base, bleu, blond, blonde, blues, chow, dash, delft, do, don, fair, harsh, jay, jets, light, os, spall, squill, teal

agueweed, ague weed, aqua, asheville, azure, bird's eye, black haw, black pine, blowfly, blow fly, blue-blind, blue-chip, blue-eyed, blue-green, bluebell, bluebird, bluehead, blueing, blueweed, blue book, blue bull, blue cheese, blue chip, blue curls, blue fig, blue flag, blue jay, blue jets, blue moon, blue pea, blue sage, blue shark, blue star, blue stone, blue tit, blue wall, bluing, bobtail, borage, border, bright blue, brooklime, brushlike, bugloss, bunyan, chow chow, chrome green, cyan, dark blue, dow jones, fabled, flagfish, ginger, goat's rue, goat rue, grayly, harebell, heal all, intense, jaybird, khartoum, kyanite, leadwort, light-haired, limpid, litmus, lowborn, lucerne, lupin, lupine, mandrill, momot, monkshood, motmot, mouse ear, myrtle, navy, nilgai, nylghai, nylghau, oak fern, peach bell, peach bells, purple, purplish, quandong, scilla, searcher, sea cole, sea kale, self-heal, serene, shadblow, shadbush, shiner, shiny, shoo fly, sky-blue, snapper, snow goose, spring squill, spring vetch, squawroot, steel blue, stilton, stonewash, stuffy, tailwort, throatwort, tomtit, tranquil, true-blue, turquoise, tyndall, wampee, washed-out, watch cap, wedgwood, whitecup, white nile, white spruce, wild sage, zigzag

acid-wash, aconite, aestival, alfalfa, alkali, alkanet, arrow wood, balmoral, bellflower, bengal light, bilberry, bladderpod, blaeberry, blind gentian, blue-blindness, blue-blooded, blue-eyed grass, blueberry, bluebonnet, bluebottle, blue bugle, blue cohosh, blue copperas, blue daisy, blue devil, blue elder, blue fleabane, blue lotus, blue murder, blue orchid, blue peter, blue pointed, blue poppy, blue thistle, blue toadflax, blue tulip, bluish green, brittlebush, brittle bush, callinectes, cape primrose, chalcanthite, charity, chicory, chicory plant, chromium, closed gentian, cobalt blue, coleus, congo red, coral bean, cordierite, cornflower, corn speedwell, cyanite, daisy-bush, daisybush, daisy bush, danish blue, day lily, desert plume, dragon's head, dragonhead, dusky shark, dutch iris, dwarf iris, empurpled, estival, felicia, fiddleneck, field speedwell, flame nettle, forget-me-not, galena, gand flower, gingery, golden club, golden cup, gopher snake, great blue shark, greenish blue, gypsyweed, hollygrape, hooker's green, indigo, innocense, iron blue, jeffrey's pine, jeffrey pine, john tyndall, joseph's coat, juneberry, lake tana, lake tsana, lavender, lazily, lazuli, lazuline, licorice, lion's beard, liquorice, litmus test, lycaena, marsh felwort, marsh gentian, mealy sage, mescal bean, mist-flower, mistflower, monera, mountain grape, mountain pine, navy blue, osmium, papooseroot, papoose root, paul bunyan, peacock-blue, peacock blue, penstemon, pilot cloth, powdery, powder blue, prionace, procaryote, progne subis, prokaryote, prussian blue, purpleness, purplish blue, quandong tree, red-blindness, reddish blue, roquefort, royal blue, russula, sapphire, satin bird, sea onion, service tree, shamrock pea, siamese, silver pine, silver spruce, spring vetchling, stiff gentian, striped marlin, succory, tongue-flower, tongueflower, tree lupine, trompillo, uplifting, verdigris, vervain sage, violet, whale sucker, whinberry, wild clary, wild crocus, wild lupine, willowware, willow bell

