Caryophyllaceae
Pink Family
32 genera
96 species
36 subspecies and varieties
96 species
36 subspecies and varieties
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Index to genera:
Agrostemma, Arenaria, Atocion, Cardionema, Cerastium, Cherleria, Corrigiola, Dianthus, Dichodon, Engellaria, Eremogone, Gypsophila, Herniaria, Holosteum, Honckenya, Lepyrodiclis, Loeflingia, Lychnis, Moehringia, Moenchia, Myosoton, Polycarpon, Pseudostellaria, Sabulina, Sagina, Saponaria, Scleranthus, Silene, Spergula, Spergularia, Stellaria, VaccariaAgrostemma githago – common corncockle
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides and wasteland.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Annual
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides and wasteland.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Annual
• var. githago – common corncockle
Arenaria paludicola – marsh sandwort
Distribution: Presumed extirpated from Washington; historically west of the Cascades crest along the coast. California to Central America.
Habitat: Swampy places, mostly along coast.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Presumed extirpated from Washington; historically west of the Cascades crest along the coast. California to Central America.
Habitat: Swampy places, mostly along coast.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Arenaria serpyllifolia – thyme-leaf sandwort
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Dry to moist, barren to wooded places.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Dry to moist, barren to wooded places.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
• var. serpyllifolia – thyme-leaf sandwort
Atocion armeria – sweet William catchfly
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Wastelots, roadsides, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Annual
Distribution: Occurring in scattered locations west of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Wastelots, roadsides, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Annual
Cardionema ramosissimum – sandcarpet, sandmat
Distribution: Occurring west of the Cascades crest along the coast in Washington; British Columbia to California.
Habitat: Sandy beaches along the coast.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest along the coast in Washington; British Columbia to California.
Habitat: Sandy beaches along the coast.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Cerastium arvense – starry cerastium, field chickweed, field mouse-ear chickweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America, except for the south-central and southeastern U.S., to the Atlantic Coast.
Habitat: Open slopes and meadows, from coastal cliffs and balds to inland valleys, rocky hillsides, forest openings, and subalpine meadows.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America, except for the south-central and southeastern U.S., to the Atlantic Coast.
Habitat: Open slopes and meadows, from coastal cliffs and balds to inland valleys, rocky hillsides, forest openings, and subalpine meadows.
Origin: Native
Flowers: April-August
Growth Duration: Perennial
• ssp. strictum – field chickweed
Cerastium beeringianum – alpine chickweed
Distribution: Occurring in the North Cascade Mountains in Washington; Alaska to California, east to the Rocky Mountains in the U.S.; east across Canada to the Atlantic coast.
Habitat: Alpine zone, mostly in cirques or on talus.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Occurring in the North Cascade Mountains in Washington; Alaska to California, east to the Rocky Mountains in the U.S.; east across Canada to the Atlantic coast.
Habitat: Alpine zone, mostly in cirques or on talus.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Cerastium brachypetalum – gray mouse-ear chickweed
Distribution: Occurring east of the Cascades crest in southeastern Washington and in the Columbia River Gorge; southern Washington to western Oregon; also occurring in eastern North America.
Habitat: Dry, disturbed areas.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in southeastern Washington and in the Columbia River Gorge; southern Washington to western Oregon; also occurring in eastern North America.
Habitat: Dry, disturbed areas.
Origin: Introduced from Eurasia
Flowers: April-June
Growth Duration: Annual
Cerastium brachypodum – short-stalk mouse-ear chickweed
Distribution: Occurring east of the Cascades crest in central Washington, where disjunct; southeastern Oregon to southern Idaho and southwestern Montana; disjunct in central Washington.
Habitat: Grassy or disturbed areas, often where seasonally wet.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in central Washington, where disjunct; southeastern Oregon to southern Idaho and southwestern Montana; disjunct in central Washington.
Habitat: Grassy or disturbed areas, often where seasonally wet.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Cerastium dichotomum – forked mouse-ear chickweed
Distribution: Occurring in scattered locations east of the Cascades crest in the Columbia River Gorge and in southeastern Washington; Washington to California, east to western Idaho.
Habitat: Disturbed areas, especially along roadsides.
Origin: Introduced from southern Europe
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring in scattered locations east of the Cascades crest in the Columbia River Gorge and in southeastern Washington; Washington to California, east to western Idaho.
Habitat: Disturbed areas, especially along roadsides.
