All species
1149 species. Names are the accepted scientific names.
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A
- Abeliophyllum distichumWhite Forsythia · Korean Abelialeaf
- Abies albaEuropean Silver Fir · Silver Fir
- Abies amabilisBeautiful Silver-Fir · Cascade Fir · Lovley Fir
- Abies borisii-regis
- Abies cephalonica
- Abies cilicica
- Abies fabri
- Abies firma
- Abies holophylla
- Abies koreanaKorean Fir
- Abies nordmannianaCaucasian Fir · Crimean Fir · Kazazdagi Fir
- Abies pindrow
- Abies recurvata
- Abies religiosa
- Abies veitchiiChristmastree · Veitch Fir · Veitch's Silver-fir
- Abronia fragransSnowball Sand Verbena · Sweet Sand Verbena · Fragrant White Sand Verbena · Prairie Snowball
- Abronia villosaDesert Sand Verbena · Hairy Sand Verbena
- Abutilon theophrastiVelvetleaf · Buttonweed · Abutilon-hemp · American-jute · Butterprint
- Acacia iteaphyllaFlinders Ranges Wattle
- Acacia saligna
- Acaena inermis
- Acaena saccaticupula
- Acanthus hungaricus
- Acanthus mollis
- Acer pseudosieboldianum
- Acer saccharum
- Acer tataricum
- Achillea millefoliumBloodwort · Carpenter's Weed · Common Yarrow
- Achlys triphylla
- Aciphylla aureaGolden Spaniard · Golden Speargrass
- Aciphylla dobsonii
- Aciphylla verticillata
- Ackama rosifolia
- Aconitum heterophyllum
- Actaea erythrocarpaRed Baneberry
- Actaea pachypodaWhite Baneberry · Baneberry · Doll's-eyes
- Actaea rubraRed Baneberry · Chinaberry · Baneberry · Snakeberry
- Actaea spicataBaneberry · Herb Christopher · Eurasian Baneberry
- Actinidia chinensisChinese Gooseberry · Chinese Soft-hair Kiwi · Golden Kiwi
- Adenium obesumDesert Rose · Impala Lily · Mock Azalea
- Adenophora farreri
- Adenophora liliifoliaLily-leaf Ladybell · Lilyleaf Ladybells
- Adenophora pereskiifoliaManchurian Ladybell · Serrate Ladybell
- Adenophora potaninii
- Adenophora tashiroiJejudo Ladybell
- Adenophora triphyllaThree-leaf Ladybell · Whorled-leaf Ladybell · Giant-bellflower
- Adenostoma fasciculatum
- Adlumia fungosaAllegheny Vine · Canary Vine · Climbing Fumitory
- Aeonium simsii
- Aesculus hippocastanumConker-tree · European Horse Chestnut · Horse Chestnut
- Aesculus paviaRed Buckeye · Firecracker Plant · Red Horse-chestnut
- Aethionema grandiflorumPersian Candytuft · Persian Stonecress
- Agalinis setaceaThreadleaf False Foxglove
- Agapanthus africanusAfrican Lily · Agapanthus · Blue Lily
- Agastache nepetoides
- Agastache urticifolia
- Agave virginica
- Agrimonia eupatoria
- Aichryson divaricatum
- Ajania tibeticaTibetan Tansy
- Ajuga chamaepitysGround Pine · Yellow Bugle · Ground-pine Bugle
- Alangium platanifolium
- Albuca aurea
- Albuca canadensis
- Alcea rosea
- Alchemilla mollisGarden Lady's-mantle · Lady's Mantle · Soft Lady's-mantle
- Alchemilla saxatilis
- Aletris farinosaAgueroot · Colicroot · Crow-corn
- Aliciella formosa
- Allardia glabra
- Allardia stoliczkae
- Allardia tomentosa
- Allium cristophii
- Allium falcifolium
- Allium gooddingii
- Allium karataviense
- Allium moly
- Allium unifolium
- Alonsoa linearis
- Alonsoa meridionalisCut-leaf Maskflower · Maskflower
- Alophia drummondiiPinewoods Lily · Propeller Flower · Purple Pleatleaf
- Alstroemeria umbellata
- Alyssoides utriculataBladderpod · Greek Bladderpod
- Alyssum saxatile
- Amelanchier laevis
- Amelanchier stolonifera
- Amsonia tabernaemontana
- Amsonia tomentosa
- Anchusa azurea
- Anchusa officinalis
- Androsace laggeri
- Androsace lanuginosa
- Androsace mucronifolia
- Androsace muscoidea
- Androsace obtusifolia
- Androsace sarmentosa
- Androsace sericea
- Androsace spinulifera
- Androsace villosa
- Androstoma empetrifolia
- Anemonastrum baicalense
- Anemonastrum demissum
- Anemonastrum narcissiflorum
- Anemonastrum tetrasepalum
- Anemone lesseri
- Anemone multifida
- Anemone ranunculoides
- Anemonopsis macrophylla
- Angelica gigas
- Angelica grayi
- Anigozanthos flavidus
- Anigozanthos manglesii
- Anisotome aromatica
- Anisotome haastii
- Anthriscus cerefolium
- Anticlea elegansMountain Death Camas
- Anticlea occidentalis
