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- Flowering Plants Abronia macrocarpa Large-fruited sand-verbena U.S.A. (TX) E 331 NyctaginacNA NAbutilon eremitopetalum None U.S.A. (HI) E 435 Malvaceae NA NAbutilon menziesii Ko`oloa`ula U.S.A. (HI) E 243 Malvaceae NA NAbutilon sandwicense None U.S.A. (HI) E 448 Malvaceae NA NAcaena exigua Liliwai U.S.A. (HI) E 467 Rosaceae NA NAcanthomintha obovata ssp. duttonii San Mateo thornmint U.S.A. (CA) E 204 Lamiaceae NA NAchyranthes splendens var. rotundata Round-leaved chaff-flower U.S.A. (HI) E 220 AmaranthacNA NAconitum noveboracense Northern wild monkshood U.S.A. (IA, NY, OH, WI) T 39 RanunculacNA NAeschynomene virginica Sensitive joint-vetch U.S.A. (DE, MD, NC, NJ, PA, VA) T 470 Fabaceae NA NAgalinis acuta Sandplain gerardia U.S.A. (CT, MA, MD, NY, RI) E 325 ScrophularNA NAgave arizonica Arizona agave U.S.A. (AZ) E 147 Agavaceae NA NAlectryon macrococcus Mahoe U.S.A. (HI) E 467 SapindaceaNA NAlsinidendron obovatum None U.S.A. (HI) E 448 CaryophyllNA NAlsinidendron trinerve None U.S.A. (HI) E 448 CaryophyllNA NAmaranthus pumilus Seabeach amaranth U.S.A. (DE, MA, MD, NC, NJ, NY, RI, SC, VA) T 498 AmaranthacNA NAmbrosia cheiranthifolia South Texas ambrosia U.S.A. (TX) E 547 AsteraceaeNA NAmorpha crenulata Crenulate lead-plant U.S.A. (FL) E 192 Fabaceae NA NAmphianthus pusillus Little amphianthus U.S.A. (AL, GA, SC) T 302 ScrophularNA NAmsinckia grandiflora Large-flowered fiddleneck U.S.A. (CA) E 179 Boraginace17.96(a) NAmsonia kearneyana Kearney's blue-star U.S.A. (AZ) E 343 ApocynaceaNA NAncistrocactus (=Echinocactus =Mammillaria) tobuschii Tobusch fishhook cactus U.S.A. (TX) E 80 Cactaceae NA NApios priceana Price's potato-bean U.S.A. (AL, IL, KY, MS, TN) T 373 Fabaceae NA NArabis mcdonaldiana McDonald's rock-cress U.S.A. (CA) E 44 BrassicaceNA NArabis perstellata Rock-cress U.S.A. (AL,KY,TN) E 570 BrassicaceNA NArabis serotina Shale barren rock-cress U.S.A. (VA, WV) E 352 BrassicaceNA NArctomecon humilis Dwarf bear-poppy U.S.A. (UT) E 78 PapaveraceNA NArctostaphylos hookeri (=pungens) var. ravenii Presidio (=Raven's) manzanita U.S.A. (CA) E 65 Ericaceae NA NArctostaphylos morroensis Manzanita, Morro U.S.A. (CA) T 567 Ericaceae NA NArenaria cumberlandensis Cumberland sandwort U.S.A. (KY, TN) E 311 CaryophyllNA NArenaria paludicola Marsh sandwort U.S.A. (CA) E 511 CaryophyllNA NArgemone pleiacantha ssp. pinnatisecta Sacramento prickly-poppy U.S.A. (NM) E 360 PapaveraceNA NArgyroxiphium kauense Ka`u silversword U.S.A. (HI) E 497 AsteraceaeNA NArgyroxiphium sandwicense ssp. macrocephalum `Ahinahina (=Haleakala silversword) U.S.A. (HI) E 467 AsteraceaeNA NArgyroxiphium sandwicense ssp. sandwicense `Ahinahina (=Mauna Kea silversword) U.S.A. (HI) E 219 AsteraceaeNA NAristida chaseae None U.S.A. (PR) E 501 Poaceae NA NAristida portoricensis Pelos del diablo U.S.A. (PR) E 398 Poaceae NA NAsclepias meadii Mead's milkweed U.S.A. (IA, IL, IN, KS, MO, WI) T 321 AsclepiadaNA NAsclepias welshii Welsh's milkweed U.S.A. (AZ, UT) T 295 Asclepiada17.96(a) NAsimina tetramera Four-petal pawpaw U.S.A. (FL) E 244 AnnonaceaeNA NAstragalus albens Cushenbury milk-vetch U.S.A. (CA) E 548 Fabaceae NA NAstragalus applegatei Applegate's milk-vetch U.S.A. (OR) E 510 Fabaceae NA NAstragalus bibullatus Pyne's (=Guthrie's) ground-plum U.S.A. (TN) E 437 Fabaceae NA NAstragalus cremnophylax var. cremnophylax Sentry milk-vetch U.S.A. (AZ) E 409 Fabaceae NA NAstragalus humillimus Mancos milk-vetch U.S.A. (CO, NM) E 187 Fabaceae NA NAstragalus montii (=A. limnocharis var. m.) Heliotrope milk-vetch U.S.A. (UT) T 298 Fabaceae 17.96(a) NAstragalus osterhoutii Osterhout milk-vetch U.S.A. (CO) E 353 Fabaceae NA NAstragalus phoenix Ash Meadows milk-vetch U.S.A. (NV) T 181 Fabaceae 17.96(a) NAstragalus robbinsii var. jesupi Jesup's milk-vetch U.S.A. (NH, VT) E 271 Fabaceae NA NAstrophytum (=Echinocactus) asterias Star cactus U.S.A. (TX), Mexico E 521 Cactaceae NA NAuerodendron pauciflorum None U.S.A. (PR) E 531 RhamnaceaeNA NAyenia limitaris Texas ayenia U.S.A. (TX), Mexico E 547 SterculiacNA NBanara vanderbiltii Palo de Ram≤n U.S.A. (PR) E 255 FlacourtiaNA NBaptisia arachnifera Hairy rattleweed U.S.A. (GA) E 39 Fabaceae NA NBerberis sonnei (=Mahonia s.) Truckee barberry U.S.A. (CA) E 76 BerberidacNA NBetula uber Virginia round-leaf birch U.S.A. (VA) T 39,560 BetulaceaeNA NBidens cuneata Cuneate bidens U.S.A. (HI) E 141 AsteraceaeNA NBidens micrantha ssp. kalealaha Ko`oko`olau U.S.A. (HI) E 467 AsteraceaeNA NBidens wiebkei Ko`oko`olau U.S.A. (HI) E 480 AsteraceaeNA NBlennosperma bakeri Sonoma sunshine (=Baker's stickyseed) U.S.A. (CA) E 453 AsteraceaeNA NBoltonia decurrens Decurrent false aster U.S.A. (IL, MO) T 341 AsteraceaeNA NBonamia grandiflora Florida bonamia U.S.A. (FL) T 297 ConvolvulaNA NBonamia menziesii None U.S.A. (HI) E 559 ConvolvulaNA NBrighamia insignis `Olulu U.S.A. (HI) E 530 CampanulacNA NBrighamia rockii Pua `ala U.S.A. (HI) E 480 CampanulacNA NBuxus