Origin: Introduced from southern Europe
Flowers: April-June
Growth Duration: Annual
Cerastium fontanum – common mouse-ear chickweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Disturbed ground, lawns and gardens
Origin: Introduced from Europe
Flowers: March-September
Growth Duration: Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Disturbed ground, lawns and gardens
Origin: Introduced from Europe
Flowers: March-September
Growth Duration: Biennial, Perennial
• ssp. vulgare – common chickweed, mouse-ear chickweed
Cerastium glomeratum – sticky mouse-ear chickweed
Distribution: Widely distributed on both sides of the Cascades crest in Washington, but more common west of the crest; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Prairies, balds, fields, roadsides, wastelots, and other disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: March-July
Growth Duration: Annual
Distribution: Widely distributed on both sides of the Cascades crest in Washington, but more common west of the crest; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Prairies, balds, fields, roadsides, wastelots, and other disturbed areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: March-July
Growth Duration: Annual
Cerastium nutans – nodding mouse-ear chickweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east across North America except for California, Nevada, and Utah.
Habitat: Dry to moist shorelines, streambanks, fields, and other disturbed, open areas..
Origin: Native
Flowers: April-June
Growth Duration: Annual, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to Oregon, east across North America except for California, Nevada, and Utah.
Habitat: Dry to moist shorelines, streambanks, fields, and other disturbed, open areas..
Origin: Native
Flowers: April-June
Growth Duration: Annual, Perennial
• var. nutans – nodding chickweed
Cerastium pumilum – dwarf mouse-ear chickweed
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon, and from the Great Plains east to the Atlantic Coast.
Habitat: Dry, sandy or gravelly balds, fields, prairies, roadsides, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon, and from the Great Plains east to the Atlantic Coast.
Habitat: Dry, sandy or gravelly balds, fields, prairies, roadsides, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
Cerastium semidecandrum – five-stamen mouse-ear chickweed
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southern British Columbia to Oregon, east to Idaho, also from the Great Plains east to the Atlantic Coast.
Habitat: Prairies, forest edge, fields, roadsides, wastelots, and other open areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southern British Columbia to Oregon, east to Idaho, also from the Great Plains east to the Atlantic Coast.
Habitat: Prairies, forest edge, fields, roadsides, wastelots, and other open areas at low to middle elevations.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
Cerastium tomentosum – snow-in-summer
Distribution: Occurring west of the Cascades crest in lowland western Washington British Columbia to Oregon, east to Montana, Wyoming, Nebraska, the Great Lakes region, and northeastern North America.
Habitat: Fields, roadsides, and wastelots at low elevation.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in lowland western Washington British Columbia to Oregon, east to Montana, Wyoming, Nebraska, the Great Lakes region, and northeastern North America.
Habitat: Fields, roadsides, and wastelots at low elevation.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Perennial
Cherleria biflora – two-flowered sandwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, and in Rocky Mountains to Colorado and Arizona; circumboreal
Habitat: Moist subalpine to alpine slopes, often near snowbanks.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, and in Rocky Mountains to Colorado and Arizona; circumboreal
Habitat: Moist subalpine to alpine slopes, often near snowbanks.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Cherleria obtusiloba – alpine sandwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to central Oregon, east to the Rocky Mountains as far south as New Mexico.
Habitat: Dry, subalpine to alpine slopes and tundra.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to central Oregon, east to the Rocky Mountains as far south as New Mexico.
Habitat: Dry, subalpine to alpine slopes and tundra.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Corrigiola litoralis – strapwort
Distribution: Occurring west of the Cascades crest in southwestern Washington; southern British Columbia to Oregon; also in Maryland.
Habitat: Lake and pond margins, often where disturbed.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Annual, Biennial
Distribution: Occurring west of the Cascades crest in southwestern Washington; southern British Columbia to Oregon; also in Maryland.
Habitat: Lake and pond margins, often where disturbed.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Annual, Biennial
• ssp. litoralis – strapwort
Dianthus armeria – Deptford pink
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, forest edge, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual, Biennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, forest edge, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual, Biennial
• ssp. armeria – Deptford pink
Dianthus barbatus – sweet William
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana, also from the Great Plains east to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana, also from the Great Plains east to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
• ssp. barbatus – sweet William
Dianthus deltoides – maiden pink
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, east across Canada and from the midwestern U.S. to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Perennial
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, east across Canada and from the midwestern U.S. to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed open areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Perennial
• ssp. deltoides – maiden pink
Dichodon viscidus
Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern Washington to northwestern Oregon, also in western Idaho; eastern North America.
Habitat: Silty shores and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern Washington to northwestern Oregon, also in western Idaho; eastern North America.