agapanthus, ageratum, aphyllanthes, aquamarine, atlas cedar, baby blue-eyes, banded purple, beaugregory, bleu cheese dressing, blonde lilian, blue-eyed mary, blue-green algae, blueberry root, blue cheese dressing, blue columbine, blue marguerite, blue succory, blue vitriol, bonito shark, bottle gentian, brisbane quandong, browallia, bush violet, butterfly pea, campanula, cape forget-me-not, capriciously, cascade penstemon, catananche, caulophyllum, cerulean, chlorophyll a, christmasberry, christmas berry, clinton's lily, clintonia, coelogyne, common camas, common milkwort, common moonseed, common speedwell, creeping bugle, cup and saucer, dangle-berry, dangleberry, desert holly, dog violet, dryland berry, dwarf bilberry, dwarf blueberry, ecchymosis, elsholtzia, engelmann spruce, erect bugle, fairy bluebird, fairy swallow, frijolillo, frijolito, garullus garullus, gentianella, genus nostoc, genus penstemon, german iris, gorgonzola, grape hyacinth, heath violet, helmetflower, helmet flower, hortensia, huckleberry, impregnation, incienso, incredibly, indian beet, indigotin, indigo bird, indigo finch, indigo snake, iris verna, jacob's ladder, johnny-jump-up, jones' penstemon, katsura tree, leather flower, like blue murder, longfin mako, love-in-a-mist, lowbush penstemon, low blueberry, mandrillus sphinx, meadow clary, meadow cranesbill, mertensia, mysticeti, northern parula, oregon grape, out of the blue, painted nettle, palo verde, parula warbler, pennyroyal, periwinkle, pickerelweed, pickerel weed, plantain lily, potato vine, prairie berry, protanopia, purple martin, purple nightshade, recessive gene, rocket larkspur, roquefort dressing, sapphirine, sauvignon grape, scilla verna, scomber scombrus, searcher beetle, sergeant major, serviceberry, shrubby penstemon, siamese cat, silky cornel, silky dogwood, smooth darling pea, southern blue flag, southern harebell, sundial lupine, sydney silky, tall bellflower, trichostema, tritanopia, tritanopic, tufted gentian, tyndall effect, vernal iris, vinca minor, water orchid, western white pine, whalesucker, white admiral, white horse nettle, whitlavia, whortleberry, willow-pattern, wood violet, yellow parilla

african holly, african lily, african tulip, ajuga reptans, alcedo atthis, apple of peru, armillaria, aster shortii, bachelor's button, balaenopteridae, bavarian blue, belted kingfisher, bird of paradise, black bearberry, blue elderberry, blue false indigo, buffalo clover, camassia quamash, canada moonseed, canterbury bell, cardinal tetra, cerulean blue, ceryle alcyon, chinese forget-me-not, cineraria, cleome pinnata, clustered bellflower, collinsia verna, colorado spruce, common hyacinth, common juniper, common mackerel, cornflower aster, cornus amomum, crambe maritima, creeping bellflower, cupric acetate, cyanophyta, dalmatian iris, dryland blueberry, eastern pasque flower, echium vulgare, garden forget-me-not, gentiana acaulis, gentiana pneumonanthe, genus aphyllanthes, genus callinectes, genus felicia, genus lycaena, genus prionace, genus russula, germander speedwell, glycyrrhiza glabra, great lobelia, greek valerian, heliophila, indigo bunting, iris kochii, iris pallida, isurus glaucus, isurus paucus, kingdom monera, kingfisher daisy, lapis lazuli, lardizabala, lily of the nile, mentha pulegium, mountain clematis, nostocaceae, old english sheepdog, pansy violet, penicillium, penstemon dolius, phycocyanin, picea glauca, picea pungens, platte river penstemon, prairie anemone, prionace glauca, purple clematis, pyocyanin, sapphire berry, satin bowerbird, silicon carbide, silky terrier, silver-leaved nettle, silver-leaved nightshade, silverleaf nightshade, silver quandong tree, solanum jasmoides, southern arrow wood, spreading bellflower, strelitzia reginae, texas bluebonnet, tussock bellflower, ultramarine, ultramarine blue, virginia bluebell, virginia cowslip, water hyacinth, water sapphire

alpine bearberry, american flagfish, american hornbeam, archaebacteria, archaebacterium, baptisia australis, blue african lily, blue cardinal flower, boletus subvelutipes, california bluebell, capital of sudan, cedrus atlantica, chrysophrys auratus, class cyanophyceae, cobalt ultramarine, collinsia bicolor, colorado blue spruce, common ageratum, common grape hyacinth, common morning glory, cyanophyceae, davidson's penstemon, drymarchon corais, eichhornia crassipes, erigeron acer, eurasian kingfisher, european brooklime, european roller, gentiana crinita, gentiana procera, gentiana thermalis, genus caulophyllum, genus hydrangea, genus mertensia, genus nemophila, genus phacelia, genus trichostema, genus veronica, geranium pratense, indian tobacco, iris tingitana, iris versicolor, iris virginica, jordanella floridae, juniperus communis, kerry blue terrier, lupinus perennis, maiden blue-eyed mary, matilija poppy, muscari neglectum, nicandra physaloides, nierembergia repens, oregon holly grape, orthochromatic film, parochetus communis, parula americana, parus caeruleus, penstemon cyananthus, penstemon linarioides, penstemon rydbergii, penstemon serrulatus, phacelia minor, pinus jeffreyi, pinus monticola, pulsatilla patens, purple chinese houses, purple virgin's bower, salvia pratensis, salvia reflexa, shenandoah valley, stokesia laevis, swertia perennia, vanda coerulea, veronica agrestis, viburnum dentatum, viola canina, viola pedata, water lobelia, white dogtooth violet, yellow clintonia

