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| The CA Invasive Plant Inventory categorizes non-native invasive plants that threaten the state's wildlands. Categorization is based on an assessment of the ecological impacts, invasiveness, and distribution of each plant. www.cal-ipc.org/ip/inventory | ||||||
| 304 PLANTS |
|
Acacia baileyana Bailey acacia, Cootamundra wattle
• invasive non-native
Tree, Shrub 
2020 Jutta Burger
2020 John Rawlings
2020 John Rawlings
|
|
Acacia cyclops Coastal wattle, Cyclops acacia
• invasive non-native
Shrub 
2018 Ron Vanderhoff
2018 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Acacia dealbata Silver wattle
• invasive non-native
Tree, Shrub 
2019 Gary McDonald
2023 Ron Vanderhoff
2019 Gary McDonald
|
|
Acacia melanoxylon Blackwood acacia
• invasive non-native
Tree 
2022 Julian Geoghegan
2019 Julian Geoghegan
2019 Devon Jackson
|
|
Acacia paradoxa Kangaroo thorn
• invasive non-native
Shrub 
2022 Rocky Bajada
2022 Katherine Stratton
2022 Katherine Stratton
|
|
Acacia pycnantha Golden wattle
• invasive non-native
Tree, Shrub 
2023 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Acaena novae-zelandiae Biddy biddy
• invasive non-native
Shrub (stem succulent) 
2018 Hayley Ross
2013 Ramona Robison
2018 Hayley Ross
|
|
Aegilops cylindrica Jointed goat grass, Jointed goatgrass
• invasive non-native
Annual grass 
2021 Aleksandra Evert
2021 Jacob Smith
2018 MCOSD Restoration Crew
|
|
Aegilops triuncialis Barbed goatgrass
• invasive non-native
Annual grass 
2008 Steve Matson
2008 Steve Matson
2018 Scott Oneto
|
|
Ageratina adenophora Sticky snakeroot, Thoroughwort
• invasive non-native
Perennial herb 
2019 Ron Vanderhoff
2017 Keir Morse
2021 Heather Brady DeQuincy
|
|
Agrostis avenacea Pacific bentgrass
• invasive non-native
Perennial grass 
2021 John Rawlings
2016 Andrew Longman
2022 Donald Burk
|
|
Agrostis stolonifera Creeping bentgrass, Redtop
• invasive non-native
Perennial grass 
2018 Rachelle Gray
2018 Rachelle Gray
2018 Rachelle Gray
|
|
Ailanthus altissima Ailanthus, Tree of heaven
• invasive non-native
Tree 
2022 Jenny Gossett
2022 Jenny Gossett
2020 Julie A. Kierstead
|
|
Alopecurus pratensis Meadow foxtail
• invasive non-native
Perennial grass 
2022 Mike Russler
2023 R.A. Chasey
2015 David Greenberger
|
|
Alternanthera philoxeroides Alligator weed, Alligatorweed
• invasive non-native
Perennial herb 
2019 Robin Carter
2023 Ron Vanderhoff
2020 Gina Darin
|
|
Ambrosia trifida Giant ragweed
• invasive non-native
Annual herb  2015 Richard Spellenberg
 2008 Louis-M. Landry
 2010 Jean Pawek
|
|
Ammophila arenaria Beachgrass, European beach grass, European beachgrass
• invasive non-native
Perennial grass 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Anthoxanthum odoratum Sweet vernal grass, Sweet vernalgrass
• invasive non-native
Annual, Perennial grass 
2017 Steve Matson
2017 Steve Matson
2017 Steve Matson
|
|
Araujia sericifera Bladderflower
• invasive non-native
Perennial herb, Vine 
2019 Ron Vanderhoff
2021 Jennifer Mo
2020 Ron Vanderhoff
|
|
Arctotheca calendula Cape weed
• invasive non-native
Annual, Perennial herb 
2017 Derrick Mathews
2021 Patrick Hoffman
2016 Andrea Pickart
|
|
Arctotheca prostrata prostrate cape weed, creeping capeweed
• invasive non-native
Annual, Perennial herb 
2024 David Wolfson
2020 Lenihan Mazur
2021 David Wolfson
|
|
Arundo donax Giant reed
• invasive non-native
Perennial grass 
2013 Miriam Sachs Martin
2020 Jennifer Mo
2018 Ron Vanderhoff
|
|
Asparagus asparagoides African asparagus fern
• invasive non-native
Vine 
2023 Cynthia Powell
2018 Ron Vanderhoff
2022 Joan Miller
|
|
Asphodelus fistulosus Asphodel, Onionweed
• invasive non-native
Perennial herb 
2017 Steve Matson
2017 Steve Matson
2019 Ron Vanderhoff
|
|
Atriplex semibaccata Australian saltbush
• invasive non-native
Perennial herb 
2015 James Bailey
2021 David Wolfson
2020 Ron Vanderhoff
|
|
Avena barbata Slender oat, Slim oat
• invasive non-native
Annual grass 
2018 Julian Geoghegan
2023 David popp
2019 Ron Vanderhoff
|
|
Avena fatua Wild oat, Wildoat
• invasive non-native
Annual grass 
2018 Gary McDonald
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Bassia hyssopifolia Five horn bassia, Fivehorn smotherweed
• invasive non-native
Annual herb 
2019 Ron Vanderhoff
2021 Ron Vanderhoff
2022 Bob Sweatt
|
|
Bellardia trixago Mediterranean lineseed
• invasive non-native
Annual herb 
2016 Michael Mitchell
2016 Michael Mitchell
2015 jamie smith
|
|
Berberis darwinii Darwin's berberis
• invasive non-native
Shrub 
2018 Abbot Chambers
2016 Greg O'Connell
2022 David Strauch
|
|
Berteroa incana Hoary alyssum
• invasive non-native
Annual herb 
2016 Ed King
2008 Louis-M. Landry
2018 Michael Plotz
|
|
Brachypodium distachyon False brome, Purple false brome
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2021 John Rawlings
2019 Ron Vanderhoff
|
|
Brachypodium sylvaticum Slender false brome
• invasive non-native
Perennial grass 
2018 Ecological Concerns Inc
2021 SMCP NRM Intern
2020 John Rawlings
|
|
Brassica nigra Black mustard
• invasive non-native
Annual herb 
2021 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Brassica rapa Common mustard, Field mustard, Rape mustard
• invasive non-native
Annual herb 
2024 David Wolfson
2021 Diane Etchison
2018 Angelique Herman
|
|
Brassica tournefortii Saharan mustard
• invasive non-native
Annual herb 