vahlii Vahl's boxwood U.S.A. (PR) E 197 Buxaceae NA NCaesalpinia (=Mezoneuron) kavaiense Uhiuhi U.S.A. (HI) E 238 Fabaceae NA NCallicarpa ampla Capß rosa (=pΘndula cimarrona) U.S.A. (PR) E 461 VerbenaceaNA NCallirhoe scabriuscula Texas poppy-mallow U.S.A. (TX) E 109, 112 Malvaceae NA NCalochortus tiburonensis Tiburon mariposa lily U.S.A. (CA) T 575 Liliaceae NA NCalyptranthes thomasiana None U.S.A. (PR, VI) British VI E 529 Myrtaceae NA NCalyptronoma rivalis Palma de manaca or manac palm U.S.A. (PR) T 375 Arecaceae NA NCamissonia benitensis San Benito evening-primrose U.S.A. (CA) T 172 OnagraceaeNA NCampanula robinsiae Brooksville (=Robins') bellflower U.S.A. (FL) E 356 CampanulacNA NCanavalia molokaiensis `Awikiwiki U.S.A. (HI) E 480 Fabaceae NA NCardamine micranthera Small-anthered bittercress U.S.A. (NC) E 363 BrassicaceNA NCarex specuicola Navajo sedge U.S.A. (AZ) T 178 Cyperaceae17.96(a) NCastilleja affinis ssp. neglecta Tiburon paintbrush U.S.A. (CA) E 575 ScrophularNA NCastilleja grisea San Clemente Island Indian paintbrush U.S.A. (CA) E 26 ScrophularNA NCaulanthus californicus California jewelflower U.S.A. (CA) E 395 BrassicaceNA NCeanothus ferrisae Coyote ceanothus (=Coyote Valley California-lilac)U.S.A. (CA) E 575 RhamnaceaeNA NCentaurium namophilum Spring-loving centaury U.S.A. (CA, NV) T 181 Gentianace17.96(a) NCentaurium sebaeoides `Awiwi U.S.A. (HI) E 448 GentianaceNA NCereus eriophorus var. fragrans Fragrant prickly-apple U.S.A. (FL) E 208 Cactaceae NA NChamaecrista glandulosa var. mirabilis (=Cassia m.) None U.S.A. (PR) E 379 Fabaceae NA NChamaesyce (=Euphorbia) deltoidea ssp. deltoidea Deltoid spurge U.S.A. (FL) E 192 EuphorbiacNA NChamaesyce (=Euphorbia) deppeana `Akoko U.S.A. (HI) E 536 EuphorbiacNA NChamaesyce (=Euphorbia) garberi Garber's spurge U.S.A. (FL) T 192 EuphorbiacNA NChamaesyce (=Euphorbia) skottsbergii var. kalaeloana `Ewa Plains `akoko U.S.A. (HI) E 120 EuphorbiacNA NChamaesyce celastroides var. kaenana `Akoko U.S.A. (HI) E 448 EuphorbiacNA NChamaesyce halemanui None U.S.A. (HI) E 464 EuphorbiacNA NChamaesyce kuwaleana `Akoko U.S.A. (HI) E 448 EuphorbiacNA NChionanthus pygmaeus Pygmy fringe-tree U.S.A. (FL) E 256 Oleaceae NA NChorizanthe howellii Howell's spineflower U.S.A. (CA) E 472 PolygonaceNA NChorizanthe pungens var. hartwegiana Ben Lomond spineflower U.S.A. (CA) E 528 PolygonaceNA NChorizanthe pungens var. pungens Monterey spineflower U.S.A. (CA) T 528 PolygonaceNA NChorizanthe robusta (incl. vars. robusta & hartwegii) Robust (incl. Scotts Valley) spineflower U.S.A. (CA) E 528 PolygonaceNA NChorizanthe valida Sonoma spineflower U.S.A. (CA) E 472 PolygonaceNA NChrysopsis (=Heterotheca) floridana Florida golden aster U.S.A. (FL) E 232 AsteraceaeNA NCirsium fontinale var. fontinale Fountain thistle U.S.A. (CA) E 575 AsteraceaeNA NCirsium fontinale var. obispoense Thistle, Chorro Creek bog U.S.A. (CA) E 567 AsteraceaeNA NCirsium pitcheri Pitcher's thistle U.S.A. (IL, IN, MI, WI), Canada (Ont.) T 315 AsteraceaeNA NCirsium vinaceum Sacramento Mountains thistle U.S.A. (NM) T 276 AsteraceaeNA NClarkia franciscana Presidio clarkia U.S.A. (CA) E 575 OnagraceaeNA NClarkia speciosa ssp. immaculata Pismo clarkia U.S.A. (CA) E 567 OnagraceaeNA NClematis morefieldii Morefield's leather-flower U.S.A. (AL) E 468 RanunculacNA NClematis socialis Alabama leather-flower U.S.A. (AL) E 245 RanunculacNA NClermontia lindseyana `Oha wai U.S.A. (HI) E 532 CampanulacNA NClermontia oblongifolia ssp. brevipes `Oha wai U.S.A. (HI) E 480 CampanulacNA NClermontia oblongifolia ssp. mauiensis `Oha wai U.S.A. (HI) E 467 CampanulacNA NClermontia peleana `Oha wai U.S.A. (HI) E 532 CampanulacNA NClermontia pyrularia `Oha wai U.S.A. (HI) E 532 CampanulacNA NClitoria fragrans Pigeon wings U.S.A. (FL) T 500 Fabaceae NA NColubrina oppositifolia Kauila U.S.A. (HI) E 532 RhamnaceaeNA NConradina brevifolia Short-leaved rosemary U.S.A. (FL) E 507 Lamiaceae NA NConradina etonia Etonia rosemary U.S.A. (FL) E 507 Lamiaceae NA NConradina glabra Apalachicola rosemary U.S.A. (FL) E 507 Lamiaceae NA NConradina verticillata Cumberland rosemary U.S.A. (KY, TN) T 452 Lamiaceae NA NCordylanthus maritimus ssp. maritimus Salt marsh bird's-beak U.S.A. (CA), Mexico (Baja California) E 44 ScrophularNA NCordylanthus palmatus Palmate-bracted bird's-beak U.S.A. (CA) E 235 ScrophularNA NCordylanthus tenuis ssp. capillaris Pennell's bird's-beak U.S.A. (CA) E 575 ScrophularNA NCornutia obovata Palo de nigua (=capß jugⁿerilla) U.S.A. (PR) E 307 VerbenaceaNA NCoryphantha (=Cochiseia =Escobaria) robbinsorum Cochise pincushion cactus U.S.A. (AZ), Mexico (Sonora) T 214 Cactaceae NA NCoryphantha (=Escobaria =Mammillaria) minima (=C. nellieae) Nellie cory cactus U.S.A. (TX) E 81 Cactaceae NA NCoryphantha ramillosa Bunched cory cactus U.S.A. (TX), Mexico (Coahuila) T 77 Cactaceae NA NCoryphantha scheeri var. robustispina Pima pineapple cactus U.S.A. (AZ), Mexico (Sonora) E 515 Cactaceae NA NCoryphantha sneedii (=Escobaria =Mammillaria) var. leei Lee pincushion cactus U.S.A. (NM) T 61 Cactaceae NA NCoryphantha sneedii (=Escobaria =Mammillaria) var. sneedii Sneed pincushion cactus U.S.A. (NM, TX) E 82 Cactaceae NA NCranichis ricartii None U.S.A. (PR) E 451 OrchidaceaNA NCrescentia portoricensis Higuero de Sierra U.S.A. (PR) E 301 BignoniaceNA NCrotalaria avonensis Avon Park harebells U.S.A. (FL) E 500 Fabaceae NA NCryptantha crassipes Terlingua Creek cats-eye U.S.A. (TX) E 439 BoraginaceNA NCucurbita okeechobeensis ssp. okeechobeensis Okeechobee gourd U.S.A. (FL) E 507 CucurbitacNA NCyanea asarifolia Haha U.S.A. (HI) E 530 CampanulacNA NCyanea copelandii ssp. copelandii Haha U.S.A. (HI) E 532 CampanulacNA NCyanea grimesiana ssp. obatae Haha U.S.A. (HI) E 541 CampanulacNA NCyanea hamatiflora ssp. carlsonii Haha U.S.A. (HI) E 532 CampanulacNA NCyanea lobata Haha U.S.A. (HI) E 467 CampanulacNA NCyanea macrostegia ssp. gibsonii None U.S.A. (HI) E 435 CampanulacNA NCyanea mannii Haha U.S.A. (HI) E 480 CampanulacNA NCyanea mceldowneyi Haha U.S.A. (HI) E 467 CampanulacNA NCyanea pinnatifida Haha U.S.A. (HI) E 448 CampanulacNA NCyanea procera Haha U.S.A. (HI) E 480 CampanulacNA NCyanea shipmannii Haha U.S.A. (HI) E 532 CampanulacNA NCyanea stictophylla Haha U.S.A. (HI) E 532 CampanulacNA NCyanea superba None U.S.A. (HI) E 467 CampanulacNA NCyanea truncata Haha U.S.A. (HI) E 536 CampanulacNA NCyanea undulata None U.S.A. (HI) E 436 CampanulacNA NCycladenia humilis var. jonesii Jones cycladenia U.S.A. (AZ, UT) T 229 ApocynaceaNA NCyrtandra crenata Ha`iwale U.S.A. (HI) E 536 GesneriaceNA NCyrtandra giffardii Ha`iwale U.S.A. (HI) E 532 GesneriaceNA NCyrtandra limahuliensis Ha`iwale U.S.A. (HI) T 530 GesneriaceNA NCyrtandra munroi Ha`iwale U.S.A. (HI) E 467 GesneriaceNA NCyrtandra polyantha Ha`iwale U.S.A. (HI) E 536 GesneriaceNA NCyrtandra tintinnabula Ha`iwale U.S.A. (HI) E 532 GesneriaceNA NDalea foliosa (=Petalostemum f.) Leafy prairie-clover U.S.A. (AL, IL, TN) E 422 Fabaceae NA NDaphnopsis hellerana None U.S.A. (PR) E 309 ThymelaeacNA NDeeringothamnus pulchellus Beautiful pawpaw U.S.A. (FL) E 244 AnnonaceaeNA NDeeringothamnus rugelii Rugel's pawpaw U.S.A. (FL) E 244 AnnonaceaeNA NDelissea rhytidosperma None U.S.A. (HI) E 530 CampanulacNA NDelphinium variegatum ssp. kinkiense (=D. k.) San Clemente Island larkspur U.S.A. (CA) E 26 RanunculacNA NDicerandra christmanii Garrett's mint U.S.A. (FL) E 207, 362 Lamiaceae NA NDicerandra cornutissima Longspurred mint U.S.A. (FL) E 207 Lamiaceae NA NDicerandra frutescens Scrub mint U.S.A. (FL) E 207, 362 Lamiaceae NA NDicerandra immaculata Lakela's mint U.S.A. (FL) E 180 Lamiaceae NA NDodecahema (=Centrostegia) leptoceras Slender-horned spineflower U.S.A. (CA) E 291 PolygonaceNA NDubautia herbstobatae Na`ena`e U.S.A. (HI) E 448 AsteraceaeNA NDubautia latifolia None U.S.A. (HI) E 464 AsteraceaeNA NDubautia pauciflorula None U.S.A. (HI) E 436 AsteraceaeNA NDudleya setchellii Santa Clara Valley dudleya U.S.A. (CA) E 575 CrassulaceNA NDudleya traskiae Santa Barbara Island liveforever U.S.A. (CA) E 39 CrassulaceNA NEchinacea laevigata Smooth coneflower U.S.A. (GA, MD, NC, PA, SC, VA) E 481 AsteraceaeNA NEchinacea tennesseensis Tennessee purple coneflower U.S.A. (TN) E 49 AsteraceaeNA NEchinocactus horizonthalonius var. nicholii Nichol's Turk's head cactus U.S.A. (AZ) E 71 Cactaceae NA NEchinocereus chisoensis (=reichenbachii) var. chisoensis Chisos Mountain hedgehog cactus U.S.A. (TX) T 335 Cactaceae NA NEchinocereus fendleri (=hempelii of authors, not Fobe) var. kuenzleKuenzler hedgehog cactus U.S.A. (NM) E 70 Cactaceae NA NEchinocereus lloydii (=E. roetteri var. l.) Lloyd's hedgehog cactus U.S.A. (NM, TX) E 67 Cactaceae NA NEchinocereus reichenbachii var. albertii (=E. melanocentrus) Black lace cactus U.S.A. (TX) E 68 Cactaceae NA NEchinocereus triglochidiatus var. arizonicus (=E. arizonicus) Arizona hedgehog cactus U.S.A. (AZ) E 62 Cactaceae NA NEchinocereus viridiflorus var. davisii (=E. davisii) Davis' green pitaya U.S.A. (TX) E 81 Cactaceae NA NEchinomastus (=Echinocactus, =Sclerocactus, =Neolloydia) mariposensLloyd's Mariposa cactus U.S.A. (TX), Mexico (Coahuila) T 77 Cactaceae NA NEnceliopsis nudicaulis var. corrugata Ash Meadows sunray U.S.A. (NV) T 181 Asteraceae17.96(a) NEremalche kernensis (=E. parryi ssp. k.) Kern mallow U.S.A. (CA) E 395 Malvaceae NA NEriastrum densifolium ssp. sanctorum Santa Ana River woolly-star U.S.A. (CA) E 291 PolemoniacNA NEriastrum hooveri Hoover's woolly-star U.S.A. (CA) T 395 PolemoniacNA NErigeron maguirei var. maguirei Maguire daisy U.S.A. (UT) E 202 AsteraceaeNA NErigeron parishii Parish's daisy U.S.A. (CA) T 548 AsteraceaeNA NErigeron rhizomatus Zuni (=Rhizome) fleabane U.S.A. (NM) T 177 AsteraceaeNA NEriodictyon altissimum Indian Knob mountain balm U.S.A. (CA) E 567 HydrophyllNA NEriogonum gypsophilum Gypsum wild-buckwheat U.S.A. (NM) T 110, 112 Polygonace17.96(a) NEriogonum longifolium var. gnaphalifolium Scrub buckwheat