31 genera
98 species
38 subspecies and varieties
Show only taxa with photos
Scientific name
Common name
Index to genera:
Agrostemma,
Arenaria,
Atocion,
Cardionema,
Cerastium,
Cherleria,
Corrigiola,
Dianthus,
Dichodon,
Eremogone,
Gypsophila,
Herniaria,
Holosteum,
Honckenya,
Lepyrodiclis,
Loeflingia,
Lychnis,
Moehringia,
Moenchia,
Myosoton,
Polycarpon,
Pseudostellaria,
Sabulina,
Sagina,
Saponaria,
Scleranthus,
Silene,
Spergula,
Spergularia,
Stellaria,
Vaccaria
–
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
– common corncockle
– 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
–
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
– thyme-leaf sandwort
– 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
– 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
–
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
– field chickweed
– 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
– 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
– 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
– 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
–
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
– common chickweed, mouse-ear chickweed
– 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
–
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
– nodding chickweed
– 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
– five-stamen mouse-ear chikweed
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
– 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
– 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
– 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
–
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
– strapwort
–
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
– Deptford pink
–
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
– sweet William
–
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
– maiden pink
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
– 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
–
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
– fescue sandwort, thread-leaved sandwort
–
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
– ballhead sandwort, sharptip sandwort
– ballhead sandwort
– ballhead sandwort
–
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
– Franklin's sandwort
– Thompson's sandwort
– 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
–
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
– hairy rupturewort
–
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
– jagged chickweed
–
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
– sea purslane, seabeach sandwort
– 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
– 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
– 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
– 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
– 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
–
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
– upright chickweed
– 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
–
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
– fourleaf allseed, fourleaf manyseed
– sticky starwort
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho, Wyoming and New Mexico.
Habitat: Moist or dry open woods, rocky slopes and meadows, from moderate to high elevations.
Origin: Native
Flowers: May-July
– basalt sandwort, Olympic sandwort
Distribution: 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
– slender sandwort, slender stitchwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to Oregon.
Habitat: Lowlands, prairies and coastal bluffs.
Origin: Native
Flowers: April-July
–
Nuttall's sandwort
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Sagebrush hills to alpine slopes, especially on gravelly benches or talus.
Origin: Native
Flowers: May-August
– brittle sandwort, brittle stichwort
– Nuttall's sandwort
– 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
– boreal stitchwort
Distribution: Alaska to Greenland, south in the mountains to Oregon and New Mexico
Habitat: Subalpine to alpine meadows, ridges and talus slopes
Origin: Native
Flowers: June - August
– Twin Sisters sandwort
Distribution: Endemic to the Twin Sisters Range in Whatcom County.
Habitat: Rocky outcroppings and exposed areas.
Origin: Native
Flowers: June-August
– annual pearlwort
Distribution: Occurring in the lowlands west of the Cascades crest in Washington; British Columbia south to California; Kansas.
Habitat: Waste ground.
Origin: Introduced from Europe
Flowers: May-June
–
western pearlwort
Distribution: Chiefly west of the Cascades in Washington; British Columbia south to southern California.
Habitat: Moist soil at low elevations, but not typically coastal.
Origin: Native
Flowers: May-August
– western pearlwort
–
stick-stemmed pearlwort
Distribution: Occurring in counties along the coast in Washington; distinctly coastal, Alaska south to Monterey County, California.
Habitat: Moist sand or rocks.
Origin: Native
Flowers: June-September
– stick-stemmed pearlwort
– 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
– 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.
– rock soapwort
Distribution: Garden plant, occasionally escaping but rarely persistent, in the Pacific Coast states and a few states in eastern United States.
Habitat: Old gardens, waste sites and rocky places.
Origin: Introduced from Europe
Flowers: June - July
– bouncing-bet
Distribution: Introduced throughout the United States; found on both sides of the Cascades in Washington.
Habitat: Roadsides and waste ground
Origin: Introduced from Europe
Flowers: July - September
–
annual knawel
Distribution: Occasional introductions throughout the Pacific Northwest
Habitat: Disturbed soils, waste lots, cultivated areas.
Origin: Introduced from Europe
Flowers: April-July
– moss campion
Distribution: Alaska to Oregon, and south in the Rocky Mountains to Arizona
Habitat: Rock crevices and talus slopes at high elevations in the mountains
Origin: Native
Flowers: June - August
– sleepy catchfly
Distribution: Distributed widely throughout Washington; occurring across North America from low elevations to 10,000 feet.
Habitat: Open areas, often where disturbed.
Origin: Native
Flowers: May-August
– 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
–
sand catchfly
Origin: Introduced from Eurasia
Flowers: May - July
– conoid catchfly
Origin: Introduced from Europe
Flowers: May - July
– biennial campion
Distribution: Occurring in scattered locations east of the Cascades crest in Washington; British Columbia south 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
–
forked catchfly
Origin: Introduced from Europe
Flowers: May - July
– red catchfly
Distribution: Occurring in scattered locations in lowland western Washington; British Columbia south to Oregon, east to eastern North America.
Habitat: Disturbed areas, roadsides, and wastelots where escaped from cultivation.
Origin: Introduced from Europe
Flowers: June-August
–
Douglas's silene
Distribution: Widely distributed throughout most of Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Sagebrush plains to mountain slopes.
Origin: Native
Flowers: May-July
– Douglas's catchfly
– Douglas's catchfly
–
ragged-robin
Origin: Introduced
– windmill-pink
Distribution: Occurring in the lowlands west of the Cascades crest in Washington; British Columbia south to California, east to Idaho and Arizona; also in the eastern half of the U.S.
Habitat: Weed of disturbed soil and wasteland.
Origin: Introduced from Europe
Flowers: May-July
– 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
– Menzies' catchfly
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska south to California, east to Montana and New Mexico.
