Horseshoe Bend, S.A. River, 9-1-11. © Ron Vanderhoff.


Bur-marigold
(Smooth Beggarticks)

Bidens laevis

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Santa Ana River at Martha McLean Park, Riverside, 9--12. © Ron Vanderhoff.
Santa Ana River at Martha McLean Park, Riverside, 9--12. © Ron Vanderhoff.

Horseshoe Bend, S.A. River, 9-1-11. © Ron Vanderhoff.
Yorba Reg. Park and Santa Ana River, E Weir Cyn. Rd., 9-08-13. © Ron Vanderhoff.

Horseshoe Bend, S.A. River, 9-1-11. © Ron Vanderhoff.
Santa Ana Riv., Gypsum Cyn. Rd to 1.2 mi W, 7-19-13. © Ron Vanderhoff.