- Aquilegia elegantula
- Aquilegia eximia
- Aquilegia flabellata
- Aquilegia formosa
- Aquilegia fragrans
- Aquilegia laramiensis
- Aquilegia saximontana
- Aquilegia scopulorum
- Aquilegia skinneri
- Arbutus menziesii
- Arctostaphylos nevadensis
- Arctostaphylos patula
- Arctostaphylos pungens
- Arenaria tmolea
- Argemone grandiflora
- Argemone hispida
- Argemone munita
- Argylia adscendens
- Argyreia nervosa
- Arisaema consanguineum
- Arisaema flavum
- Arisaema nepenthoides
- Arisaema thunbergii
- Arisaema tortuosum
- Arthropodium cirrhatum
- Arum concinnatum
- Arum cyrenaicum
- Arum dioscoridis
- Arum italicum
- Arum maculatum
- Arum nigrum
- Asclepias quadrifolia
- Asimina triloba
- Asperula arvensis
- Asperula orientalis
- Asperula tinctoria
- Asphodeline brevicaulis
- Asphodeline liburnica
- Asphodeline lutea
- Asphodelus aestivus
- Asphodelus albus
- Asphodelus cerasifer
- Asphodelus fistulosus
- Asphodelus ramosus
- Aster alpinus
- Astragalus whitneyi
- Astrantia carniolica
- Astrantia involucrata
- Astrantia major
- Astrantia minor
- Asyneuma limonifolium
- Athamanta turbith
- Atriplex canescens
- Aucuba japonica
- Aulospermum aboriginum
- Averrhoa carambola
B
- Babiana tubulosa
- Baeometra uniflora
- Ballota pseudodictamnusFalse Dittany · False Divinity · Greek Horehound
- Balsamorhiza hookeriHooker's Balsamroot · Hairy Balsamroot · Cutleaf Balsamroot
- Balsamorhiza sagittataArrowleaf Balsamroot · Arrow-leaved Balsamroot
- Banksia formosa
- Banksia serra
- Barbarea vulgaris
- Barnardia japonica
- Begonia grandis
- Begonia picta
- Bellevalia romana
- Berardia lanuginosa
- Berlandiera lyrata
- Berzelia galpinii
- Berzelia lanuginosa
- Berzelia rubra
- Beschorneria yuccoides
- Betula pubescens
- Billardiera longiflora
- Biscutella coronopifolia
- Blephilia hirsuta
- Blitum virgatum
- Bloomeria crocea
- Boenninghausenia albiflora
- Bolboschoenus caldwellii
- Bolboschoenus fluviatilis
- Brachyglottis bellidioides
- Brimeura amethystina
- Brugmansia suaveolens
- Bulbine annua
- Bulbine bulbosa
- Bulbine caulescens
- Bulbine frutescens
- Bupleurum fruticescens
- Bupleurum longifolium
- Bupleurum ranunculoides
- Butomus umbellatus
C
- Caiophora coronataOrtiguilla
- Caiophora lateritiaBrick-Red Caiophora · Chile Nettle · Red-Flowered Loasa
- Calandrinia caespitosa
- Calandrinia umbellata
- Callicarpa dichotoma
- Callitris canescens
- Calluna vulgaris
- Calochortus kennedyi
- Caltha biflora
- Calycocarpum lyonii
- Calydorea amabilis
- Calydorea nuda
- Calydorea pallens
- Calydorea xiphioides
- Calyptridium umbellatum
- Campanula coriacea
- Campanula dasyantha
- Campanula glomerata
- Campanula grandis
- Campanula incurva
- Campanula latifolia
- Campanula lyrata
- Campanula medium
- Campanula pallida
- Campanula pyramidalis
- Campanula scabrella
- Campanula spicata
- Campanula vidalii
- Cannabis sativa
- Capnoides sempervirens
- Capparis spinosa
- Capsicum annuum
- Capsicum frutescens
- Cardamine concatenata
- Cardamine pensylvanica
- Cardiocrinum cordatum
- Cardiocrinum giganteum
- Cardiospermum halicacabum
- Carex punicea
- Carex retrorsa
- Carthamus tinctorius
- Cassiope fastigiata
- Castilleja miniata
- Castilleja parviflora
- Catalpa bignonioides
- Cathcartia betonicifolia
- Cautleya spicata
- Cedrus atlantica
- Centranthus ruber
- Cerastium fontanum
- Cercocarpus betuloides
- Cercocarpus intricatus
- Cerinthe major
- Cestrum nocturnum
- Chamaechaenactis scaposa
- Chasmanthe floribunda
- Chelidonium majus
- Cherleria biflora
- Cherleria laricifolia
- Chilopsis linearis
- Chrysojasminum humileItalian Jasmine · Yellow Jasmine · Italian Yellow Jasmine
- Cicer arietinum
- Cistanthe grandifloraDoquilla · Hierba del corrimiento · Mármol · Pata de guanaco · Renilla
- Cistus laurifolius
- Clematicissus striata
- Clematis addisonii
- Clematis albicoma
- Clematis alpina
- Clematis coactilis
- Clematis connata
- Clematis crispa
- Clematis forsteri
- Clematis hirsutissima
- Clematis integrifolia
- Clematis lanuginosa
- Clematis tibetana
- Clematis viorna