Habitat: Common in open woods from the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: May-August
– night-flowering catchfly
Distribution: Introduced in much of the United States; more common east of the Cascades in Washington.
Habitat: Grain fields and waste areas.
Origin: Introduced from Europe
Flowers: June - August
– 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
– Parry's silene
Distribution: Widely distributed across Washington; Alaska south to Oregon, east in the mountains to Montana and Utah.
Habitat: Open areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-August
Distribution: Occuring in localities on both sides of the Cascades in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Prairies and open timberland, low to moderate elevations.
Origin: Native
Flowers: June-August
– Hall's catchfly
– Scouler's silene
– Seely's silene
Distribution: Wenatchee Mountains, Kittitas and Chelan Counties, Washington.
Habitat: Cliffs and talus slopes at moderate to mid-elevations in the mountains.
Origin: Native
Flowers: Late May - August
– Spalding's silene
Distribution: Occurring in southeastern counties of Washington; southeastern Washington to adjacent northeastern Oregon and western Idaho, also in western Montana.
Habitat: Sagebrush, scabland and ponderosa pine forests.
Origin: Native
Flowers: June-July
– Cascade catchfly
Distribution: Occurring in the Cascades Mountains in Washington; from Mt. Baker, Washington area south to northern California.
Habitat: Alpine and subalpine slopes, often on talus.
Origin: Native
Flowers: June-August
– bladder campion
Distribution: Occurring in many areas throughout Washington; widely distributed throughout North America except along the southern areas of the U.S.
Habitat: Weed of waste ground, usually at lower elevations.
Origin: Introduced from Europe
Flowers: June-August
– corn spurry
Distribution: Introduced in much of the United States; mostly west of the Cascades in Washington and Oregon
Habitat: Weed of waste ground, usually at lower elevations
Origin: Introduced from Europe
Flowers: March - October
– Bocconi's sandspurry
Origin: Introduced
–
Canada sandspurry
Distribution: Along the coast in Washington; Alaska south to California.
Habitat: Coastal tidelands and mudflats.
Origin: Native
Flowers: June-August
– Canadian sandspurry
– alkali sandspurry
Origin: Introduced from Europe
Flowers: April - July
–
beach sandspurry
Distribution: Along the coast in Washington; British Columbia south to Baja California.
Habitat: Along the sea shore, often in salt marshes and rock crevices in the splash zone.
Origin: Native
Flowers: June-September
– beach sandspurry
– red sandspurry
Distribution: Occurring throughout Washington; introduced from Europe and common throughout North America.
Habitat: Weed of gardens, waste places, disturbed grasslands and forest openings.
Origin: Introduced from Europe
Flowers: April-October
– saltmarsh sandspurry
Distribution: Both coastal and inland populations in Washington; Native and introduced throughout North America.
Habitat: Saline or brackish areas along the coast, and alkaline areas inland.
Origin: Introduced
Flowers: May-August
– bog stichwort
Distribution: Occurring west of the Cascades crest in Washington; British Columbia south to Washington in western North America; 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
Distribution: Alaska to California, east to New York and Wyoming.
Habitat: Moist areas, rocky slopes and meadows.
Origin: Native
Flowers: Late May - early August
– boreal starwort
– boreal starwort
– northern bog starwort
Distribution: Circumpolar, south in North America to California, Michegan and New York.
Habitat: Moist meadows and steam banks, low to high elevations.
Origin: Native
Flowers: Late May - Early August
– crisped starwort
Distribution: Alaska to California, east to Alberta and Wyoming.
Habitat: Moist areas in the lowlands and lower mountains.
Origin: Native
Flowers: Late May - Early August
– grass-leaf starwort
Distribution: Introduced and abundant in eastern United States; occasional in western Washington and Idaho.
Habitat: Chiefly in lawns.
Origin: Introduced from Eurasia
Flowers: May - July
– saltmarsh starwort
Distribution: Occurring along the coast in Washington; Alaska south to Oregon, east across Canada to the Atlantic coast; circumpolar.
Habitat: Salt marshes.
Origin: Native
Flowers: June-August
– long-leaved starwort
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout North America except in the south-central and southeastern U.S.
Habitat: Wet meadows, swamps, marshes, forested wetlands at low to moderate elevations.
Origin: Native
Flowers: May-August
–
longstalk starwort
Distribution: Widely distributed throughout Washington; Alaska south to California, east to New York and New Mexico.
Habitat: Moist streambanks and rocky slopes at mid-elevations in the mountains.
Origin: Native
Flowers: May-August
– Goldie's starwort
– common chickweed
Distribution: Widely distributed throughout most of Washington; widely distributed throughout North America.
Habitat: Disturbed areas, often where moist in spring; very common.
Origin: Introduced from Eurasia
Flowers: February-October
– greater chickweed
Origin: Introduced
– shiny starwort
Distribution: British Columbia to Baja California, east to Idaho and Utah.
Habitat: Gravelly prairies and stream banks to grassy hillsides at low elevations.
Origin: Native
Flowers: April - June
– blunt-sepaled starwort
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to the Canadian and Southern Rocky Mountains.
Habitat: Moist forest and riparian zone understory, talus slopes, from low to moderate elevations.
Origin: Native
Flowers: June-July
– lesser chickweed
Origin: Introduced
– umbrella starwort
Distribution: Occurring chiefly east of the Cascades crest in central and south-central Washington; Alaska south to California, east to Northwest Territories, south throughout western U.S.
Habitat: Wetlands, riparian zones, stream banks.
Origin: Native
Flowers: July-August
– cowcockle
Distribution: Occurring in scattered locations across Washington; widely distributed throughout most of North America.
Habitat: Roadsides, railways and old fields.
Origin: Introduced from Europe
Flowers: May-August