Habitat: Silty shores and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Engellaria obtusa – blunt-sepaled starwort
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Moist forest and riparian zone understory, talus slopes, from low to moderate elevations.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Moist forest and riparian zone understory, talus slopes, from low to moderate elevations.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Eremogone aculeata – needle-leaf sandwort, prickly sandwort
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to California, east to Montana, Utah, and Nevada.
Habitat: Gravelly sagebrush-covered hills from moderate elevations to the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to California, east to Montana, Utah, and Nevada.
Habitat: Gravelly sagebrush-covered hills from moderate elevations to the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Eremogone capillaris – mountain sandwort, thread-leaved sandwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to northern Oregon and northern Nevada, east to Northwest Territory, Alberta, Idaho, and Montana.
Habitat: Mostly montane to alpine meadows and slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to northern Oregon and northern Nevada, east to Northwest Territory, Alberta, Idaho, and Montana.
Habitat: Mostly montane to alpine meadows and slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
• var. americana – fescue sandwort, thread-leaved sandwort
Eremogone congesta – ballhead sandwort, capitate sandwort
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains.
Habitat: Sagebrush desert to alpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains.
Habitat: Sagebrush desert to alpine slopes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
• var. cephaloidea – ballhead sandwort, sharptip sandwort
• var. congesta – ballhead sandwort
• var. prolifera – ballhead sandwort
Eremogone franklinii – Franklin's sandwort
Distribution: Occurring east of the Cascades crest in central Washington; Washington to Oregon, east to Idaho and Nevada.
Habitat: Sand dunes, scabland, and sagebrush slopes.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in central Washington; Washington to Oregon, east to Idaho and Nevada.
Habitat: Sand dunes, scabland, and sagebrush slopes.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
• var. franklinii – Franklin's sandwort
• var. thompsonii – Thompson's sandwort
Gypsophila paniculata – baby's-breath
Distribution: Occurring east of the Cascades crest in Washington; Northwest Territory and British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed, dry open areas at low elevations.
Origin: Introduced from Asia
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Northwest Territory and British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed, dry open areas at low elevations.
Origin: Introduced from Asia
Flowers: June-September
Growth Duration: Perennial
Herniaria hirsuta – hairy rupturewort
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Washington to California and Arizona, also in scattered locations in eastern North America.
Habitat: Disturbed sandy flats, roadsides, and woodlands at low elevation.
Origin: Introduced from Eurasia and northern Africa
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; Washington to California and Arizona, also in scattered locations in eastern North America.
Habitat: Disturbed sandy flats, roadsides, and woodlands at low elevation.
Origin: Introduced from Eurasia and northern Africa
Flowers: May-July
Growth Duration: Annual
• var. cinerea – hairy rupturewort
Holosteum umbellatum – jagged-chickweed
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Disturbed, open areas in sagebrush desert, roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
Habitat: Disturbed, open areas in sagebrush desert, roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Annual
• ssp. umbellatum – jagged chickweed
Honckenya peploides – sea purslane, seabeach sandwort
Distribution: Occuring west of the Cascades crest in the coastal counties in Washington; Alaska to northern Oregon, east across Canada to coastal northeastern North America; Greenland and arctic Eurasia.
Habitat: Coastal beaches, strands, and sand dunes.
Origin: Native
Flowers: May-September
Growth Duration: Perennial
Distribution: Occuring west of the Cascades crest in the coastal counties in Washington; Alaska to northern Oregon, east across Canada to coastal northeastern North America; Greenland and arctic Eurasia.
Habitat: Coastal beaches, strands, and sand dunes.
Origin: Native
Flowers: May-September
Growth Duration: Perennial
• ssp. major – sea purslane, seabeach sandwort
Lepyrodiclis holosteoides – False jagged-chickweed
Distribution: Occurring east of the Cascades crest in Whitman County, Washington; eastern Washington to adjacent west-central Idaho.
Habitat: Pea and wheat fields, roadsides.
Origin: Introduced
Flowers: May-June
Distribution: Occurring east of the Cascades crest in Whitman County, Washington; eastern Washington to adjacent west-central Idaho.
Habitat: Pea and wheat fields, roadsides.
Origin: Introduced
Flowers: May-June
Loeflingia squarrosa – spreading pygmyleaf
Distribution: Occurring east of the Cascades crest in Washington, where disjunct in Benton County. southeastern Oregon to California, east to the southern Rocky Mountains and southern Great Plains.
Habitat: Dry, sandy, or gravelly desert areas.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington, where disjunct in Benton County. southeastern Oregon to California, east to the southern Rocky Mountains and southern Great Plains.