- Clethra alnifolia
- Clinopodium album
- Clinopodium alpinum
- Clintonia andrewsiana
- Clintonia umbellulata
- Cobaea scandens
- Cochlearia officinalis
- Codonopsis clematidea
- Collomia biflora
- Collomia grandiflora
- Conanthera bifolia
- Conimitella williamsii
- Coprosma acerosa
- Coprosma atropurpurea
- Coprosma rhamnoides
- Coriaria terminalis
- Cornus florida
- Corydalis cheilanthifolia
- Costus guanaiensis
- Cotoneaster dammeri
- Cotoneaster horizontalis
- Cotoneaster microphyllus
- Cotyledon orbiculata
- Crambe cordifolia
- Craspedia incana
- Cratoxylum cochinchinense
- Cremanthodium ellisii
- Crepis sibirica
- Crocosmia aurea
- Cuphea ignea
- Cyclamen persicum
- Cymbalaria muralis
- Cynanchum acutum
- Cynoglossum amabile
- Cyperus papyrus
- Cytisus decumbens
D
- Daphne caucasica
- Daphne mezereum
- Darlingtonia californica
- Darmera peltata
- Datura stramoniumJimsonweed · Common Thorn-apple · Jamestown Weed
- Daubenya aurea
- Daucus carotaQueen Anne's Lace · Wild Carrot · Carrot
- Daucus carota subsp. sativusCarrot · Carrot Family · Umbellifer
- Delphinium consolida
- Delphinium elatum
- Delphinium geraniifolium
- Delphinium glaucum
- Delphinium grandiflorum
- Delphinium oreophilum
- Delphinium tenuisectum
- Delphinium tricorne
- Dendrocalamus asper
- Dendrocalamus membranaceus
- Desmanthus illinoensis
- Dianella intermedia
- Dianthus superbus
- Dicentra cucullaria
- Dicentra eximia
- Dieteria bigelovii
- Dietes grandiflora
- Digitalis canariensis
- Digitalis grandiflora
- Digitalis lutea
- Digitalis viridiflora
- Dioscorea communisBlack Bryony · Black Bindweed
- Dioscorea quaternata
- Diospyros texana
- Diospyros virginiana
- Diplacus grandiflorus
- Diplarrhena moraea
- Dipsacus fullonum
- Discaria toumatou
- Disporum lanuginosum
- Dodecatheon alpinum
- Dodecatheon amethystinum
- Dodecatheon pulchellum
- Dolichandra unguis-cati
- Draba acaulis
- Draba bruniifolia
- Draba cretica
- Draba doerfleri
- Draba hoppeana
- Draba hyperborea
- Draba incerta
- Dracocephalum tanguticum
- Dracunculus vulgaris
- Drosera anglica
- Drosera burkeana
- Dryas sundermannii
- Drymophila cyanocarpa
- Dudleya cymosa
E
- Eccremocarpus scaber
- Echeandia flavescens
- Echinocereus pectinatusRainbow Cactus · Arizona Hedgehog Cactus · Comb Hedgehog Cactus · Spiny Hedgehog Cactus
- Echinocereus reichenbachiiLace Hedgehog Cactus · Lace Cactus · Reichenbach's Hedgehog Cactus · Classen's Cactus
- Echinocereus triglochidiatusKingcup Cactus · Claret-cup Hedgehog Cactus · Claretcup Cactus · Claret-cup Hedgehog
- Echinocereus viridiflorusNylon Hedgehog Cactus · Green Pitaya · Green-flower Hedgehog Cactus
- Edraianthus pumilio
- Endodeca serpentaria
- Epilobium anagallidifolium
- Epilobium canum subsp. garrettiiHummingbird Trumpet · Garrett's California Fuchsia · Garrett's Firechalice
- Epilobium canum subsp. latifoliumHummingbird Trumpet · Hummingbird-flower
- Epilobium palustre
- Eranthis hyemalis
- Eremurus altaicus
- Eremurus robustus
- Eriastrum densifolium
- Erica spiculifolia
- Erigeron compositus
- Erigeron elegantulus
- Erigeron flabellifolius
- Erigeron flettii
- Erinus alpinus
- Eriogonum bicolor
- Eriogonum brevicaule
- Eriogonum caespitosum
- Eriogonum compositum
- Eriogonum douglasii
- Eriogonum ericifolium
- Eriogonum flavum
- Eriogonum marifolium
- Eriogonum niveum
- Eriogonum ovalifolium
- Eriogonum shockleyi
- Eriogonum sphaerocephalum
- Eriogonum strictum
- Eriogonum tumulosum
- Eriolarynx australis
- Eriophyllum lanatum
- Erysimum capitatum
- Erysimum kotschyanum
- Erythranthe lewisii
- Erythranthe lutea
- Erythronium americanum
- Erythronium grandiflorum
- Erythronium hendersonii
- Erythronium revolutum
- Erythronium sibiricum
- Eubotrys racemosa
- Euonymus phellomanus
- Euphorbia franchetii
- Euphorbia myrsinites
- Euphorbia wulfenii
- Eustoma russellianum
- Evotrochis verticillata
F
- Fallugia paradoxa
- Farinopsis salesoviana
- Ferocactus cylindraceusCalifornia Barrel Cactus · Compass Barrel
- Ferocactus wislizeniCandy Barrelcactus · Fishhook Barrel Cactus
