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B
C
D
E
F
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I
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Z
A
Abelia (Abelia spp.)
Abutilon (Abutilon spp.) – Also known as flowering maple or Chinese lanterns
Acacia (Acacia spp.) – Also known as wattle
Acanthus (Acanthus spp.) – Also known as bear’s breeches
Acer (Acer spp.) – Also known as maple
Achillea (Achillea spp.) – Also known as yarrow
Aconitum (Aconitum spp.) – Also known as monkshood or wolfsbane
Actaea (Actaea spp.) – Also known as bugbane or baneberry
Adenium (Adenium spp.) – Also known as desert rose
Adiantum (Adiantum spp.) – Also known as maidenhair fern
Aechmea (Aechmea spp.) – A genus of bromeliads
Aesculus (Aesculus spp.) – Also known as horse chestnut or buckeye
Agapanthus (Agapanthus spp.) – Also known as African lily or lily of the Nile
Agastache (Agastache spp.) – Also known as hyssop or hummingbird mint
Agave (Agave spp.) – A genus of succulents, including the century plant
Ageratum (Ageratum spp.) – Also known as floss flower
Ajuga (Ajuga spp.) – Also known as bugleweed or carpet bugle
Alcea (Alcea spp.) – Also known as hollyhock
Alchemilla (Alchemilla spp.) – Also known as lady’s mantle
Allium (Allium spp.) – A genus of flowering plants, including onions, garlic, and ornamental varieties
Alocasia (Alocasia spp.) – Also known as elephant’s ear
Aloe (Aloe spp.) – A genus of succulents
Alstroemeria (Alstroemeria spp.) – Also known as Peruvian lily or lily of the Incas
Alternanthera (Alternanthera spp.) – A genus of colorful foliage plants
Amaranthus (Amaranthus spp.) – Also known as amaranth or pigweed
Amelanchier (Amelanchier spp.) – Also known as serviceberry, shadbush, or juneberry
Anaphalis (Anaphalis spp.) – Also known as pearly everlasting
Anemone (Anemone spp.) – Also known as windflower
Angelica (Angelica spp.) – A genus of tall, fragrant plants
Angelonia (Angelonia spp.) – Also known as summer snapdragon
Anigozanthos (Anigozanthos spp.) – Also known as kangaroo paw
Anisodontea (Anisodontea spp.) – Also known as African mallow
Antirrhinum (Antirrhinum spp.) – Also known as snapdragon
Aphanes (Aphanes spp.) – Also known as parsley piert
Aphelandra (Aphelandra spp.) – Also known as zebra plant
Aquilegia (Aquilegia spp.) – Also known as columbine
Aralia (Aralia spp.) – A genus of plants including spikenard and rice paper plant
Arbutus (Arbutus spp.) – Also known as strawberry tree or madrone
Arctostaphylos (Arctostaphylos spp.) – Also known as manzanita or bearberry
Arctotis (Arctotis spp.) – Also known as African daisy
Arenaria (Arenaria spp.) – Also known as sandwort
Argemone (Argemone spp.) – Also known as prickly poppy
Argyranthemum (Argyranthemum spp.) – Also known as marguerite daisy
Aristolochia (Aristolochia spp.) – Also known as pipevine or Dutchman’s pipe
Armeria (Armeria spp.) – Also known as thrift or sea pink
Armoracia (Armoracia spp.) – Also known as horseradish
Arnica (Arnica spp.) – A genus of medicinal plants
Arrhenatherum (Arrhenatherum spp.) – A genus of grasses, including oatgrass
Artemisia (Artemisia spp.) – A genus of plants, including wormwood and sagebrush
Aruncus (Aruncus spp.) – Also known as goat’s beard
Asarum (Asarum spp.) – Also known as wild ginger
Asclepias (Asclepias spp.) – Also known as milkweed or butterfly weed
Asimina (Asimina spp.) – Also known as pawpaw
Asparagus (Asparagus spp.) – A genus of plants including the edible vegetable and ornamental species
Aster (Aster spp.) – A genus of flowering plants with daisy-like flowers
Astilbe (Astilbe spp.) – Also known as false spirea or meadowsweet
Astragalus (Astragalus spp.) – Also known as milkvetch or locoweed
Astrantia (Astrantia spp.) – Also known as masterwort
Athyrium (Athyrium spp.) – A genus of ferns, including lady fern and Japanese painted fern
Atriplex (Atriplex spp.) – Also known as saltbush or orach
Aubrieta (Aubrieta spp.) – Also known as rock cress or false rockcress
Aucuba (Aucuba spp.) – Also known as spotted laurel or Japanese laurel
Aurinia (Aurinia spp.) – Also known as basket-of-gold or goldentuft alyssum
Austrocylindropuntia (Austrocylindropuntia spp.) – A genus of cacti, including the coral cactus
Avicennia (Avicennia spp.) – A genus of mangrove trees
Azara (Azara spp.) – A genus of evergreen shrubs and trees
Azolla (Azolla spp.) – Also known as mosquito fern or fairy moss
Azorella (Azorella spp.) – Also known as cushion plants or llareta
B
Bacopa (Bacopa spp.) – Also known as water hyssop or moneywort
Baptisia (Baptisia spp.) – Also known as false indigo or wild indigo
Barbarea (Barbarea spp.) – Also known as wintercress or yellow rocket
Babiana (Babiana spp.) – Also known as baboon flower
Baccharis (Baccharis spp.) – Also known as groundsel or broomweed