2023 Julia Markey
2018 Jeffrey Black
2021 Ron Vanderhoff
|
|
Briza maxima Big quaking grass, Big quakinggrass, Rattlesnake grass
• invasive non-native
Annual grass 
2017 Gary McDonald
2018 Bill Schmidt
2017 Gary McDonald
|
|
Bromus diandrus Bromegrass, Ripgut brome, Ripgut grass
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2021 Richard Spjut
2022 Ron Vanderhoff
|
|
Bromus hordeaceus Soft brome, Soft chess
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2018 Gary McDonald
2018 Gary McDonald
|
|
Bromus japonicus Downy sheathed cheat, Hairy chess, Japanese brome
• invasive non-native
Annual grass 
2022 Michelle Peruzzi
2005 Steve Matson
2005 Steve Matson
|
|
Bromus madritensis ssp. rubens Red brome
• invasive non-native
Annual grass 
2015 Chris Jaster
2015 jamie smith
2018 Gary McDonald
|
|
Bromus tectorum Cheatgrass, downy brome, Downy brome grass, Downy chess
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Buddleja davidii Butterfly bush, Summer lilac
• invasive non-native
Tree, Shrub 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cakile maritima European searocket, Sea rocket
• invasive non-native
Annual herb 
2019 Diane Etchison
2021 R.A. Chasey
2019 Diane Etchison
|
|
Carduus acanthoides Plumeless thistle, Spiny plumeless thistle
• invasive non-native
Perennial herb 
2016 Catherine Talbot
2016 Catherine Talbot
2015 Catherine Talbot
|
|
Carduus nutans Musk thistle, Nodding plumeless thistle
• invasive non-native
Perennial herb 
2022 Bob Sweatt
2022 Bob Sweatt
2022 Bob Sweatt
|
|
Carduus pycnocephalus Italian thistle
• invasive non-native
Annual herb 
2019 Gary McDonald
2023 Diana Wahl
2017 Gary McDonald
|
|
Carduus tenuiflorus Italian thistle, Slender flowered thistle, Winged plumeless thistle
• invasive non-native
Annual herb 
2018 Gary McDonald
2018 Gary McDonald
2018 Gary McDonald
|
|
Carex pendula Hanging sedge
• invasive non-native
Perennial grasslike herb 
2015 Andrea Williams
2022 Mitchell Blake
2011 Michael Perlmutter
|
|
Carpobrotus chilensis Sea fig
• invasive non-native
Perennial herb 
2018 Nicole Leatherman
2016 Steve Matson
2021 Cynthia Powell
|
|
Carpobrotus edulis Hottentot fig, Iceplant, Sea fig
• invasive non-native
Perennial herb 
2021 Michelle Karle
2017 Lisa Miller
2018 Cynthia Powell
|
|
Carrichtera annua Wards weed
• invasive non-native
Annual herb 
2017 Jason Giessow
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Carthamus lanatus Woolly distaff thistle
• invasive non-native
Annual herb 
2019 Lenihan Mazur
2019 Danielle Carney
2019 Danielle Carney
|
|
Casuarina equisetifolia Australian Pine, Beach sheoak
• invasive non-native
Tree 
2018 Zoya Akulova
2015 Zoya Akulova
2017 MCOSD EDRR
|
|
Catharanthus roseus Madagascar periwinkle
• invasive non-native
Shrub (stem succulent) 
2020 Karla Navarro
Nick Kurzenko
2005 Luigi Rignanese
|
|
Cenchrus echinatus Southern sandbur
• invasive non-native
Annual grass 
2017 Ron Vanderhoff
2018 michelle peruzzi
2017 Fred Melgert / Carla Hoegen
|
|
Cenchrus longispinus Mat sandbur
• invasive non-native
Annual grass 
2018 James Bailey
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Centaurea calcitrapa Purple star thistle, Red star thistle
• invasive non-native
Annual, Perennial herb 
2021 R.A. Chasey
2019 MCOSD EDRR
2022 R.A. Chasey
|
|
Centaurea diffusa Diffuse knapweed, White knapweed
• invasive non-native
Perennial herb 
2020 David Greenberger
2022 Bob Sweatt
2019 Catherine Talbot
|
|
Centaurea diluta North African knapweed, Star thistle
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2022 Ron Vanderhoff
2018 James Bailey
|
|
Centaurea jacea ssp. pratensis Meadow knapweed
• invasive non-native
Annual, Perennial herb 
2019 Jonathan Lee
2022 Patrick Hoffman
2022 Patrick Hoffman
|
|
Centaurea melitensis Maltese star thistle, Napa star thistle, Tocalote
• invasive non-native
Annual herb 
2019 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Laura Anna Arellano
|
|
Centaurea solstitialis Barnaby's thistle, Yellow star thistle
• invasive non-native
Annual herb 
2022 Cynthia Powell
2019 Arlee Montalvo
2022 Mary Herr
|
|
Centaurea stoebe ssp. micranthos Spotted knapweed
• invasive non-native
Perennial herb 
2021 Patrick Hoffman
2022 Patrick Hoffman
2019 Amanda Mills
|
|
Centaurea virgata var. squarrosa Squarrose knapweed
• invasive non-native
Perennial herb 
2013 Gerald Carr
2013 Gerald Carr
2013 Gerald Carr
|
|
Cestrum parqui Chilean jessamine
• invasive non-native
Tree 
2011 Michael Perlmutter
2011 Michael Perlmutter
2011 Michael Perlmutter
|
|
Chasmanthe floribunda African cornflag, Chasmanthe
• invasive non-native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2017 Ron Vanderhoff
|
|
Chondrilla juncea Hogbite, Skeleton weed
• invasive non-native
Perennial herb 
2021 George Williams
2021 Julia Kosowitz
2021 Bob Sweatt
|
|
• invasive non-native
2022 Ron Vanderhoff
2018 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Cirsium arvense Canada thistle
• invasive non-native
Perennial herb 
2012 Michael Mitchell
2012 Michael Mitchell
2022 Donald Burk
|
|
Cirsium vulgare Bull thistle
• invasive non-native
Perennial herb 
2017 James Bailey
2020 Bob Sweatt
2020 Bob Sweatt
|
|
Clematis vitalba Old man's beard, Traveller's joy
• invasive non-native
Vine 
2015 ken moore
2019 Cynthia Powell
2015 Ellen Uhler
|
|
Colocasia esculenta Taro root
• invasive non-native
Perennial herb 
2017 Ron Vanderhoff