- Ferraria crispa
- Ferula communisGiant Fennel
- Fibigia clypeataRoman Shields · Silver Shield
- Ficus carica
- Filipendula ulmariaMeadowsweet · Queen Of The Meadow · Bridewort · European Meadowsweet · Queen of the Meadow
- Flueggea suffruticosa
- Foeniculum vulgare
- Forsythia suspensaWeeping Forsythia · Golden Bell Tree · Golden-bell · Forsythia
- Fouquieria splendens
- Frasera fastigiata
- Fraxinus anomala
- Fraxinus hybrida
- Freesia laxaAnomatheca · False Freesia · Scarlet Freesia · Scarlet Kammetjie
- Fritillaria acmopetala
- Fritillaria gentneri
- Fritillaria imperialis
- Fritillaria meleagris
- Fritillaria pontica
- Fritillaria sewerzowii
- Fritillaria tubiformis
- Fumana laevis
G
- Gagea serotinaAlpine Lily · Common Alp Lily · Common Alpine-lily · Golden Alpine Lily · Snowdon Lily
- Gaillardia aristataBlanket Flower · Common Blanketflower · Blanket-flower · Common Gaillardia · Brown-eyed Susan
- Galanthus elwesiiGiant Snowdrop · Elwes's Snowdrop · Greater Snowdrop · Caucasian Snowdrop
- Galanthus nivalisSnowdrop · Candlemas Bells · Bucaneve · Common Snowdrop · Flower of Hope
- Galeopsis speciosa
- Galitzkya macrocarpa
- Gaultheria depressa
- Gaultheria hispida
- Gaultheria macrostigma
- Gaultheria trichophylla
- Geissorhiza aspera
- Geissorhiza eurystigma
- Geissorhiza juncea
- Gelasine elongata
- Genista occidentalis
- Gentiana asclepiadea
- Gentianella germanica
- Gentianopsis barbellata
- Geranium pratense
- Geranium sylvaticum
- Geum coccineum
- Geum montanum
- Gladiolus anatolicus
- Gladiolus kotschyanus
- Gladiolus murielaeAbyssinian Gladiolus · Acidanthera · Peacock Gladiolus
- Glaucidium palmatum
- Globularia nudicaulis
- Globularia trichosantha
- Gloriosa superba
- Gomphrena haageana
- Grevillea buxifolia
- Gymnospermium altaicum
- Gypsophila pacifica
H
- Hackelia bella
- Hebe guthrieana
- Hedeoma hispida
- Hedlundia armeniaca
- Hedysarum cephalotes
- Helianthemum ledifoliumSpotted Rock Rose
- Helianthemum nummulariumRock Rose · Common Rock Rose · Common Rock-Rose
- Helianthemum oelandicumHoary Rock Rose
- Helianthemum salicifoliumWillowleaf Frostweed · Willow-leaved Rock Rose
- Helleborus argutifolius
- Helleborus niger
- Helleborus orientalis
- Hepatica americana
- Hepatica nobilis
- Herbertia lahue
- Hesperochiron californicus
- Hesperoyucca whippleiChaparral Yucca · Our Lord's Candle · Spanish Bayonet
- Heterotheca fulcrata
- Heuchera hallii
- Heuchera richardsonii
- Hieracium maculatum
- Hippophae salicifolia
- Houstonia caerulea
- Houstonia rubraRed Bluet
- Houstonia wrightiiPygmy Bluet
- Hulsea algida
- Humulus lupulus
- Hyacinthoides hispanica
- Hydrangea bifida
- Hydrangea paniculata
- Hydrophyllum capitatum
- Hylomecon japonicum
- Hymenocrater bituminosus
- Hymenoxys grandiflora
- Hymenoxys subintegra
- Hypericum choisyanum
- Hypericum olympicum
- Hypericum prolificum
- Hypoxis hirsuta
I
- Ibicella lutea
- Ilex mucronata
- Ilex serrata
- Impatiens balfourii
- Impatiens balsamina
- Impatiens scabrida
- Incarvillea diffusa
- Incarvillea mairei
- Incarvillea olgaePrincess Trumpet-Flower
- Indigofera heteranthaHimalayan Indigo
- Inula ensifoliaSwordleaf Inula
- Inula obtusifoliaBluntleaf Inula
- Inula rhizocephala
- Ipheion uniflorum
- Ipomoea leptophylla
- Ipomopsis aggregata
- Ipomopsis rubra
- Ipomopsis spicata
- Iris acutiloba
- Iris albomarginata
- Iris aucheri
- Iris baldshuanica
- Iris bracteata
- Iris bucharica
- Iris bulleyana
- Iris cycloglossa
- Iris darwasica
- Iris decora
- Iris foetidissima
- Iris germanica
- Iris halophila
- Iris hoogiana
- Iris innominata
- Iris kuschakewiczii
- Iris magnifica
- Iris mandshurica
- Iris milesii
- Iris pumila
- Iris ruthenica
- Iris sintenisii
- Iris spuria
- Iris stenophylla
- Iris subdecolorata
- Iris taochia
- Iris tuberosa
- Iris typhifolia
- Iris unguicularis
- Iris versicolor
- Iris vicaria
- Iris wilsonii
- Isatis tinctoria
- Itea virginica
- Ixia paniculata
- Ixia viridiflora
J
- Jacaranda mimosifoliaJacaranda · Blue Jacaranda · Black Poui · Fern Tree · Blue Brazilian · Brazilian Rosewood
