Amaranthaceae
Amaranth Family, Goosefoot Family
Synonyms:
Chenopodiaceae [FNA4, HC]
19 genera
74 species
12 subspecies and varieties
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Amaranthus albuswhite pigweed, tumbleweed
Distribution: Occurring east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Dry, disturbed areas.
Origin: Introduced from tropical America
Flowers: June-September
Amaranthus blitoidesmatweed, prostrate pigweed
Distribution: Introduced in the Pacific Northwest; more common east of the Cascades
Habitat: Dry, disturbed areas
Origin: Introduced from central United States
Flowers: June - September
Amaranthus blitumlivid amaranth, pale amaranth
Origin: Introduced from the tropics
Amaranthus californicusCalifornia amaranth
Origin: Native
Flowers: July - October
Amaranthus caudatus
Origin: Introduced
Amaranthus cruentusblood amaranth, caterpillar amaranth, purple amaranth
Origin: Probably introduced from cultivation in Central America
Amaranthus deflexusArgentina amaranth
Origin: Introduced
Amaranthus hybridusgreen amaranth, hybrid amaranth, smooth amaranth, green pigweed, smooth pigweed
Distribution: Found in much of the United States, but uncommon in the Pacific Northwest; collected in Whitman County
Habitat: Dry areas, disturbed sites, agricultural fields.
Origin: Introduced from riparian zones in eastern North America
Flowers: July - September
Amaranthus hypochondriacus
Origin: Introduced
Amaranthus powelliigreen amaranth, Powell's amaranth
Distribution: Introduced in much of the United States; common in the Pacific Northwest
Habitat: Disturbed areas
Origin: Introduced from the southwestern United States and Mexico
Flowers: July - October
Amaranthus retroflexusredroot pigweed, rough pigweed
Distribution: In scattered locations throughout Washington, but more commonly east of the Cascade crest; widely distributed throughout much of North America.
Habitat: Disturbed areas.
Origin: Introduced from eastern and central North America
Flowers: July-October
Amaranthus tuberculatusrough-fruited waterhemp, tall waterhemp
Distribution: Cosmopolitan weed found throughout North America.
Habitat: Moist or wet disturbed areas, particularly in association with agriculture or roadsides.
Origin: Introduced from the Great Plains of the central United States
Flowers: April-June
Atriplex argenteasilver orache, silverscale orache
Origin: Native
Flowers: July - September
var. argentea – silver saltbush, silverscale
Atriplex canescensfourwing saltbush, hoary saltbush, shadscale, wingscale
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Great Plains.
Habitat: Saline areas in the prairies.
Origin: Native
Flowers: June-August
var. canescens – hoary saltbush
Atriplex dioicathickleaf orach, saline saltbush
Origin: Native
Atriplex gardneriGardner's saltbush
Distribution: Occurring at low elevations in central Washington; Alberta south to California, east to the Great Plains.
Habitat: Sagebrush-steppe desert.
Origin: Native
Flowers: July-September
var. falcata – moundscale, gardner's saltbush, sickle saltbush, saltsage
Atriplex gmeliniiGmelin's orache
Distribution: Occurring along the coast in Washington; Alaska south to California.
Habitat: On coastal beaches, strands, and rocky outcroppings near the high tide in saline soil.
Origin: Native
Flowers: June-September
var. gmelinii – Gmelin's saltbush orach
Atriplex heterospermaorach, Russian atriplex orach
Distribution: Primarily east of the Cascades crest in Washington; occurring in scattered locations throughout North America.
Habitat: Riparian zones and adjacent fields; tolerant of alkaline.
Origin: Introduced from Eurasia
Flowers: June-August
Atriplex hortensisgarden orache, French spinach
Distribution: Occurring east of the Cascades crest in Washington; Alaska south to California, east to the Great Plains and in scattered locations in eastern North America.
Habitat: Disturbed areas, often where seasonally moist.
Origin: Introduced from Asia
Flowers: July-August
Atriplex littoralisgrassleaf orache, narrow-leaved orache
Origin: Introduced from Europe
Flowers: June - September
Atriplex longipeslong-stalked orache, Baltic saltbush
Origin: Introduced
Atriplex oblongifoliaoblongleaf orache
Origin: Introduced from Europe
Atriplex patulahalberdleaf orache, spear oracle
Distribution: Occurring on both sides of the Cascades crest in Washington; occurring in scattered locations throughout North America.
Habitat: Coastal and inland, saline or alkaline soil.
Origin: Introduced from Eurasia
Flowers: June-September
Atriplex prostratafat hen, hastate orache, thin-leaf orache
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington south to California, in scattered location across Canada and the U.S. to the Atlantic Coast.
