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Search Summary
Category All Plants12438 Plants
Location Horsetheif Butte, Columbia Hills State Park2957 Plants
Elevation 306 feet2917 Plants
Observation Time Now: 3rd week of June2880 Plants
Search Results
Click on an image for more information.
Achillea millefolium
yarrow 86%
Achillea millefolium
Penstemon richardsonii
cutleaf beardtongue 80%
Penstemon richardsonii
Eriophyllum lanatum
Oregon sunshine 80%
Eriophyllum lanatum
Rosa nutkana
Nootka rose 78%
Rosa nutkana
Clarkia purpurea
winecup clarkia 78%
Clarkia purpurea
Gaillardia aristata
blanket flower 78%
Gaillardia aristata
Philadelphus lewisii
Lewis's mock orange 77%
Philadelphus lewisii
Castilleja hispida
harsh Indian paintbrush 74%
Castilleja hispida
Centaurea cyanus
bachelor's button 74%
Centaurea cyanus
Cornus sericea
red osier dogwood 73%
Cornus sericea
Erythranthe guttata
common monkey-flower 73%
Erythranthe guttata
Coreopsis tinctoria
golden tickseed 72%
Coreopsis tinctoria
Clarkia gracilis
slender clarkia 71%
Clarkia gracilis
Apocynum androsaemifolium
spreading dogbane 71%
Apocynum androsaemifolium
Ceanothus integerrimus
deerbrush 70%
Ceanothus integerrimus
Sambucus nigra
blue elderberry 69%
Sambucus nigra
Grindelia hirsutula
gumweed 69%
Grindelia hirsutula
Brodiaea coronaria
crown brodiaea 69%
Brodiaea coronaria
Lagophylla ramosissima
branched hareleaf 69%
Lagophylla ramosissima
Dichelostemma congestum
ookow 69%
Dichelostemma congestum
Eriogonum compositum
arrowleaf wild buckwheat 68%
Eriogonum compositum
Rosa pisocarpa
cluster rose 68%
Rosa pisocarpa
Eschscholzia californica
California poppy 68%
Eschscholzia californica
Lomatium suksdorfii
Suksdorf's desert-parsley 68%
Lomatium suksdorfii
Lupinus latifolius
broadleaf lupine 68%
Lupinus latifolius
Spiraea douglasii
hardhack 68%
Spiraea douglasii
Trifolium willdenovii
tomcat clover 68%
Trifolium willdenovii
Gilia capitata
bluehead gilia 68%
Gilia capitata
Holodiscus discolor
ocean-spray 68%
Holodiscus discolor
Erigeron filifolius
threadleaf fleabane 67%
Erigeron filifolius
Abronia mellifera
white sand verbena 67%
Abronia mellifera
Delphinium nuttallii
Nuttall's larkspur 67%
Delphinium nuttallii
Lomatium nudicaule
barestem biscuitroot 67%
Lomatium nudicaule
Calystegia sepium
hedge bindweed 66%
Calystegia sepium
Oenothera villosa
hairy evening-primrose 66%
Oenothera villosa
Allium acuminatum
taper-tip onion 66%
Allium acuminatum
Asclepias fascicularis
narrowleaf milkweed 66%
Asclepias fascicularis
Aruncus dioicus
goatsbeard 66%
Aruncus dioicus
Penstemon serrulatus
serrulate penstemon 65%
Penstemon serrulatus
Calochortus macrocarpus
sagebrush mariposa lily 65%
Calochortus macrocarpus
Lilium columbianum
Columbia tiger lily 65%
Lilium columbianum
Rosa gymnocarpa
wood rose 65%
Rosa gymnocarpa
Cryptantha flaccida
weakstem cryptantha 65%
Cryptantha flaccida
Castilleja miniata
scarlet Indian paintbrush 65%
Castilleja miniata
Papaver somniferum
opium poppy 64%
Papaver somniferum
Balsamorhiza careyana
Carey's balsamroot 64%