- Jamesia americana
- Jasione crispaDwarf Sheep's-bit
- Jeffersonia diphyllaTwinleaf · Blue Twinleaf · Ground Squirrel Pea · Helmet Pod · Rheumatism Root · Manchuria
- Juglans nigra
- Juniperus horizontalis
- Jurinea moschus
K
- KalanchoeKalanchoe · Widow's-thrill
- Kalmia angustifoliaSheep Laurel · Lambkill · Dwarf Laurel · Wicky
- Kalmia cuneataWhite Wicky
- Kalmia hirsutaHairy Laurel · Hairy Wicky · Sandhill Laurel
- Kalmia latifoliaMountain Laurel · Calico Bush · Ivybush · Clamoun
- Kalmia microphyllaAlpine Laurel · Bog Laurel · Western Bog Laurel
- Kalmia polifoliaBog Laurel · Pale Laurel · Swamp Laurel
- Kigelia africana
- Kirengeshoma palmataYellow Wax Bells · Yellow Waxbells
- Knautia macedonica
- Koelreuteria paniculataGolden Rain Tree · Pride of India · Panicled Goldenrain Tree · Golden-Rain Tree
- Kolkwitzia amabilisBeauty Bush · Beautybush · Cold-whiskey-plant
- Kunzea baxteriScarlet Kunzea
- Kunzea ericifolia
L
- Laburnum × watereriGolden Chain Tree · Bean Tree
- Lachenalia algoensis
- Lachenalia aloides
- Lachenalia bulbifera
- Lachenalia corymbosa
- Lachenalia elegans
- Lachenalia ensifolia
- Lachenalia glaucina
- Lachenalia liliiflora
- Lachenalia mediana
- Lachenalia nervosa
- Lachenalia orchioides
- Lachenalia orthopetala
- Lachenalia pallida
- Lachenalia reflexa
- Lachenalia rosea
- Lachenalia unicolor
- Lagotis ikonnikovii
- Lagotis uralensis
- Lallemantia canescens
- Lamium maculatumSpotted Dead-nettle · Spotted Henbit
- Lamprocapnos spectabilis
- Larix kaempferiJapanese Larch
- Larrea tridentataCreosote Bush · Greasewood
- Lepidium sativum
- Leptinella pyrethrifolia
- Leucocrinum montanum
- Leucojum aestivum
- Leucojum vernum
- Lewisia brachycalyx
- Leycesteria formosa
- Liatris spicata
- Libertia chilensis
- Libertia grandiflora
- Libertia peregrinans
- Ligularia amplexicaulis
- Ligularia dentata
- Lilium michauxii
- Limnanthes douglasii
- Linanthus watsonii
- Linum catharticum
- Linum kingii
- Linum komarovii
- Linum perenne
- Liriodendron tulipifera
- Lithotoma axillaris
- Lobelia anatina
- Lobelia angulata
- Lobelia boykinii
- Lobelia erinus
- Lobelia sessilifolia
- Lobelia tupa
- Lomatium nuttallii
- Lonicera obovata
- Lonicera tatarica
- Lotus rectus
- Luetkea pectinata
- Luzula nivea
- Lyonia mariana
- Lysichiton americanus
- Lysimachia punctata
M
- Machaeranthera tanacetifoliaTahoka Daisy · Tansyleaf Tansyaster · Tansy-aster
- Macleaya cordataPlume Poppy · Five-seed Plume-poppy · Tree Celandine · Five-seeded Plume-poppy
- Maclura pomiferaOsage Orange · Bodark · Hedge Apple · Monkey Ball · Mock Orange
- Magnolia denudata
- Magnolia sieboldiiOyama Magnolia · Korean Mountain Magnolia
- Magnolia wilsoniiWilson's Magnolia
- Mahonia japonica
- Malus baccata
- Mandevilla laxa
- Mandragora officinalis
- Meconopsis aculeata
- Melasphaerula graminea
- Melicytus alpinus
- Melissa officinalis
- Mentha requienii
- Mentha spicata
- Mentzelia chrysantha
- Mentzelia decapetala
- Mentzelia nuda
- Mertensia bakeri
- Mertensia cana
- Mertensia lanceolata
- Meum athamanticum
- Micromeria juliana
- Mimulus ringens
- Misopates orontium
- Mitchella repens
- Monarda citriodora
- Monarda didyma
- Monardella odoratissima
- Moraea setifolia
- Moraea simulans
- Morina longifolia
- Muscari azureum
- Muscari comosum
- Muscarimia macrocarpa
- Mussaenda roxburghii
- Myosotis asiatica
- Myrsine nummularia
N
- Nama rothrockii
- Nandina domesticaHeavenly Bamboo · Nandina · Sacred Bamboo · Chinese-bamboo
- NarcissusDaffodil · Narcissus · Garden Daffodil
- Narthecium ossifragum
- Nasturtium officinaleWatercress
- Nemastylis tenuis
- Nemesia umbonata
- Nepeta floccosa
- Nepeta glutinosa
- Nerium oleander
- Nicandra physalodes
- Nigella damascena
- Nigella hispanica
- Nigella orientalis
- Noccaea vesicaria
- Nonea echioides
- Notholithocarpus densiflorus
- Notothlaspi rosulatum
- Nyctanthes arbor-tristis
O
- Ocimum basilicumBasil · Sweet Basil
- Oenothera albicaulisWhitest Evening Primrose · Prairie Evening Primrose