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Conicosia pugioniformis False ice plant, Narrow leaved iceplant
• invasive non-native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Conium maculatum Poison hemlock
• invasive non-native
Perennial herb 
2019 James Bailey
2013 Toni Corelli
2016 Cynthia Powell
|
|
Cordyline australis Cabbage tree
• invasive non-native
Tree 
2013 UCSC Weed Management Group
2021 Ramona Robison
2019 Lenihan Mazur
|
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass 
2018 Ramona Robison
2021 Michelle Karle
2022 Michelle Karle
|
|
Cortaderia selloana Uruguayan pampas grass
• invasive non-native
Perennial grass 
2022 Ken-ichi Ueda
2023 Randall English
2022 Ron Vanderhoff
|
|
Cotoneaster franchetii Cotoneaster, Francheti cotoneaster, Orange cotoneaster
• invasive non-native
Shrub 
2021 Cynthia Powell
2021 Lenihan Mazur
2019 Lenihan Mazur
|
|
Cotoneaster lacteus Milkflower cotoneaster
• invasive non-native
Shrub 
2022 John Doyen
2019 Ron Vanderhoff
2022 John Doyen
|
|
Cotoneaster pannosus Cotoneaster, Silverleaf cotoneaster, Woolly cotoneaster
• invasive non-native
Shrub 
2021 David Wolfson
2019 Cynthia Powell
2018 MCOSD EDRR
|
|
Cotula coronopifolia Brass buttons, Common brassbuttons
• invasive non-native
Perennial herb 
2022 Steve Matson
2022 Steve Matson
2018 Adam Chasey
|
|
Crataegus monogyna Hawthorn
• invasive non-native
Shrub 
2022 Emily R. Allen
2021 Isaac Kreger
2021 Sherry Adams
|
|
Crocosmia Xcrocosmiiflora Coppertips, Montbretia, Falling stars
• invasive non-native
Perennial herb 
2014 Andrea Williams
2019 Lenihan Mazur
2014 Andrew Georgeades
|
|
Crupina vulgaris Bearded creeper, Common crupina
• invasive non-native
Annual herb 
2023 Norm Macdonald
2012 Ramona Robison
2015 Daniel Lay
|
|
Cynara cardunculus Artichoke thistle, Cardoon
• invasive non-native
Perennial herb 
2021 R.A. Chasey
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Cynodon dactylon Bermuda grass, Bermudagrass
• invasive non-native
Perennial grass 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Cynoglossum officinale Gypsyflower, Hound's tongue, Purple houndstongue
• invasive non-native
Perennial herb 
2019 Raymond Gill
2019 Raymond Gill
2019 Raymond Gill
|
|
Cynosurus echinatus Annual dogtail, Bristly dogstail grass, Dogtail grass
• invasive non-native
Annual grass 
2017 Gary McDonald
2010 Julie A. Kierstead
2022 Ron Vanderhoff
|
|
Cytisus multiflorus Spanish broom, White spanishbroom
• invasive non-native
Shrub 
2020 Lenihan Mazur
2020 Lenihan Mazur
2020 Lenihan Mazur
|
|
Cytisus scoparius Scotch broom, Scotchbroom
• invasive non-native
Shrub 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Cytisus striatus Portuguese broom, Striated broom
• invasive non-native
Shrub 
2019 Andy Jones
2021 Cynthia Powell
2021 Cynthia Powell
|
|
Dactylis glomerata Orchard grass, Orchardgrass
• invasive non-native
Perennial grass 
2018 Jennifer Mo
2020 Jim Richards
2017 Gary McDonald
|
|
Datura inoxia Pricklyburr
• invasive non-native
Perennial herb 
Geoff Burleigh
Nick Kurzenko
2007 Louis-M. Landry
|
|
Delairea odorata Cape ivy
• invasive non-native
Perennial herb 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Descurainia sophia Flix weed, Herb sophia
• invasive non-native
Annual herb 
2014 Steve Matson
2021 R.A. Chasey
2014 Steve Matson
|
|
Digitalis purpurea Purple foxglove
• invasive non-native
Perennial herb 
2016 Steve Matson
2016 Steve Matson
2016 Steve Matson
|
|
Dipogon lignosus Okie bean
• invasive non-native
Perennial herb, Vine 
2021 Ron Vanderhoff
2022 Alan Kaufmann
2021 Ron Vanderhoff
|
|
Dipsacus fullonum Fuller's teasel, Fullers' teasel, Wild teasel
• invasive non-native
Perennial herb 
2022 Morgan Stickrod
2017 MCOSD Restoration Crew
2021 Amber Bedgood
|
|
Dipsacus sativus Fuller's teasel, Indian teasel
• invasive non-native
Annual, Biennial herb 
2019 Danielle Carney
2022 Jennifer Mo
2022 David Strauch
|
|
Dittrichia graveolens Stinkwort
• invasive non-native
Annual herb 
2017 Bob Huttar
2019 Ron Vanderhoff
2019 Ron Vanderhoff
|
|
Dittrichia viscosa False yellowhead
• invasive non-native
Perennial herb 
2020 Matthew Perryman
2022 Brad Cook
2021 Phil Calhoun
|
|
Echium candicans Pride of madeira
• invasive non-native
Shrub 
2019 Patrick Furtado
2018 Ron Vanderhoff
2012 Carl Spencer
|
|
Echium plantagineum Salvation echium, Salvation jane, Viper's bugloss
• invasive non-native
Annual, Perennial herb 
2020 John Rawlings
2019 Ken Hickman
2011 Daniel Gluesenkamp
|
|
Egeria densa Brazilian water weed, Brazilian waterweed
• invasive non-native
Perennial herb 
2011 Larry Norall
2014 Richard Chasey
2012 Gina Darin
|
|
Ehrharta calycina Perennial veldt grass, Perennial veldtgrass
• invasive non-native
Perennial grass 
2020 David Greenberger
2019 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Ehrharta erecta Panic veldtgrass, Upright veldt grass
• invasive non-native
Perennial grass 
2023 Rachel Suding
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Ehrharta longiflora Longflowered veldtgrass
• invasive non-native
Annual grass 
2020 Angelique Herman
2020 Angelique Herman
2020 Angelique Herman
|
|
Eichhornia crassipes Common water hyacinth
• invasive non-native
Perennial herb 
2015 Judy and Barry Breckling
2018 Rachelle Gray
2020 Ron Vanderhoff
|
|
Elaeagnus angustifolia Oleaster, Russian olive
• invasive non-native
Tree, Shrub 
2012 Tim Gibson
2019 Joe Woods
