Clustered tarweed (Deinandra fasciculata)

Composite or sunflower family -- Asteraceae

September 1, 2015.  Moonridge Trail

Native

Seed head

Black mustard (Brassica nigra)

Mustard family -- Brassicaceae

September 1, 2015. Moonridge Trail

Seed head

Invasive

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

Lupine (Lupinus bicolor)
Legume or bean family -- Fabaceae
September 1, 2015. Mesa Trail
Seed head
Native

Tocalote (Centaurea melitensis)

Composite or sunflower family -- Asteraceae

August 9, 2015. Upper Santa Rosa Trail

Seed head

Invasive

White horehound (Marrubium vulgare)
Mint family -- Lamiaceae
August 9, 2015. Upper Santa Rosa Trail

Invasive

Seed head

Purple sage (Salvia leucophylla)

Mint family  -- Lamiaceae

August 9, 2015. Upper Santa Rosa Trail

Native

Seed head

Chaparral yucca (Hesperoyucca whipplei) 

Agave family -- Agavaceae

August 9, 2015. Upper Santa Rosa Trail

Seed head

Native

Mexican whorled milkweed, narrow leaf milkweed (Asclepias fascicularis)
Dogblane family -- Apocynaceae
August 9, 2015. Upper Santa Rosa Trail
Color: White
Native
Seed head

Clustered tarweed (Deinandra fasciculata)

Composite or sunflower family -- Asteraceae

August 9, 2015.  Upper Santa Rosa Trail

Color: Yellow

Native

Seed head

August 9, 2015.  Upper Santa Rosa Trail

Seed head

Question

Phacelia spp. (Phacelia spp)

Borage or forget-me-not family -- Boraginaceae

August 9, 2015. Upper Santa Rosa Trail

Seed Head

Native 

Black mustard (Brassica nigra)

Mustard family -- Brassicaceae

August 9, 2015. Upper Santa Rosa Trail

Color: Yellow

Seed head

Invasive

California encelia, California brittlebush, or bush sunflower (Encelia californica)
Composite or sunflower family -- Asteraceae
August 9, 2015, Upper Santa Rosa Trail
Color: Yellow
Seed head

Native

Clustered tarweed (Deinandra fasciculata)

Composite or sunflower family -- Asteraceae

July 8, 2015.  Upper Santa Rosa Trail

Color: Yellow

Native

Seed head

White horehound (Marrubium vulgare)
Mint family -- Lamiaceae
July 8, 2015. Upper Santa Rosa Trail

Invasive

Seed head

Mexicali onion (Allium peninsulare)

Onion family -- Alliaceae

July 8, 2015.  Upper Santa Rosa Trail

Seed head

Native

Italian thistle (Carduus pycnocephalus)

Composite or sunflower family -- Asteraceae

July 8, 2015. Upper Santa Rosa Trail

Seed head

Invasive

Chaparral yucca (Hesperoyucca whipplei) 

Agave family -- Agavaceae

July 8, 2015. Upper Santa Rosa Trail

Seed head

Native

Milk thistle (Silybum marianum)

Composite or sunflower family -- Asteraceae

July 8, 2015.  Upper Santa Rosa Trail

Seed head

Seeds

Invasive