aconitum napellus, ajuga genevensis, american pasqueflower, american pennyroyal, anchusa officinalis, anchusa riparia, archaeobacteria, archeobacteria, calathian violet, california tree poppy, calosoma scrutator, campanula medium, campanula trachelium, carcharhinus obscurus, caulophyllum thalictroides, cichorium intybus, clematis versicolor, collinsia parviflora, common european jay, coracias garrulus, cyanobacteria, cynoglossum amabile, delphinium ajacis, elaeocarpus grandis, european blueberry, family nostocaceae, galega officinalis, gaylussacia frondosa, gentiana andrewsii, gentiana calycosa, gentiana holopetala, gentiana quinquefolia, gentianopsis crinita, gentianopsis detonsa, gentianopsis thermalis, genus armillaria, genus lardizabala, genus penicillium, genus trichodesmium, giant potato creeper, isatis tinctoria, japanese wistaria, limenitis arthemis, lobelia dortmanna, lobelia inflata, lupinus arboreus, lupinus subcarnosus, mahonia nervosa, makaira mitsukurii, medicago sativa, mertensia virginica, mexican tulip poppy, nierembergia rivularis, nigella damascena, nymphaea stellata, orontium aquaticum, penstemon davidsonii, pericallis cruenta, pericallis hybrida, pomacentrus leucostictus, prunella vulgaris, romneya coulteri, salvia verbenaca, senecio cruentus, solanum giganteum, solanum wendlandii, stanleya pinnata, suborder mysticeti, vaccinium pallidum, veronica arvensis, veronica chamaedrys

agapanthus africanus, american pulsatilla, arctostaphylos alpina, borago officinalis, brodiaea elegans, calliphora vicina, campanula americana, campanula carpatica, campanula glomerata, campanula rapunculoides, caulophyllum thalictrioides, centaurea cyanus, class cyanobacteria, clintonia borealis, clitoria mariana, collinsia heterophylla, consolida ambigua, cyanocitta cristata, division cyanophyta, dracocephalum parviflorum, eichhornia spesiosa, elegant brodiaea, encelia farinosa, erythronium albidum, family balaenopteridae, felicia bergeriana, gentianella quinquefolia, gentianopsis holopetala, hedeoma pulegioides, ipomoea tricolor, linaria canadensis, myosotis sylvatica, nemophila menziesii, oscillatoriaceae, parkinsonia florida, passerina cyanea, phacelia whitlavia, picea engelmannii, plumbago europaea, polygala vulgaris, pontederia cordata, remilegia australis, salvia farinacea, salvia lancifolia, sambucus caerulea, shenandoah national park, solanum elaeagnifolium, swainsona galegifolia, thelypteris dryopteris, veronica beccabunga, veronica officinalis, viburnum prunifolium

ageratum houstonianum, amsonia tabernaemontana, anemone ludoviciana, aquilegia coerulia, aquilegia vulgaris, boselaphus tragocamelus, campanula divaricata, cercidiphyllum japonicum, conoclinium coelestinum, cynoglossum virginaticum, eupatorium coelestinum, gymnocarpium dryopteris, hyacinthus orientalis, hygrophorus caeruleus, ipomoea purpurea, lobelia siphilitica, lycium carolinianum, nymphaea caerulea, paracheirodon axelrodi, polemonium caeruleum, solenostemon scutellarioides, sophora secundiflora, vaccinium caespitosum, vaccinium pennsylvanicum, wisteria floribunda

campanula persicifolia, campanula rotundifolia, phacelia tanacetifolia, ptilonorhynchus violaceus, vaccinium angustifolium, veronica serpyllifolia

family oscillatoriaceae, hunnemania fumariifolia, hydrangea macrophylla hortensis, meconopsis betonicifolia