2022 Joe Woods
|
|
Elymus caput-medusae Medusa head
• invasive non-native
Annual grass 
2023 Ron Vanderhoff
2019 Jennifer Mo
2011 Steve Matson
|
|
Emex spinosa Devil's thorn, Spiny threecornerjack
• invasive non-native
Annual herb 
2017 Barbara Boethling
2015 Ron Vanderhoff
2017 Barbara Boethling
|
|
Erica lusitanica Spanish heather
• invasive non-native
Shrub 
2021 Patrick Hoffman
2022 Patrick Hoffman
2022 Patrick Hoffman
|
|
Erodium cicutarium Coastal heron's bill, Red stemmed filaree, Redstem stork's bill
• invasive non-native
Annual herb 
2022 Steve Matson
2008 Steve Matson
2022 Steve Matson
|
|
Eucalyptus camaldulensis Red gum, Red river gum, River redgum
• invasive non-native
Tree 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Eucalyptus cladocalyx Sugar gum, Sugargum
• invasive non-native
Tree 
2017 Keir Morse
2010 Michael O'Brien
2011 Michael O'Brien
|
|
Eucalyptus globulus Blue gum, Tasmanian bluegum
• invasive non-native
Tree 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Euphorbia lathyris Compass plant, Gopher plant, Moleplant
• invasive non-native
Annual, Perennial herb 
2017 Aaron Echols
2021 Mike Russler
2017 Ron Vanderhoff
|
|
Euphorbia oblongata Eggleaf spurge
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Randy Huey
2017 Gary McDonald
|
|
Euphorbia terracina carnation spurge, Geraldton carnation weed
• invasive non-native
Perennial herb 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2017 Steve Matson
|
|
Euphorbia virgata Leafy spurge
• invasive non-native
Perennial herb 
2019 Matt Weston
2019 Matt Weston
2015 Dean Kelch
|
|
Fallopia japonica Japanese knotweed
• invasive non-native
Perennial herb 
2021 Margot Cunningham
2019 John Malpas
2019 John Malpas
|
|
Fallopia sachalinensis Giant knotweed
• invasive non-native
Perennial herb 
2022 Patrick Hoffman
2001 CDFA
2023 John Malpas
|
|
Fallopia Xbohemica Bohemian knotweed
• invasive non-native
Perennial herb 
2018 Scot Loring
2018 Scot Loring
2018 Scot Loring
|
|
Festuca arundinacea Alta fescue, Reed fescue, Tall fescue
• invasive non-native
Perennial grass 
2022 Cynthia Powell
2020 Robert Steers
2017 MCOSD EDRR
|
|
Festuca myuros Rattail sixweeks grass
• invasive non-native
Annual grass 
2021 Aaron Echols
2021 Ron Vanderhoff
2022 John Rawlings
|
|
Festuca perennis Italian rye grass
• invasive non-native
Annual, Perennial grass 
2019 Ron Vanderhoff
2017 Gary McDonald
2021 Ron Vanderhoff
|
|
Ficus carica Common fig, Edible fig
• invasive non-native
Tree 
2019 Ron Vanderhoff
2022 Ron Vanderhoff
2018 Vicki Salazar
|
|
Foeniculum vulgare Biscuit root, Sweet fennel
• invasive non-native
Perennial herb 
2019 Nicole Leatherman
2019 Ron Vanderhoff
2018 Henry DiRocco
|
|
Galega officinalis Professor-weed
• invasive non-native
Perennial herb 
2017 Gerald Carr
2017 Gerald Carr
2017 Gerald Carr
|
|
Gazania linearis Gazania, Treasure flower, Treasureflower
• invasive non-native
Perennial herb 
2016 Barbara Boethling
2018 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Genista linifolia Mediterranean broom
• invasive non-native
Shrub 
2017 B.J. Dion
2017 B.J. Dion
2017 B.J. Dion
|
|
Genista monosperma Bridal broom
• invasive non-native
Shrub 
2023 Ron Vanderhoff
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Genista monspessulana French broom
• invasive non-native
Shrub 
2019 Ron Vanderhoff
2019 Ron Vanderhoff
2021 Michelle Karle
|
|
Geranium dissectum Cranesbill, Cut leaved geranium, Cutleaf geranium
• invasive non-native
Annual herb 
2021 Al Keuter
2023 Ron Vanderhoff
2014 Bryan Derr
|
|
Geranium lucidum Shining geranium
• invasive non-native
Annual, Biennial herb 
2021 Dana York
2016 Dr. Amadej Trnkoczy
2017 Domenic Bongio
|
|
Geranium purpureum little Robin
• invasive non-native
Annual, Biennial herb 
2020 Jennifer Mo
2023 Al Keuter
2019 Cynthia Powell
|
|
Glebionis coronaria Crown daisy
• invasive non-native
Annual herb 
2019 Nicole Leatherman
2018 Rachelle Gray
2022 Jennifer Mo
|
|
Glyceria declinata Waxy mannagrass
• invasive non-native
Perennial grass 
2021 David popp
2016 Andrew Longman
2022 David popp
|
|
Grevillea robusta Silkoak
• invasive non-native
Tree 
2021 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Gunnera tinctoria Chilean gunnera
• invasive non-native
Perennial herb (aquatic) 
2011 Michael Perlmutter
2010 Zoya Akulova
2011 Michael Perlmutter
|
|
Gypsophila paniculata Baby's breath
• invasive non-native
Perennial herb 
2018 Joe Woods
2018 Joe Woods
2018 Joe Woods
|
|
Halogeton glomeratus Halogeton, Saltlover
• invasive non-native
Annual herb 
2019 Joe Woods
2019 Joe Woods
2019 Caleb Cole
|
|
Hedera canariensis Canary ivy, Algerian ivy
• invasive non-native
Vine 
2018 Sara Witt
2018 Ron Vanderhoff
2016 Ron Vanderhoff
|
|
Hedera helix English ivy
• invasive non-native
Vine, Shrub 
2019 Claire Mallen
2017 Allison Titus
2022 Catherine Talbot
|
|
Helianthus tuberosus Jerusalem artichoke
• invasive non-native
Perennial herb 
2019 Jennifer Mo
2019 Jennifer Mo
2019 Jennifer Mo
|
|
Helichrysum petiolare Licorice plant
• invasive non-native
Shrub, Vine 
2021 Elliot Gunnison
2022 Mike Russler
2022 Mike Russler
|
|
Heliotropium amplexicaule Clasping heliotrope
• invasive non-native
Perennial herb 
2014 John L. Thompson
2020 Henry Inman
2014 John L. Thompson
|
|
Helminthotheca echioides Bristly ox-tongue
• invasive non-native
Annual, Perennial herb 
2016 Hayley Ross
2019 Rachelle Gray