Balsamorhiza careyana
Marah oregana
coastal manroot 64%
Marah oregana
Clarkia amoena
farewell to spring 64%
Clarkia amoena
Epilobium ciliatum
fringed willowherb 64%
Epilobium ciliatum
Lupinus leucophyllus
velvet lupine 64%
Lupinus leucophyllus
Solanum dulcamara
bittersweet nightshade 64%
Solanum dulcamara
Papaver rhoeas
corn poppy 64%
Papaver rhoeas
Triteleia hyacinthina
white triteleia 63%
Triteleia hyacinthina
Vicia americana
American vetch 63%
Vicia americana
Crepis barbigera
bearded hawksbeard 63%
Crepis barbigera
Lupinus aridus
arid lupine 63%
Lupinus aridus
Lonicera ciliosa
orange honeysuckle 63%
Lonicera ciliosa
Erysimum capitatum
western wallflower 63%
Erysimum capitatum
Amelanchier alnifolia
western serviceberry 63%
Amelanchier alnifolia
Vicia villosa
hairy vetch 63%
Vicia villosa
Epilobium foliosum
California willowherb 62%
Epilobium foliosum
Epipactis gigantea
stream orchid 62%
Epipactis gigantea
Aquilegia formosa
crimson columbine 62%
Aquilegia formosa
Alcea rosea
hollyhock 62%
Alcea rosea
Helianthus annuus
sunflower 62%
Helianthus annuus
Acmispon americanus
Spanish clover 62%
Acmispon americanus
Plectritis congesta
shortspur seablush 62%
Plectritis congesta
Verbascum blattaria
moth mullein 62%
Verbascum blattaria
Cirsium undulatum
wavy-leaf thistle 61%
Cirsium undulatum
Epilobium minutum
chaparral willowherb 61%
Epilobium minutum
Anthemis arvensis
corn chamomile 61%
Anthemis arvensis
Agoseris grandiflora
bigflower agoseris 61%
Agoseris grandiflora
Oenothera pallida
pale evening-primrose 61%
Oenothera pallida
Cryptantha intermedia
common cryptantha 61%
Cryptantha intermedia
Leucanthemum vulgare
oxeye daisy 61%
Leucanthemum vulgare
Orobanche uniflora
naked broomrape 61%
Orobanche uniflora
Daucus pusillus
American wild carrot 61%
Daucus pusillus
Downingia elegans
elegant calicoflower 61%
Downingia elegans
Rosa canina
dog rose 61%
Rosa canina
Ranunculus aquatilis
white water buttercup 61%
Ranunculus aquatilis
Erythranthe floribunda
many-flowered monkey-flower 61%
Erythranthe floribunda
Anemone deltoidea
Columbia windflower 60%
Anemone deltoidea
Calystegia atriplicifolia
nightblooming false bindweed 60%
Calystegia atriplicifolia
Trifolium variegatum
white-tip clover 60%
Trifolium variegatum
Hypochaeris radicata
hairy cat's-ear 60%
Hypochaeris radicata
Sanicula crassicaulis
Pacific sanicle 60%
Sanicula crassicaulis
Nuphar polysepala
yellow pond-lily 60%
Nuphar polysepala
Sarracenia purpurea
purple pitcher plant 60%
Sarracenia purpurea
Lupinus polyphyllus
bigleaf lupine 60%
Lupinus polyphyllus
Spiraea X pyramidata
pyramid spirea 60%
Spiraea X pyramidata
Iris pseudacorus
pale yellow iris 60%
Iris pseudacorus
Rosa rubiginosa
sweetbrier rose 60%
Rosa rubiginosa
Xerophyllum tenax
beargrass 60%
Xerophyllum tenax
Hackelia diffusa
spreading stickseed 60%
Hackelia diffusa
Cirsium edule
edible thistle 59%
Cirsium edule
Montia parvifolia
littleleaf miner's-lettuce 59%
Montia parvifolia
Symphyotrichum subspicatum
Douglas' aster 59%
Symphyotrichum subspicatum
