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ODA Plant Division, Plant Conservation
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Plant Conservation Home
Listing/Delisting
Oregon Listed and Candidate Plants (table)
Oregon Listed Plants by County (map)
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Oregon counties, Baker - Jackson
Oregon listed plants by county
Coos
Grant
Baker
Crook
Harney
Benton
Curry
Hood River
Clackamas
Deschutes
Jackson
Clatsop
Douglas
Jefferson - Umatilla counties
Columbia
Gilliam
Union - Yamhill counties
Oregon listed plants by county
Click on county for a list of threatened and endangered plants that occur there.
Baker
Number of state-listed plant species which currently occur or have occurred in Baker County: 5
Hackelia cronquistii
(Cronquist's stickseed)
Lomatium erythrocarpum
(red-fruited lomatium)
Lupinus lepidus
var.
cusickii
(Cusick's lupine)
Pyrrocoma radiata
(Snake River goldenweed)
Thelypodium howellii
ssp.
spectabilis
(Howell's spectacular thelypody)
Benton
Number of state-listed plant species which currently occur or have occurred in Benton County: 6
Delphinium pavonaceum
(peacock larkspur)
Erigeron decumbens
(Willamette daisy)
Howellia aquatilis
(howellia)
Lomatium bradshawii
(Bradshaw's desert parsley)
Lupinus oreganus
(Kincaid's lupine)
Sidalcea nelsoniana
(Nelson's checkermallow)
Clackamas
Number of state-listed plant species which currently occur or have occurred in Clackamas County: 6
Delphinium leucophaeum
(white rock larkspur)
Delphinium pavonaceum
(peacock larkspur)
Erigeron decumbens
(Willamette daisy)
Howellia aquatilis
(howellia)
Sericocarpus rigidus
(white-topped aster)
Sidalcea nelsoniana
(Nelson’s checkermallow)
Clatsop
Number of state-listed plant species which currently occur or have occurred in Clatsop County: 1
Abronia umbellata
var.
breviflora
(pink sandverbena)
Columbia
Number of state-listed plant species which currently occur or have occurred in Columbia County: 2
Howellia aquatilis
(howellia)
Sidalcea nelsoniana
(Nelson’s checkermallow)
Coos
Number of state-listed plant species which currently occur or have occurred in Coos County: 4
Abronia umbellata
var.
breviflora
(pink sandverbena)
Cordylanthus maritimus
ssp.
palustris
(Pt. Reyes bird’s-beak)
Lilium occidentale
(western lily)
Phacelia argentea
(silvery phacelia)
Crook
There are no state-listed plant species known to occur in Crook County.
Curry
Number of state-listed plant species which currently occur or have occurred in Curry County: 7
Abronia umbellata
var.
breviflora
(pink sandverbena)
Arabis macdonaldiana
(McDonald's rockcress)
Calochortus howellii
(Howell’s mariposa lily)
Lilium occidentale
(western lily)
Microseris howellii
(Howell’s microseris)
Oenothera wolfii
(Wolf’s evening primrose)
Phacelia argentea
(silvery phacelia)
Deschutes
Number of state-listed plant species which currently occur or have occurred in Deschutes County: 2
Astragalus peckii
(Peck’s milkvetch)
Botrychium pumicola
(pumice grape-fern)
Douglas
Number of state-listed plant species which currently occur or have occurred in Douglas County: 6
Abronia umbellata
var.
breviflora
(pink sandverbena)
Calochortus coxii
(Cox’s mariposa lily)
Calochortus umpquaensis
(Umpqua mariposa lily)
Eucephalus vialis
(wayside aster)
Lupinus oreganus
(Kincaid’s lupine)
Plagiobothrys hirtus
(rough popcorn flower)
Gilliam
Number of state-listed plant species which currently occur or have occurred in Gilliam County: 1
Astragalus collinus
var.
laurentii
(Lawrence’s milkvetch)
Grant
Number of state-listed plant species which currently occur or have occurred in Grant County: 2
Astragalus diaphanus
var.
diurnus
(South John Day milkvetch)
Thelypodium eucosmum
(arrow-leaf thelypody)
Harney
Number of state-listed plant species which currently occur or have occurred in Harney County: 2
Eriogonum crosbyae
(Crosby’s buckwheat)
Stephanomeria malheurensis
(Malheur wire-lettuce)
Hood River
There are no state-listed plant species known to occur in Hood River County.
Jackson
Number of state-listed plant species which currently occur or have occurred in Jackson County: 6
Calochortus umpquaensis
(Umpqua mariposa lily)
Eucephalus vialis
(wayside aster)
Fritillaria gentneri
(Gentner’s fritillary)
Limnanthes floccosa
ssp.
grandiflora
(big-flowered wooly meadowfoam)
Limnanthes floccosa
ssp.
pumila
(dwarf wooly meadowfoam)
Lomatium cookii
(Cook’s lomatium)
Jefferson - Umatilla counties
Jefferson through Umatilla counties
Union - Yamhill counties
Union through Yamhill counties
Page updated: February 21, 2012