Habitat: Dry, sandy, or gravelly desert areas.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Lychnis coronaria – rose campion
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho, Montana, and Utah; also in eastern North America.
Habitat: Along roadways, railways and waste land.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to Idaho, Montana, and Utah; also in eastern North America.
Habitat: Along roadways, railways and waste land.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Moehringia lateriflora – blunt-leaf sandwort, bluntleaf sandwort
Distribution: Occurring on both sides of the Cascades crest in Washington, though more common east of the crest; Alaska to Oregon and Nevada, east across most of North America to the Atlantic Coast.
Habitat: Forest understory and edge, open meadows.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington, though more common east of the crest; Alaska to Oregon and Nevada, east across most of North America to the Atlantic Coast.
Habitat: Forest understory and edge, open meadows.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Moehringia macrophylla – large-leaf sandwort
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, also east across Canada to the Great Lakes region and northeastern North America.
Habitat: Moist to dry, shaded to open woods, meadows and rocky slopes in the mountains
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, also east across Canada to the Great Lakes region and northeastern North America.
Habitat: Moist to dry, shaded to open woods, meadows and rocky slopes in the mountains
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Moenchia erecta – upright chickweed
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California, also in scattered locations in other parts of the central and southern U.S.
Habitat: Open, disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California, also in scattered locations in other parts of the central and southern U.S.
Habitat: Open, disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: April-May
Growth Duration: Annual
• ssp. erecta – upright chickweed
Myosoton aquaticum – giant chickweed, water chickweed
Distribution: Occurring east of the Cascades crest in southeastern Washington; British Columbia to Oregon, east to Idaho and Montana; also in central and eastern North America.
Habitat: Stream banks, woods, marshes and wet meadows.
Origin: Introduced from Europe
Flowers: June-October
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in southeastern Washington; British Columbia to Oregon, east to Idaho and Montana; also in central and eastern North America.
Habitat: Stream banks, woods, marshes and wet meadows.
Origin: Introduced from Europe
Flowers: June-October
Growth Duration: Perennial
Polycarpon tetraphyllum – fourleaf allseed, fourleaf manyseed
Distribution: Occurring in scattered locations west of the Cascades crest in lowland western Washington; British Columbia to California, also in the southern U.S.
Habitat: Lawns, meadows, roadsides, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring in scattered locations west of the Cascades crest in lowland western Washington; British Columbia to California, also in the southern U.S.
Habitat: Lawns, meadows, roadsides, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: April-June
Growth Duration: Annual
• ssp. tetraphyllum – fourleaf allseed, fourleaf manyseed
Pseudostellaria jamesiana – sticky chickweed, sticky starwort
Distribution: Occurring chiefly east of the Cascades crest in Washington; Chelan County, Washington to California, east to Idaho, Montana, Wyoming, Utah, and New Mexico.
Habitat: Moist or dry open woods, rocky slopes and meadows, from moderate to high elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; Chelan County, Washington to California, east to Idaho, Montana, Wyoming, Utah, and New Mexico.
Habitat: Moist or dry open woods, rocky slopes and meadows, from moderate to high elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Sabulina basaltica – basalt sandwort, Olympic sandwort
Distribution: Occurring west of the Cascades crest in Washington, where known only from the northeastern Olympic Mountains in Washington.
Habitat: Rocky outcroppings and exposed areas in the subalpine and alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington, where known only from the northeastern Olympic Mountains in Washington.
Habitat: Rocky outcroppings and exposed areas in the subalpine and alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Sabulina macra – slender sandwort, slender stitchwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Oregon.
Habitat: Lowlands, prairies and coastal bluffs.
Origin: Native
Flowers: April-July
Growth Duration: Annual, Perennial
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Oregon.
Habitat: Lowlands, prairies and coastal bluffs.
Origin: Native
Flowers: April-July
Growth Duration: Annual, Perennial
Sabulina nuttallii – Nuttall's sandwort
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush hills to alpine slopes, especially on gravelly benches or talus.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush hills to alpine slopes, especially on gravelly benches or talus.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
• var. fragilis – brittle sandwort, brittle stichwort
• var. nuttallii – Nuttall's sandwort
Sabulina pusilla – annual sandwort, dwarf sandwort, dwarf stitchwort
Distribution: Occurring east of the Cascades crest from Klickitat County to the southeastern counties in Washington; southern Washington to California, east to northeastern Oregon and adjacent Idaho.
