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| These species are top priority surveillance and eradication species for the 6 county (Nevada, Placer, Plumas, Sierra, Yuba and Butte) North Sierra region, plus 5 forest health species for which we're working on leading edge/isolated populations. The 5 forest health species are: Genista monspessulana, Cytisus scoparius, Spartium junceum, Onopordum acanthium and Sesbania punicea. | ||||||
| 20 PLANTS |
|
Carduus acanthoides Plumeless thistle, Spiny plumeless thistle
• invasive non-native
Perennial herb 
© 2016 Catherine Talbot 
© 2016 Catherine Talbot 
© 2015 Catherine Talbot |
|
Carthamus lanatus Woolly distaff thistle
• invasive non-native
Annual herb 
© 2019 Lenihan Mazur 
© 2019 Danielle Carney 
© 2019 Danielle Carney |
|
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 virgata ssp. squarrosa Squarrose knapweed
• invasive non-native
Perennial herb 
© 2013 Gerald Carr 
© 2013 Gerald Carr 
© 2013 Gerald Carr |
|
Cortaderia jubata Pampas grass, Purple pampas grass
• invasive non-native
Perennial grass 
© 2018 Ramona Robison 
© 2021 Michelle Karle 
© 2022 Michelle Karle |
|
Cynara cardunculus Artichoke thistle, Cardoon
• invasive non-native
Perennial herb 
© 2021 R.A. Chasey 
© 2022 Ron Vanderhoff 
© 2022 Ron Vanderhoff |
|
Elaeagnus angustifolia Oleaster, Russian olive
• invasive non-native
Tree, Shrub 
© 2012 Tim Gibson 
© 2019 Joe Woods 
© 2022 Joe Woods |
|
Euphorbia virgata Leafy spurge
• invasive non-native
Perennial herb 
© 2019 Matt Weston 
© 2019 Matt Weston 
© 2015 Dean Kelch |
|
Halogeton glomeratus Halogeton, Saltlover
• invasive non-native
Annual herb 
© 2019 Joe Woods 
© 2019 Joe Woods 
© 2019 Caleb Cole |
|
Isatis tinctoria Dyer's woad, Dyers woad
• invasive non-native
Biennial, Perennial herb 
© 2021 Steve Matson 
© 2021 Steve Matson 
© 2021 Steve Matson |
|
Kochia scoparia Common red sage, Mexican fireweed, Summer cypress
• invasive non-native
Annual herb 
© 2013 Daniel Lubin 
© 2023 R.A. Chasey 
© 2013 Daniel Lubin |
|
Limnobium laevigatum American spongeplant
• invasive non-native
Perennial herb 
© 2024 R.A. Chasey 
© 2022 Donald Burk 
© 2021 Jutta Burger |
|
Pennisetum setaceum Crimson fountaingrass, Fountaingrass
• invasive non-native
Perennial grass 
© 2021 Steve Matson 
© 2021 Steve Matson 
© 2021 Steve Matson |
|
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 |
|
Salvia aethiopis Mediterranean sage
• invasive non-native
Perennial herb 
© 2018 Matt Berger 
© 2024 Alaine Arslan 
© 2024 Alaine Arslan |
|
Senecio jacobaea Stinking willie, Tansy ragwort
• invasive non-native
Perennial herb 
© 2022 Michael Weldon 
© 2022 Michael Weldon 
© 2018 Jennifer Mo |
|
Stipa manicata Andean tussockgrass
• invasive non-native
Perennial grass 
© 2015 Sarah Minnick 
© 2018 Eric Wrubel 
© 2023 Rachel Suding |
|
Tamarix ramosissima Saltcedar, Tamarisk
• invasive non-native
Tree, Shrub 
© 2018 Larry E. Hendrickson 
© 2017 Barbara Boethling 
© 2022 Ron Vanderhoff |
|
Ulex europaeus Common gorse
• invasive non-native
Shrub 
© 2021 Zoya Akulova-Barlow 
© 2022 Michelle Karle 
© 2021 Cleopatra Tuday |