Rhaponticum repens
Russian knapweed 59%
Rhaponticum repens
Torilis arvensis
field hedge parsley 59%
Torilis arvensis
Packera bolanderi
Bolander's ragwort 59%
Packera bolanderi
Elymus glaucus
blue wildrye 59%
Elymus glaucus
Vicia sativa
garden vetch 59%
Vicia sativa
Typha latifolia
broad-leaf cattail 59%
Typha latifolia
Corallorhiza maculata
spotted coralroot 59%
Corallorhiza maculata
Clematis ligusticifolia
western clematis 59%
Clematis ligusticifolia
Centaurea benedicta
blessed thistle 59%
Centaurea benedicta
Rorippa curvisiliqua
yellow cress 59%
Rorippa curvisiliqua
Erythranthe microphylla
Erythranthe microphylla 59%
Erythranthe microphylla
Arnica lanceolata
clasping arnica 59%
Arnica lanceolata
Dalea ornata
Blue Mountain prairie-clover 59%
Dalea ornata
Papaver argemone
long pricklyhead poppy 58%
Papaver argemone
Fragaria vesca
woodland strawberry 58%
Fragaria vesca
Drymocallis glandulosa
sticky cinquefoil 58%
Drymocallis glandulosa
Erigeron strigosus
prairie fleabane 58%
Erigeron strigosus
Rubus bifrons
Himalayan blackberry 58%
Rubus bifrons
Equisetum hyemale
scouring horsetail 58%
Equisetum hyemale
Agrostemma githago
common corncockle 58%
Agrostemma githago
Amsinckia lycopsoides
bugloss fiddleneck 58%
Amsinckia lycopsoides
Centranthus ruber
red valerian 58%
Centranthus ruber
Rubus parviflorus
thimbleberry 58%
Rubus parviflorus
Madia sativa
coast tarweed 58%
Madia sativa
Lysichiton americanus
skunk cabbage 58%
Lysichiton americanus
Lathyrus pauciflorus
few-flowered pea 58%
Lathyrus pauciflorus
Digitalis purpurea
foxglove 58%
Digitalis purpurea
Lomatium triternatum
nineleaf biscuitroot 58%
Lomatium triternatum
Centaurea X moncktonii
meadow knapweed 58%
Centaurea X moncktonii
Rhododendron macrophyllum
Pacific rhododendron 57%
Rhododendron macrophyllum
Silene vulgaris
bladder campion 57%
Silene vulgaris
Cirsium remotifolium
few-leaf thistle 57%
Cirsium remotifolium
Agrostis exarata
spike bentgrass 57%
Agrostis exarata
Iris germanica
German iris 57%
Iris germanica
Potentilla anserina
silverweed 57%
Potentilla anserina
Medicago lupulina
black medic 57%
Medicago lupulina
Prunella vulgaris
common self-heal 57%
Prunella vulgaris
Anthemis cotula
stinking chamomile 57%
Anthemis cotula
Sonchus asper
spiny sow-thistle 57%
Sonchus asper
Sinapis arvensis
charlock mustard 57%
Sinapis arvensis
Trifolium repens
white clover 57%
Trifolium repens
Dianthus barbatus
sweet william 57%
Dianthus barbatus
Cichorium intybus
chicory 57%
Cichorium intybus
Collomia grandiflora
grand collomia 57%
Collomia grandiflora
Wyethia angustifolia
California compass-plant 57%
Wyethia angustifolia
Nymphaea odorata
American waterlily 57%
Nymphaea odorata
Symphoricarpos albus
common snowberry 57%
Symphoricarpos albus
Geranium bicknellii
Bicknell's Cranesbill 57%
Geranium bicknellii
Trifolium pratense
red clover 57%
Trifolium pratense
Ranunculus flammula
greater creeping spearwort 57%
Ranunculus flammula
Hosackia pinnata
meadow bird's-foot trefoil 57%
Hosackia pinnata
Microsteris gracilis
slender phlox 56%