Bactris (Bactris spp.) – A genus of palm trees, including peach palm
Balantium (Balantium spp.) – A genus of ferns, including the ladder fern
Banksia (Banksia spp.) – A genus of Australian shrubs and trees
Barbarea (Barbarea spp.) – Also known as wintercress or yellow rocket
Bartonia (Bartonia spp.) – Also known as screwstem or pine barrens gentian
Bassia (Bassia spp.) – A genus of shrubs, including burning bush or summer cypress
Bauera (Bauera spp.) – A genus of Australian shrubs
Bauhinia (Bauhinia spp.) – Also known as orchid tree or butterfly tree
Beaucarnea (Beaucarnea spp.) – Also known as ponytail palm or elephant’s foot tree
Begonia (Begonia spp.) – A genus of colorful flowering plants
Belamcanda (Belamcanda spp.) – Also known as blackberry lily or leopard flower
Bellis (Bellis spp.) – Also known as English daisy or lawn daisy
Berberidopsis (Berberidopsis spp.) – Also known as coral plant
Berberis (Berberis spp.) – Also known as barberry
Bergenia (Bergenia spp.) – Also known as elephant’s ears or pig squeak
Betula (Betula spp.) – Also known as birch
Bidens (Bidens spp.) – Also known as beggar’s ticks or sticktight
Billbergia (Billbergia spp.) – A genus of bromeliads
Bistorta (Bistorta spp.) – Also known as knotweed or smartweed
Bituminaria (Bituminaria spp.) – Also known as pitch trefoil or Arabian pea
Blechnum (Blechnum spp.) – A genus of ferns, including deer fern
Bletilla (Bletilla spp.) – Also known as Chinese ground orchid
Boehmeria (Boehmeria spp.) – A genus of plants, including false nettle or ramie
Bolboschoenus (Bolboschoenus spp.) – Also known as bulrush or clubrush
Boltonia (Boltonia spp.) – Also known as false aster or doll’s daisy
Bomarea (Bomarea spp.) – Also known as climbing alstroemeria
Borago (Borago spp.) – Also known as borage or starflower
Boronia (Boronia spp.) – A genus of Australian shrubs
Boschniakia (Boschniakia spp.) – Also known as groundcone or broomrape
Bossiaea (Bossiaea spp.) – A genus of Australian shrubs and climbers
Bothriochloa (Bothriochloa spp.) – A genus of grasses, including bluestem
Botrychium (Botrychium spp.) – Also known as grape fern or moonwort
Bougainvillea (Bougainvillea spp.) – A genus of colorful flowering plants, including the paper flower
Bouteloua (Bouteloua spp.) – A genus of grasses, including buffalo grass and blue grama
Brachychiton (Brachychiton spp.) – Also known as bottle tree or kurrajong
Brachycome (Brachycome spp.) – Also known as Swan River daisy or cut-leaf daisy
Brachyglottis (Brachyglottis spp.) – Also known as Senecio, a genus of flowering plants from New Zealand
Brachyscome (Brachyscome spp.) – A synonym for Brachycome, also known as Swan River daisy or cut-leaf daisy
Brassica (Brassica spp.) – A genus of plants, including cabbage, broccoli, kale, and mustard
Breynia (Breynia spp.) – Also known as snow bush or red coffee bush
Brodiaea (Brodiaea spp.) – Also known as cluster-lily or triplet lily
Browallia (Browallia spp.) – Also known as amethyst flower or bush violet
Brugmansia (Brugmansia spp.) – Also known as angel’s trumpet
Brunfelsia (Brunfelsia spp.) – Also known as yesterday-today-and-tomorrow or kiss-me-quick
Brunnera (Brunnera spp.) – Also known as Siberian bugloss or false forget-me-not
Buddleja (Buddleja spp.) – Also known as butterfly bush
Bulbine (Bulbine spp.) – A genus of succulent plants, including the snake flower
Bupleurum (Bupleurum spp.) – Also known as hare’s ear or thoroughwax
Bursera (Bursera spp.) – Also known as elephant tree or gumbo limbo
Buxus (Buxus spp.) – Also known as boxwood or box
Byrsonima (Byrsonima spp.) – Also known as locust berry or golden spoon
C
Cactaceae (Cactus family) – A family of spiny, succulent plants
Caesalpinia (Caesalpinia spp.) – Also known as bird of paradise or pride of Barbados
Caladium (Caladium spp.) – A genus of tropical foliage plants, also known as elephant’s ear or angel wings
Calamagrostis (Calamagrostis spp.) – A genus of grasses, including feather reed grass
Calamintha (Calamintha spp.) – Also known as calamint or basil thyme
Calandrinia (Calandrinia spp.) – Also known as rock purslane or redmaids
Calathea (Calathea spp.) – A genus of tropical foliage plants, also known as prayer plant or rattlesnake plant
Calceolaria (Calceolaria spp.) – Also known as lady’s purse or slipper flower
Calendula (Calendula spp.) – Also known as pot marigold or English marigold
Calliandra (Calliandra spp.) – Also known as powder puff or fairy duster
Callistemon (Callistemon spp.) – Also known as bottlebrush
Callitriche (Callitriche spp.) – Also known as water starwort or pondweed
Calluna (Calluna spp.) – Also known as heather or ling
Calochortus (Calochortus spp.) – Also known as mariposa lily or globe tulip
Calycanthus (Calycanthus spp.) – Also known as sweetshrub or Carolina allspice