2012 Elizabeth Brusati
|
|
Hirschfeldia incana Mediterranean hoary mustard, Short podded mustard, Summer mustard
• invasive non-native
Perennial herb 
2017 Gary McDonald
2017 Gary McDonald
2022 Ron Vanderhoff
|
|
Holcus lanatus Common velvetgrass, Velvet grass, Velvetgrass
• invasive non-native
Perennial grass 
2019 Bill Haley
2019 Bill Haley
2019 Bill Haley
|
|
Hordeum marinum Seaside barley
• invasive non-native
Annual grass 
2015 Chris Jaster
2017 Julia Dorosh
2015 Chris Jaster
|
|
Hordeum murinum Farmer's foxtail, Foxtail barley, Mouse barley
• invasive non-native
Annual grass 
2018 Gary McDonald
2019 Gary McDonald
2017 Gary McDonald
|
|
Hydrilla verticillata Hydrilla, Waterthyme
• invasive non-native
Perennial herb  2001 CDFA
 2001 CDFA
 2001 CDFA
|
|
Hyparrhenia hirta Thatching grass
• invasive non-native
Perennial grass  2008 Steve Matson
 2008 Steve Matson
|
|
Hypericum androsaemum Sweet amber
• invasive non-native
Shrub 
2018 Zoya Akulova
2023 Jennifer Mo
2023 Jennifer Mo
|
|
Hypericum canariense Canary island st. johnswort
• invasive non-native
Shrub 
2019 Patrick Furtado
2019 Patrick Furtado
2015 Leah Bedoian
|
|
Hypericum grandifolium malfurada
• invasive non-native
Shrub 
2019 Jill Adams
2018 Steven Cognac
2018 Steven Cognac
|
|
Hypericum perforatum Common st. johnswort, Klamath weed, Klamathweed
• invasive non-native
Perennial herb 
2020 Bob Sweatt
2018 stephen rosenthal
2020 Bob Sweatt
|
|
Hypochaeris glabra Smooth cat's ear
• invasive non-native
Annual herb 
2020 Ron Vanderhoff
2017 Gary McDonald
2019 Ron Vanderhoff
|
|
Hypochaeris radicata Hairy cats ear, Hairy catsear, Rough cat's ear
• invasive non-native
Perennial herb 
2024 Ron Vanderhoff
2017 Gary McDonald
2016 Michael Mitchell
|
|
Ilex aquifolium English holly, Holly
• invasive non-native
Tree, Shrub 
2021 Cynthia Powell
2021 Donald Burk
2019 Tatiana Manzanillo
|
|
Ipomoea indica Oceanblue morning glory
• invasive non-native
Perennial herb  2012 Neal Kramer
 2006 Luigi Rignanese
|
|
Iris pseudacorus Horticultural iris, Paleyellow iris, Yellowflag iris
• invasive non-native
Perennial herb 
2021 Jennifer Mo
2021 Mary Herr
2017 Nick Graver
|
|
Isatis tinctoria Dyer's woad, Dyers woad
• invasive non-native
Biennial, Perennial herb 
2019 Dana York
2019 Julie Kierstead Nelson
2021 Steve Matson
|
|
Kniphofia uvaria Redhot poker
• invasive non-native
Perennial herb 
2022 Michael Mitchell
2021 Avis Boutell
2013 Michael Mitchell
|
|
Kochia scoparia Common red sage, Mexican fireweed, Summer cypress
• invasive non-native
Annual herb 
2013 Daniel Lubin
2013 Daniel Lubin
2013 Daniel Lubin
|
|
Lantana camara Lantana
• invasive non-native
Shrub 
2021 Ron Vanderhoff
2022 David Strauch
2022 David Strauch
|
|
Lepidium appelianum Hairy whitetop
• invasive non-native
Perennial herb 
2019 Richard Spjut
2017 Leif Johnson
2019 Richard Spjut
|
|
Lepidium chalepense Lens-podded hoary cress
• invasive non-native
Annual, Perennial herb 
2021 Donald Burk
2021 Donald Burk
2021 Ramona Robison
|
|
Lepidium draba Whitetop
• invasive non-native
Perennial herb 
2020 Ron Vanderhoff
2021 Mike Russler
2020 Ron Vanderhoff
|
|
Lepidium latifolium Broad leaved pepper grass, Broadleaved pepperweed, Perennial pepperweed
• invasive non-native
Perennial herb 
2022 Donald Burk
2020 Ron Vanderhoff
2021 Michelle Karle
|
|
Leptospermum laevigatum Australian tea tree
• invasive non-native
Shrub 
2018 Emma Havstad
2018 Michael Chasse
2019 Patrick Furtado
|
|
Leucanthemum vulgare Oxe eye daisy, Oxeye daisy
• invasive non-native
Perennial herb 
2020 Kim Cabrera
2019 Julian Geoghegan
2017 James Gonsman
|
|
Ligustrum lucidum Glossy privet
• invasive non-native
Tree, Shrub 
2021 Alex Nikolaou
2021 Ron Vanderhoff
2017 Ron Vanderhoff
|
|
Limnobium laevigatum West indian spongeplant
non-native
Perennial herb 
2020 Patrick Hoffman
2021 Robin Carter-Ervin
2021 Robin Carter-Ervin
|
|
Limonium duriusculum European sea lavender
• invasive non-native
Perennial herb 
2016 Ron Vanderhoff
2016 Ron Vanderhoff
2019 Amanda Swanson
|
|
Limonium ramosissimum Algerian sealavender
non-native
Perennial herb 
2017 Ron Vanderhoff
2015 Ron Vanderhoff
2018 Ron Vanderhoff
L. durusculum LEFT. L. ramosissimum RIGHT.
|
|
Linaria dalmatica ssp. dalmatica Dalmatian toadflax
• invasive non-native
Perennial herb 
2021 Dennis Diaz
2016 Phil Zortman
2019 Caleb Cole
|
|
Linaria vulgaris Butter and eggs
• invasive non-native
Perennial herb 
2020 Bob Sweatt
2020 Bob Sweatt
2019 Bob Sweatt
|
|
Lobularia maritima Sweet alyssum
• invasive non-native
Perennial herb 
2016 Michael Mitchell
2016 Michael Mitchell
2019 Patrick Furtado
|
|
Ludwigia hexapetala Ludwigia, Six petal water primrose
• invasive non-native
Perennial herb 
2009 Keith Gagomiros
2021 Charles Russell
2019 Ron Vanderhoff
|
|
Ludwigia peploides Floating primrose willow, Floating water primrose, Marsh purslane
• invasive non-native
Perennial herb 
2022 David Strauch
2019 Lenihan Mazur
2019 Patrick Furtado
|
|
Lythrum hyssopifolium Hyssop loosestrife
• invasive non-native
Annual, Perennial herb 
2019 Diane Etchison
2021 Cynthia Powell
2020 Ron Vanderhoff
|
|
Lythrum salicaria Purple loosestrife
• invasive non-native
Perennial herb 
2021 David popp
2015 Jean B Henney
2020 Katie Rian
|
|
Malephora crocea Coppery mesembryanthemum
• invasive non-native
Perennial herb 
2022 Ron Vanderhoff
2022 Daniel Huynh
2021 Ron Vanderhoff
|
|
Marrubium vulgare White horehound