U.S.A. (FL) T 500 PolygonaceNA NEriogonum ovalifolium var. vineum Cushenbury buckwheat U.S.A. (CA) E 548 PolygonaceNA NEriogonum ovalifolium var. williamsiae Steamboat buckwheat U.S.A. (NV) E 237 PolygonaceNA NEriogonum pelinophilum Clay-loving wild-buckwheat U.S.A. (CO) E 151 Polygonace17.96(a) NEriophyllum latilobum San Mateo woolly sunflower U.S.A. (CA) E 575 AsteraceaeNA NEryngium aristulatum var. parishii San Diego button-celery U.S.A. (CA) E 512 Apiaceae NA NEryngium constancei Loch Lomond coyote-thistle U.S.A. (CA) E 194E, 249 Apiaceae NA NEryngium cuneifolium Snakeroot U.S.A. (FL) E 256 Apiaceae NA NErysimum capitatum var. angustatum Contra Costa wallflower U.S.A. (CA) E 39 Brassicace17.96(a) NErysimum menziesii Menzies' wallflower U.S.A. (CA) E 472 BrassicaceNA NErysimum teretifolium Ben Lomond wallflower U.S.A. (CA) E 528 BrassicacaNA NErythronium propullans Minnesota trout lily U.S.A. (MN) E 221 Liliaceae NA NEugenia haematocarpa Uvillo U.S.A. (PR) E 564 Myrtaceae NA NEugenia koolauensis Nioi U.S.A. (HI) E 536 Myrtaceae NA NEugenia woodburyana None U.S.A. (PR) E 551 Myrtaceae NA NEuphorbia telephioides Telephus spurge U.S.A. (FL) T 463 EuphorbiacNA NEutrema penlandii Penland alpine fen mustard U.S.A. (CO) T 509 BrassicaceNA NExocarpos luteolus Heau U.S.A. (HI) E 530 SantalaceaNA NFlueggea neowawraea Mehamehame U.S.A. (HI) E 559 EuphorbiacNA NFrankenia johnstonii Johnston's frankenia U.S.A. (TX), Mexico (Nuevo Leon) E 155 FrankeniacNA NGahnia lanaiensis None U.S.A. (HI) E 435 CyperaceaeNA NGalactia smallii Small's milkpea U.S.A. (FL) E 192 Fabaceae NA NGardenia brighamii Na`u or Hawaiian gardenia U.S.A. (HI) E 198 Rubiaceae NA NGeocarpon minimum None U.S.A. (AR, LA, MO) T 275 CaryophyllNA NGeranium arboreum Hawaiian red-flowered geranium U.S.A. (HI) E 465 GeraniaceaNA NGeranium multiflorum Nohoanu U.S.A. (HI) E 467 GeraniaceaNA NGesneria pauciflora None U.S.A. (PR) T 578 GesneriaceNA NGeum radiatum Spreading avens U.S.A. (NC, TN) E 381 Rosaceae NA NGilia tenuiflora ssp. arenaria Monterey gilia U.S.A. (CA) E 472 PolemoniacNA NGoetzea elegans Beautiful goetzea or matabuey U.S.A. (PR) E 176 SolanaceaeNA NGouania hillebrandii None U.S.A. (HI) E 165 Rhamnaceae17.96(a) NGouania meyenii None U.S.A. (HI) E 448 RhamnaceaeNA NGouania vitifolia None U.S.A. (HI) E 541 RhamnaceaeNA NGrindelia fraxino-pratensis Ash Meadows gumplant U.S.A. (CA, NV) T 181 Asteraceae17.96(a) NHaplostachys haplostachya var. angustifolia None U.S.A. (HI) E 73 Lamiaceae NA NHarperocallis flava Harper's beauty U.S.A. (FL) E 57 Liliaceae NA NHarrisia (=Cereus) portoricensis Higo chumbo U.S.A. (PR) T 397 Cactaceae NA NHedeoma todsenii Todsen's pennyroyal U.S.A. (NM) E 110, 112 Lamiaceae 17.96(a) NHedyotis cookiana `Awiwi U.S.A. (HI) E 530 Rubiaceae NA NHedyotis coriacea Kio`ele U.S.A. (HI) E 467 Rubiaceae NA NHedyotis degeneri None U.S.A. (HI) E 448 Rubiaceae NA NHedyotis mannii Pilo U.S.A. (HI) E 480 Rubiaceae NA NHedyotis parvula None U.S.A. (HI) E 448 Rubiaceae NA NHedyotis purpurea var. montana Roan Mountain bluet U.S.A. (NC, TN) E 381 Rubiaceae NA NHedyotis st.-johnii Na Pali beach hedyotis U.S.A. (HI) E 441 Rubiaceae NA NHelianthus schweinitzii Schweinitz's sunflower U.S.A. (NC, SC) E 424 AsteraceaeNA NHelonias bullata Swamp pink U.S.A. (DE, GA, MD, NC, NJ, NY, SC, VA) T 326 Liliaceae NA NHesperolinon congestum Marin dwarf-flax U.S.A. (CA) T 575 Linaceae NA NHesperomannia arborescens None U.S.A. (HI) E 536 AsteraceaeNA NHesperomannia arbuscula None U.S.A. (HI) E 448 AsteraceaeNA NHesperomannia lydgatei None U.S.A. (HI) E 436 AsteraceaeNA NHexastylis naniflora Dwarf-flowered heartleaf U.S.A. (NC, SC) T 347 AristolochNA NHibiscadelphus distans Kauai hau kuahiwi U.S.A. (HI) E 225 Malvaceae NA NHibiscus arnottianus ssp. immaculatus Koki`o ke`oke`o U.S.A. (HI) E 480 Malvaceae NA NHibiscus brackenridgei Ma`o hau hele U.S.A. (HI) E 559 Malvaceae NA NHibiscus clayi Clay's hibiscus U.S.A. (HI) E 530 Malvaceae NA NHoffmannseggia tenella Slender rush-pea U.S.A. (TX) E 209 Fabaceae NA NHowellia aquatilis Water howellia U.S.A. (CA, ID, MT, OR, WA) T 542 CampanulacNA NHudsonia montana Mountain golden heather U.S.A. (NC) T 107 Cistaceae 17.96(a) NHymenoxys herbacea (=acaulis var. glabra) Lakeside daisy U.S.A. (IL, OH), Canada (Ont.) T 310 AsteraceaeNA NHymenoxys texana Texas prairie dawn-flower (=Texas bitterweed) U.S.A. (TX) E 218 AsteraceaeNA NHypericum cumulicola Highlands scrub hypericum U.S.A. (FL) E 256 HypericaceNA NIlex cookii Cook's holly U.S.A. (PR) E 277 AquifoliacNA NIlex sintenisii None U.S.A. (PR) E 461 AquifoliacNA NIliamna corei Peter's Mountain mallow U.S.A. (VA) E 230 Malvaceae NA NIpomopsis sancti-spiritus Holy Ghost ipomopsis U.S.A. (NM) E 535 PolemoniacNA NIris lacustris Dwarf lake iris U.S.A. (MI, WI), Canada (Ont.) T 330 Iridaceae NA NIschaemum byrone Hilo ischaemum U.S.A. (HI) E 532 Poaceae NA NIsodendrion hosakae Aupaka U.S.A. (HI) E 414 Violaceae NA NIsodendrion pyrifolium Wahine noho kula