- Oenothera argillicolaShale Barren Evening Primrose
- Oenothera biennisCommon Evening Primrose · German Rampion · Evening Primose · Evening Primrose
- Oenothera brachycarpaShortfruit Evening Primrose
- Oenothera cespitosaTufted Evening Primrose
- Oenothera cheiranthifoliaBeach Evening Primrose
- Oenothera hartwegii subsp. fendleriFendler's Sundrops · Hartweg's Sundrops
- Oenothera pallidaPale Evening Primrose
- Oenothera serrulataYellow Sundrops · Plains Yellow Primrose · Toothed Evening Primrose · Serrate-leaved Evening-primrose · Tooth-leaved Primrose
- Oenothera speciosaPink Evening Primrose · Showy Evening Primrose · Pinkladies · Mexican Evening Primrose · Pink Buttercups
- Oenothera suffrutescens
- Oenothera tetragonaYellow Sundrops · Narrowleaf Evening Primrose
- Oenothera trilobaStemless Evening Primrose · Sessile Evening Primrose
- Oenothera xylocarpaWoodyfruit Evening Primrose · Sierra Evening Primrose
- Olsynium douglasii
- Omalotheca supina
- Omphalodes cappadocica
- Onosma armena
- Onosma nana
- Onosma stellulata
- Onosma taurica
- Opuntia tuna
- Oreocarya paradoxa
- Oreocarya thompsonii
- Oreocharis billburttii
- Ornithogalum candicans
- Ornithogalum umbellatum
- Orostachys malacophylla
- Orthrosanthus chimboracensis
- Osbeckia stellata
- Ostrya virginiana
- Ourisia macrophylla
- Ourisia polyantha
- Oxytropis humifusa
- Oxytropis multiceps
- Oxytropis williamsii
P
- Pachystegia minor
- Paeonia anomalaAnomalous Peony
- Paeonia broteri
- Paeonia browniiBrown's Peony · Western Peony
- Paeonia cambessedesii
- Paeonia delavayiDelavay's Tree Peony · Yellow Tree Peony · Dian Mu Dan · Tree Peony
- Paeonia emodiHimalayan Peony
- Paeonia mlokosewitschii
- Paeonia obovataWoodland Peony · Chinese Peony
- Paeonia officinalisCommon Peony · European Peony · Garden Peony
- Paeonia × suffruticosaTree Peony · Moutan Peony
- Pancratium maritimum
- Pandorea jasminoides
- Papaver alpinum
- Papaver cambricum
- Papaver lapponicum
- Papaver pilosum
- Papaver somniferum
- Parnassia fimbriata
- Parnassia glauca
- Parnassia palustris
- Parrotia persica
- Parrotiopsis jacquemontiana
- Parrya schugnana
- Pedicularis rainierensis
- Pediocactus simpsonii
- Pennellianthus frutescens
- Penstemon acaulis
- Penstemon acuminatus
- Penstemon angustifolius
- Penstemon arenicola
- Penstemon barbatus
- Penstemon breviculus
- Penstemon caespitosus
- Penstemon cobaea
- Penstemon crandallii
- Penstemon dolius
- Penstemon eatonii
- Penstemon eriantherus
- Penstemon flowersii
- Penstemon gairdneri
- Penstemon globosus
- Penstemon goodrichii
- Penstemon hallii
- Penstemon harbourii
- Penstemon heterophyllus
- Penstemon humilis
- Penstemon jamesii
- Penstemon janishiae
- Penstemon lemhiensis
- Penstemon lentus
- Penstemon lyalli
- Penstemon moffattii
- Penstemon monoensis
- Penstemon montanus
- Penstemon pachyphyllus
- Penstemon paysoniorum
- Penstemon secundiflorus
- Penstemon speciosus
- Penstemon teucrioides
- Penstemon uintahensis
- Penstemon utahensis
- Penstemon whippleanus
- Periploca graeca
- Petalonyx nitidus
- Petrophytum caespitosum
- Phacelia bipinnatifida
- Phacelia campanularia
- Phacelia grandiflora
- Phacelia sericea
- Phalocallis coelestis
- Phemeranthus calycinusLargeflower Fameflower · Fameflower · Large-flowered Fameflower
- Phemeranthus sediformisOkanogan Fameflower · Okanagan Fameflower · Okanagan Talinum
- Phemeranthus spinescensSpiny Fameflower
- Phemeranthus teretifoliusQuill Fameflower · Appalachian Rock-pink · Eastern Fameflower
- Phlomis fruticosa
- Phlomis samia
- Phlomoides tuberosa
- Phlox diffusa
- Phlox glaberrima
- Phlox hoodii
- Phlox longifolia
- Phlox multiflora
- Phlox pilosa
- Phlox pulchra
- Phlox pulvinata
- Phlox speciosa
- Phoenicaulis cheiranthoides
- Phormium tenax
- Phygelius aequalis
- Phygelius capensis
- Phyllodoce caerulea
- Phyllodoce nipponica
- Phyllostachys edulis
- Physaria newberryi
- Physostegia virginiana
- Phyteuma serratum
- Picea abies
- Picea pungens
- Pieris japonica
- Pimelea prostrata
- Pinellia ternata