Camassia (Camassia spp.) – Also known as camas or quamash
Camellia (Camellia spp.) – A genus of flowering plants, including tea plant and ornamental camellias
Campanula (Campanula spp.) – Also known as bellflower or harebell
Canna (Canna spp.) – A genus of tropical plants, also known as canna lily
Capsicum (Capsicum spp.) – A genus of plants, including bell peppers, chili peppers, and paprika
Carex (Carex spp.) – A genus of grass-like plants, also known as sedges
Carissa (Carissa spp.) – Also known as Natal plum or amarulla
Carnegiea (Carnegiea spp.) – A genus of cacti, including the saguaro
Carpenteria (Carpenteria spp.) – Also known as bush anemone or tree anemone
Carpinus (Carpinus spp.) – Also known as hornbeam
Caryopteris (Caryopteris spp.) – Also known as bluebeard or blue mist shrub
Cassia (Cassia spp.) – A genus of flowering plants, including senna
Castilleja (Castilleja spp.) – Also known as Indian paintbrush or prairie fire
Catalpa (Catalpa spp.) – Also known as catawba or Indian bean tree
Catananche (Catananche spp.) – Also known as cupid’s dart or blue cupidone
Catopsis (Catopsis spp.) – A genus of bromeliads, including airplants
Caulophyllum (Caulophyllum spp.) – Also known as blue cohosh or squaw root
Ceanothus (Ceanothus spp.) – Also known as California lilac or New Jersey tea
Cedrus (Cedrus spp.) – Also known as cedar or true cedar
Ceiba (Ceiba spp.) – Also known as kapok or silk-cotton tree
Celtis (Celtis spp.) – Also known as hackberry or sugarberry
Centaurea (Centaurea spp.) – Also known as knapweed, starthistle, or cornflower
Centranthus (Centranthus spp.) – Also known as valerian or Jupiter’s beard
Cephalanthus (Cephalanthus spp.) – Also known as buttonbush or button willow
Ceratostigma (Ceratostigma spp.) – Also known as plumbago or leadwort
Cercidiphyllum (Cercidiphyllum spp.) – Also known as katsura tree
Cercis (Cercis spp.) – Also known as redbud or Judas tree
Chamaecyparis (Chamaecyparis spp.) – Also known as false cypress or white cedar
Chamaedorea (Chamaedorea spp.) – A genus of palms, including parlor palm and bamboo palm
Chamaerops (Chamaerops spp.) – Also known as European fan palm or Mediterranean fan palm
Chasmanthium (Chasmanthium spp.) – Also known as woodoats or Northern sea oats
Cheilanthes (Cheilanthes spp.) – A genus of ferns, including lip ferns
Chelone (Chelone spp.) – Also known as turtlehead or snakehead
Chenopodium (Chenopodium spp.) – Also known as goosefoot or lamb’s quarters
Chionanthus (Chionanthus spp.) – Also known as fringe tree or old man’s beard
Chionodoxa (Chionodoxa spp.) – Also known as glory-of-the-snow
Chlorophytum (Chlorophytum spp.) – Also known as spider plant or airplane plant
Choisya (Choisya spp.) – Also known as Mexican orange or mock orange
Chondropetalum (Chondropetalum spp.) – Also known as Cape rush or small Cape rush
Chrysanthemum (Chrysanthemum spp.) – Also known as mums or daisies
Chrysogonum (Chrysogonum spp.) – Also known as goldenstar or green and gold
Chrysopsis (Chrysopsis spp.) – Also known as golden aster or golden daisy
Cichorium (Cichorium spp.) – Also known as chicory or endive
Cimicifuga (Cimicifuga spp.) – Also known as bugbane or black cohosh
Cineraria (Cineraria spp.) – A genus of flowering plants, also known as dusty miller or florist’s cineraria
Cirsium (Cirsium spp.) – Also known as thistle
Cistus (Cistus spp.) – Also known as rockrose or gum cistus
Citrus (Citrus spp.) – A genus of fruiting plants, including oranges, lemons, and limes
Cladrastis (Cladrastis spp.) – Also known as yellowwood or American yellowwood
Clarkia (Clarkia spp.) – Also known as farewell-to-spring or satin flower
Clematis (Clematis spp.) – A genus of flowering climbers, also known as old man’s beard or traveler’s joy
Cleome (Cleome spp.) – Also known as spider flower or spider plant
Clethra (Clethra spp.) – Also known as summersweet or sweet pepperbush
Clintonia (Clintonia spp.) – Also known as bluebead lily or corn lily
Clivia (Clivia spp.) – Also known as bush lily or kaffir lily
Cobaea (Cobaea spp.) – Also known as cup-and-saucer vine or cathedral bells
Codiaeum (Codiaeum spp.) – Also known as croton or garden croton
Coelogyne (Coelogyne spp.) – A genus of orchids, including necklace orchids
Coleus (Coleus spp.) – A genus of colorful foliage plants, also known as painted nettle or flame nettle
Colocasia (Colocasia spp.) – Also known as elephant ear or taro
Commelina (Commelina spp.) – Also known as dayflower or widow’s tears
Comptonia (Comptonia spp.) – Also known as sweetfern or sweet-fern
Conoclinium (Conoclinium spp.) – Also known as mistflower or blue mistflower
Convallaria (Convallaria spp.) – Also known as lily of the valley or May lily
Convolvulus (Convolvulus spp.) – Also known as bindweed or morning glory