U.S.A. (HI) E 532 Violaceae NA NIsotria medeoloides Small whorled pogonia U.S.A. (CT, DC, DE, GA, IL, MA, MD, ME, MI, MO, NC, NH, NJ, NY, PA, RI, SC, TN, VA, VT), Canada (Ont.) T 122, 556 OrchidaceaNA NIvesia kingii var. eremica Ash Meadows ivesia U.S.A. (NV) T 181 Rosaceae 17.96(a) NJacquemontia reclinata Beach jacquemontia U.S.A. (FL) E 523 ConvolvulaNA NJatropha costaricensis Costa Rican jatropha Costa Rica E 154 EuphorbiacNA NJusticia cooleyi Cooley's water-willow U.S.A. (FL) E 356 AcanthaceaNA NKokia cookei Cooke's koki`o U.S.A. (HI) E 74 Malvaceae NA NKokia drynarioides Koki`o (=hau-hele`ula or Hawaii tree cotton) U.S.A. (HI) E 167 Malvaceae 17.96(a) NLabordia lydgatei Kamakahala U.S.A. (HI) E 436 LoganiaceaNA NLasthenia burkei Burke's goldfields U.S.A. (CA) E 453 AsteraceaeNA NLayia carnosa Beach layia U.S.A. (CA) E 472 AsteraceaeNA NLembertia congdonii San Joaquin wooly-threads U.S.A. (CA) E 395 AsteraceaeNA NLepanthes eltoroensis None U.S.A. (PR) E 451 OrchidaceaNA NLepidium barnebyanum Barneby ridge-cress (=peppercress) U.S.A. (UT) E 402 BrassicaceNA NLeptocereus grantianus None U.S.A. (PR) E 491 Cactaceae NA NLespedeza leptostachya Prairie bush-clover U.S.A. (IA, IL, MN, WI) T 254 Fabaceae NA NLesquerella congesta Dudley Bluffs bladderpod U.S.A. (CO) T 374 BrassicaceNA NLesquerella filiformis Missouri bladderpod U.S.A. (MO) E 253 BrassicaceNA NLesquerella kingii ssp. bernardina San Bernardino Mountains bladderpod U.S.A. (CA) E 548 BrassicaceNA NLesquerella lyrata Lyrate bladderpod U.S.A. (AL) T 403 BrassicaceNA NLesquerella pallida White bladderpod U.S.A. (TX) E 260 BrassicaceNA NLesquerella tumulosa Kodachrome bladderpod U.S.A. (UT) E 519 BrassicaceNA NLiatris helleri Heller's blazingstar U.S.A. (NC) T 300 AsteraceaeNA NLiatris ohlingerae Scrub blazingstar U.S.A. (FL) E 356 AsteraceaeNA NLilium occidentale Western lily U.S.A. (OR, CA) E 544 Liliaceae NA NLimnanthes floccosa ssp. californica Butte County meadowfoam U.S.A. (CA) E 471 LimnanthacNA NLimnanthes vinculans Sebastopol meadowfoam U.S.A. (CA) E 453 LimnanthacNA NLindera melissifolia Pondberry U.S.A. (AL, AR, FL, GA, LA, MO, MS, NC, SC) E 240 Lauraceae NA NLipochaeta fauriei Nehe U.S.A. (HI) E 530 AsteraceaeNA NLipochaeta kamolensis Nehe U.S.A. (HI) E 467 AsteraceaeNA NLipochaeta lobata var. leptophylla Nehe U.S.A. (HI) E 448 AsteraceaeNA NLipochaeta micrantha Nehe U.S.A. (HI) E 530 AsteraceaeNA NLipochaeta tenuifolia Nehe U.S.A. (HI) E 448 AsteraceaeNA NLipochaeta venosa None U.S.A. (HI) E 73 AsteraceaeNA NLipochaeta waimeaensis Nehe U.S.A. (HI) E 530 AsteraceaeNA NLobelia niihauensis None U.S.A. (HI) E 448 CampanulacNA NLobelia oahuensis None U.S.A. (HI) E 536 CampanulacNA NLomatium bradshawii Bradshaw's desert-parsley (=lomatium) U.S.A. (OR) E 333 Apiaceae NA NLotus dendroideus (=scoparius) ssp. traskiae San Clemente Island broom U.S.A. (CA) E 26 Fabaceae NA NLupinus aridorum Scrub lupine U.S.A. (FL) E 264 Fabaceae NA NLupinus tidestromii Clover lupine U.S.A. (CA) E 472 Fabaceae NA NLyonia truncata var. proctorii None U.S.A. (PR) E 501 Ericaceae NA NLysimachia asperulaefolia Rough-leaved loosestrife U.S.A. (NC, SC) E 274 PrimulaceaNA NLysimachia filifolia None U.S.A. (HI) E 530 PrimulaceaNA NLysimachia lydgatei None U.S.A. (HI) E 467 PrimulaceaNA NMacbridea alba White birds-in-a-nest U.S.A. (FL) T 463 Lamiaceae NA NMalacothamnus clementinus San Clemente Island bush-mallow U.S.A. (CA) E 26 Malvaceae NA NManihot walkerae Walker's manioc U.S.A. (TX), Mexico E 445 EuphorbiacNA NMariscus fauriei None U.S.A. (HI) E 532 CyperaceaeNA NMariscus pennatiformis None U.S.A. (HI) E 559 CyperaceaeNA NMarshallia mohrii Mohr's Barbara's buttons U.S.A. (AL, GA) T 324 AsteraceaeNA NMelicope (=Pelea) lydgatei Alani U.S.A. (HI) E 536 Rutaceae NA NMelicope (=Pelea) mucronulata Alani U.S.A. (HI) E 467 Rutaceae NA NMelicope adscendens Alani U.S.A. (HI) E 565 Rutaceae NA NMelicope balloui Alani U.S.A. (HI) E 565 Rutaceae NA NMelicope haupuensis Alani U.S.A. (HI) E 530 Rutaceae NA NMelicope knudsenii Alani U.S.A. (HI) E 530 Rutaceae NA NMelicope ovalis Alani U.S.A. (HI) E 565 Rutaceae NA NMelicope pallida Alani U.S.A. (HI) E 530 Rutaceae NA NMelicope quadrangularis Alani U.S.A. (HI) E 530 Rutaceae NA NMelicope reflexa Alani U.S.A. (HI) E 480 Rutaceae NA NMentzelia leucophylla Ash Meadows blazing-star U.S.A. (NV) T 181 Loasaceae 17.96(a) NMimulus glabratus var. michiganensis Michigan monkey-flower U.S.A. (MI) E 392 ScrophularNA NMirabilis macfarlanei MacFarlane's four-o'clock U.S.A. (ID, OR) E 66 NyctaginacNA NMitracarpus maxwelliae None U.S.A. (PR) E 551 Rubiaceae NA NMitracarpus polycladus None U.S.A. (PR), Saba E 551 Rubiaceae NA NMunroidendron racemosum None U.S.A. (HI) E 530 AraliaceaeNA NMyrcia paganii None U.S.A. (PR) E 529 Myrtaceae NA NNeraudia angulata None U.S.A. (HI) E 448 UrticaceaeNA NNeraudia sericea None U.S.A. (HI) E 559 UrticaceaeNA NNitrophila mohavensis Amargosa niterwort U.S.A. (CA, NV) E 181 Chenopodia17.96(a) NNolina