• invasive non-native
Perennial herb 
©2013 Gary McDonald
2015 Diane Etchison
2018 Nancy Hamlett
|
|
Maytenus boaria Mayten
• invasive non-native
Tree, Shrub 
2021 Julian Geoghegan
2021 Julian Geoghegan
2022 Jacob Martin
|
|
Medicago polymorpha Bur clover, Bur medic, California burclover
• invasive non-native
Annual herb 
2019 Gary McDonald
2019 Gary McDonald
2019 Gary McDonald
|
|
Mentha pulegium Pennyroyal
• invasive non-native
Perennial herb 
2014 James Gonsman
2022 R.A. Chasey
2015 Chris Jaster
|
|
Mesembryanthemum crystallinum Common iceplant, Crystalline ice plant
• invasive non-native
Annual herb 
2019 Naomi Goegan
2019 Nathan Taxel
2022 David Strauch
|
|
Mesembryanthemum nodiflorum Slender leaved ice plant, Slenderleaf iceplant, Small flowered iceplant
• invasive non-native
Annual herb 
2009 Howard Clark
2021 Michelle Karle
2019 Jennifer Mo
|
|
Myoporum laetum Lollypop tree, Ngaio tree
• invasive non-native
Tree, Shrub 
2018 Ron Vanderhoff
2017 James Bailey
2022 Ron Vanderhoff
|
|
Myosotis latifolia Broadleaf forget me not, Forget me not, Wide leaved forget me not
• invasive non-native
Perennial herb 
2019 Cynthia Powell
2018 Tim Lewis
2022 Ecological Concerns Inc
|
|
Myriophyllum aquaticum Parrot feather watermilfoil, Parrot's feather, Parrotfeather
• invasive non-native
Perennial herb (aquatic) 
2018 Sarah Inman
2016 Ross Hinderer
2019 Patrick Furtado
|
|
Myriophyllum spicatum American milfoil, Eurasian milfoil, Spike watermilfoil
• invasive non-native
Perennial herb 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Ron Vanderhoff
|
|
Stipa tenuissima Finestem needlegrass, Mexican feathergrass
• invasive non-native
Perennial grass 
2020 Ron Vanderhoff
2018 michelle peruzzi
2020 Ron Vanderhoff
|
|
Nicotiana glauca Tree tobacco
• invasive non-native
Tree, Shrub 
2019 Jean B Henney
2017 Steve Matson
2017 Steve Matson
|
|
Nothoscordum gracile Slender false garlic
• invasive non-native
Perennial herb 
2017 Ron Vanderhoff
2021 Friends of Five Creeks volunteers
2021 Friends of Five Creeks volunteers
|
|
Olea europaea Olive
• invasive non-native
Tree, Shrub 
2022 Donald Burk
2021 Thomas Reyes
2022 Ron Vanderhoff
|
|
Oncosiphon piluliferum Stinknet
non-native
Annual herb 
2020 Lana Nguyen
2019 Ron Vanderhoff
2020 Hailey Laskey
|
|
Ononis alopecuroides Foxtail restharrow
• invasive non-native
Annual herb  2018 Joe DiTomaso
 2018 Joe DiTomaso
 2018 Joe DiTomaso
|
|
Onopordum acanthium Scotch cottonthistle
• invasive non-native
Perennial herb 
2021 Diana Wing
2019 Catherine Talbot
2018 Joe Woods
|
|
Onopordum illyricum Illyrian cottonthistle, Illyrian thistle
• invasive non-native
Annual, Biennial herb 
2021 Nancy Barrera
2021 Nancy Barrera
2021 Nancy Barrera
|
|
Oxalis pes-caprae Bermuda buttercup, Sourgrass
• invasive non-native
Perennial herb 
2015 Richard Chasey
2017 Angelique Herman
2019 Gary McDonald
|
|
Paraserianthes lophantha Plume albizia
non-native
Shrub 
2024 Karen Gravely
2023 Ron Vanderhoff
2023 Ron Vanderhoff
|
|
Parentucellia viscosa Yellow glandweed, Yellow parentucellia
• invasive non-native
Annual herb 
2021 Janice Kuch
2022 Donald Burk
2017 Eric Wrubel
|
|
Parthenium hysterophorus Santa maria feverfew
• invasive non-native
Perennial herb 
2019 Nathan Taxel
2019 Nathan Taxel
2018 Ron Vanderhoff
|
|
Paspalum urvillei Vasey's grass
• invasive non-native
Perennial grass 
2021 Jennifer Mo
2021 Jennifer Mo
2022 Jennifer Mo
|
|
Paspalum vaginatum Seashore paspalum
• invasive non-native
Perennial grass 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
• invasive non-native
Vine 
2016 Patrick Nicholson
2017 Ramona Robison
2019 Ramona Robison
|
|
Pennisetum clandestinum Kikuyu grass, Kikuyugrass
• invasive non-native
Perennial grass 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2017 Josh Nuzzo
|
|
Pennisetum setaceum Crimson fountaingrass, Fountaingrass
• invasive non-native
Perennial grass 
2023 Ron Vanderhoff
2021 Steve Matson
2021 Steve Matson
|
|
Pennisetum villosum Feathertop
• invasive non-native
Perennial grass 
2018 Ron Vanderhoff
2023 Ron Vanderhoff
2021 Julian Geoghegan
|
|
Persicaria wallichii Himalayan knotweed
• invasive non-native
Perennial herb 
2017 Redwood Community Action Agency
2019 David Juliano
2014 Ramona Robison
|
|
Phalaris aquatica Bulbous canarygrass, Harding grass
• invasive non-native
Perennial grass 
2018 Thomas Reyes
2021 Lenihan Mazur
2022 Lenihan Mazur
|
|
Phoenix canariensis Canary island date palm
• invasive non-native
Tree 
2020 Ron Vanderhoff
2022 Ron Vanderhoff
2021 James Bailey
|
|
Phytolacca americana American pokeweed, Pokeberry
• invasive non-native
Perennial herb 
2009 Julie A. Kierstead
2021 Donald Burk
2022 Donald Burk
|
|
Pittosporum undulatum Australian cheesewood, Victorian box
• invasive non-native
Tree, Shrub 
2018 Ron Vanderhoff
2017 UCSC Weed Management Group
2018 Ron Vanderhoff
|
|
Plantago lanceolata English plantain, Narrow leaved plantain, Ribgrass
• invasive non-native
Perennial herb 
2017 Gary McDonald
2019 Joe Engelbrecht
2021 Ken Lunders
|
|
Plecostachys serpyllifolia Petite-licorice
• invasive non-native
2018 Ron Vanderhoff
2021 Ron Vanderhoff
2018 Ron Vanderhoff
|
|
Poa pratensis Kentucky blue grass, Kentucky bluegrass
• invasive non-native
Perennial grass 
2013 Andrea Williams
2008 Keir Morse
2013 Andrea Williams
|
|
Polygala myrtifolia Myrtle leaf milkwort
• invasive non-native
Shrub 
2019 MCOSD EDRR