Coprosma (Coprosma spp.) – Also known as mirror bush or looking-glass plant
Cordyline (Cordyline spp.) – A genus of tropical plants, also known as cabbage tree or ti plant
Coreopsis (Coreopsis spp.) – Also known as tickseed or calliopsis
Cornus (Cornus spp.) – Also known as dogwood or flowering dogwood
Corokia (Corokia spp.) – Also known as wire netting bush or zigzag bush
Coronilla (Coronilla spp.) – Also known as crown vetch or scorpion vetch
Cortaderia (Cortaderia spp.) – Also known as pampas grass or tussock grass
Cosmos (Cosmos spp.) – A genus of flowering plants, also known as Mexican aster
Cotinus (Cotinus spp.) – Also known as smoke tree or smoke bush
Cotoneaster (Cotoneaster spp.) – A genus of flowering plants, also known as bearberry or Christmas berry
Crassula (Crassula spp.) – A genus of succulent plants, including jade plant or money tree
Crataegus (Crataegus spp.) – Also known as hawthorn, thornapple, or May-tree
Crocosmia (Crocosmia spp.) – Also known as montbretia or coppertips
Crocus (Crocus spp.) – A genus of flowering plants, including saffron and spring crocus
Crossandra (Crossandra spp.) – Also known as firecracker flower or orange marmalade plant
Cryptanthus (Cryptanthus spp.) – A genus of bromeliads, also known as earth stars
Cryptomeria (Cryptomeria spp.) – Also known as Japanese cedar or sugi
Cucumis (Cucumis spp.) – A genus of plants, including cucumber and melon
Cucurbita (Cucurbita spp.) – A genus of plants, including pumpkin, squash, and gourd
Cuminum (Cuminum spp.) – Also known as cumin or zira
Cuphea (Cuphea spp.) – Also known as cigar plant or firecracker plant
Curcuma (Curcuma spp.) – A genus of plants, including turmeric and Siam tulip
Cyclamen (Cyclamen spp.) – A genus of flowering plants, also known as sowbread or Persian violet
Cydonia (Cydonia spp.) – Also known as quince or common quince
Cyperus (Cyperus spp.) – A genus of plants, including umbrella sedge or papyrus
Cyphomandra (Cyphomandra spp.) – Also known as tree tomato or tamarillo
Cypripedium (Cypripedium spp.) – A genus of orchids, also known as lady’s slipper orchid
Cyrilla (Cyrilla spp.) – Also known as swamp titi or swamp cyrilla
Cystopteris (Cystopteris spp.) – A genus of ferns, including bladder ferns or fragile ferns
Cyrtomium (Cyrtomium spp.) – A genus of ferns, also known as holly ferns
Cytisus (Cytisus spp.) – Also known as broom or Scotch broom
D
Dactylorhiza (Dactylorhiza spp.) – A genus of orchids, also known as marsh orchids or spotted orchids
Dahlia (Dahlia spp.) – A genus of flowering plants, known for their colorful and showy blooms
Dalea (Dalea spp.) – Also known as prairie clover or indigo bush
Daphne (Daphne spp.) – A genus of flowering plants, known for their fragrant flowers
Darmera (Darmera spp.) – Also known as Indian rhubarb or umbrella plant
Dasylirion (Dasylirion spp.) – Also known as desert spoon or sotol
Datura (Datura spp.) – Also known as jimsonweed, devil’s trumpet, or moonflower
Daucus (Daucus spp.) – A genus of flowering plants, including wild carrot or Queen Anne’s lace
Davallia (Davallia spp.) – A genus of ferns, including hare’s foot fern or deersfoot fern
Decaisnea (Decaisnea spp.) – Also known as dead man’s fingers or blue sausage fruit
Deciduous (Deciduous spp.) – A term for plants that lose their leaves during certain seasons, such as autumn
Deinanthe (Deinanthe spp.) – A genus of flowering plants, also known as false hydrangea
Delonix (Delonix spp.) – Also known as flamboyant or royal poinciana
Delosperma (Delosperma spp.) – A genus of succulent plants, also known as ice plant or hardy ice plant
Delphinium (Delphinium spp.) – A genus of flowering plants, also known as larkspur or knight’s-spur
Dendrobium (Dendrobium spp.) – A genus of orchids, including many popular varieties for cultivation
Dennstaedtia (Dennstaedtia spp.) – A genus of ferns, including hay-scented fern or cup fern
Deschampsia (Deschampsia spp.) – A genus of grasses, including tufted hairgrass or tussock grass
Desfontainia (Desfontainia spp.) – Also known as Chilean holly or taique
Desmodium (Desmodium spp.) – Also known as tick trefoil or tick clover
Deutzia (Deutzia spp.) – A genus of flowering shrubs, also known as deutzia or pride of Rochester
Dianella (Dianella spp.) – Also known as flax lily or blueberry lily
Dianthus (Dianthus spp.) – A genus of flowering plants, including carnations, pinks, and sweet williams
Diascia (Diascia spp.) – Also known as twinspur or diascia
Dichondra (Dichondra spp.) – Also known as ponysfoot or silver falls
Dicksonia (Dicksonia spp.) – A genus of tree ferns, including soft tree fern or man fern
Digitalis (Digitalis spp.) – Also known as foxglove or lady’s glove
Diodia (Diodia spp.) – Also known as buttonweed or poorjoe
Dioscorea (Dioscorea spp.)