brittoniana Britton's beargrass U.S.A. (FL) E 500 Agavaceae NA NNothocestrum breviflorum `Aiea U.S.A. (HI) E 532 SolanaceaeNA NNothocestrum peltatum `Aiea U.S.A. (HI) E 530 SolanaceaeNA NNototrichium humile Kulu`i U.S.A. (HI) E 448 AmaranthacNA NOchrosia kilaueaensis Holei U.S.A. (HI) E 532 ApocynaceaNA NOenothera avita ssp. eurekensis Eureka Valley evening-primrose U.S.A. (CA) E 39 OnagraceaeNA NOenothera deltoides ssp. howellii Antioch Dunes evening-primrose U.S.A. (CA) E 39 Onagraceae17.96(a) NOpuntia treleasei Bakersfield cactus U.S.A. (CA) E 395 Cactaceae NA NOrcuttia californica California Orcutt grass U.S.A. (CA) E 512 Poaceae NA NOttoschulzia rhodoxylon Palo de rosa U.S.A. (PR), Dominican Republic E 385 IcacinaceaNA NOxypolis canbyi Canby's dropwort U.S.A. (DE, GA, MD, NC, SC) E 217 Apiaceae NA NOxytheca parishii var. goodmaniana Cushenbury oxytheca U.S.A. (CA) E 548 PolygonaceNA NOxytropis campestris var. chartacea Fassett's locoweed U.S.A. (WI) T 329 Fabaceae NA NPanicum fauriei var. carteri Carter's panicgrass U.S.A. (HI) E 133 Poaceae 17.96(a) NParonychia chartacea (=Nyachia pulvinata) Papery whitlow-wort U.S.A. (FL) T 256 CaryophyllNA NPedicularis furbishiae Furbish lousewort U.S.A. (ME), Canada (N.B.) E 39 ScrophularNA NPediocactus (=Echinocactus, =Utahia) sileri Siler pincushion cactus U.S.A. (AZ, UT) T 64, 524 Cactaceae NA NPediocactus (=Echinocactus, =Navajoa , =Toumeya, =Utahia) peeblesiaPeebles Navajo cactus U.S.A. (AZ) E 69 Cactaceae NA NPediocactus (=Toumeya) bradyi Brady pincushion cactus U.S.A. (AZ) E 63 Cactaceae NA NPediocactus (=Toumeya) knowltonii (=P. bradyi var. k.) Knowlton cactus U.S.A. (CO, NM) E 72 Cactaceae NA NPediocactus despainii San Rafael cactus U.S.A. (UT) E 286 Cactaceae NA NPenstemon haydenii Blowout penstemon U.S.A. (NE) E 285 ScrophularNA NPenstemon penlandii Penland beardtongue U.S.A. (CO) E 353 ScrophularNA NPentachaeta bellidiflora White-rayed pentachaeta U.S.A. (CA) E 575 AsteraceaeNA NPeperomia wheeleri Wheeler's peperomia U.S.A. (PR) E 255 PiperaceaeNA NPeucedanum sandwicense Makou U.S.A. (HI) T 530 Apiaceae NA NPhacelia argillacea Clay phacelia U.S.A. (UT) E 44 HydrophyllNA NPhacelia formosula North Park phacelia U.S.A. (CO) E 121 HydrophyllNA NPhlox nivalis ssp. texensis Texas trailing phlox U.S.A. (TX) E 440 PolemoniacNA NPhyllostegia glabra var. lanaiensis None U.S.A. (HI) E 435 Lamiaceae NA NPhyllostegia mannii None U.S.A. (HI) E 480 Lamiaceae NA NPhyllostegia mollis None U.S.A. (HI) E 448 Lamiaceae NA NPhyllostegia waimeae None U.S.A. (HI) E 530 Lamiaceae NA NPhysaria obcordata Dudley Bluffs twinpod U.S.A. (CO) T 374 BrassicaceNA NPilosocereus (=Cereus) robinii Key tree-cactus U.S.A. (FL), Cuba E 153 Cactaceae NA NPinguicula ionantha Godfrey's butterwort U.S.A. (FL) T 507 LentibularNA NPityopsis (=Heterotheca, =Chrysopsis) ruthii Ruth's golden aster U.S.A. (TN) E 191 AsteraceaeNA NPlantago hawaiensis Laukahi kuahiwi U.S.A. (HI) E 532 PlantaginaNA NPlantago princeps Laukahi kuahiwi U.S.A. (HI) E 559 PlantaginaNA NPlatanthera leucophaea Eastern prairie fringed orchid U.S.A. (AR, IA, IL, IN, ME, MI, MO, NE, NJ, NY, OH, OK, PA, VA, WI), Canada (Ont., N.B.) T 368 OrchidaceaNA NPlatanthera praeclara Western prairie fringed orchid U.S.A. (IA, KS, MN, MO, ND, NE, OK, SD), Canada (Man.) T 368 OrchidaceaNA NPleodendron macranthum Chupacallos (=Chupagallo) U.S.A. (PR) E 564 CanellaceaNA NPoa mannii Mann's bluegrass U.S.A. (HI) E 558 Poaceae NA NPoa sandvicensis Hawaiian bluegrass U.S.A. (HI) E 464 Poaceae NA NPoa siphonoglossa None U.S.A. (HI) E 464 Poaceae NA NPogogyne abramsii San Diego mesa mint U.S.A. (CA) E 44 Lamiaceae NA NPogogyne nudiuscula Otay mesa mint U.S.A. (CA), Mexico (Baja California) E 512 Lamiaceae NA NPolygala lewtonii Lewton's polygala U.S.A. (FL) E 500 PolygalaceNA NPolygala smallii Tiny polygala U.S.A. (FL) E 192 PolygalaceNA NPolygonella basiramia (=ciliata var. b.) Wireweed U.S.A. (FL) E 256 PolygonaceNA NPolygonella myriophylla Sandlace U.S.A. (FL) E 500 PolygonaceNA NPortulaca sclerocarpa Po`e U.S.A. (HI) E 532 PortulacacNA NPotamogeton clystocarpus Little Aguja pondweed U.S.A. (TX) E 450 PotamogetoNA NPotentilla robbinsiana Robbins' cinquefoil U.S.A. (NH, VT) E 104 Rosaceae 17.96(a) NPrimula maguirei Maguire primrose U.S.A. (UT) T 199 PrimulaceaNA NPritchardia affinis Loulu U.S.A. (HI) E 532 Arecaceae NA NPritchardia munroi Loulu U.S.A. (HI) E 480 Arecaceae NA NPrunus geniculata Scrub plum U.S.A. (FL) E 256 Rosaceae NA NPteralyxia kauaiensis Kaulu U.S.A. (HI) E 530 ApocynaceaNA NPtilimnium nodosum (=fluviatile) Harperella U.S.A. (AL, AR, GA, MD, NC, SC, WV) E 332 Apiaceae NA NPurshia (=Cowania) subintegra Arizona cliffrose U.S.A. (AZ) E 148 Rosaceae NA NQuercus hinckleyi Hinckley's oak U.S.A. (TX) T 318 Fagaceae NA NRanunculus acriformis var. aestivalis (=acris var. a.) Autumn buttercup U.S.A. (UT) E 355 RanunculacNA NRemya kauaiensis None U.S.A. (HI) E 413 AsteraceaeNA NRemya mauiensis Maui remya U.S.A. (HI) E 