Plants with white flowers and opposite or whorled leaves - all habitats


Anemone canadensis

(Canada Anemone)

Anemone cylindrica

(Long-Fruited Anemone)

Anemone quinquefolia

(Wood Anemone)

Anemone virginiana

(Tall Anemone)


Apocynum
androsaemifolium

(Spreading Dogbane)

Apocynum cannabinum

(Indian Hemp)

Asclepias ovalifolia

(Low Milkweed, Dwarf Milkweed)

Asclepias verticillata

(Whorled Milkweed)


Cerastium arvense

(Field Chickweed)

Chaenorhinum minus

(Small Snapdragon)

Circaea alpina

(Small Enchanter's-Nightshade)

Claytonia lanceolata

(Lance-Leaved Spring Beauty)


Clematis ligusticifolia

(Western Clematis)

Collinsia parviflora

(Blue-eyed Mary)

Cornus canadensis

(Bunchberry)

Cornus sericea

(Red-Osier Dogwood)


Elatine triandra

(Three-Stamen Waterwort)

Ellisia nyctelea

(Waterpod, Aunt Lucy)

Epilobium palustre

(Marsh Willowherb)

Eremogone congesta

(Rocky Ground Sandwort)


Euphorbia glyptosperma

(Ridge-Seeded Spurge)

Euphorbia serpyllifolia

(Thyme-Leaved Spurge)

Euphrasia subarctica

(Northern Eyebright)

Galium circaezans

(Northern Bedstraw)


Galium labridoricum

(Labrador Bedstraw)

Gentiana fremontii

(Moss Gentian)

Gentianella amarella

(Northern Gentian)

Geranium richardsonii

(Wild White Geranium)


Gnaphalium palustre

(Western Marsh Cudweed)

Gratiola neglecta

(Clammy Hedge-Hyssop)

Gypsophila paniculata

(Baby's-Breath)

Heuchera parvifolia

(Small-leaved Alumroot)


Houstonia longifolia

(Long-Leaved Bluets)

Leptosiphon

septentrionalis
(Northern Linanthus)

Lithophragma glabrum

(Rockstar)

Lomatogonium rotatum

(Marsh Felwort)


Lonicera tatarica

(Tatarian Honeysuckle)

Lonicera villosa

(Blue Fly Honeysuckle)

Lycopus americanus
(Water-Horehound)

Lycopus asper

(Western Water-Horehound)


Lycopus uniflorus

(Northern Water-Horehound)

Lysimachia maritima

(Sea Milkwort)

Melampyrum lineare

(Cow-Wheat)

Minuartia rubella

(Boreal Sandwort)


Moehringia lateriflora

(Blunt-Leaved Sandwort)

Myosurus minimus

(Least Mousetail)

Myriophyllum sibiricum

(Northern Water-milfoil)

Navarretia leucocephala

(Pincushion Plant)


Penstemon albidus

(White Beardtongue)

Phlox alyssifolia

(Blue Phlox)

Phlox hoodii

(Moss Phlox)

Plagiobothrys scouleri

(Scouler's Popcornflower)


Polanisia dodecandra

(Clammyweed)

Polygala verticillata

(Whorled Milkwort)

Psilocarphus brevissimus
var. brevissimus

(Dwarf Woolly-Heads)

Rhododendron
groenlandicum

(Labrador Tea)


Sambucus racemosa var.

racemosa
(Red Elderberry)

Saponaria officinalis

(Bouncing-Bet)

Silene csereii

(Smooth Catchfly)

Silene menziesii

(Menzies' Catchfly)


Silene noctiflora

(Night-flowerinjg Catchfly)

Stellaria longifolia

(Long-Leaved Stitchwort)

Stellaria longipes

(Long-Stalked Stitchwort)

Symphoricarpos albus

(Snowberry)


Symphoricarpos

occidentalis
(Buckbrush, Western Snowberry)

Trientalis borealis

(Starflower)

Tripterocalyx micranthus

(Sand Verbena)

Trillium cernuum

(Nodding Wakerobin)


Valeriana dioica

(Northern Valerian)

Veronica peregrina

(Hairy Speedwell)

Viburnum edule

(Low Bush-Cranberry)

Viburnum opulus var.
americanum

(High Bush-Cranberry)