Habitat: Along the coast in saline soils, beaches, and strands; inland in alkaline soils.
Origin: Introduced from Eurasia
Flowers: June-September
Atriplex roseared orach, tumbling orach
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains; scattered locations in central and eastern U.S.
Habitat: Weedy species of irrigated land and roadsides.
Origin: Introduced from Eurasia
Flowers: July-September
Atriplex semibaccataAustralian saltbush, berry saltbush, creeping saltbush
Distribution: Occasionally introduced in eastern and central WA; scattered localities primarily in southwestern US.
Habitat: Disturbed areas from dry to moist, tolerant of alkaline soils.
Origin: Introduced from Australia
Flowers: April-September
Atriplex truncatawedge orache, wedgeleaf orache, wedgescale orache
Origin: Native
Flowers: June - August
Bassia hyssopifoliabassia, fivehorn smotherweed
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and Great Plains.
Habitat: Noxious weed of waste areas and irrigated farm land.
Origin: Introduced from Eurasia
Flowers: July-September
Bassia scopariared belvedere, mock cypress, summer cypress
Distribution: Occurring chiefly east of the Cascades in Washington; British Columbia to California, east across U.S. and Canada to the Atlantic Coast.
Habitat: Roadsides, fields, wastelots, and other dry, distrubed, open areas at low to middle elevations.
Origin: Introduced from eastern Europe and southestern Asia
Flowers: July-September
Beta vulgariscommon beet
Origin: Introduced
ssp. vulgaris – beet, cultivated beet
Blitum capitatumstrawberry blight, Indian ink, Indian paint
Distribution: In scattered locations in Washington, chiefly east of the Cascades crest; Alaska south to California, east to the Atlantic Coast primarily in the northern half of North America.
Habitat: Weedy native of low to moderate elevations.
Origin: Native
Flowers: June-August
Blitum hastatumOver's Goosefoot
Origin: Introduced?
Blitum nuttallianumNuttall's povertyweed
Distribution: East of the Cascades, southern British Columbia south to southern California, east to Manitoba, Missouri and New Mexico.
Habitat: Dry to moist, saline or alkaline soil, from the desert plains to mid-elevations in he mountains.
Origin: Native
Flowers: May - July
Blitum spathulatumprostrate monolepis
Origin: Native
Blitum virgatumleafy goosefoot
Origin: Introduced
Flowers: June - September
Chenopodiastrum muralenettleleaf goosefoot, wall goosefoot, sowbane
Distribution: Introduced throughout most of North America.
Habitat: Roadsides and waste areas.
Origin: Introduced
Flowers: May - August
Chenopodiastrum simplexgiant goosefoot, maple leaf goosefoot
Distribution: Introduced in much of North America; British Columbia to California in the West.
Habitat: Weed of roadsides and waste areas.
Origin: Native
Flowers: June - September
Chenopodium albumlambsquarters, pigweed
Distribution: Widely distributed throughout Washington; widely distributed throughout much of temperate North America.
Habitat: Widespread weed of disturbed areas, including gardens, roadsides, and waste lots.
Origin: Introduced from Europe, but some populations in the mid-west may be native to North America, according to FNA
Flowers: June-September
Chenopodium atrovirenspinyon goosefoot
Origin: Native
Flowers: June - September
Chenopodium berlandieriBerlandieri's goosefoot
Distribution: Native throughout the United States and Canada
Habitat: Yards, roadsides, sandy washes.
Origin: Native
Flowers: August - September
var. zschackei – pitseed goosefoot
Chenopodium fremontiiFremont's goosefoot
Origin: Native
Flowers: June - September
Chenopodium incognitum
Origin: Introduced
Chenopodium leptophyllumnarrowleaf goosefoot
Distribution: East side of the Cascades, British Columbia to Baja California, east to the Mississippi Valley.
Habitat: Deserts and dry grasslands.
Origin: Native
Flowers: May - August
Chenopodium opulifolium
Origin: Introduced
Chenopodium pratericoladesert goosefoot, narrowleaf goosefoot
Origin: Native
Chenopodium ×schulzeanumhybrid goosefoot
Origin: Native
Chenopodium strictumwhite goosefoot
Origin: Introduced from Eurasia
Chenopodium subglabrumsmooth goosefoot
Origin: Native
Flowers: May - August
Corispermum americanumAmerican bugseed
Origin: Native
var. americanum – American bugseed
Corispermum hookeriHooker's bugseed
Origin: Native
var. pseudodeclinatum – Hooker's bugseed
Corispermum pacificumPacific bugseed
Distribution: Occurring along the Lower Columbia River and east of the Cascades in Washington; central Washington south to northern Oregon, e to western Idaho.