413 AsteraceaeNA NRemya montgomeryi None U.S.A. (HI) E 413 AsteraceaeNA NRhododendron chapmanii Chapman rhododendron U.S.A. (FL) E 47 Ericaceae NA NRhus michauxii Michaux's sumac U.S.A. (GA, NC, SC, VA) E 367 AnacardiacNA NRhynchospora knieskernii Knieskern's beaked-rush U.S.A. (DE, NJ) T 429 CyperaceaeNA NRibes echinellum Miccosukee gooseberry U.S.A. (FL, SC) T 190 SaxifragacNA NRollandia crispa None U.S.A. (HI) E 536 CampanulacNA NRorippa gambellii Gambel's watercress U.S.A. (CA) E 511 BrassicaceNA NSagittaria fasciculata Bunched arrowhead U.S.A. (NC, SC) E 53 AlismataceNA NSagittaria secundifolia Kral's water-plantain U.S.A. (AL, GA) T 386 AlismataceNA NSanicula mariversa None U.S.A. (HI) E 448 Apiaceae NA NSantalum freycinetianum var. lanaiense Lanai sandalwood or `iliahi U.S.A. (HI) E 215 SantalaceaNA NSarracenia oreophila Green pitcher-plant U.S.A. (AL, GA, NC, TN) E 56, 89 SarraceniaNA NSarracenia rubra ssp. alabamensis (=alabamensis ssp. a.) Alabama canebrake pitcher-plant U.S.A. (AL) E 346 SarraceniaNA NSarracenia rubra ssp. jonesii (=S. jonesii) Mountain sweet pitcher-plant U.S.A. (NC, SC) E 339 SarraceniaNA NScaevola coriacea Dwarf naupaka U.S.A. (HI) E 231 GoodeniaceNA NSchiedea adamantis Diamond Head schiedea U.S.A. (HI) E 141 CaryophyllNA NSchiedea apokremnos Ma`oli`oli U.S.A. (HI) E 441 CaryophyllNA NSchiedea haleakalensis None U.S.A. (HI) E 467 CaryophyllNA NSchiedea kaalae None U.S.A. (HI) E 448 CaryophyllNA NSchiedea lydgatei None U.S.A. (HI) E 480 CaryophyllNA NSchiedea spergulina var. leiopoda None U.S.A. (HI) E 530 CaryophyllNA NSchiedea spergulina var. spergulina None U.S.A. (HI) T 530 CaryophyllNA NSchoenocrambe (=Glaucocarpum) suffrutescens Shrubby reed-mustard (=toad-flax cress) U.S.A. (UT) E 293 BrassicaceNA NSchoenocrambe argillacea Clay reed-mustard U.S.A. (UT) T 457 BrassicaceNA NSchoenocrambe barnebyi Barneby reed-mustard U.S.A. (UT) E 457 BrassicaceNA NSchoepfia arenaria None U.S.A. (PR) T 420 Olacaceae NA NSchwalbea americana American chaffseed U.S.A. (AL, CT, DE, FL, GA, MA, MD, MI, MS, NC, NJ, NY, SC, TN, VA) E 478 ScrophularNA NScirpus ancistrochaetus Northeastern (=Barbed bristle) bulrush U.S.A. (MA, MD, NY, PA, VA, VT, WV) E 425 CyperaceaeNA NSclerocactus (=Coloradoa, =Echinocactus, =Pediocactus) mesae-verdaeMesa Verde cactus U.S.A. (CO, NM) T 75 Cactaceae NA NSclerocactus (=Echinocactus, =Pediocactus) glaucus (=whipplei var. Uinta Basin hookless cactus U.S.A. (CO, UT) T 59 Cactaceae NA NSclerocactus (=Pediocactus) wrightiae Wright fishhook cactus U.S.A. (UT) E 58 Cactaceae NA NScutellaria floridana Florida skullcap U.S.A. (FL) T 463 Lamiaceae NA NScutellaria montana Large-flowered skullcap U.S.A. (GA, TN) E 234 Lamiaceae NA NSedum integrifolium ssp. leedyi Leedy's roseroot U.S.A. (MN, NY) T 460 CrassulaceNA NSenecio franciscanus San Francisco Peaks groundsel U.S.A. (AZ) T 137 Asteraceae17.96(a) NSerianthes nelsonii Hayun lagu (Guam), Tronkon guafi (Rota) Western Pacific Ocean: U.S.A. (Guam, Rota) E 257, 259 Fabaceae NA NSesbania tomentosa `Ohai U.S.A. (HI) E 559 Fabaceae NA NSidalcea nelsoniana Nelson's checker-mallow U.S.A. (OR) T 490 Malvaceae NA NSidalcea pedata Pedate checker-mallow U.S.A. (CA) E 158 Malvaceae NA NSilene alexandri None U.S.A. (HI) E 480 CaryophyllNA NSilene hawaiiensis None U.S.A. (HI) T 532 CaryophyllNA NSilene lanceolata None U.S.A. (HI) E 480 CaryophyllNA NSilene perlmanii None U.S.A. (HI) E 448 CaryophyllNA NSilene polypetala Fringed campion U.S.A. (FL, GA) E 418 CaryophyllNA NSisyrinchium dichotomum White irisette U.S.A. (NC) E 438 Iridaceae NA NSolanum drymophilum Erubia U.S.A. (PR) E 319 SolanaceaeNA NSolanum incompletum Popolo ku mai U.S.A. (HI) E 559 SolanaceaeNA NSolanum sandwicense `Aiakeakua, popolo U.S.A. (HI) E 530 SolanaceaeNA NSolidago albopilosa White-haired goldenrod U.S.A. (KY) T 308 AsteraceaeNA NSolidago houghtonii Houghton's goldenrod U.S.A. (MI), Canada (Ont.) T 314 AsteraceaeNA NSolidago shortii Short's goldenrod U.S.A. (KY) E 201 AsteraceaeNA NSolidago spithamaea Blue Ridge goldenrod U.S.A. (NC, TN) T 175 AsteraceaeNA NSpermolepis hawaiiensis None U.S.A. (HI) E 559 Apiaceae NA NSpigelia gentianoides Gentian pinkroot U.S.A. (AL, FL) E 406 LoganiaceaNA NSpiraea virginiana Virginia spiraea U.S.A. (GA, KY, NC, PA, TN, VA, WV) T 389 Rosaceae NA NSpiranthes diluvialis Ute ladies'-tresses U.S.A. (CO, NV, UT) T 458 OrchidaceaNA NSpiranthes parksii Navasota ladies'-tresses U.S.A. (TX) E 116 OrchidaceaNA NStahlia monosperma C≤bana negra U.S.A. (PR), Dominican Republic T 380 Fabaceae NA NStenogyne angustifolia var. angustifolia None U.S.A. (HI) E 73 Lamiaceae NA NStenogyne bifida None U.S.A. (HI) E 480 Lamiaceae NA NStenogyne campanulata None U.S.A. (HI) E 464 Lamiaceae NA NStenogyne kanehoana None U.S.A. (HI) E 466 Lamiaceae NA NStephanomeria malheurensis Malheur wire-lettuce U.S.A. (OR) E 126 Asteraceae17.96(a) NStreptanthus albidus ssp. albidus Metcalf Canyon jewelflower U.S.A. (CA) E 575 BrassicaceNA