Cliff aster (Malacothrix saxatilis)
Composite or sunflower family -- Asteraceae

September 1, 2015.Moonridge Trail

Color: White

Native 

Clustered tarweed (Deinandra fasciculata)

Composite or sunflower family -- Asteraceae

September 1, 2015.  Moonridge Trail

Native

Seed head

Beetle
September 1, 2015. Moonridge Trail

Chaparral mallow, Mendocino bush mallow (Malacothamnus fasciculatus)
Mallow family -- Malvaceae
September 1, 2015. Moonridge Trail
Native

Black mustard (Brassica nigra)

Mustard family -- Brassicaceae

September 1, 2015. Moonridge Trail

Seed head

Invasive

September 1, 2015.  Moonridge Trail

Moon

View

Sacapellote (Acourtia microcephala)

Composite and sunflower family -- Asteraceae

September 1, 2015.  Moonridge Trail

Native

Bush monkeyflower or sticky monkeyflower (Mimulus aurantiacus)

Figwort family -- Scrophulariaceae

September 1, 2015. Moonridge Trail

Native

California brickellbush (Brickellia californica)
Composite or sunflower family -- Asteraceae

September 1, 2015. Moonridge Trail

Native

Oak (Quercus spp.)

Beech or oak family -- Fagaceae

September 1, 2015. Wildwood Canyon Trail

Tree

Native 

Coastal cholla (Cylindropuntia prolifera)
Cactus family -- Cactaceae
September 1, 2015. Moonridge Trail
Native

September 1, 2015.  Moonridge Trail

View

Russian thistle (Salsola tragus)

Goosefoot family -- Chenopodiaceae 

September 1, 2015. Moonridge Trail

Invasive

Coastal sage brush (Artemisia californica)

Composite or sunflower family -- Asteraceae

September 1, 2015. Moonridge Trail

Native

Shrub

California buckwheat (Eriogonum fasciculatum)

Buckwheat family -- Polygonaceae

September 1, 2015. Moonridge Trail

Seeds

Native

Chalk dudleya (Dudleya pulverulenta)

Stonecrop or orpine family -- Crassulaceae

September 1, 2015. Moonridge Trail

Color: Red

Native

Laurel sumac (Malosma laurina)

Cashew or sumac family -- Anacardiaceae

September 1.  Mesa Trail

Color: White

Shrub

Native

Flax-leaved horseweed (Erigeron bonariensis)
Composite or sunflower family -- Asteraceae
September 1, 2015.  Mesa Trail
Color: White

Non-native

Common sandaster (Corethrogyne flaginifolia)
Composite or sunflower family -- Asteraceae
September 1, 2015.  Mesa Trail
Color: Purple

Native

Mule fat or seep willow (Baccharis salicifolia)
Composite or sunflower family -- Asteraceae
September 1, 2015. Mesa Trail
Color: White
Seed head
Native