Tall horseweed, Erigeron canadensis

San Juan Ck Channel, Michelson to Campus, 9-24-11. © Ron Vanderhoff	Tall horseweed Erigeron canadensis (Conyza canadensis) Back to Asteraceae of Orange County, California Back to Plants of Orange County, California Back to Natural History of Orange County, California
James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant	James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant
James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant	James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant
James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant	James Dilley Greenbelt Preserve, Laguna Coast Wilderness Park, Laguna Beach, Orange County, CA. 11/14/2109. © Peter J. Bryant
Barbara's Lake, Lag Cyn., 9-11-11. © Ron Vanderhoff.	C. floribunda (left) and C. canadensis (right). San Juan Ck Channel, Michelson to Campus, 9-24-11. © Ron Vanderhoff.
With spittlebug. San Juan Ck Channel, Michelson to Campus, 9-24-11. © Ron Vanderhoff.	Barbara's Lake, Lag Cyn., 9-11-11. © Ron Vanderhoff.
Laguna Lakes, Lag. Coast Wldns., 7-11-13. © Ron Vanderhoff.