Search Results
Criteria: flower=white; blooms=May;
Number of results: 216
- Sambucus racemosaRed-berried Elder
- Viburnum eduleSquashberry
- Viburnum lentagoNannyberry
- Viburnum opulus var. americanumAmerican Highbush Cranberry
- Viburnum opulus var. opulusGuelder-rose
- Viburnum rafinesquianumDowny Arrow-wood
- Aegopodium podagrariaGoutweed
- Anthriscus sylvestrisWild Chervil
- Heracleum maximumCommon Cow Parsnip
- Lomatium orientaleNorthern Idaho Biscuitroot
- Osmorhiza claytoniiSweet Cicely
- Osmorhiza longistylisAniseroot
- Sanicula trifoliataBeaked Snakeroot
- Calla palustrisWild Calla
- Aralia nudicaulisWild Sarsaparilla
- Hydrocotyle americanaAmerican Water Pennywort
- Panax trifoliusDwarf Ginseng
- Antennaria howelliiHowell's Pussytoes
- Antennaria microphyllaTiny-leaved Pussytoes
- Antennaria neglectaField Pussytoes
- Antennaria parliniiParlin's Pussytoes
- Antennaria parvifoliaSmall-leaved Pussytoes
- Antennaria plantaginifoliaPlantain-leaved Pussytoes
- Erigeron philadelphicusPhiladelphia Fleabane
- Erigeron pulchellusRobin's Plantain
- Petasites frigidusSweet Coltsfoot
- Tripleurospermum inodorumScentless False Mayweed
- Jeffersonia diphyllaTwinleaf
- Podophyllum peltatumMayapple
- Catalpa speciosaNorthern Catalpa
- Ellisia nycteleaAunt Lucy
- Hackelia deflexaNodding Stickseed
- Hydrophyllum virginianumVirginia Waterleaf
- Lappula occidentalisWestern Stickseed
- Lappula squarrosaEuropean Stickseed
- Myosotis vernaSpring Forget-me-not
- Plagiobothrys scouleriSleeping Popcornflower
- Alliaria petiolataGarlic Mustard
- Arabidopsis lyrataLyre-leaved Rock Cress
- Arabidopsis thalianaMouse-ear Cress
- Arabis pycnocarpaHairy Rock Cress
- Armoracia rusticanaHorseradish
- Berteroa incanaHoary Alyssum
- Boechera canadensisSickle-pod
- Boechera collinsiiCollins' Rock Cress
- Boechera dentataToothed Rock Cress
- Boechera grahamiiSpreading-pod Rock Cress
- Boechera laevigataSmooth Rock Cress
- Boechera strictaDrummond's Rock Cress
- Capsella bursa-pastorisShepherd's Purse
- Cardamine bulbosaSpring Cress
- Cardamine concatenataCutleaf Toothwort
- Cardamine impatiensNarrow-leaf Bittercress
- Cardamine parvifloraSmall-flowered Bittercress
- Cardamine pensylvanicaPennsylvania Bittercress
- Cardamine pratensisCuckoo Flower
- Draba arabisansRock Whitlow-grass
- Draba canaHoary Whitlow-grass
- Draba reptansCarolina Whitlow-grass
- Draba vernaSpring Whitlow-grass
- Hesperis matronalisDame's Rocket
- Lepidium densiflorumGreen-flowered Peppergrass
- Nasturtium officinaleWatercress
- Thlaspi arvenseField Pennycress
- Turritis glabraTower Mustard
- Lonicera maackiiAmur Honeysuckle
- Lonicera morrowiiMorrow's Honeysuckle
- Lonicera tataricaTatarian Honeysuckle
- Lonicera X bellaShowy Honeysuckle
- Arenaria serpyllifoliaThyme-leaved Sandwort
- Cerastium arvenseField Chickweed
- Cerastium brachypodumShort-stalked Chickweed
- Cerastium fontanumMouse-ear Chickweed
- Cerastium nutansNodding Chickweed
- Minuartia dawsonensisRock Sandwort
- Moehringia laterifloraBluntleaf Sandwort
- Moehringia macrophyllaLarge-leaved Sandwort
- Myosoton aquaticumGiant Chickweed
- Sagina procumbensBird's-eye Pearlwort
- Silene latifoliaWhite Campion
- Stellaria gramineaLesser Stitchwort
- Stellaria longifoliaLong-leaf Starwort
- Celastrus scandensAmerican Bittersweet
- Comandra umbellataBastard Toadflax
- Cornus alternifoliaPagoda Dogwood
- Cornus canadensisBunchberry
- Cornus sericeaRed-osier Dogwood
- Elaeagnus umbellataAutumn Olive
- Andromeda polifoliaBog Rosemary
- Arctostaphylos uva-ursiBearberry
- Chamaedaphne calyculataLeather-leaf
- Epigaea repensTrailing Arbutus
- Gaultheria hispidulaCreeping Snowberry
- Rhododendron groenlandicumLabrador Tea
- Vaccinium angustifoliumLowbush Blueberry
- Vaccinium caespitosumDwarf Bilberry
- Astragalus alpinusAlpine Milkvetch
- Astragalus lotiflorusLotus Milkvetch
- Astragalus racemosusCream Milkvetch
- Baptisia lacteaWhite Wild Indigo
- Gymnocladus dioicusKentucky Coffee Tree
- Lathyrus ochroleucusCream Pea
- Lupinus polyphyllusLarge-leaved Lupine
- Trifolium repensWhite Clover
- Dicentra canadensisSquirrel Corn
- Dicentra cucullariaDutchman's Breeches