2015 Pete Frye
2017 MCOSD EDRR
|
|
Polypogon monspeliensis Annual beard grass, Rabbitsfoot grass
• invasive non-native
Annual grass 
2008 Steve Matson
2014 Steve Matson
2008 Steve Matson
|
|
Potamogeton crispus Crispate leaved pondweed, Curly pondweed, Cut leaved pondweed
• invasive non-native
Perennial herb (aquatic) 
2021 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Prunus cerasifera Cherry plum
• invasive non-native
Tree 
2021 MCOSD EDRR
2019 MCOSD EDRR
2015 jamie smith
|
|
Pyracantha angustifolia Narrowleaf firethorn
• invasive non-native
Shrub 
2018 Abbot Chambers
2019 Abbot Chambers
2018 Chris Qian
|
|
Pyracantha coccinea Scarlet firethorn
• invasive non-native
Shrub 
2019 Randy Huey
2005 Luigi Rignanese
2005 Luigi Rignanese
|
|
Pyracantha crenulata Nepalese firethorn
• invasive non-native
Shrub 
2022 Morgan Stickrod
2022 Morgan Stickrod
2018 Joe DiTomaso
|
|
Pyrus calleryana Callery pear
• invasive non-native
Tree 
2021 Randy Huey
2022 Donald Burk
2017 Marabeth Grahame
|
|
Ranunculus repens Creeping buttercup, Crowfoot, creeping buttercup
• invasive non-native
Perennial herb 
2022 Bob Sweatt
2021 Norma Solarz
2017 Elliot Gunnison
|
|
Raphanus sativus Cultivated radish, Jointed charlock, Wild radish
• invasive non-native
Annual, Biennial herb 
2017 Lisa Miller
2020 Ron Vanderhoff
2023 Julia Markey
|
|
Rhamnus alaternus Italian buckthorn
• invasive non-native
Shrub 
2020 James Bailey
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Acroptilon repens Russian knapweed
non-native
Perennial herb 
2017 Barbara Boethling
2014 Steve Matson
2017 Barbara Boethling
|
|
Ricinus communis Castor bean, Castorbean
• invasive non-native
Shrub 
2017 Henry DiRocco
2020 Aaron Echols
2022 Ron Vanderhoff
|
|
Robinia pseudoacacia Black locust
• invasive non-native
Tree 
2021 Ron Vanderhoff
2021 David Wolfson
2015 Ron Vanderhoff
|
|
Romulea rosea Rosy sandcrocus
• invasive non-native
Perennial herb 
2022 Lenihan Mazur
2022 Lenihan Mazur
2018 Robin Hunter
|
|
Rubus armeniacus Himalayan blackberry, black berry, Armenian blackberry
• invasive non-native
Shrub 
2014 James Gonsman
2020 Julie A. Kierstead
2018 Richard Spjut
|
|
Rumex acetosella Common sheep sorrel
• invasive non-native
Perennial herb 
2017 Gary McDonald
2008 Steve Matson
2019 Patrick Furtado
|
|
Rumex crispus Curly dock, Curly leaved dock, Rhubarb
• invasive non-native
Perennial herb 
2018 Tim Lewis
2019 Diane Etchison
2023 Ron Vanderhoff
|
|
Rytidosperma caespitosum Tufted wallaby grass
• invasive non-native
Perennial grass 
2022 Diana Wahl
2019 Stephany Dery
2008 Neal Kramer
|
|
Rytidosperma penicillatum Purple awned wallaby grass , Hairy oat grass, Poverty grass
• invasive non-native
Perennial grass 
2019 Eric Wrubel
2014 Alex Beakes
2018 Sarah Inman
|
|
Saccharum ravennae Ravennagrass
• invasive non-native
Perennial grass 
2011 Ramona Robison
2009 baelin inc
2022 Grace Ferguson
|
|
Salpichroa origanifolia Lily of the valley vine
• invasive non-native
Perennial herb 
2014 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Salsola paulsenii Barbwire russian thistle, Paulsen's russian thistle
• invasive non-native
Annual, Perennial herb  2005 Steve Matson
 2005 James M. Andre
|
|
Salsola soda Alkali russian thistle, Oppositeleaf russian thistle
• invasive non-native
Annual herb 
2021 Jennifer Mo
2022 Cynthia Powell
2016 Cal-IPC
|
|
Salsola tragus Prickly russian thistle, Russianthistle, Tumbleweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2018 Angelique Herman
2023 Cynthia Powell
|
|
Salvia aethiopis Mediterranean sage
• invasive non-native
Perennial herb 
2018 Matt Berger
2001 CDFA
2001 CDFA
|
|
Salvinia molesta Kariba weed
• invasive non-native
Annual, Perennial herb  2010 Barry Rice
 2009 Barry Rice
 2009 Barry Rice
|
|
Saponaria officinalis Bouncing bet, Bouncingbet, Soapwort
• invasive non-native
Perennial herb 
2022 Mike Russler
2022 Mike Russler
2022 Mike Russler
|
|
Scabiosa atropurpurea Pincushion flower, Pincushion plant, Pincushions
• invasive non-native
Annual herb 
2021 Ken Lunders
2021 Mike Russler
2021 Eric Wrubel
|
|
Schinus molle Peruvian pepper tree, Peruvian peppertree
• invasive non-native
Tree 
2021 stephen rosenthal
2017 William McCarey
2023 Ron Vanderhoff
|
|
Schinus terebinthifolius Brazilian pepper tree, Brazilian peppertree
• invasive non-native
Tree, Shrub 
2019 Ron Vanderhoff
2022 Ron Vanderhoff
2017 Angelique Herman
|
|
Schismus arabicus Arabian schismus, Mediterranean grass
• invasive non-native
Annual grass 
2020 Ron Vanderhoff
2017 James Bailey
2022 Katherine Stratton
|
|
Schismus barbatus Common mediterranean grass, Old han schismus
• invasive non-native
Annual grass 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Ron Vanderhoff
|
|
Scolymus hispanicus Common goldenthistle, Golden thistle
• invasive non-native
Perennial herb  2004 Dr. Amadej Trnkoczy
 2001 CDFA
|
|
Senecio glomeratus Cutleaf burnweed
• invasive non-native
Annual, Perennial herb 
2015 Lynn Overtree
2023 R.A. Chasey
2021 Mary Conway
|
|
Senecio jacobaea Stinking willie, Tansy ragwort
• invasive non-native
Perennial herb 
2022 Michael Weldon
2022 Michael Weldon
2018 Jennifer Mo
|
|
Senecio linearifolius Australian fireweed
• invasive non-native
Annual, Perennial herb 
2020 Ron Vanderhoff
2021 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Sesbania punicea Red sesbania, Rattlebox
• invasive non-native
Shrub 
2020 Jennifer Mo
