Plants with white flowers and opposite or whorled leaves - grassland


Anemone canadensis

(Canada Anemone)

Anemone cylindrica

(Long-Fruited Anemone)

Apocynum
androsaemifolium

(Spreading Dogbane)

Asclepias ovalifolia

(Low Milkweed, Dwarf Milkweed)


Asclepias verticillata

(Whorled Milkweed)

Cerastium arvense

(Field Chickweed)

Chaenorhinum minus

(Small Snapdragon)

Claytonia lanceolata

(Lance-Leaved Spring Beauty)


Clematis ligusticifolia

(Western Clematis)

Collinsia parviflora

(Blue-eyed Mary)

Ellisia nyctelea

(Waterpod, Aunt Lucy)

Eremogone congesta

(Rocky Ground Sandwort)


Euphorbia glyptosperma

(Ridge-Seeded Spurge)

Euphorbia serpyllifolia

(Thyme-Leaved Spurge)

Gentiana fremontii

(Moss Gentian)

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)


Lysimachia maritima

(Sea Milkwort)

Minuartia rubella

(Boreal Sandwort)

Myosurus minimus

(Least Mousetail)

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)


Saponaria officinalis

(Bouncing-Bet)

Silene csereii

(Smooth Catchfly)

Silene noctiflora

(Night-flowerinjg Catchfly)

Symphoricarpos albus

(Snowberry)


Symphoricarpos

occidentalis
(Buckbrush, Western Snowberry)

Tripterocalyx micranthus

(Sand Verbena)

Veronica peregrina

(Hairy Speedwell)