logo Calflora Illustrated Plant List 

North Central priority species

A combination of eradication & surveillance target species lists for the North Central region (Siskiyou, Trinity & Shasta counties).
26 PLANTS
Alyssum murale   


Dipsacus lacinatus   


Alliaria petiolata    Garlic mustard
non-native
Annual, Biennial herb

BRASSICACEAE

Alliaria petiolata
2016 Keir Morse
Alliaria petiolata
2007 Fran├žois Meignant
Alliaria petiolata
2021 Duncan S. Bell

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2013 Miriam Sachs Martin
Arundo donax
2020 Jennifer Mo
Arundo donax
2018 michelle peruzzi

Brachypodium distachyon    False brome,  Purple false brome
invasive non-native
Annual, Perennial grass

POACEAE

Brachypodium distachyon
2008 Zoya Akulova
Brachypodium distachyon
2019 Ron Vanderhoff
Brachypodium distachyon
2019 Ron Vanderhoff

Brachypodium sylvaticum    Slender false brome
invasive non-native
Perennial grass

POACEAE

Brachypodium sylvaticum
2018 Ecological Concerns Inc
Brachypodium sylvaticum
2016 Kathleen Dickey
Brachypodium sylvaticum
2017 Contractor MROSD

Carduus acanthoides    Plumeless thistle,  Spiny plumeless thistle
invasive non-native
Perennial herb

ASTERACEAE

Carduus acanthoides
2001 CDFA
Carduus acanthoides
2010 Dr.Thomas K. Voekler
Carduus acanthoides
2001 CDFA

Centaurea calcitrapa    Purple star thistle,  Red star thistle
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea calcitrapa
2005 Luigi Rignanese
Centaurea calcitrapa
2019 MCOSD EDRR
Centaurea calcitrapa
2019 Danielle Carney

Centaurea debeauxii    Meadow knapweed
invasive non-native
Annual, Perennial herb

ASTERACEAE

Centaurea debeauxii
2011 Jean Pawek
Centaurea debeauxii
2011 Jean Pawek
Centaurea debeauxii
2014 Richard Spellenberg

Chondrilla juncea    Hogbite,  Skeleton weed
invasive non-native
Perennial herb

ASTERACEAE

Chondrilla juncea
2021 George Williams
Chondrilla juncea
2021 Bob Sweatt
Chondrilla juncea
2021 Bob Sweatt

Cortaderia jubata    Pampas grass,  Purple pampas grass
invasive non-native
Perennial grass

POACEAE

Cortaderia jubata
2018 Ramona Robison
Cortaderia jubata
2021 Michelle Karle
Cortaderia jubata
2018 Ramona Robison

Crupina vulgaris    Bearded creeper,  Common crupina
invasive non-native
Annual herb

ASTERACEAE

Crupina vulgaris
2015 Richard Spellenberg
Crupina vulgaris
2015 Daniel Lay
Crupina vulgaris
2015 Richard Spellenberg

Cynara cardunculus    Artichoke thistle,  Cardoon
invasive non-native
Perennial herb

ASTERACEAE

Cynara cardunculus
2019 Diane Etchison
Cynara cardunculus
2017 James Bailey
Cynara cardunculus
2018 Kalee Koeslag

Ehrharta calycina    Perennial veldt grass,  Perennial veldtgrass
invasive non-native
Perennial grass

POACEAE

Ehrharta calycina
2013 Dale Ritenour
Ehrharta calycina
2019 Ron Vanderhoff
Ehrharta calycina
2014 Neal Kramer

Euphorbia oblongata    Eggleaf spurge
invasive non-native
Perennial herb

EUPHORBIACEAE

Euphorbia oblongata
2017 Gary McDonald
Euphorbia oblongata
2017 Gary McDonald
Euphorbia oblongata
2014 Neal Kramer

Fallopia japonica    Japanese knotweed
invasive non-native
Perennial herb

POLYGONACEAE

Fallopia japonica
2021 Margot Cunningham
Fallopia japonica
2006 Dr. Amadej Trnkoczy
Fallopia japonica
2018 Rachel Kesel

Fallopia sachalinensis    Giant knotweed
invasive non-native
Perennial herb

POLYGONACEAE

Fallopia sachalinensis
Nick Kurzenko
Fallopia sachalinensis
2001 CDFA
Fallopia sachalinensis
2013 Domenic Bongio

Ilex aquifolium    English holly,  Holly
invasive non-native
Tree, Shrub

AQUIFOLIACEAE

Ilex aquifolium
2021 Cynthia Powell
Ilex aquifolium
2005 Dr. Amadej Trnkoczy
Ilex aquifolium
2021 Cynthia Powell

Linaria vulgaris    Butter and eggs
invasive non-native
Perennial herb

PLANTAGINACEAE

Linaria vulgaris
2006 Dr. Amadej Trnkoczy
Linaria vulgaris
2020 Bob Sweatt
Linaria vulgaris
2020 Bob Sweatt

Nymphoides peltata    Water fringe,  Yellow floatingheart
non-native
Perennial herb

MENYANTHACEAE

Nymphoides peltata
2011 Louis-M. Landry
Nymphoides peltata
2001 CDFA

Onopordum tauricum    Bull cottonthistle,  Taurian thistle
invasive non-native
Perennial herb

ASTERACEAE

Onopordum tauricum
2001 CDFA
Onopordum tauricum
2001 CDFA

Physalis subglabrata    Long leafed tomatillo,  Longleaf groundcherry
invasive non-native
Perennial herb

SOLANACEAE

Physalis subglabrata
2018 Robert L. Carr
Physalis subglabrata
2018 Robert L. Carr
Physalis subglabrata
2018 Robert L. Carr

Ranunculus repens    Creeping buttercup,  Crowfoot, creeping buttercup
invasive non-native
Perennial herb

RANUNCULACEAE

Ranunculus repens
2004 Jeff Abbas
Ranunculus repens
1995 Saint Mary's College of California
Ranunculus repens
1995 Saint Mary's College of California

Salvia aethiopis    Mediterranean sage
invasive non-native
Perennial herb

LAMIACEAE

Salvia aethiopis
2001 CDFA
Salvia aethiopis
2018 Matt Berger
Salvia aethiopis
2001 CDFA

Sesbania punicea    Red sesbania,  Rattlebox
invasive non-native
Shrub

FABACEAE

Sesbania punicea
2005 George W. Hartwell
Sesbania punicea
2013 Jean Pawek
Sesbania punicea
2016 Zoya Akulova

Ulex europaeus    Common gorse
invasive non-native
Shrub

FABACEAE

Ulex europaeus
2006 David A. Tharp
Ulex europaeus
2011 Zoya Akulova
Ulex europaeus
2008 Zoya Akulova