Peter's Cyn. Wash, near Walnut, Irvine, 7-1-12. © Ron Vanderhoff. |
Barnyard Grass Echinochloa crus-galli |
S. A. River, vic Gypsum Cyn. Rd., 8-28-14. © Ron Vanderhoff. |
S. A. River, vic Gypsum Cyn. Rd., 8-28-14. © Ron Vanderhoff. |
S. A. River, vic Gypsum Cyn. Rd., 8-28-14. © Ron Vanderhoff. |
Peter's Cyn. Wash, near Walnut, Irvine, 7-1-12. © Ron Vanderhoff. |
San Juan Creek, Ave. Aeropuerto to mouth, 6-30-13. © Ron Vanderhoff. |