| Scientific Name |
Common Name | Photo |
Lifeform |
Nativity |
Abutilon theophrasti
|
velvet leaf, velvetleaf |
© 2008 Louis-M. Landry
(CalPhotos)
|
Annual herb
|
not native |
Acer macrophyllum
|
big leaf maple, bigleaf maple |
© 2006 George W. Hartwell
(CalPhotos)
|
Tree
|
native |
Acer negundo var. californicum
|
box elder, California Box Elder |
© 1995 Saint Mary's College of California
(CalPhotos)
|
Tree
|
native |
Achillea millefolium
|
common yarrow, yarrow |
© 2009 Barry Breckling
(CalPhotos)
|
Perennial herb
|
native |
Achnatherum brachychaetum
|
shortbristled needlegrass, Argentine needlegrass |
© 2001 CDFA
(CalPhotos)
|
Perennial herb
|
not native WEED |
Achnatherum coronatum
|
Giant stipa, giant ricegrass, giant needlegrass |
© 2005 Steve Matson
(CalPhotos)
|
Perennial herb
|
native |
Achnatherum hymenoides
|
Indian ricegrass, Indian Rice grass |
© 2005 Steven Perkins
(CalPhotos)
|
Perennial herb
|
native |
Achyrachaena mollis
|
blow wives, soft blow wives |
© 2003 Barry Breckling
(CalPhotos)
|
Annual herb
|
native |
Acroptilon repens
|
Russian knapweed |
© 2009 Ron Wolf
(CalPhotos)
|
Perennial herb
|
not native INVASIVE WEED |
Adenostoma fasciculatum
|
chamise |
© 2002 Lynn Watson
(CalPhotos)
|
Tree, Shrub
|
native |
Adiantum aleuticum
|
five finger fern, Western Five finger, five fingered fern, five finger maidenhair |
Sherry Ballard© 2001 California Academy of Sciences
(CalPhotos)
|
Fern
|
native |
Aegilops triuncialis
|
barbed goatgrass, goatgrass |
© 2007 Neal Kramer
(CalPhotos)
|
Annual herb
|
not native INVASIVE WEED |
Aesculus californica
|
California buckeye, Shrub california buckeye, Buckeye, California horse chestnut, horse chestnut |
© 1995 Saint Mary's College of California
(CalPhotos)
|
Tree
|
native |
Agoseris heterophylla
|
Annual mountain dandelion, annual agoseris, mountain dandelion |
© 2009 Keir Morse
(CalPhotos)
|
Annual herb
|
native |
Agrostemma githago
|
corncockle, common corncockle |
© 2008 Louis-M. Landry
(CalPhotos)
|
Annual, Perennial herb
|
not native |
Agrostis capillaris
|
colonial bent, colonial bentgrass |
© 2005 Steve Matson
(CalPhotos)
|
Perennial herb
|
not native |
Agrostis exarata
|
spike bentgrass, Spiked Bentgrass, Spike redtop, Spike Bent Grass, bentgrass |
© 2008 Keir Morse
(CalPhotos)
|
Perennial herb
|
native |
Agrostis viridis
|
green bentgrass, Water bent, waterbent, Bentgrass |
No photo available.