2017 Ellen Uhler
2021 HARDEEP BAINS
|
|
Silybum marianum Blessed milkthistle, Milk thistle
• invasive non-native
Annual, Perennial herb 
2020 Nancy Hamlett
2019 Marisa Persaud
2018 Angelique Herman
|
|
Sinapis arvensis Charlock mustard
• invasive non-native
Annual herb 
2020 Randy Huey
2022 Mike Russler
2023 Andy Ford
|
|
Sisymbrium irio London rocket
• invasive non-native
Annual herb 
2022 Ron Vanderhoff
2022 Ron Vanderhoff
2022 Mike Russler
|
|
Solanum aviculare New Zealand nightshade
• invasive non-native
Shrub 
2018 Ron Vanderhoff
2017 Nick Graver
2020 Claire Elliott
|
|
Solanum carolinense Carolina horse nettle, Carolina horsenettle
• invasive non-native
Perennial herb 
2011 Michael O'Brien
2017 Wynn Anderson
2001 CDFA
|
|
Spartina alterniflora Salt water cord grass, Smooth cordgrass
• invasive non-native
Perennial grass 
2014 Vertin Alvarez
2014 Vertin Alvarez
2009 Zoya Akulova
|
|
Spartina anglica Common cordgrass
• invasive non-native
Perennial grass  2018 Joe DiTomaso
 2018 Joe DiTomaso
|
|
Spartina densiflora Dense flowered cord grass, Denseflower cordgrass
• invasive non-native
Perennial grass  2001 Joe DiTomaso
 2001 Joe DiTomaso
 2001 Joe DiTomaso
|
|
Spartina patens Salt meadow cord grass, Saltmeadow cordgrass
• invasive non-native
Perennial grass  2000 Joe DiTomaso
 2011 Steve Matson
|
|
Spartium junceum Gorse, Spanish broom
• invasive non-native
Shrub 
2020 Ron Vanderhoff
2006 Jennifer Naegele
2021 Mary Herr
|
|
Sphaerophysa salsula Alkali swainsonpea, Austrian peaweed
• invasive non-native
Perennial herb  2009 Barry Breckling
 2009 Barry Breckling
|
|
Stipa brachychaeta Puna needle grass
• invasive non-native
Perennial grass 
2020 Adrian Lustre
2001 CDFA
2020 Adrian Lustre
|
|
Stipa capensis Cape ricegrass
• invasive non-native
Annual grass 
2016 Emily Chase
2019 Stephanie Hines
2019 Stephanie Hines
|
|
Stipa manicata Andean tussockgrass
• invasive non-native
Perennial grass 
2015 Sarah Minnick
2018 Eric Wrubel
2011 Eric Wrubel, NPS
|
|
Stipa miliacea var. miliacea Smilo grass
• invasive non-native
Perennial grass 
2022 Donald Burk
2009 Keir Morse
2022 Donald Burk
|
|
Tamarix aphylla Athel tamarisk, Athel tree
• invasive non-native
Tree 
2020 Ron Vanderhoff
2020 Ron Vanderhoff
2021 Randy Huey
|
|
Tamarix chinensis Chinese tamarisk, Fivestamen tamarisk, Salt cedar
• invasive non-native
Shrub  2011 Robert Sivinski
 2015 Robert Sikora
 2014 Ron Wolf
|
|
Tamarix gallica French tamarisk
• invasive non-native
Tree, Shrub 
2020 Leslie Cobb
1995 Saint Mary's College of California
1995 Saint Mary's College of California
|
|
Tamarix parviflora Fourstamen tamarisk, Smallflower tamarisk
• invasive non-native
Tree, Shrub 
2020 Leslie Cobb
2020 Leslie Cobb
2015 Steve Matson
|
|
Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
2020 Ron Vanderhoff
2017 Barbara Boethling
2022 Ron Vanderhoff
|
|
Tanacetum vulgare Common tansy
• invasive non-native
Perennial herb 
2011 Ramona Robison
2005 George W. Hartwell
2014 Zoya Akulova
|
|
Tetragonia tetragonioides New zealand spinach
• invasive non-native
Annual herb 
2017 James Bailey
2022 David Strauch
2009 Neal Kramer
|
|
Thinopyrum junceiforme Russian wheatgrass
• invasive non-native
Perennial grass 
2019 Mark K. Skinner
2019 Mark K. Skinner
2019 Mark K. Skinner
|
|
Torilis arvensis Field hedge parsley, Spreading hedgeparsley, Tall Sock-Destroyer
• invasive non-native
Annual herb 
2019 Ron Vanderhoff
2017 Gary McDonald
2018 Lindsey Hack
|
|
Triadica sebifera Chinese tallowtree
• invasive non-native
Tree 
2013 Ron Vanderhoff
2019 Ron Vanderhoff
2013 Ron Vanderhoff
|
|
Tribulus terrestris Puncture vine, Puncturevine
• invasive non-native
Annual herb 
2015 Steve Matson
2020 Ron Vanderhoff
2020 Maura Hay
|
|
Trifolium hirtum Rose clover
• invasive non-native
Annual herb 
2011 Steve Matson
2011 Steve Matson
2011 Steve Matson
|
|
Ulex europaeus Common gorse
• invasive non-native
Shrub 
2021 Zoya Akulova-Barlow
2022 Michelle Karle
2021 Cleopatra Tuday
|
|
Ventenata dubia North africa grass, Ventenata grass
• invasive non-native
Annual grass 
2022 Donald Burk
2011 Steve Matson
2011 Steve Matson
|
|
Verbascum thapsus Common mullein, Woolly mullein
• invasive non-native
Perennial herb 
2021 R.A. Chasey
2020 Kim Cabrera
2019 Marisa Persaud
|
|
Verbena bonariensis Purple top vervain, Purpletop vervain
• invasive non-native
Annual, Biennial herb 
2014 Judy and Barry Breckling
2003 Gerald Carr
2003 Gerald Carr
|
|
Vinca major Bigleaf periwinkle, Greater periwinkle, Vinca
• invasive non-native
Perennial herb 
2020 Julia Markey
2022 Ron Vanderhoff
2021 Ron Vanderhoff
|
|
Volutaria tubuliflora Egyptian knapweed
• invasive non-native
Annual herb 
2017 Ron Vanderhoff
2020 Ron Vanderhoff
2020 Lynn Sweet
|
|
Washingtonia robusta Mexican fan palm
• invasive non-native
Tree 
2018 James Bailey
2021 Ron Vanderhoff
2015 Zoya Akulova
|
|
Watsonia meriana Bulbil bugle lily
• invasive non-native
Perennial herb 
2019 Michael Perlmutter
2019 Cynthia Powell
2019 Cynthia Powell
|
|
Zantedeschia aethiopica Calla lily, Callalily, Common calla
• invasive non-native
Perennial herb 
2020 Jennifer Mo
2020 Ron Vanderhoff
2021 MCOSD EDRR
|
|
Zostera japonica Dwarf eelgrass
• invasive non-native
Perennial herb 
2014 Gerald Carr
2014 Gerald Carr
2014 Gerald Carr
|
|
Zygophyllum fabago Syrian beancaper
• invasive non-native
Perennial herb 
2013 Daniel Gluesenkamp
2001 CDFA
2001 CDFA
|