Habitat: Dry, rocky cliffs and outcroppings in sagebrush desert to ponderosa pine forest openings.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest from Klickitat County to the southeastern counties in Washington; southern Washington to California, east to northeastern Oregon and adjacent Idaho.
Habitat: Dry, rocky cliffs and outcroppings in sagebrush desert to ponderosa pine forest openings.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Sabulina rubella – boreal stitchwort
Distribution: Occurring on both sides of the Cascades crest in Washington Alaska to California, east to the Rocky Mountains and northern Great Plains, east across Canada to the northeastern North America.
Habitat: Subalpine to alpine meadows, ridges and talus slopes
Origin: Native
Flowers: June - August
Growth Duration: Annual, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington Alaska to California, east to the Rocky Mountains and northern Great Plains, east across Canada to the northeastern North America.
Habitat: Subalpine to alpine meadows, ridges and talus slopes
Origin: Native
Flowers: June - August
Growth Duration: Annual, Perennial
Sabulina sororia – Twin Sisters sandwort
Distribution: Occurring west of the Cascades crest in Washington, where endemic to the Twin Sisters Range in Whatcom County.
Habitat: Rocky outcroppings and exposed areas.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in Washington, where endemic to the Twin Sisters Range in Whatcom County.
Habitat: Rocky outcroppings and exposed areas.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Sagina apetala – annual pearlwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also occurring in Kansas.
Habitat: Waste ground.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also occurring in Kansas.
Habitat: Waste ground.
Origin: Introduced from Europe
Flowers: May-June
Growth Duration: Annual
Sagina decumbens – western pearlwort
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Moist soil at low elevations, but not typically coastal.
Origin: Native
Flowers: May-August
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California.
Habitat: Moist soil at low elevations, but not typically coastal.
Origin: Native
Flowers: May-August
Growth Duration: Annual
• ssp. occidentalis – western pearlwort
Sagina maxima – stick-stemmed pearlwort
Distribution: Occurring west of the Cascades crest in Washington, often along or near the coast; Alaska to California.
Habitat: Moist sand or rocks.
Origin: Native
Flowers: June-September
Growth Duration: Annual, Perennial
Distribution: Occurring west of the Cascades crest in Washington, often along or near the coast; Alaska to California.
Habitat: Moist sand or rocks.
Origin: Native
Flowers: June-September
Growth Duration: Annual, Perennial
• ssp. crassicaulis – stick-stemmed pearlwort
• ssp. maxima – stick-stemmed pearlwort
Sagina procumbens – bird-eye pearlwort
Distribution: Occurring on both sides of the Cascades crest in Washington, though more common west of the crest; Alaska to California, east to the Rocky Mountains, Great Lakes region, and northeastern North America.
Habitat: Moist areas, often where disturbed, at low elevations; common garden weed.
Origin: Introduced from Europe
Flowers: May-October
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington, though more common west of the crest; Alaska to California, east to the Rocky Mountains, Great Lakes region, and northeastern North America.
Habitat: Moist areas, often where disturbed, at low elevations; common garden weed.
Origin: Introduced from Europe
Flowers: May-October
Growth Duration: Perennial
Sagina saginoides – alpine pearlwort, arctic pearlwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains in the U.S. and Alberta; east across northern Canada to Greenland.
Habitat: Open areas, typically where at least seasonally moist, from middle elevations to the alpine.
Origin: Native
Flowers: May-September.
Growth Duration: Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains in the U.S. and Alberta; east across northern Canada to Greenland.
Habitat: Open areas, typically where at least seasonally moist, from middle elevations to the alpine.
Origin: Native
Flowers: May-September.
Growth Duration: Biennial, Perennial
Saponaria ocymoides – rock soapwort
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California; also in scattered states in the central and eastern U.S.
Habitat: Old gardens, waste sites and rocky places.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California; also in scattered states in the central and eastern U.S.
Habitat: Old gardens, waste sites and rocky places.
Origin: Introduced from Europe
Flowers: June-July
Growth Duration: Perennial
Saponaria officinalis – bouncing-bet
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Rocky stream corridors, forest edge, roadsides, and other disturbed, open areas from low to moderate elevations.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Rocky stream corridors, forest edge, roadsides, and other disturbed, open areas from low to moderate elevations.
Origin: Introduced from Europe
Flowers: June-September
Growth Duration: Perennial
Scleranthus annuus – annual knawel
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Saskatchewan, Montana, and Idaho; also from the central U.S. to eastern North America.
Habitat: Disturbed soils, waste lots, and cultivated areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Saskatchewan, Montana, and Idaho; also from the central U.S. to eastern North America.
