Sticky cinquefoil (Drymocallis glandulosa)

Rose family -- Rosaceae
May 13, 2015.  Upper Santa Rosa Trail

Seed head
Native

California soaproot or amole (Chlorogalum pomeridianum)

Agave family -- Agavaceae

May 13, 2015. Upper Santa Rosa Trail

Seed head

Native

Mexicali onion (Allium peninsulare)

Onion family -- Alliaceae

May 13, 2015.  Upper Santa Rosa Trail

Color: Pink, Purple

Seed head

Native

Intermediate sun cups (Camissoniopsis intermedia)
Evening primrose family -- Onagraceae
May 13, 2015. Upper Santa Rosa Trail
Color: Yellow
Seed head
Native

May 13, 2015. Upper Santa Rosa Trail
Question

Coastal sage brush (Artemisia californica)

Composite or sunflower family -- Asteraceae

May 13, 2015. Upper Santa Rosa Trail

Native

Shrub

Southern tauschia, southern umbrellawort (Tauschia arguta)

Carrot or parsley family -- Apiaceae

May 13, 2015.  Upper Santa Rosa Trail

Seed head

Native

Elderberry (Sambucus niger)

Elderberry or moschatel family -- Adoxaceae

May 13, 2015. Upper Santa Rosa Trail

Color: White
Native

Wild hyacinth or blue dicks (Dichelostemma capitatum)

Themidaceae family

May 13, 2015. Upper Santa Rosa Trail

Seed head

Native

May 13, 2015. Upper Santa Rosa Trail
Bee and grass

Caterpillar phacelia (Phacelia cicutaria)

Borage or forget-me-not family -- Boraginaceae

May 13, 2015.  Upper Santa Rosa Trail

Seed head

Native

May 13, 2015. Upper Santa Rosa Trail
Back of Montclef Ridge

Russian thistle (Salsola tragus)

Goosefoot family -- Chenopodiaceae 

May 13, 2015. Upper Santa Rosa Trail

Invasive

Ladies' tobacco or California everlasting (Pseudognaphalium californicum)

Composite or sunflower family -- Asteraceae

May 13, 2015. Upper Santa Rosa Trail

Color: White

Native

Milk thistle (Silybum marianum)

Composite or sunflower family -- Asteraceae

May 13, 2015.  Upper Santa Rosa Trail

Color: Purple

Seed head

Invasive

Cliff aster (Malacothrix saxatilis)
Composite or sunflower family -- Asteraceae
May 13, 2015. Upper Santa Rosa Trail
Color: White
Seed head
Native

Giant wild rye (Elymus condensatus)

Grass family -- Poaceae

May 13, 2015.  Upper Santa Rosa Trail

Native

Chaparral yucca (Hesperoyucca whipplei) 

Agave family -- Agavaceae

May 13, 2015, Upper Santa Rosa Trail

Color: White

Native