|
Perennial herb
|
not native |
Ailanthus altissima
|
tree of heaven, ailanthus |
© 2006 Louis-M. Landry
(CalPhotos)
|
Tree
|
not native INVASIVE |
Aira caryophyllea
|
silver hairgrass, Shiver Grass, Silvery Hairgrass |
© 2004 Carol W. Witham
(CalPhotos)
|
Annual herb
|
not native INVASIVE |
Alhagi pseudalhagi
|
camel thorn |
3301 3809 0054© 2001 CDFA
(CalPhotos)
|
Shrub
|
not native INVASIVE WEED |
Allium falcifolium
|
scytheleaf onion, sickle leaf onion |
© 2006 David McClurg
(CalPhotos)
|
Perennial herb
|
native |
Allium neapolitanum
|
white garlic |
© 2001 CDFA
(CalPhotos)
|
Perennial herb
|
not native |
Allium serra
|
jeweled onion |
© 2003 Tim Sullivan
(CalPhotos)
|
Perennial herb
|
native |
Alnus rhombifolia
|
white alder |
© 2006 Deborah Leonard
(CalPhotos)
|
Tree
|
native |
Alopecurus saccatus
|
foxtail, Pacific foxtail |
© 2004 Carol W. Witham
(CalPhotos)
|
Annual herb
|
native |
Amaranthus blitoides
|
mat amaranth, Prostrate Amaranth, prostrate pigweed |
© 2009 Neal Kramer
(CalPhotos)
|
Annual herb
|
native |
Amaranthus deflexus
|
largefruit amaranth, Amaranth, low amaranth, large fruited amaranth |
© 2006 Luigi Rignanese
(CalPhotos)
|
Annual herb
|
not native |
Amaranthus retroflexus
|
red root pigweed, green amaranth, red rooted amaranth, rough pigweed, redroot amaranth |
© 2005 Louis-M. Landry
(CalPhotos)
|
Annual herb
|
not native |
Ambrosia psilostachya
|
western ragweed, Ragweed |
© 2006 Adonis (Don) Tate
(CalPhotos)
|
Perennial herb
|
native |
Ammannia coccinea
|
purple ammannia, red ammannia |
© 2001 CDFA
(CalPhotos)
|
Annual herb
|
native |
Ammi visnaga
|
toothpickweed, bisnaga |
© 2007 Carol W. Witham
(CalPhotos)
|
Annual, Biennial herb
|
not native |
Ampelodesmos mauritanicus
|
common ampelodesmos |
© 2001 CDFA
(CalPhotos)
|
Perennial herb
|
not native |
Amsinckia lycopsoides
|
tarweed fiddleneck, Bugloss fiddleneck |
© 2004 George W. Hartwell
(CalPhotos)
|
Annual herb
|
native |
Amsinckia menziesii
|
Menzies' fiddleneck, small flowered fiddleneck, Menzie's fiddleneck, Fiddleneck |
© 2006 George W. Hartwell
(CalPhotos)
|
Annual herb
|
native |
Amsinckia menziesii var. intermedia
|
common fiddleneck, Fiddleneck, orange flowered Menzies' fiddleneck |
© 2003 Lynn Watson
(CalPhotos)
|
Annual herb
|
native |
Anagallis arvensis
|
pimpernel, scarlet pimpernel |
Sherry Ballard© 1999 California Academy of Sciences
(CalPhotos)
|
Annual herb
|
not native |
Anthemis cotula
|
stinking chamomile, Mayweed, Dog Fennel, mayweed, dog fennel |
© 2008 Keir Morse
(CalPhotos)
|
Annual herb
|
not native INVASIVE |
Anthriscus caucalis
|
bur chervil, burr chervil, Bur Chevril |
© 2003 Michael Charters
(CalPhotos)
|
Annual herb, Vine
|
not native |
Apiastrum angustifolium
|
mock parsley, wild celery, wild parsley |
© 2006 Steve Matson
(CalPhotos)
|
Annual herb
|
native |
Apocynum cannabinum
|
Indianhemp dogbane, Indian hemp |
© 1995 Saint Mary's College of California
(CalPhotos)
|
Perennial herb
|
native |
Arbutus menziesii
|
madrone, madrono, Pacific madrone |
© 2007 Julie Kierstead Nelson
(CalPhotos)
|
Tree
|
native |
Arctium lappa
|
greater burdock, great burdock |
© 2005 Louis-M. Landry
(CalPhotos)
|
Perennial herb
|
not native |
Arctostaphylos canescens
|
hoary manzanita |
© 2004 Doreen L. Smith
(CalPhotos)
|
Shrub
|
native |
Arctostaphylos glandulosa
|
Eastwood manzanita, Eastwood's manzanita |
© 1995 Saint Mary's College of California
(CalPhotos)
|
Shrub
|
native |
Arctostaphylos manzanita
|
Common manzanita, whiteleaf manzanita |
Dr. Robert Thomas and Margaret Orr© 1999 California Academy of Sciences
(CalPhotos)
|
Shrub
|
native |
Aristida divaricata
|
spreading threeawn, poverty three awn |
No photo available.
|
Perennial herb
|
native |
Aristolochia californica
|
Dutchmans pipe, Dutchman's pipe, California Pipe Vine, California pipevine |
© 2004 George W. Hartwell
(CalPhotos)
|
Vine, Shrub
|
native |
Artemisia douglasiana
|
Douglas' sagewort, Mugwort, California Mugwort |
© 2002 Lynn Watson
(CalPhotos)
|
Perennial herb
|
native |
Arundo donax
|
giant reed |
© 2008 John Dittes
(CalPhotos)
|
Perennial herb
|
not native INVASIVE |