Habitat: Disturbed soils, waste lots, and cultivated areas.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
• ssp. annuus – annual knawel
Silene acaulis – moss campion
Distribution: Occurring in the Cascades and Olympic Mountains in Washington; Alaska to Oregon, east to the Rocky Mountains, and east across Canada to northeastern North America; circumboreal.
Habitat: Rock crevices and talus slopes at high elevations in the mountains
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in the Cascades and Olympic Mountains in Washington; Alaska to Oregon, east to the Rocky Mountains, and east across Canada to northeastern North America; circumboreal.
Habitat: Rock crevices and talus slopes at high elevations in the mountains
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Silene antirrhina – sleepy catchfly
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Open areas, often where disturbed.
Origin: Native
Flowers: May-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Open areas, often where disturbed.
Origin: Native
Flowers: May-August
Growth Duration: Annual
Silene bernardina – Palmer's catchfly
Distribution: Occurring east of the Cascades crest in Yakima County, where disjunct; Lane County, Oregon to California, Nevada, and Mexico, east to western Idaho; disjunct in Yakima County, WA.
Habitat: Grassy slopes to ponderosa pine forest openings at middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Yakima County, where disjunct; Lane County, Oregon to California, Nevada, and Mexico, east to western Idaho; disjunct in Yakima County, WA.
Habitat: Grassy slopes to ponderosa pine forest openings at middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Silene conoidea – conoid catchfly
Distribution: Occurring east of the Cascades crest in Washington southern British Columbia to California, east to Alberta, Idaho, and Montana; also in Texas and Missouri..
Habitat: Roadsides, fields, and wastelots.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington southern British Columbia to California, east to Alberta, Idaho, and Montana; also in Texas and Missouri..
Habitat: Roadsides, fields, and wastelots.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Silene csereii – biennial campion
Distribution: Occurring in scattered locations east of the Cascades crest in Washington; British Columbia to Washington, east across the central and northern U.S. and Canada to the Atlantic Coast.
Habitat: Disturbed areas including fields, roadsides, and wastelots.
Origin: Introduced
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in scattered locations east of the Cascades crest in Washington; British Columbia to Washington, east across the central and northern U.S. and Canada to the Atlantic Coast.
Habitat: Disturbed areas including fields, roadsides, and wastelots.
Origin: Introduced
Flowers: June-August
Growth Duration: Perennial
Silene dichotoma – forked catchfly
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east across much of North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed areas.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
• ssp. dichotoma – forked catchfly
Silene dioica – red catchfly
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to Oregon, east across the northern U.S. and southern Canada to northeastern North America.
Habitat: Disturbed areas, roadsides, and wastelots where escaped from cultivation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to Oregon, east across the northern U.S. and southern Canada to northeastern North America.
Habitat: Disturbed areas, roadsides, and wastelots where escaped from cultivation.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Silene douglasii – Douglas's catchfly, Douglas's silene
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush plains to mountain slopes.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush plains to mountain slopes.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
• var. douglasii – Douglas's catchfly
• var. rupinae – Douglas's catchfly
Silene gallica – windmill pink
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to California, east to the Rocky Mountains; also in eastern North America.
Habitat: Weed of disturbed soil and wasteland.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in lowland western Washington; British Columbia to California, east to the Rocky Mountains; also in eastern North America.
Habitat: Weed of disturbed soil and wasteland.
Origin: Introduced from Europe
Flowers: May-July
Growth Duration: Annual
Silene latifolia – white campion, evening catchfly
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, meadows, pastures, irrigation ditches, forest edge, thickets, wastelots, and other disturbed open areas, often where moist.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Biennial, Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Roadsides, fields, meadows, pastures, irrigation ditches, forest edge, thickets, wastelots, and other disturbed open areas, often where moist.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Biennial, Perennial
Silene menziesii – Menzies's catchfly
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Common in open woods from low elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Common in open woods from low elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Silene noctiflora – night-flowering catchfly
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east across North America to the Atlantic Coast.
Habitat: Grain fields and waste areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east across North America to the Atlantic Coast.
Habitat: Grain fields and waste areas.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Annual
Silene oregana – Oregon catchfly
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains of Montana and Wyoming, and to northeastern Nevada.
Habitat: Forest openings and meadows from middle elevation to subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains of Montana and Wyoming, and to northeastern Nevada.
Habitat: Forest openings and meadows from middle elevation to subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Silene paradoxa
Distribution: Occurring on Three Sisters Mountain in Whatcom County in Washington, where intentionally introduced and persists; not known elsewhere in North America.