- Geranium bicknelliiBicknell's Cranesbill
- Ribes americanumWild Black Currant
- Ribes cynosbatiPrickly Gooseberry
- Ribes glandulosumSkunk Currant
- Ribes hudsonianumNorthern Black Currant
- Ribes missourienseMissouri Gooseberry
- Sisyrinchium campestrePrairie Blue-eyed Grass
- Triglochin maritimaSeaside Arrowgrass
- Erythronium albidumWhite Trout Lily
- Erythronium propullansDwarf Trout Lily
- Prosartes trachycarpaRough-fruited Fairybells
- Streptopus lanceolatusRose Twisted-stalk
- Floerkea proserpinacoidesFalse Mermaid
- Malva neglectaCommon Mallow
- Malva pusillaRound-leaved Mallow
- Trillium cernuumNodding Trillium
- Trillium flexipesDrooping Trillium
- Trillium grandiflorumLarge-flowered Trillium
- Trillium nivaleSnow Trillium
- Menispermum canadenseCanada Moonseed
- Menyanthes trifoliataBuckbean
- Lysimachia borealisStarflower
- Lysimachia minimaChaffweed
- Cypripedium arietinumRam's-head Lady's-slipper
- Cypripedium candidumSmall White Lady's-slipper
- Oxalis montanaCommon Wood Sorrel
- Sanguinaria canadensisBloodroot
- Bacopa rotundifoliaWater-hyssop
- Penstemon albidusWhite Beardtongue
- Penstemon digitalisFoxglove Beardtongue
- Penstemon pallidusPale Beardtongue
- Plantago elongataSlender Plantain
- Veronica catenataWater Speedwell
- Veronica peregrinaPurslane Speedwell
- Veronica serpyllifoliaThyme-leaf Speedwell
- Phlox subulataCreeping Phlox
- Polygala senegaSeneca Snakeroot
- Claytonia virginicaVirginia Spring Beauty
- Androsace occidentalisWestern Rock Jasmine
- Androsace septentrionalisNorthern Androsace
- Dodecatheon meadiaPrairie Shooting Star
- Actaea pachypodaWhite Baneberry
- Actaea rubraRed Baneberry
- Anemone acutilobaSharp-lobed Hepatica
- Anemone americanaRound-lobed Hepatica
- Anemone canadensisCanada Anemone
- Anemone carolinianaCarolina anemone
- Anemone patensAmerican Pasqueflower
- Anemone quinquefoliaWood Anemone
- Coptis trifoliaThree-leaf Goldthread
- Enemion biternatumFalse Rue Anemone
- Hydrastis canadensisGolden Seal
- Myosurus minimusMousetail
- Thalictrum thalictroidesRue Anemone
- Ceanothus herbaceusNarrow-leaved New Jersey Tea
- Frangula alnusGlossy Buckthorn
- Amelanchier arboreaDowny Serviceberry
- Amelanchier bartramianaMountain Serviceberry
- Amelanchier interiorInland Serviceberry
- Amelanchier laevisSmooth Serviceberry
- Aronia melanocarpaBlack Chokeberry
- Crataegus chrysocarpaFireberry Hawthorn
- Crataegus macracanthaLarge-thorned Hawthorn
- Crataegus macrospermaLarge-seeded Hawthorn
- Crataegus mollisDowny Hawthorn
- Crataegus punctataDotted Hawthorn
- Crataegus submollisQuebec Hawthorn
- Crataegus succulentaFleshy Hawthorn
- Fragaria vescaWoodland Strawberry
- Fragaria virginianaWild Strawberry
- Geum canadenseWhite Avens
- Geum laciniatumRough Avens
- Physocarpus opulifoliusNinebark
- Prunus americanaWild Plum
- Prunus nigraCanada Plum
- Prunus pensylvanicaPin Cherry
- Prunus pumilaSand Cherry
- Prunus serotinaBlack Cherry
- Prunus virginianaChokecherry
- Rubus ablatusPlains Blackberry
- Rubus allegheniensisAllegheny Blackberry
- Rubus ferrofluviusIron River Dewberry
- Rubus idaeusWild Red Raspberry
- Rubus multiferKinnickinnick Dewberry
- Rubus occidentalisBlack Raspberry
- Rubus pubescensDwarf Raspberry
- Rubus rosaRose Blackberry
- Galium aparineSticky-willy
- Galium triflorumFragrant Bedstraw
- Convallaria majalisEuropean Lily-of-the-valley
- Maianthemum canadenseCanada Mayflower
- Maianthemum racemosumFalse Solomon's Seal
- Maianthemum stellatumStarry False Solomon's Seal
- Maianthemum trifoliumThree-leaf False Solomon's-seal
- Acer ginnalaAmur Maple
- Aesculus hippocastanumHorse Chestnut
- Micranthes pensylvanicaSwamp Saxifrage
- Micranthes virginiensisEarly Saxifrage
- Mitella diphyllaTwo-leaf Miterwort
- Scheuchzeria palustrisRannoch-rush
- Solanum carolinenseHorse Nettle
- Staphylea trifoliaBladdernut
- Valeriana edulisEdible Valerian
- Viola incognitaSweet White Violet
- Viola lanceolataLance-leaved Violet
- Viola macloskeyi var. pallensSmall White Violet
- Viola primulifoliaPrimrose-leaved Violet
- Viola renifoliaKidney-leaved Violet
- Viola rugulosaWestern Canada White Violet
- Viola sororiaCommon Blue Violet