Bebbia juncea  Sweetbush
PERENNIAL.  A shrubby, weedy ball of coarse green stems with small gray rough-hairy leaves and rayless yellow flowers.  Grows from a woody taproot.  Flowers attract butterflies.  Blooms all summer.  Roadsides, disturbed ground, sandy washes that are subject to erosion.  A pest in suburban yards.
FAMILY:  Asteraceae (Sunflower or Composite Family)