Habitat: Serpentine and ultramafic substrates in the mountains.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on Three Sisters Mountain in Whatcom County in Washington, where intentionally introduced and persists; not known elsewhere in North America.
Habitat: Serpentine and ultramafic substrates in the mountains.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Silene parryi – Parry's, Parry's silene
Distribution: Widely distributed in the mountainous areas in Washington; British Columbia to Oregon, east to Alberta, Montana, and Wyoming.
Habitat: Open areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Widely distributed in the mountainous areas in Washington; British Columbia to Oregon, east to Alberta, Montana, and Wyoming.
Habitat: Open areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Silene scouleri – Scouler's catchfly, Scouler's siliene
Distribution: Occuring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Prairies, forest openings, and meadows from low elevations to the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occuring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Prairies, forest openings, and meadows from low elevations to the alpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
• ssp. hallii – Hall's catchfly, Hall's silene
• ssp. scouleri – Scouler's catchfly, Scouler's silene
Silene seelyi – Seely's silene
Distribution: Occurring east of the Cascades crest in Washington, where endemic to the Wenatchee Mountains of Kittitas and Chelan counties.
Habitat: Cliffs and talus slopes at moderate to mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington, where endemic to the Wenatchee Mountains of Kittitas and Chelan counties.
Habitat: Cliffs and talus slopes at moderate to mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Silene spaldingii – Spalding's catchfly, Spalding's silene
Distribution: Occurring east of the Cascades crest in the eastern and southeastern counties in Washington; eastern Washington to adjacent northeastern Oregon and western Idaho, also in western Montana.
Habitat: Sagebrush, scabland and ponderosa pine forests.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in the eastern and southeastern counties in Washington; eastern Washington to adjacent northeastern Oregon and western Idaho, also in western Montana.
Habitat: Sagebrush, scabland and ponderosa pine forests.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Silene suksdorfii – Cascade catchfly, Suksdorf's catchfly
Distribution: Occurring on both sides of the Cascades crest in Washington; northern Washington to California.
Habitat: Alpine and subalpine slopes, often on talus.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; northern Washington to California.
Habitat: Alpine and subalpine slopes, often on talus.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Silene vulgaris – bladder campion
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to California, east across most of North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: June-August
Growth Duration: Perennial
Spergula arvensis – corn spurry
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: March-October
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across much of North America to the Atlantic Coast.
Habitat: Fields, roadsides, wastelots, and other disturbed areas at low elevations.
Origin: Introduced from Europe
Flowers: March-October
Growth Duration: Annual
Spergularia bocconei – Bocconi's sandspurry
Distribution: Occurring west of the Cascades crest in lowland western Washington; western Washington to California.
Habitat: Saltmarshes and sandy places.
Origin: Introduced
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in lowland western Washington; western Washington to California.
Habitat: Saltmarshes and sandy places.
Origin: Introduced
Flowers: May-July
Growth Duration: Annual
Spergularia canadensis – Canada sandspurry
Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to California; also in central Canada and northeastern North America.
Habitat: Coastal tidelands and mudflats.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to California; also in central Canada and northeastern North America.
Habitat: Coastal tidelands and mudflats.
Origin: Native
Flowers: June-August
Growth Duration: Annual
• var. occidentalis – Canadian sandspurry
Spergularia diandra – alkali sandspurry
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Saskatchewan and Idaho.
Habitat: River shores, often where sandy.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Saskatchewan and Idaho.
Habitat: River shores, often where sandy.
Origin: Introduced from Europe
Flowers: April-July
Growth Duration: Annual
Spergularia macrotheca – beach sandspurry
Distribution: Occurring west of the Cascades crest along the coastal areas in Washington; British Columbia to Baja California.
Habitat: Along the sea shore, often in salt marshes and rock crevices in the splash zone.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest along the coastal areas in Washington; British Columbia to Baja California.
Habitat: Along the sea shore, often in salt marshes and rock crevices in the splash zone.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
• var. macrotheca – beach sandspurry
Spergularia rubra – red sandspurry
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains; also from the Great Lakes region to northeastern North America.
Habitat: Roadsides, parking areas, fields, wastelots, and other disturbed, open areas from low to middle elevations.
Origin: Introduced from Europe
Flowers: April-October
Growth Duration: Annual, Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains; also from the Great Lakes region to northeastern North America.
Habitat: Roadsides, parking areas, fields, wastelots, and other disturbed, open areas from low to middle elevations.