- Pinguicula vulgaris
- Pinnasa nana
- Pinus elliottii
- Pittosporum crassicaule
- Plagiorhegma dubiumAsian Twinleaf
- Plantago virginica
- Platycodon grandiflorus
- Plocama calabrica
- Plumeria emarginata
- Polemonium acutiflorum
- Polemonium caeruleum
- Polemonium chartaceum
- Polemonium pulcherrimum
- Polemonium viscosum
- Polygala calcarea
- Polygala senega
- Polygaloides paucifolia
- Polygonatum humile
- Portulaca pilosa
- Potentilla argyrophylla
- Potentilla indica
- Potentilla megalantha
- Potentilla recta
- Pourthiaea villosa
- Primula bullata
- Primula bulleyana
- Primula buryana
- Primula cockburniana
- Primula elatior
- Primula flexuosa
- Primula florindae
- Primula frondosa
- Primula geraniifolia
- Primula iljinskii
- Primula luteola
- Primula nevadensis
- Primula pulverulenta
- Primula rotundifolia
- Primula sieboldii
- Primula specuicola
- Primula violacea
- Primula warshenewskiana
- Prometheum pilosum
- Prunus avium
- Prunus serotina
- Pseudofumaria lutea
- Psidium guajava
- Psychotria nervosa
- Pterostyrax hispidus
- Pulsatilla campanella
- Pulsatilla grandis
- Pulsatilla occidentalis
- Pulsatilla wallichiana
- Pyrus pyrifolia
- Pyxidanthera barbulata
Q
- Quercus albaWhite Oak · Stave Oak · Eastern White Oak
- Quercus coccineaScarlet Oak
- Quercus phellosWillow Oak
- Quercus rubraRed Oak · Northern Red Oak · Champion Oak
- Quercus virginiana
R
- Ramonda heldreichii
- Ramonda myconiPyrenean Violet · Pyrenean Ramonda
- Ranunculus acrisMeadow Buttercup · Tall Buttercup · Common Buttercup
- Ranunculus adoneusAlpine Buttercup · Snow Buttercup
- Ranunculus gramineus
- Ranunculus hispidusBristly Buttercup · Rough Buttercup · Hispid Buttercup
- Ranunculus illyricusIllyrian Buttercup
- Ranunculus lyalliiMount Cook Buttercup · Mount Cook Lily · Mountain Lily
- Ranunculus repensCreeping Buttercup · Creeping Crowfoot · Double-flowered Creeping Buttercup
- Rehmannia elata
- Reseda odorata
- Rheum compactum
- Rheum ribes
- Rheum tibeticum
- Rhodiola integrifolia
- Rhododendron anthopogon
- Rhododendron groenlandicum
- Rhododendron lepidotum
- Rhodolirium andicola
- Rhodolirium montanum
- Rhodotypos scandens
- Rorippa islandica
- Rosa alba
- Rosa gallica
- Rosa paulii
- Rosa virginiana
- Roscoea alpina
- Rubus odoratus
- Rumex acetosella
- Rumex alpinus
- Rumex crispus
- Rupicapnos africana
- Ruta corsica
- Ruta graveolens
S
- Sabal minorDwarf Palmetto · Bluestem Palmetto · Latanier · Blue-stem Palmetto
- Sabatia kennedyanaPlymouth Rose Gentian · Plymouth Gentian · Large Sabatia
- Sagittaria latifolia
- Salix cascadensisCascade Willow
- SalpiglossisPainted Tongue
- Salvia abrotanoides
- Salvia argenteaSilver Sage
- Salvia candidissima
- Salvia cyanescensTurkish Lilac Sage
- Salvia dumetorumEastern Meadow Sage
- Salvia glutinosaJupiter's Distaff · Sticky Clary · Sticky Sage
- Salvia hiansHimalayan Blue Sage
- Salvia huberi
- Salvia moorcroftianaLadakhi Sage
- Salvia officinalisCommon Sage · Culinary Sage · Kitchen Sage · Golden Sage
- Salvia repens
- Salvia sclareaClary Sage · Clary · Clary-Sage · Europe Sage
- Sambucus canadensis
- Sambucus nigra
- Sambucus racemosa
- Sandersonia aurantiaca
- Sanguisorba officinalis
- Sauromatum venosum
- Saxifraga aizoides
- Saxifraga caesia
- Saxifraga chrysantha
- Saxifraga cotyledon
- Saxifraga flagellaris
- Saxifraga hirculus
- Saxifraga oppositifolia
- Scabiosa pyrenaica
- Schizopetalon walkeri
- Scilla rosenii
- Scleranthus biflorus
- Scleranthus uniflorus
- Scutellaria integrifolia
- Scutellaria novae-zelandiae
- Sedum stelliforme
- Senecio amplectens
- Senecio aureus
- Sequoiadendron giganteum
- Seseli gummiferum
- Shoshonea pulvinata
- Sibbaldia procumbens
- Sideritis hyssopifolia
- Silene argaea
- Silene caroliniana
- Silene colorata
- Silene delavayi
- Silene dioica
- Silene flos-cuculi
- Silene flos-jovis
- Silene laciniata
- Silene latifolia
- Silene pendula
- Silene ruprechtii
- Silene samojedorum
- Silene wilfordii
- Sisyrinchium angustifolium
- Sisyrinchium demissum
- Sisyrinchium littorale
