Dysphania
goosefoot, wormseed
3 species
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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