnip | Apiaceae | THTR | Bluegrass Woodland Restoration Center |
| Tidestromia lanuginosa | Woolly Honeysweet | Amaranthaceae | TILA2 | |
| Toxicodendron pubescens | Atlantic Poison-Oak | Anacardiaceae | TOPU2 | |
| Toxicodendron rydbergii | Western Poison-Ivy | Anacardiaceae | TORY | |
| Trachelospermum difforme | Climbing-Dogbane | Apocynaceae | TRDI | |
| Tradescantia bracteata | longbract spiderwort | Commelinaceae | TRBR | |
| Tradescantia subaspera | Zigzag Spiderwort | Commelinaceae | TRSU2 | |
| Tragia cordata | Heart-Leaf Noseburn | Euphorbiaceae | TRCO | |
| Triadenum fraseri | Fraser's Marsh-St. John's-Wort | Clusiaceae | TRFR | Josh Sulman |
| Triadenum tubulosum | Lesser Marsh-St. John's-Wort | Clusiaceae | TRTU | |
| Triadenum walteri | Greater Marsh-St. John's-Wort | Clusiaceae | TRWA | |
| Trichostema dichotomum | Blue Curls | Lamiaceae | TRDI2 | |
| Tridens strictus | Long-Spike Fluff Grass | Poaceae | TRST2 | |
| Trillium cuneatum | Little-Sweet-Betsy | Liliaceae | TRCU | |
| Trillium flexipes | Nodding Wakerobin | Liliaceae | TRFL6 | |
| Trillium grandiflorum | Large-Flower Wakerobin | Liliaceae | TRGR4 | Anita Merritt |
| Trillium nivale | Dwarf White Wakerobin | Liliaceae | TRNI2 | |
| Trillium recurvatum | Bloody-Butcher | Liliaceae | TRRE5 | Betsy Allen |
| Trillium sessile | Toadshade | Liliaceae | TRSE2 | Bluegrass Woodland Restoration Center |
| Triodanis leptocarpa | Venus' Looking-Glass | Campanulaceae | TRLE3 | Jeff Hansen |
| Triosteum angustifolium | Yellow-Fruit Horse-Gentian | Caprifoliaceae | TRAN3 | |
| Triosteum aurantiacum | Orange-Fruit Horse-Gentian | Caprifoliaceae | TRAU4 | |
| Triosteum perfoliatum | Feverwort | Caprifoliaceae | TRPE5 | |
| Triplasis purpurea | Purple Sandgrass | Poaceae | TRPU4 | |
| Ulmus rubra | Slippery Elm | Ulmaceae | ULRU | |
| Urochloa platyphylla | Broad-Leaf Liverseed Grass | Poaceae | URPL2 | |
| Uvularia grandiflora | Large-Flower Bellwort | Liliaceae | UVGR | Anita Merritt |
| Uvularia sessilifolia | Sessile-Leaf Bellwort | Liliaceae | UVSE | Anita Merritt |
| Vaccinium pallidum | Early Low-Bush Blueberry | Ericaceae | VAPA4 | |
| Valeriana pauciflora | Large-Flower Valerian | Valerianaceae | VAPA2 | |
| Valerianella radiata | Corn Salad | Valerianaceae | VARA | Bluegrass Woodland Restoration Center |
| Verbena blanchardii | Vervain | Verbenaceae | VEBL2 | |
| Verbena deamii | Vervain | Verbenaceae | VEDE2 | |
| Verbena engelmannii | Vervain | Verbenaceae | VEEN2 | |
| Verbena illicita | Vervain | Verbenaceae | VEIL | |
| Verbena moechina | Vervain | Verbenaceae | VEMO | |
| Verbena perriana | Vervain | Verbenaceae | VEPE4 | |
| Verbena rydbergii | Vervain | Verbenaceae | VERY | |
| Verbena simplex | Narrow-Leaved Vervain | Verbenaceae | VESI | Jeff Hansen |
| Verbesina helianthoides | Yellow Crownbeard | Asteraceae | VEHE | |
| Verbesina occidentalis | Yellow Crownbeard | Asteraceae | VEOC | Bluegrass Woodland Restoration Center |
| Vernonia gigantea | Tall Iron Weed | Asteraceae | VEGI | Bluegrass Woodland Restoration Center |
| Vernonia illinoensis | Ironweed | Asteraceae | VEIL3 | |
| Veronica serpyllifolia | thymeleaf speedwell | Scrophulariaceae | VESE | Denise Wilson |
| Viburnum lentago | Nanny-Berry | Caprifoliaceae | VILE | Betsy Allen |
| Viburnum nudum | Possumhaw | Caprifoliaceae | VINUC | |
| Viburnum rafinesquianum | Downy Arrowwood | Caprifoliaceae | VIRA | Bluegrass Woodland Restoration Center |
| Viburnum recognitum | Smooth Arrow-Wood | Caprifoliaceae | VIRE7 | |
| Viburnum rufidulum | Rusty Blackhaw | Caprifoliaceae | VIRU | Jeff Hansen |
| Vicia caroliniana | Wood Vetch | Fabaceae | VICA2 | |
| Viola affinis | Sand Violet | Violaceae | VIAF2 | |
| Viola bernardii | Violet | Violaceae | VIBE5 | |
| Viola bicolor | Field Pansy | Violaceae | VIBI | Jeff Hansen |
| Viola blanda | Sweet White Violet | Violaceae | VIBL | |
| Viola cucullata | Marsh Blue Violet | Violaceae | VICU | |
| Viola eclipes | Violet | Violaceae | VIEC | |
| Viola lanceolata | Lance-Leaved Violet | Violaceae | VILA4 | |
| Viola macloskeyi | Smooth White Violet | Violaceae | VIMAP3 | |
| Viola nephrophylla | Northern Bog Violet | Violaceae | VINE | |
| Viola pedata | Birdfoot Violet | Violaceae | VIPE | Pati Vitt |
| Viola pedatifida | Prairie Violet | Violaceae | VIPE2 | Jeff Hansen |
| Viola primulifolia | Violet | Violaceae | VIPR4 | |
| Viola pubescens | Downy Yellow Violet | Violaceae | VIPU3 | Jeff Hansen |
| Viola sagittata | Arrow-Leaved Violet | Violaceae | VISA2 | |
| Viola sororia | Woolly Blue Violet | Violaceae | VISO | Pati Vitt |
| Viola striata | Striped Cream Violet | Violaceae | VIST3 | Bluegrass Woodland Restoration Center |
| Viola viarum | Ozark Violet | Violaceae | VIVI2 | |
| Viola wittrockiana | Violet | Violaceae | VIWI | |
| Wisteria frutescens | American Wisteria | Fabaceae | WIFR | |
| Xyris jupicai | Richard's Yellow-Eyed-Grass | Xyridaceae | XYJU | |
| Yucca filamentosa | Adam's-Needle | Agavaceae | YUFI | |
| Zanthoxylum americanum | Prickly Ash | Rutaceae | ZAAM | Sarah Johnson |
| Zigadenus virescens | green deathcamas | Liliaceae | ZIVI | |
| Zizaniopsis miliacea | Marsh-Millet | Poaceae | ZIMI |