– puncture vine
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across North America to the Atlantic Coast.
Habitat: Noxious weed of sandy soils and roadsides.
Origin: Introduced from Europe and northern Africa
Flowers: May-September
Growth Duration: Annual
– bean-caper
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, eastward in scattered localities to the Atlantic Coast.
Habitat: Disturbed soil and wasteland.
Origin: Introduced from Eurasia
Flowers: June-August
Growth Duration: Perennial