Microsteris gracilis
Madia citriodora
lemon-scented madia 56%
Madia citriodora
Navarretia intertexta
needleleaf navarretia 56%
Navarretia intertexta
Brassica nigra
black mustard 56%
Brassica nigra
Convolvulus arvensis
field bindweed 56%
Convolvulus arvensis
Actaea elata
tall bugbane 56%
Actaea elata
Crepis capillaris
smooth hawksbeard 56%
Crepis capillaris
Lupinus bicolor
two-color lupine 56%
Lupinus bicolor
Veronica anagallis-aquatica
water speedwell 56%
Veronica anagallis-aquatica
Ranunculus sceleratus
cursed buttercup 56%
Ranunculus sceleratus
Physocarpus capitatus
Pacific ninebark 56%
Physocarpus capitatus
Ceratodon purpureus
fire moss 56%
Ceratodon purpureus
Cornus nuttallii
Pacific dogwood 56%
Cornus nuttallii
Silene latifolia
white campion 56%
Silene latifolia
Polygonum majus
wiry knotweed 55%
Polygonum majus
Salix sessilifolia
northwest sandbar willow 55%
Salix sessilifolia
Anaphalis margaritacea
pearly everlasting 55%
Anaphalis margaritacea
Hypericum perforatum
common St. John's wort 55%
Hypericum perforatum
Microseris borealis
northern microseris 55%
Microseris borealis
Oenothera glazioviana
red-sepal evening-primrose 55%
Oenothera glazioviana
Centaurea melitensis
Maltese star-thistle 55%
Centaurea melitensis
Heterotheca villosa
hairy goldenaster 55%
Heterotheca villosa
Chamerion angustifolium
fireweed 55%
Chamerion angustifolium
Castilleja attenuata
attenuate Indian paintbrush 55%
Castilleja attenuata
Campanula scouleri
Scouler's bluebell 55%
Campanula scouleri
Asarum caudatum
wild ginger 55%
Asarum caudatum
Anchusa azurea
Italian bugloss 55%
Anchusa azurea
Sedum spathulifolium
broadleaf stonecrop 55%
Sedum spathulifolium
Collomia heterophylla
variableleaf collomia 55%
Collomia heterophylla
Lonicera etrusca
Etruscan honeysuckle 55%
Lonicera etrusca
Platismatia glauca
ragged lichen 55%
Platismatia glauca
Lysimachia thyrsiflora
tufted loosestrife 55%
Lysimachia thyrsiflora
Erigeron annuus
eastern daisy fleabane 55%
Erigeron annuus
Mentzelia laevicaulis
smoothstem blazing-star 55%
Mentzelia laevicaulis
Agoseris heterophylla
annual agoseris 55%
Agoseris heterophylla
Anacolia menziesii
Menzies' anacolia moss 55%
Anacolia menziesii
Tanacetum parthenium
feverfew 55%
Tanacetum parthenium
Persicaria amphibia
water smartweed 55%
Persicaria amphibia
Tiarella trifoliata
foamflower 55%
Tiarella trifoliata
Linaria vulgaris
common toadflax 55%
Linaria vulgaris
Claytonia sibirica
candy flower 55%
Claytonia sibirica
Hieracium scouleri
Scouler's woollyweed 55%
Hieracium scouleri
Sisymbrium altissimum
tall tumblemustard 55%
Sisymbrium altissimum
Trifolium microcephalum
small-head clover 55%
Trifolium microcephalum
Cornus unalaschkensis
Alaskan bunchberry 55%
Cornus unalaschkensis
Frasera albicaulis
white-stemmed frasera 55%
Frasera albicaulis
Anemone oregana
Oregon anemone 55%
Anemone oregana
Bromus carinatus
California brome 55%
Bromus carinatus
Trifolium ciliolatum
foothill clover 54%
Trifolium ciliolatum
Iris tenax
tough-leaved iris 54%
Iris tenax
Brassica juncea
Chinese mustard 54%