NStreptanthus niger Tiburon jewelflower U.S.A. (CA) E 575 BrassicaceNA NStyrax portoricensis Palo de jazmφn U.S.A. (PR) E 461 StyracaceaNA NStyrax texana Texas snowbells U.S.A. (TX) E 162 StyracaceaNA NSuaeda californica Seablite, California U.S.A. (CA) E 567 ChenopodiaNA NSwallenia alexandrae Eureka Dune grass U.S.A. (CA) E 39 Poaceae NA NTernstroemia luquillensis Palo colorado U.S.A. (PR) E 461 Theaceae NA NTernstroemia subsessilis None U.S.A. (PR) E 461 Theaceae NA NTetramolopium arenarium None U.S.A. (HI) E 532 AsteraceaeNA NTetramolopium capillare Pamakani U.S.A. (HI) E 555 AsteraceaeNA NTetramolopium filiforme None U.S.A. (HI) E 448 AsteraceaeNA NTetramolopium lepidotum ssp. lepidotum None U.S.A. (HI) E 448 AsteraceaeNA NTetramolopium remyi None U.S.A. (HI) E 435 AsteraceaeNA NTetramolopium rockii None U.S.A. (HI) T 480 AsteraceaeNA NTetraplasandra gymnocarpa `Ohe`ohe U.S.A. (HI) E 536 AraliaceaeNA NThalictrum cooleyi Cooley's meadowrue U.S.A. (FL, NC) E 344 RanunculacNA NThelypodium stenopetalum Slender-petaled mustard U.S.A. (CA) E 158 BrassicaceNA NThymophylla (=Dyssodia) tephroleuca Ashy dogweed U.S.A. (TX) E 152 AsteraceaeNA NTownsendia aprica Last Chance townsendia U.S.A. (UT) T 200 AsteraceaeNA NTrichilia triacantha Bariaco (=guayabac≤n) U.S.A. (PR) E 303 Meliaceae NA NTrifolium stoloniferum Running buffalo clover U.S.A. (AR, IL, IN, KS, KY, MO, OH, WV) E 270 Fabaceae NA NTrillium persistens Persistent trillium U.S.A. (GA, SC) E 39 Liliaceae NA NTrillium reliquum Relict trillium U.S.A. (AL, GA, SC) E 306 Liliaceae NA NTuctoria (=Orcuttia) mucronata Solano grass U.S.A. (CA) E 44 Poaceae NA NUrera kaalae Opuhe U.S.A. (HI) E 448 UrticaceaeNA NVernonia proctorii None U.S.A. (PR) E 501 AsteraceaeNA NVicia menziesii Hawaiian vetch U.S.A. (HI) E 39 Fabaceae NA NVigna o-wahuensis None U.S.A. (HI) E 559 Fabaceae NA NViola chamissoniana ssp. chamissoniana Pamakani U.S.A. (HI) E 448 Violaceae NA NViola helenae None U.S.A. (HI) E 436 Violaceae NA NViola lanaiensis None U.S.A. (HI) E 435 Violaceae NA NWarea amplexifolia Wide-leaf warea U.S.A. (FL) E 266 BrassicaceNA NWarea carteri Carter's mustard U.S.A. (FL) E 256 BrassicaceNA NWilkesia hobdyi Dwarf iliau U.S.A. (HI) E 473 AsteraceaeNA NXylosma crenatum None U.S.A. (HI) E 464 FlacourtiaNA NXyris tennesseensis Tennessee yellow-eyed grass U.S.A. (AL, GA, TN) E 430 XyridaceaeNA NZanthoxylum hawaiiense A`e U.S.A. (HI) E 532 Rutaceae NA NZanthoxylum thomasianum St. Thomas prickly-ash U.S.A. (PR, VI) E 213 Rutaceae NA NZizania texana Texas wild-rice U.S.A. (TX) E 39 Poaceae 17.96(a) NZiziphus celata Florida ziziphus U.S.A. (FL) E 356 RhamnaceaeNA NConifers And Cycads Abies guatemalensis Pinabete or Guatemalan fir Mexico, Guatemala, Honduras, El Salvador T 84 Pinaceae NA NCupressus abramsiana Santa Cruz cypress U.S.A. (CA) E 252 CupressaceNA NFitzroya cupressoides Chilean false larch (=alerce) Chile, Argentina T 79 CupressaceNA NTorreya taxifolia Florida torreya U.S.A. (FL, GA) E 140 Taxaceae NA NFerns And Allies Adenophorus periens Pendant kihi fern U.S.A. (HI) E 559 GrammitidaNA NAdiantum vivesii None U.S.A. (PR) E 504 AdiantaceaNA NAsplenium (=Phyllitis) scolopendrium (=japonica) var. americanum American hart's-tongue fern U.S.A. (AL, MI, NY, TN), Canada (Ont.) T 354 AspleniaceNA NAsplenium fragile var. insulare None U.S.A. (HI) E 553 AspleniaceNA NCtenitis squamigera Pauoa U.S.A. (HI) E 553 AspleniaceNA NCyathea dryopteroides Elfin tree fern U.S.A. (PR) E 277 CyatheaceaNA NDiellia erecta Asplenium-leaved diellia U.S.A. (HI) E 559 AspleniaceNA NDiellia falcata None U.S.A. (HI) E 448 AspleniaceNA NDiellia pallida None U.S.A. (HI) E 530 AspleniaceNA NDiellia unisora None U.S.A. (HI) E 541 AspleniaceNA NDiplazium molokaiense None U.S.A. (HI) E 553 AspleniaceNA NElaphoglossum serpens None U.S.A. (PR) E 504 LomariopsiNA NHuperzia (=Lycopodium) mannii Wawa`iole U.S.A. (HI) E 467 LycopodiacNA NIsoetes louisianensis Louisiana quillwort U.S.A. (LA) E 482 IsoetaceaeNA NIsoetes melanospora Black-spored quillwort U.S.A. (GA, SC) E 302 IsoetaceaeNA NIsoetes tegetiformans Mat-forming quillwort U.S.A. (GA) E 302 IsoetaceaeNA NLycopodium nutans Wawae`iole U.S.A. (HI) E 536 LycopodiacNA NMarsilea villosa `Ihi`ihi U.S.A. (HI) E 474 MarsileaceNA NPolystichum aleuticum Aleutian shield-fern (=Aleutian holly-fern) U.S.A. (AK) E 305 DryopteridNA NPolystichum calderonense None U.S.A. (PR) E 504 DryopteridNA NPteris lidgatei None U.S.A. (HI) E 553 AdiantaceaNA NTectaria estremerana None U.S.A. (PR) E 504 DryopteridNA NThelypteris (=Leptogramma) pilosa var. alabamensis Alabama streak-sorus fern U.S.A. (AL) T 476 ThelypteriNA NThelypteris inabonensis None U.S.A. (PR) E 506 ThelypteriNA NThelypteris verecunda None U.S.A. (PR) E 506 ThelypteriNA NThelypteris yaucoensis None U.S.A. (PR) E 506 ThelypteriNA NLichens Cladonia perforata Florida perforate cladonia U.S.A. (FL) E 500 CladoniaceNA NGymnoderma lineare Lichen, rock gnome U.S.A. (NC,TN) E 572 CladoniaceNA N
