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   


Physalis subglabrata   


Alliaria petiolata    Garlic mustard
non-native
Annual, Biennial herb

BRASSICACEAE

Alliaria petiolata
2007 François Meignant
Alliaria petiolata
2008 Dr. Amadej Trnkoczy

Arundo donax    Giant reed
invasive non-native
Perennial grass

POACEAE

Arundo donax
2018 Henry DiRocco
Arundo donax
2019 Ron Vanderhoff
Arundo donax
2019 Ron Vanderhoff

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
2008 Keir Morse
Brachypodium sylvaticum
2014 Scot Loring
Brachypodium sylvaticum
2014 Scot Loring

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
2008 Neal Kramer
Centaurea calcitrapa
2019 MCOSD EDRR

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
2019 Aaron Echols
Chondrilla juncea
2017 Amanda Weiss
Chondrilla juncea
2015 John L. Thompson

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

POACEAE

Cortaderia jubata
2008 Neal Kramer
Cortaderia jubata
2001 Tony Morosco
Cortaderia jubata
2017 Lynn Overtree

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
2018 Kalee Koeslag
Cynara cardunculus
2017 James Bailey
Cynara cardunculus
2009 Neal Kramer

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
2006 Dr. Amadej Trnkoczy
Fallopia japonica
2011 Louis-M. Landry
Fallopia japonica
2018 John Malpas

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
2009 Phil Pullen
Ilex aquifolium
2010 Vernon Smith
Ilex aquifolium
2007 Luisa Arana Navaridas

Linaria vulgaris    Butter and eggs
invasive non-native
Perennial herb

PLANTAGINACEAE

Linaria vulgaris
2006 Dr. Amadej Trnkoczy
Linaria vulgaris
2014 John Doyen
Linaria vulgaris
2013 Ron Wolf

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

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    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