Origin: Introduced from Europe
Flowers: April-October
Growth Duration: Annual, Perennial
Spergularia salina – saltmarsh sandspurry
Distribution: Occurring on both sides of the Cascades crest in Washington British Columbia to California, east across North America.
Habitat: Saline or brackish areas along the coast, and alkaline areas inland.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington British Columbia to California, east across North America.
Habitat: Saline or brackish areas along the coast, and alkaline areas inland.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Biennial, Perennial
Stellaria alsine – bog stitchwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington; native to eastern North America; also introduced in Chile.
Habitat: Streambanks, culverts, ditches, and moist forest edges, typically where disturbed.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington; native to eastern North America; also introduced in Chile.
Habitat: Streambanks, culverts, ditches, and moist forest edges, typically where disturbed.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
Stellaria borealis – boreal starwort, boreal stitchwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes Region, and northeastern North America.
Habitat: Moist or marshy areas from low elevations to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes Region, and northeastern North America.
Habitat: Moist or marshy areas from low elevations to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
• ssp. borealis – boreal starwort
Stellaria calycantha – northern bog starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Moist meadows and steam banks, from low to high elevations.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Moist meadows and steam banks, from low to high elevations.
Origin: Native
Flowers: May-August
Growth Duration: Annual, Perennial
Stellaria crispa – crisped starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, and Montana.
Habitat: Moist areas from the lowlands to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Alberta, Idaho, and Montana.
Habitat: Moist areas from the lowlands to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Stellaria graminea – grass-leaf starwort
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, and from the southern Great Plains east to the Atlantic Coast.
Habitat: Roadsides, fields, pastures, and lawns.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, and from the southern Great Plains east to the Atlantic Coast.
Habitat: Roadsides, fields, pastures, and lawns.
Origin: Introduced from Eurasia
Flowers: May-July
Growth Duration: Perennial
Stellaria humifusa – saltmarsh starwort
Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to Oregon, east across Canada to the Atlantic coast; circumboreal.
Habitat: Salt marshes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest along the coast in Washington; Alaska to Oregon, east across Canada to the Atlantic coast; circumboreal.
Habitat: Salt marshes.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Stellaria longifolia – long-leaved starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, further east across Canada and the northern Great Plains to eastern North America.
Habitat: Wet meadows, swamps, marshes, forested wetlands from low to middle elevations.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, further east across Canada and the northern Great Plains to eastern North America.
Habitat: Wet meadows, swamps, marshes, forested wetlands from low to middle elevations.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Stellaria longipes – longstalk starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across Canada and the northern Great Plains to eastern North America.
Habitat: Moist streambanks and rocky slopes at mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across Canada and the northern Great Plains to eastern North America.
Habitat: Moist streambanks and rocky slopes at mid-elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
• ssp. longipes – Goldie's starwort
Stellaria media – common chickweed
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed areas, often where moist.
Origin: Introduced from Eurasia
Flowers: February-October
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other disturbed areas, often where moist.
Origin: Introduced from Eurasia
Flowers: February-October
Growth Duration: Annual
Stellaria neglecta – greater chickweed
Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington, California, and scattered locations in eastern North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: March-June
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington, California, and scattered locations in eastern North America.
Habitat: Roadsides, fields, wastelots, and other disturbed areas at low elevation.
Origin: Introduced from Europe
Flowers: March-June
Growth Duration: Annual
Stellaria nitens – shiny starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Baja California, east to Montana, Idaho, Utah, and Arizona.
Habitat: Gravelly prairies and stream banks to grassy hillsides at low elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Baja California, east to Montana, Idaho, Utah, and Arizona.
Habitat: Gravelly prairies and stream banks to grassy hillsides at low elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Stellaria pallida – lesser chickweed
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington, also in California, east across the U.S. to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, forest edge, and other disturbed areas, often where seasonally moist, at low elevations.
Origin: Introduced from Europe
Flowers: March-June
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington, also in California, east across the U.S. to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, forest edge, and other disturbed areas, often where seasonally moist, at low elevations.
Origin: Introduced from Europe
Flowers: March-June
Growth Duration: Annual
Stellaria sitchana – Sitka starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist or marshy areas from low elevations to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist or marshy areas from low elevations to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Stellaria umbellata – umbrella starwort
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Wetlands, riparian zones, stream banks.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: Wetlands, riparian zones, stream banks.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Vaccaria hispanica – cowcockle
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, railways, fields, and other disturbed, open areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Roadsides, railways, fields, and other disturbed, open areas.
Origin: Introduced from Europe
Flowers: May-August
Growth Duration: Annual