Brassica juncea
Stachys chamissonis
coastal hedgenettle 54%
Stachys chamissonis
Erigeron philadelphicus
Philadelphia fleabane 54%
Erigeron philadelphicus
Dicranum fuscescens
curly heron's-bill moss 54%
Dicranum fuscescens
Osmorhiza berteroi
mountain sweet-cicely 54%
Osmorhiza berteroi
Linnaea borealis
twinflower 54%
Linnaea borealis
Crataegus douglasii
black hawthorn 54%
Crataegus douglasii
Cerastium fontanum
common mouse-ear chickweed 54%
Cerastium fontanum
Madia elegans
common madia 54%
Madia elegans
Salix exigua
sandbar willow 54%
Salix exigua
Morus alba
white mulberry 54%
Morus alba
Epilobium densiflorum
dense-flower willowherb 54%
Epilobium densiflorum
Malva neglecta
common mallow 54%
Malva neglecta
Oenothera elata
Hooker's evening-primrose 54%
Oenothera elata
Scutellaria angustifolia
narrow-leaved skullcap 54%
Scutellaria angustifolia
Allotropa virgata
sugarstick 54%
Allotropa virgata
Sambucus racemosa
red elderberry 54%
Sambucus racemosa
Apocynum cannabinum
Indian hemp 54%
Apocynum cannabinum
Downingia yina
Cascade calicoflower 54%
Downingia yina
Madia gracilis
grassy tarweed 54%
Madia gracilis
Rumex venosus
veiny dock 54%
Rumex venosus
Thelypodium laciniatum
cut-leaf thelypody 54%
Thelypodium laciniatum
Trillium ovatum
Pacific trillium 54%
Trillium ovatum
Opuntia X columbiana
Columbia prickly pear 54%
Opuntia X columbiana
Urtica dioica
stinging nettle 54%
Urtica dioica
Calycanthus occidentalis
California spicebush 54%
Calycanthus occidentalis
Hypogymnia enteromorpha
tube lichen 54%
Hypogymnia enteromorpha
Trifolium arvense
hare's foot clover 54%
Trifolium arvense
Castilleja tenuis
hairy Indian paintbrush 54%
Castilleja tenuis
Hypnum circinale
coiled-leaf moss 53%
Hypnum circinale
Gratiola neglecta
clammy hedgehyssop 53%
Gratiola neglecta
Polytrichum piliferum
awned haircap moss 53%
Polytrichum piliferum
Dipsacus fullonum
Fuller's teasel 53%
Dipsacus fullonum
Syntrichia princeps
tortula moss 53%
Syntrichia princeps
Polygonum californicum
California knotweed 53%
Polygonum californicum
Spergula arvensis
corn spurry 53%
Spergula arvensis
Daucus carota
Queen Anne's lace 53%
Daucus carota
Arctostaphylos columbiana
hairy manzanita 53%
Arctostaphylos columbiana
Lathyrus latifolius
perennial peavine 53%
Lathyrus latifolius
Asclepias speciosa
showy milkweed 53%
Asclepias speciosa
Lathyrus polyphyllus
leafy pea 53%
Lathyrus polyphyllus
Ranunculus occidentalis
western buttercup 53%
Ranunculus occidentalis
Evernia prunastri
oakmoss 53%
Evernia prunastri
Madia exigua
small tarweed 53%
Madia exigua
Silene coronaria
rose campion 53%
Silene coronaria
Malva sylvestris
high mallow 53%
Malva sylvestris
Toxicoscordion venenosum
meadow death camas 53%
Toxicoscordion venenosum
Oplopanax horridus
devil's club 53%
Oplopanax horridus
Allium amplectens
narrow-leaf onion 53%
Allium amplectens
Ranunculus orthorhynchus
straight-beak buttercup 53%
Ranunculus orthorhynchus
Ceanothus sanguineus
redstem ceanothus 53%
Ceanothus sanguineus
Peritoma lutea
yellow bee plant 53%
Peritoma lutea
