tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
South African bulbous wood sorrel with showy yellow flowers
low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads
any of various low-growing plants of the genus Sagina having small spherical flowers resembling pearls
perennial of the eastern United States having early solitary yellow flowers followed by late petalless flowers; so-called because ice crystals form on it during first frosts
annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers
any plant that crowds out cultivated plants
a black band worn by a man (on the arm or hat) as a sign of mourning