- Smilax ferox
- Solanum melongena
- Solanum pseudocapsicum
- Solanum sisymbriifolium
- Soldanella carpatica
- Soldanella hungarica
- Solidago spathulata
- Sophora microphylla
- Spergularia rubra
- Sphaeralcea coccinea
- Sphaeromeria capitataRock Tansy
- Spiraea canescens
- Stachys chinensis
- Stachyurus chinensis
- Stephanotis floribunda
- Streptopus roseus
- Stylidium graminifolium
- Stylomecon heterophylla
- Stypandra glauca
- Styrax obassia
- Succisella inflexa
- Swertia perennis
- Symplocarpus foetidus
- Synthyris alpina
- Synthyris pinnatifida
- Syringa reticulata
T
- Tanacetum dolichophyllum
- Tanacetum gracile
- Taraxacum officinaleCommon Dandelion · Dandelion · Blowball
- Teesdalia conferta
- Telesonix jamesii
- Tetraneuris acaulis
- Thalictrum lucidum
- Thalictrum minus
- Thalictrum petaloideum
- Thalictrum tuberosum
- Thomasia quercifolia
- Thymus incertus
- Tiarella wherryi
- Tofieldia pusilla
- Townsendia exscapa
- Toxicoscordion fremontiiFremont's Death Camas
- Trachelium rumelicum
- Trachymene caerulea
- Trachyspermum ammi
- Trifolium dasyphyllum
- Trifolium pratense
- Trillium albidum
- Trillium grandiflorum
- Trillium nivale
- Trillium ovatum
- Trillium pusillum
- Trillium undulatum
- Tritonia securigera
- Trollius acaulis
- Trollius chinensis
- Tropaeolum azureum
- Tropaeolum pentaphyllum
- Tropaeolum polyphyllum
- Tropaeolum sessilifolium
- Tropaeolum speciosum
- Tsuga canadensis
- Tulbaghia galpinii
- Tulipa clusiana
U
- Ulmus glabraWych Elm
- Umbilicus oppositifolius
- Umbilicus rupestrisNavelwort · Wall Pennywort
- Ungernia victoris
- Urtica membranacea
- Uvularia grandifloraLarge-flowered Bellwort · Largeflower Bellwort · Bellwort
V
- Vaccinium macrocarponAmerican Cranberry · Cranberry · Cramberry
- Vaccinium myrtillus
- Vaccinium nummularia
- Vaccinium vitis-idaea
- Veratrum californicumCalifornia False Hellebore · Corn Lily · California Corn Lily · California Veratrum
- Verbascum blattariaMoth Mullein · White Moth Mullein · White Mullein
- Verbascum phoeniceumPurple Mullein
- Verbena macdougalii
- Veronica aphylla
- Veronica bellidioides
- Veronica caespitosa
- Veronica chathamicaChatham Island Koromiko
- Veronica fruticans
- Veronica fruticulosa
- Veronica linifolia
- Veronica lyallii
- Veronica nipponica
- Veronica nummularia
- Veronica ponae
- Veronica tauricola
- Veronicastrum virginicum
- Viburnum acerifolium
- Viburnum carlesii
- Viburnum rhytidophyllum
- Viburnum sargentii
- Viburnum trilobum
- Viola cuneata
- Viola tricolor
W
- Wahlenbergia congesta
- Wahlenbergia gloriosa
- Waldsteinia fragarioidesBarren Strawberry · Appalachian Barren Strawberry
- Washingtonia filiferaCalifornia Fan Palm · American Cotton Palm · California Washingtonia
- Weigela floridaWeigela · Oldfashioned Weigela · Old Fashioned Weigela · Old-fashion Weigela
- Wikstroemia genkwa
- Wisteria sinensisChinese Wisteria · Chinese-glycine
- Withania somnifera
- Wulfenia carinthiaca
- Wyethia amplexicaulisMule-ears · Mule's Ear Wyethia · Northern Mule's Ears
- Wyethia arizonicaArizona Mule-ears · Arizona Mule's-ears
- Wyethia helianthoidesSunflower Mule-ears · White Mule's-ears
- Wyethia sagittata
X
- Xeranthemum annuumImmortelle · Annual Everlasting
- Xeronema callistemonPoor Knights Lily
- Xerophyllum asphodeloidesEastern Turkeybeard · Turkey Beard · Beartongue
- Xylanthemum pamiricum
Y
- Yucca baileyiNavajo Yucca · Alpine Yucca · Bailey's Yucca
- Yucca filamentosaAdam's Needle · Bear Grass · Needle-palm
- Yucca glaucaSoapweed Yucca · Beargrass · Great Plains Yucca · Spanish Bayonet
Z
- Zaluzianskya capensisNight Phlox
- Zantedeschia aethiopicaCalla Lily · Arum Lily · Altar-Lily · Arun Lily
- Zea mays
- Zephyranthes araucana
- Zephyranthes atamascoAtamasco Lily · Rain Lily
- Zephyranthes elwesii
- Zephyranthes roseaCuban Zephyrlily · Rosy Rain Lily · Fairy-lily
- Zephyranthes tubispatha
- Zizia aptera
- Zizia aureaGolden Alexander · Golden Zizia · Golden Alexanders
- Ziziphora clinopodioides subsp. bungeana
- Zygophyllum atriplicoides