Dianthus armeria
Deptford pink 53%
Dianthus armeria
Scrophularia lanceolata
lance-leaf figwort 53%
Scrophularia lanceolata
Lomatium macrocarpum
big-seed biscuitroot 53%
Lomatium macrocarpum
Astragalus hoodianus
Hood River milk-vetch 53%
Astragalus hoodianus
Trifolium hybridum
alsike clover 53%
Trifolium hybridum
Stachys mexicana
Mexican hedge-nettle 52%
Stachys mexicana
Cota tinctoria
golden marguerite 52%
Cota tinctoria
Camassia leichtlinii
large camas 52%
Camassia leichtlinii
Dianthus deltoides
maiden pink 52%
Dianthus deltoides
Arctostaphylos uva-ursi
kinnikinnick 52%
Arctostaphylos uva-ursi
Spartium junceum
Spanish broom 52%
Spartium junceum
Verbascum thapsus
woolly mullein 52%
Verbascum thapsus
Maianthemum racemosum
plumed solomon's seal 52%
Maianthemum racemosum
Hypogymnia inactiva
inactive tube lichen 52%
Hypogymnia inactiva
Sisymbrium officinale
hedge mustard 52%
Sisymbrium officinale
Pastinaca sativa
wild parsnip 52%
Pastinaca sativa
Orthocarpus bracteosus
rosy owl's-clover 52%
Orthocarpus bracteosus
Nicotiana acuminata
manyflower tobacco 52%
Nicotiana acuminata
Hypogymnia physodes
hooded tube lichen 52%
Hypogymnia physodes
Festuca rubra
red fescue 52%
Festuca rubra
Camassia quamash
camas 52%
Camassia quamash
Spiraea betulifolia
white spiraea 52%
Spiraea betulifolia
Hieracium aurantiacum
orange hawkweed 52%
Hieracium aurantiacum
Iliamna rivularis
streambank globemallow 52%
Iliamna rivularis
Elymus multisetus
big squirreltail 52%
Elymus multisetus
Astragalus tweedyi
Tweedy's milk-vetch 52%
Astragalus tweedyi
Crataegus gaylussacia
Huckleberry hawthorn 52%
Crataegus gaylussacia
Eriogonum sphaerocephalum
rock wild buckwheat 52%
Eriogonum sphaerocephalum
Eryngium petiolatum
rush-leaf eryngo 52%
Eryngium petiolatum
Orobanche californica
California broomrape 52%
Orobanche californica
Silybum marianum
blessed milk thistle 52%
Silybum marianum
Juncus bufonius
toad rush 52%
Juncus bufonius
Didymodon vinealis
soft-tufted beard-moss 52%
Didymodon vinealis
Sonchus oleraceus
common sow-thistle 52%
Sonchus oleraceus
Cladonia ochrochlora
smooth-footed powerhorn 52%
Cladonia ochrochlora
Tragopogon pratensis
meadow salsify 52%
Tragopogon pratensis
Collinsia grandiflora
giant blue eyed Mary 52%
Collinsia grandiflora
Trifolium campestre
hop trefoil 52%
Trifolium campestre
Heracleum maximum
cow-parsnip 52%
Heracleum maximum
Brassica rapa
field mustard 52%
Brassica rapa
Comarum palustre
purple marshlocks 52%
Comarum palustre
Parmelia sulcata
hammered shield lichen 52%
Parmelia sulcata
Philonotis fontana
spring moss 52%
Philonotis fontana
Polytrichum juniperinum
juniper haircap moss 52%
Polytrichum juniperinum
Carum carvi
caraway 52%
Carum carvi
Platismatia herrei
Herre's ragged lichen 52%
Platismatia herrei
Rubus ursinus
trailing blackberry 52%
Rubus ursinus
Erigeron foliosus
leafy fleabane 52%
Erigeron foliosus
Epilobium hirsutum
fiddle grass willowherb 51%
Epilobium hirsutum
Acmispon nevadensis
Nevada deervetch 51%
Acmispon nevadensis
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