Diospyros (Diospyros spp.) – A genus of trees, including ebony, persimmon, and date-plum
Dipelta (Dipelta spp.) – Also known as dipelta or florist’s deutzia
Diplazium (Diplazium spp.) – A genus of ferns, including glade fern or twin-sorus fern
Disporopsis (Disporopsis spp.) – Also known as evergreen Solomon’s seal or disporopsis
Disporum (Disporum spp.) – Also known as fairy bells or Solomon’s seal
Distichlis (Distichlis spp.) – Also known as saltgrass or desert saltgrass
Dodecatheon (Dodecatheon spp.) – Also known as shooting star or American cowslip
Dodonaea (Dodonaea spp.) – Also known as hopbush or switch sorrel
Dolichos (Dolichos spp.) – Also known as hyacinth bean or lablab
Doronicum (Doronicum spp.) – Also known as leopard’s bane or false sunflower
Dracaena (Dracaena spp.) – A genus of tropical plants, including dragon tree or corn plant
Dracocephalum (Dracocephalum spp.) – Also known as dragonhead or false dragonhead
Dryas (Dryas spp.) – Also known as mountain avens or white dryas
Dryopteris (Dryopteris spp.) – A genus of ferns, including wood fern or buckler fern
Duchesnea (Duchesnea spp.) – Also known as Indian strawberry or mock strawberry
Duranta (Duranta spp.) – Also known as golden dewdrop or pigeon berry
Dypsis (Dypsis spp.) – A genus of palms, including Madagascar palms and triangle palm
Dyssodia (Dyssodia spp.) – Also known as fetid marigold or dogweed
E
Echeveria (Echeveria spp.) – A genus of succulent plants, also known as echeveria or Mexican hens and chicks
Echinacea (Echinacea spp.) – Also known as coneflower or purple coneflower
Echinocactus (Echinocactus spp.) – Also known as barrel cactus or golden barrel cactus
Echinocereus (Echinocereus spp.) – Also known as hedgehog cactus or rainbow cactus
Echinops (Echinops spp.) – Also known as globe thistle or small globe thistle
Echium (Echium spp.) – Also known as viper’s bugloss or blueweed
Edgeworthia (Edgeworthia spp.) – Also known as paperbush or Oriental paperbush
Elaeagnus (Elaeagnus spp.) – Also known as silverberry or oleaster
Elaeocarpus (Elaeocarpus spp.) – Also known as blue marble tree or blue quandong
Elettaria (Elettaria spp.) – Also known as cardamom or green cardamom
Elephantopus (Elephantopus spp.) – Also known as elephant’s foot or devil’s grandmother
Enkianthus (Enkianthus spp.) – A genus of shrubs, also known as pagoda bush or dodan-tsutsuji
Epacris (Epacris spp.) – Also known as heath or Australian heath
Epidendrum (Epidendrum spp.) – A genus of orchids, also known as crucifix orchids or star orchids
Epilobium (Epilobium spp.) – Also known as willowherb or fireweed
Epimedium (Epimedium spp.) – Also known as barrenwort, bishop’s hat, or fairy wings
Epiphyllum (Epiphyllum spp.) – Also known as orchid cactus or leaf cactus
Equisetum (Equisetum spp.) – Also known as horsetail or scouring rush
Erica (Erica spp.) – Also known as heather or heath
Eriobotrya (Eriobotrya spp.) – Also known as loquat or Japanese plum
Eriogonum (Eriogonum spp.) – Also known as wild buckwheat or desert trumpet
Eriophyllum (Eriophyllum spp.) – Also known as woolly sunflower or golden yarrow
Eryngium (Eryngium spp.) – Also known as sea holly or eryngo
Erysimum (Erysimum spp.) – Also known as wallflower or cheiranthus
Escallonia (Escallonia spp.) – A genus of flowering shrubs, also known as escallonia or redclaws
Eschscholzia (Eschscholzia spp.) – Also known as California poppy or golden poppy
Eucalyptus (Eucalyptus spp.) – A genus of trees and shrubs, also known as gum trees or eucalypts
Eucomis (Eucomis spp.) – Also known as pineapple lily or pineapple flower
Eupatorium (Eupatorium spp.) – Also known as boneset, thoroughwort,
Euphorbia (Euphorbia spp.) – A diverse genus of plants, including spurge, poinsettia, and crown of thorns
Euryale (Euryale spp.) – Also known as fox nut or gorgon plant
Eustoma (Eustoma spp.) – Also known as lisianthus or prairie gentian
Evolvulus (Evolvulus spp.) – Also known as dwarf morning glory or blue daze
Exacum (Exacum spp.) – Also known as Persian violet or German violet
Exochorda (Exochorda spp.) – Also known as pearl bush or the bride
F
Fagus (Fagus spp.) – A genus of deciduous trees, also known as beech or European beech
Fatsia (Fatsia spp.) – Also known as Japanese aralia or glossy-leaf paper plant
Fedia (Fedia spp.) – Also known as corn salad or lamb’s lettuce
Felicia (Felicia spp.) – Also known as blue daisy or kingfisher daisy
Fennel (Foeniculum vulgare) – A flavorful herb used in cooking, also known for its medicinal properties
Ferocactus (Ferocactus spp.) – Also known as barrel cactus or compass barrel cactus
Festuca (Festuca spp.) – A genus of grasses, including fescue and blue fescue
Ficus (Ficus spp.) – A genus of trees, shrubs, and vines, including figs and rubber plants
Filipendula (Filipendula spp.) – Also known as meadowsweet or queen of the meadow
