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