Plants with white flowers

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Monotropa uniflora

(Indian-Pipe)

Montia linearis

(Linear-leaved Springbeauty)

Myriophyllum sibiricum

(Northern Water-milfoil)

Navarretia leucocephala

(Pincushion Plant)


Nymphaea leibergii

(Small White Waterlily)

Oenothera cespitosa

(Gumbo Evening Primrose))

Oenothera nuttallii

(White Evening Primrose)

Onosmodium bejariense

var occidentale
(Western False Gromwell)


Orobanche fasciculata

(Clustered Broom-rape)

Orobanche uniflora

(One-Flowered Cancer Root)

Orthilia secunda

(One-Sided Wintergreen)

Osmorhiza berteroi

(Western Sweet Cicely)


Osmorhiza depauperata

(Blunt-Fruited Cicely)

Osmorhiza longistylis

(Long-Styled Sweet Cicely)

Parnassia glauca

(Glaucous Grass of Parnassus)

Parnassia palustris

(Grass of Parnassus)


Penstemon albidus

(White Beardtongue)

Perideridia gairdneri

(Squawroot)

Persicaria lapathifolia

(Pale Persicaria)

Petasites frigidus

(Coltsfoot)


Phlox alyssifolia

(Blue Phlox)

Phlox hoodii

(Moss Phlox)

Plagiobothrys scouleri

(Scouler's Popcornflower)

Plantago patagonica

(Pursh's Plantain)


Platanthera dilatata

(White Bog Orchid)

Platanthera orbiculata

(Round-Leaved Bog Orchid)

Polanisia dodecandra

(Clammyweed)

Polygala alba

(White Milkwort)


Polygala senega

(Seneca Snakeroot)

Polygala verticillata

(Whorled Milkwort)

Polygonum polygaloides
ssp. confertiflorum

(White-Margined Knotweed)

Polygonum polygaloides
ssp. kelloggii

(Small Knotweed)

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