a perennial forb) and blue wild rye (Elymus glaucus Buckley, a perennial grass), was significantly reduced following water extract treatments with blue gum compared with an untreated control or water extract treatments from coast live oak
The Woodland Trail shows coast live oaks
nurturing a rich community of plant life (lemonade berry, toyon).
Species of plant Common name Pteridium aquilinum Western bracken fern Picea engelmannii Blue spruce Toxicodendron diversilobum Poison oak Artemisia californica Coastal sagebrush Artemisia douglasiana Mugwort Baccharis pilularis Coyote brush Lonicera interrupts Chaparral honeysuckle Non-local Lonicera Honeysuckle Sambucus mexicana Blue elderberry Arctostaphylos Manzanita Quercus agrifolia Coast live oak
Quercus douglasii Blue oak Ribes californicum Hillside gooseberry Salvia mellifera Black sage Ceanothus cuneatus Buckbrush Cercocarpus betuloides California mountain-mahogany Rosa californica California wild rose Rubus ursinus Pacific blackberry Galium porrigens Bedstraw
Among those trees currently available are crape myrtle, coast live oak
, holly oak, white alder, Chinese pistachio, 'Raywood' ash, chitalpa, Australian willow, paperbark, camphor, southern Magnolia, 'Purple Robe' black locust, lemon and weeping bottlebrushes, tipu, ginkgo and fern pine.
The pathogen attacks three species of oaks: tanoak, coast live oak
, and black oak.
So far, three species common in coastal woodlands have proved vulnerable: tan oak (Lithocarpus densiflorus), coast live oak
(Quercus agrifolia), and black oak (Quercus kelloggii).
Featuring Coast Live Oak
and California Sycamore trees arranged within a lush landscape, Lakeview's detailed landscaping mirrors the cultural diversity Southern California is known for.
Although trees indigenous to deserts do not provide much shade, native oaks do, particularly the coast live oak
(Quercus agrifolia) and the valley or white oak (Quercus lobata).
Take, for instance, the champion coast live oak
, which grows on a ranch in San Diego County.
Since its appearance in 1995, SOD has killed thousands of coast live oak
, black oak, tanoak and Shreve oak in northern California.
Officials said the fact that this 95-foot-tall valley oak is only several miles away from an old coast live oak
cut down in January is not a sign of a new threat to the area's oaks, but an example of how development has changed environment in Simi Valley.
Sage, ceanothus, wild strawberry and the coast live oak
are among the attractive fire-resistant native plants found on bewaterwise.
Jerry Clark, a landscape architect for the city of Simi Valley, said the nearly 100-foot-tall coast live oak
in the cul-de-sac might have been as old as 700 years.
Their coast live oak
, underplanted with lawn, was struggling.
The deadly disease has killed coast live oak
, tanoak, and California black oak and killed or sickened additional species ranging from bigleaf maple to evergreen huckleberry.