Firmiana (Firmiana spp.) – Also known as Chinese parasol tree or wutong
Foeniculum (Foeniculum spp.) – A genus of plants, including fennel and sweet fennel
Fontanesia (Fontanesia spp.) – Also known as Syrian privet or fontanesia
Forestiera (Forestiera spp.) – Also known as desert olive or wild olive
Forsythia (Forsythia spp.) – A genus of flowering shrubs, known for their bright yellow flowers in early spring
Fortunella (Fortunella spp.) – A genus of citrus fruits, including kumquats
Fragaria (Fragaria spp.) – A genus of plants, including strawberries and wild strawberries
Franklinia (Franklinia alatamaha) – Also known as Franklin tree or lost camellia
Fraxinus (Fraxinus spp.) – A genus of trees, also known as ash or European ash
Fritillaria (Fritillaria spp.) – A genus of bulbous plants, including checkered lily and snake’s head fritillary
Fuchsia (Fuchsia spp.) – A genus of flowering plants, known for their pendant-shaped, colorful flowers
Fumaria (Fumaria spp.) – Also known as fumitory or earth smoke
Funkia (Hosta spp.) – A genus of herbaceous plants, also known as hosta or plantain lily
Furcraea (Furcraea spp.) – Also known as giant cabuya or Mauritius hemp
Fuschia (Fuchsia spp.) – A genus of flowering plants, known for their pendant-shaped, colorful flowers
G
Gaillardia (Gaillardia spp.) – Also known as blanket flower or Indian blanket
Galanthus (Galanthus spp.) – Also known as snowdrop or common snowdrop
Galax (Galax urceolata) – Also known as beetleweed or wandflower
Galega (Galega spp.) – Also known as goat’s rue or professor-weed
Galium (Galium spp.) – Also known as bedstraw or cleavers
Garrya (Garrya spp.) – Also known as silk tassel or coast silktassel
Gasteria (Gasteria spp.) – A genus of succulent plants, also known as ox tongue or lawyer’s tongue
Gaultheria (Gaultheria spp.) – Also known as wintergreen or checkerberry
Gaura (Gaura spp.) – Also known as wandflower or bee blossom
Gavilea (Gavilea spp.) – A genus of orchids, also known as gavilea or Chilean orchids
Gazania (Gazania spp.) – Also known as treasure flower or African daisy
Gelsemium (Gelsemium spp.) – Also known as yellow jessamine or Carolina jessamine
Genista (Genista spp.) – Also known as broom or dyer’s greenweed
Gentiana (Gentiana spp.) – Also known as gentian or bottle gentian
Geranium (Geranium spp.) – A genus of flowering plants, also known as cranesbill or hardy geranium
Gerbera (Gerbera spp.) – Also known as African daisy or Barberton daisy
Geum (Geum spp.) – Also known as avens or water avens
Ginkgo (Ginkgo biloba) – A unique tree species, also known as maidenhair tree
Gladiolus (Gladiolus spp.) – A genus of flowering plants, known for their tall spikes of colorful flowers
Gleditsia (Gleditsia spp.) – Also known as honey locust or thorny locust
Glehnia (Glehnia spp.) – Also known as beach silvertop or American silvertop
Globularia (Globularia spp.) – Also known as globe daisy or round-headed globe daisy
Glyceria (Glyceria spp.) – Also known as sweet grass or manna grass
Glycine (Glycine spp.) – A genus of plants, including soybean and licorice vine
Glycyrrhiza (Glycyrrhiza spp.) – Also known as licorice or sweet root
Gomphocarpus (Gomphocarpus spp.) – Also known as balloon plant or swan plant
Gomphrena (Gomphrena spp.) – Also known as globe amaranth or bachelor’s button
Gonolobus (Gonolobus spp.) – Also known as anglepod or angle-pod milkvine
Goodenia (Goodenia spp.) – A genus of flowering plants, also known as goodenia or fanflower
Goodyera (Goodyera spp.) – Also known as rattlesnake plantain or jewel orchid
Gossypium (Gossypium spp.) – Also known as cotton or upland cotton
Graptopetalum (Graptopetalum spp.) – A genus of succulent plants, also known as leatherpetal or ghost plant
Gratiola (Gratiola spp.) – Also known as hedge hyssop or grace of God
Grevillea (Grevillea spp.) – Also known as spider flower or silky oak
Guaiacum (Guaiacum spp.) – Also known as lignum vitae or guayacan
Guzmania (Guzmania spp.) – A genus of bromeliads, also known as guzmania or scarlet star
Gymnocalycium (Gymnocalycium spp.) – Also known as chin cactus or moon cactus
Gymnocladus (Gymnocladus spp.) – Also known as Kentucky coffeetree or American coffeetree
Gymnogramma (Gymnogramma spp.) – Also known as gold fern or goldenback fern
Gynura (Gynura spp.) – Also known as purple passion or velvet plant
Gypsophila (Gypsophila spp.) – Also known as baby’s breath or annual gypsophila
H
Hacquetia (Hacquetia epipactis) – Also known as hacquetia or venus’-hair
Hakea (Hakea spp.) – A genus of flowering plants, also known as needlebush or pin-cushion
Hakonechloa (Hakonechloa spp.) – Also known as Japanese forest grass or Hakone grass
Halimium (Halimium spp.) – Also known as rockrose or sunrose
Haloxylon (Haloxylon spp.) – Also known as saxaul or salt tree