Habitat: Roadsides and waste places.
Origin: Native
Flowers: August-October
Corispermum pallasiiPallas' bugseed
Origin: Introduced
Corispermum pallidumpale bugseed
Origin: Native
Corispermum villosumhairy bugseed
Origin: Native
Cycloloma atriplicifoliumwinged pigweed
Origin: Introduced
Dysphania ambrosioidesMexican tea, wormseed
Distribution: Occurring in scattered locations in Washington; native to southeastern U.S., but introduced in scattered localities in central and western U.S.
Habitat: Roadsides and waste areas, riparian zones, tolerant of alkaline.
Origin: Introduced from southern North America and tropical America
Flowers: July-November
Dysphania botrysJerusalem oak goosefoot, Jerusalem oak
Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.
Habitat: Weed of roadsides, waste areas and streambanks.
Origin: Introduced from Eurasia
Flowers: May-October
Dysphania pumiliosmall crumbweed, clammy goosefoot
Distribution: Introduced over much of the United States.
Habitat: Sandy or gravelly soiles, waste areas.
Origin: Introduced from Australia
Flowers: July - September
Grayia spinosaspiny hopsage
Distribution: Occurring east of the Cascades in Washington; Washington south to California, east to Colorado.
Habitat: Foothills and desert valleys, often in alkaline soil.
Origin: Native
Flowers: April-June
Halogeton glomeratushalogeton, saltlover
Origin: Introduced from Eurasia
Flowers: July - September
Krascheninnikovia lanatawinterfat
Distribution: Occurring east of the Cascades in Washington; Washington south on the east side of the Cascades and Sierra Nevada to California, east to Idaho and Texas.
Habitat: Plains and foothills, often in saline or alkaline soil.
Origin: Native
Flowers: May-July
Micromonolepis pusillared povertyweed
Distribution: Occurring in central Washington; disjunct in central Washington, otherwise from southern Oregon to California, Nevada, Utah, Wyoming, and Colorado.
Habitat: Sagebrush-steppe desert, often where alkaline.
Origin: Native
Flowers: May-June
Oxybasis chenopodioideslow goosefoot, red goosefoot
Origin: Native
Flowers: June - August
Oxybasis glaucaglaucous goosefoot, oakleaf goosefoot
Distribution: Occurring along the southern border east of the Cascades crest in Washington; Alaska south to California, east across the northern half of North America to the Atlantic Coast.
Habitat: Open, sometimes disturbed, areas, often where soil is alkaline or saline.
Origin: Native
Flowers: June-August
ssp. glauca – oak-leaf goosefoot
ssp. salina – Rocky Mountain goosefoot
Oxybasis macrospermalarge seed goosefoot
Origin: Introduced
Oxybasis rubrared goosefoot
Distribution: Widely distributed, British Columbia to Newfoundland, south across the United States.
Habitat: Moist, saline soils.
Origin: Both native and introduced
Flowers: July - October
var. humilis – marshland goosefoot
var. rubra – red goosefoot
Salicornia depressalow saltwort
Origin: Native
Salicornia perennischickenclaws, glasswort, woody glasswort, woody saltwort glasswort, pickelweed, pickleweed
Distribution: Along the coast in Washington; Alaska south to Baja California, also on Atlantic coast, Europe, and Mediterranean region.
Habitat: Salt marshes and beaches along coast.
Origin: Native
Flowers: June-October
Salicornia rubrared glasswort saltwort
Origin: Native
Flowers: July - September
Salsola tragusRussian thistle, tumbleweed
Distribution: Introduced from Eurasia world-wide in arid regions; chiefly east of the Caascades, southern British Columbia to California.
Habitat: Dry, open ground and wasteland.
Origin: Introduced from Eurasia
Flowers: June - August
Spinacia oleraceaspinach
Origin: Introduced from the Mediterranean
Suaeda calceoliformispaiuteweed, common seablite, horned seablite, pahute weed
Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout North America from Alaska south to California, east to the Great Plains, and also along the coast of eastern North America.
Habitat: Open, moist to wet areas, typically where saline.
Origin: Native
Flowers: June-August
Suaeda nigrabushy seablite seepweed
Origin: Native
Suaeda occidentalisslender seablite, western seepweed
Distribution: Eastern Washington to northern Nevada, east through southern Idaho to Colorado.
Habitat: Saline or alkaline flats and marshes in sagebrush area.
Origin: Native
Flowers: Late June - August