Hamamelis (Hamamelis spp.) – Also known as witch hazel or winterbloom
Haplopappus (Haplopappus spp.) – Also known as goldenbush or happy plant
Hardenbergia (Hardenbergia spp.) – Also known as coral pea or false sarsaparilla
Helenium (Helenium spp.) – Also known as sneezeweed or Helen’s flower
Helianthemum (Helianthemum spp.) – Also known as rock rose or sun rose
Helianthus (Helianthus spp.) – A genus of flowering plants, including sunflowers and Jerusalem artichoke
Helichrysum (Helichrysum spp.) – Also known as strawflower or everlasting flower
Heliopsis (Heliopsis spp.) – Also known as false sunflower or oxeye sunflower
Heliotropium (Heliotropium spp.) – Also known as heliotrope or cherry pie
Helleborus (Helleborus spp.) – Also known as hellebore or Lenten rose
Hemerocallis (Hemerocallis spp.) – Also known as daylily or tawny daylily
Heptacodium (Heptacodium miconioides) – Also known as seven son flower or autumn lilac
Heuchera (Heuchera spp.) – Also known as coral bells or alumroot
Hibiscus (Hibiscus spp.) – A genus of flowering plants, including rose of Sharon and tropical hibiscus
Hieracium (Hieracium spp.) – Also known as hawkweed or yellow hawkweed
Hippeastrum (Hippeastrum spp.) – Also known as amaryllis or knight’s star
Holboellia (Holboellia spp.) – Also known as sausage vine or Chinese sausage vine
Holodiscus (Holodiscus spp.) – Also known as ocean spray or cream bush
Hosta (Hosta spp.) – Also known as plantain lily or Funkia
Hoya (Hoya spp.) – Also known as wax plant or porcelain flower
Humulus (Humulus spp.) – A genus of plants, including hops and Japanese hops
Hyacinthoides (Hyacinthoides spp.) – Also known as bluebell or wood hyacinth
Hyacinthus (Hyacinthus spp.) – Also known as hyacinth or garden hyacinth
Hydrangea (Hydrangea spp.) – A genus of flowering plants, including mophead and lacecap hydrangeas
Hydrocotyle (Hydrocotyle spp.)
Hygrophila (Hygrophila spp.) – Also known as swampweed or waterwort
Hylotelephium (Hylotelephium spp.) – Also known as stonecrop or live-forever
Hymenocallis (Hymenocallis spp.) – Also known as spider lily or Peruvian daffodil
Hymenoxys (Hymenoxys spp.) – Also known as bitterweed or rubberweed
Hyoscyamus (Hyoscyamus spp.) – Also known as henbane or black henbane
Hypericum (Hypericum spp.) – Also known as St. John’s wort or rose of Sharon
Hypoxis (Hypoxis spp.) – Also known as yellow star grass or African potato
Hyssopus (Hyssopus spp.) – Also known as hyssop or herb of grace
I
Iberis (Iberis spp.) – Also known as candytuft or evergreen candytuft
Ilex (Ilex spp.) – A genus of plants, including holly and American holly
Impatiens (Impatiens spp.) – Also known as touch-me-not or busy Lizzie
Inula (Inula spp.) – Also known as elecampane or horse-heal
Ipomoea (Ipomoea spp.) – A genus of flowering plants, including morning glory and sweet potato
Iris (Iris spp.) – A genus of flowering plants, including bearded iris and Dutch iris
Isatis (Isatis spp.) – Also known as woad or dyer’s woad
Isoetes (Isoetes spp.) – Also known as quillwort or Merlin’s grass
Itea (Itea spp.) – Also known as sweetspire or Virginia sweetspire
Iva (Iva spp.) – Also known as marsh elder or sumpweed
Ixia (Ixia spp.) – Also known as corn lily or African corn lily
Ixora (Ixora spp.) – Also known as flame of the woods or jungle flame
Incarvillea (Incarvillea spp.) – Also known as hardy gloxinia or trumpet flower
Indigofera (Indigofera spp.) – A genus of plants, including true indigo and wild indigo
Inocybe (Inocybe spp.) – Also known as fibrecap or cone-cap
Ipheion (Ipheion uniflorum) – Also known as spring starflower or one-flowered ipheion
Isodendrion (Isodendrion spp.) – A genus of plants native to Hawaii
Itea ilicifolia – Also known as holly-leaved sweetspire
Ipomopsis (Ipomopsis spp.) – Also known as standing cypress or scarlet gilia
Iris foetidissima – Also known as stinking iris or gladwin iris
Iris germanica – Also known as German iris or bearded iris
Iris pallida – Also known as sweet iris or Dalmatian iris
Iris reticulata – Also known as netted iris or dwarf iris
Iris sibirica – Also known as Siberian iris or Siberian flag
Iris setosa – Also known as bristle-pointed iris or beachhead iris
Isochilus (Isochilus spp.) – A genus of orchids, also known as equal-lip orchid
Isodon (Isodon spp.) – A genus of plants in the mint family
Ivesia (Ivesia spp.) – A genus of plants in the rose family
Iliamna (Iliamna spp.) – Also known as wild hollyhock or streambank wild hollyhock
Indocalamus (Indocalamus spp.) – A genus of bamboo plants
Inga (Inga spp.) – Also known as ice cream bean or guama
Intsia (Intsia spp.) – Also known as merbau or Borneo teak
Ipomoea alba – Also known as moonflower or tropical white morning glory
Ipomoea batatas – Also known as sweet potato or yam
Ipomoea coccinea – Also known as red morning glory or scarlet creeper
Ipomoea hederacea – Also known as ivy-leaved morning glory or Mexican morning glory
Ipomoea indica – Also known as blue dawn flower or ocean blue morning glory
Ipomoea lobata – Also known as Spanish flag or firecracker vine
Ipomoea purpurea – Also known as common morning glory or purple morning glory
Ipomoea quamoclit – Also known as cypress vine or cardinal climber
Ipomoea tricolor – Also known as heavenly blue morning glory or blue morning glory
Isoglossa (Isoglossa spp.) – A genus of plants in the family Acanthaceae
Itea virginica – Also known as Virginia sweetspire or Tassel-white
Iva annua – Also known as annual marsh elder or sumpweed
Ixora coccinea – Also known as jungle geranium or flame of the woods
Ixora chinensis – Also known as Chinese ixora or Chinese flame of the woods
Ixora javanica – Also known as Javanese ixora or West Indian jasmine
Ixora parviflora – Also known as small-flowered ixora or small-flowered flame of the woods
Ixora pavetta – Also known as torch tree or bridal flower
Ixora casei – Also known as yellow ixora or West Indian jasmine
Ixora finlaysoniana – Also known as Finlayson’s ixora or white spike flower
Ixora congesta – Also known as dwarf red ixora or crowded ixora
Ixora taiwanensis – Also known as Taiwan ixora or Taiwanese flame of the woods
Ixia viridiflora – Also known as turquoise ixia or green corn lily
Ixia polystachya – Also known as many-spiked ixia or many-spiked corn lily
Ixia paniculata – Also known as branched ixia or panicled corn lily
Ixia maculata – Also known as spotted ixia or spotted corn lily
Ixia monadelpha – Also known as one-stemmed ixia or single-stemmed corn lily
Ixia longituba – Also known as long-tubed ixia or long-tubed corn lily
Ixia odorata – Also known as fragrant ixia or scented corn lily
Ixia flexuosa – Also known as zigzag ixia or zigzag corn lily
Ixia dubia – Also known as doubtful ixia or dubious corn lily
Ixia metelerkampiae – Also known as Metelerkamp’s ixia or Metelerkamp’s corn lily
Ixia rapunculoides – Also known as rampion-like ixia or rampion-like corn lily
Ixia leucantha – Also known as white-flowered ixia or white-flowered corn lily
Indigofera tinctoria – Also known as true indigo or dyer’s indigo
Indigofera suffruticosa – Also known as wild indigo or Anil de pasto
Indigofera linnaei – Also known as birdsville indigo or camel poison
Indigofera pulchella – Also known as beautiful indigo or pretty indigo
Indigofera gerardiana – Also known as Gerard’s indigo or Himalayan indigo
Indigofera glandulosa – Also known as glandular indigo or glandular wild indigo
Indigofera astragalina – Also known as hairy indigo or silky indigo
Indigofera arrecta – Also known as Bengal indigo or upright indigo
Indigofera hirsuta – Also known as hairy indigo or rough indigo
Indigofera amblyantha – Also known as blunt-flowered indigo or broad-flowered indigo
Indigofera aspalathoides – Also known as Indian indigo or false sarsaparilla
Indigofera canescens – Also known as hoary indigo or gray indigo
Indigofera hendecaphylla – Also known as spicate indigo or West Indian indigo
Indigofera miniata – Also known as scarlet-flowered indigo or scarlet indigo
Indigofera oblongifolia – Also known as oblong-leaved indigo or oblong-leaved wild indigo
Indigofera articulata – Also known as jointed indigo or jointed wild indigo
Indigofera colutea – Also known as bladder indigo or bladder wild indigo
Indigofera nummularia – Also known as creeping indigo or moneywort indigo
Indigofera pedicellata – Also known as stalked indigo or stalked wild indigo
Indigofera spicata – Also known as spiked indigo or spiked wild indigo
Indigofera truxillensis – Also known as Truxillo indigo or Truxillo wild indigo
Indigofera filipes – Also known as thread-stalked indigo or thread-stalked wild indigo
Indigofera decora – Also known as showy indigo or showy wild indigo
Indigofera incarnata – Also known as flesh-colored indigo or flesh-colored wild indigo
Indigofera brachystachya – Also known as short-spiked indigo or short-spiked wild indigo
Indigofera campestris – Also known as field indigo or field wild indigo
Indigofera suffruticosa var. lindheimeri – Also known as Lindheimer’s indigo
Indigofera australis – Also known as Australian indigo or Austral indigo
Indigofera tinctoria subsp. tinctoria – Also known as true indigo (subspecies)
Indigofera ascendens – Also known as climbing indigo or ascending indigo
Indigofera trifoliata – Also known as three-leaf indigo or three-leaf wild indigo
Indigofera glandulifera – Also known as gland-bearing indigo or gland-bearing wild indigo
Indigofera cassioides – Also known as cassia-like indigo or cassia-like wild indigo
Indigofera enneaphylla – Also known as nine-leaf indigo or nine-leaf wild indigo
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