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Search Summary
Category All Plants 13788
Location Hoyt-Arboretum--Portland 2928
Elevation 800 feet 2811
Observation Time Now: 3rd week of March 1820
Search Results
Click on an image for more information.
Petasites frigidus
arctic sweet coltsfoot 86%
Petasites frigidus
Lysichiton americanus
skunk cabbage 83%
Lysichiton americanus
Cardamine nuttallii
slender toothwort 76%
Cardamine nuttallii
Trillium ovatum
Pacific trillium 76%
Trillium ovatum
Erythronium oregonum
Oregon fawn-lily 74%
Erythronium oregonum
Bellis perennis
English daisy 72%
Bellis perennis
Dipsacus fullonum
wild teasel 71%
Dipsacus fullonum
Rubus bifrons
Himalayan blackberry 71%
Rubus bifrons
Rubus spectabilis
salmonberry 70%
Rubus spectabilis
Oemleria cerasiformis
Indian plum 69%
Oemleria cerasiformis
Asarum caudatum
wild ginger 69%
Asarum caudatum
Arum italicum
Italian arum 69%
Arum italicum
Berberis nervosa
Cascade Oregon-grape 69%
Berberis nervosa
Ilex aquifolium
English holly 68%
Ilex aquifolium
Iris tenax
tough-leaved iris 68%
Iris tenax
Ribes sanguineum
red-flowering currant 67%
Ribes sanguineum
Berberis aquifolium
tall Oregon grape 66%
Berberis aquifolium
Cornus sericea
red osier dogwood 66%
Cornus sericea
Viola glabella
pioneer violet 66%
Viola glabella
Ficaria verna
lesser celandine 65%
Ficaria verna
Vinca minor
lesser periwinkle 64%
Vinca minor
Oxalis oregana
redwood sorrel 64%
Oxalis oregana
Rubus ursinus
trailing blackberry 64%
Rubus ursinus
Cirsium vulgare
bull thistle 63%
Cirsium vulgare
Arbutus menziesii
Pacific madrone 62%
Arbutus menziesii
Achillea millefolium
yarrow 62%
Achillea millefolium
Geranium robertianum
herb Robert 61%
Geranium robertianum
Dicentra formosa
Pacific bleeding heart 61%
Dicentra formosa
Sambucus racemosa
red elderberry 61%
Sambucus racemosa
Lamium purpureum
purple deadnettle 61%
Lamium purpureum
Verbascum thapsus
woolly mullein 61%
Verbascum thapsus
Rubus parviflorus
thimbleberry 61%
Rubus parviflorus
Galanthus nivalis
snowdrop 60%
Galanthus nivalis
Cytisus scoparius
scotch broom 60%
Cytisus scoparius
Holodiscus discolor
ocean-spray 59%
Holodiscus discolor
Gaultheria shallon
salal 59%
Gaultheria shallon
Lilium columbianum
Columbia tiger lily 59%
Lilium columbianum
Viola odorata
sweet blue violet 58%
Viola odorata
Leucanthemum vulgare
oxeye daisy 58%
Leucanthemum vulgare
Claytonia sibirica
candy flower 58%
Claytonia sibirica
Cardamine hirsuta
hairy bittercress 58%
Cardamine hirsuta
Daucus carota
Queen Anne's lace 58%
Daucus carota
Polypodium glycyrrhiza
licorice fern 58%
Polypodium glycyrrhiza
Geranium lucidum
shining geranium 58%
Geranium lucidum
Ranunculus repens
creeping buttercup 58%
Ranunculus repens
Digitalis purpurea
foxglove 58%
Digitalis purpurea
Vaccinium parvifolium
red huckleberry 58%
Vaccinium parvifolium
Prunus cerasifera
cherry plum 57%
Prunus cerasifera
Taraxacum officinale
common dandelion 57%
Taraxacum officinale
Rhododendron macrophyllum
Pacific rhododendron 57%
Rhododendron macrophyllum
Tsuga heterophylla
western hemlock 57%
Tsuga heterophylla
Conium maculatum
poison hemlock 56%
Conium maculatum
Abies grandis
grand fir 56%
Abies grandis
Hypochaeris radicata
hairy cat's-ear 56%
Hypochaeris radicata
Chamaenerion angustifolium
fireweed 56%
Chamaenerion angustifolium
Aquilegia formosa
crimson columbine 56%
Aquilegia formosa
Jacobaea vulgaris
tansy ragwort 56%
Jacobaea vulgaris
Adelinia grandis
Pacific hound's tongue 56%
Adelinia grandis
Erodium cicutarium
redstem storksbill 56%
Erodium cicutarium
Claytonia perfoliata
miner's lettuce 55%
Claytonia perfoliata
Pseudotsuga menziesii
Douglas fir 55%
Pseudotsuga menziesii
Lathyrus latifolius
perennial peavine 55%
Lathyrus latifolius
Thuja plicata
western red cedar 55%
Thuja plicata
Stellaria media
common chickweed 55%
Stellaria media
Urtica dioica
stinging nettle 55%
Urtica dioica
Eriophyllum lanatum
Oregon sunshine 55%
Eriophyllum lanatum
Hydrophyllum tenuipes
Pacific Waterleaf 55%
Hydrophyllum tenuipes
Vancouveria hexandra
northern inside-out flower 55%
Vancouveria hexandra
Mycelis muralis
wall lettuce 55%
Mycelis muralis
Veronica regina-nivalis
snow queen 55%
Veronica regina-nivalis
Hedera helix
English ivy 55%
Hedera helix
Achlys triphylla
vanilla leaf 55%
Achlys triphylla
Symphoricarpos albus
common snowberry 55%
Symphoricarpos albus
Eschscholzia californica
California poppy 54%
Eschscholzia californica
Verbascum blattaria
moth mullein 54%
Verbascum blattaria
Plantago lanceolata
English plantain 54%
Plantago lanceolata
Cichorium intybus
chicory 54%
Cichorium intybus
Cirsium arvense
Canada thistle 54%
Cirsium arvense
Trifolium repens
white clover 54%
Trifolium repens
Polystichum munitum
western swordfern 54%
Polystichum munitum
Spiraea douglasii
hardhack 54%
Spiraea douglasii
Tellima grandiflora
fragrant fringecup 53%
Tellima grandiflora
Lapsana communis
common nipplewort 53%
Lapsana communis
Trifolium pratense
red clover 53%
Trifolium pratense
Lunaria annua
annual honesty 53%
Lunaria annua
Sedum spathulifolium
broadleaf stonecrop 53%
Sedum spathulifolium
Erythranthe alsinoides
chickweed monkeyflower 53%
Erythranthe alsinoides
Rosa nutkana
Nootka rose 53%
Rosa nutkana
Rosa gymnocarpa
baldhip rose 53%
Rosa gymnocarpa
Sanicula crassicaulis
Pacific sanicle 53%
Sanicula crassicaulis
Veronica persica
persian speedwell 52%
Veronica persica
Anemonastrum deltoideum
Columbia windflower 52%
Anemonastrum deltoideum
Fritillaria affinis
checker lily 52%
Fritillaria affinis
Rumex obtusifolius
bitter dock 52%
Rumex obtusifolius
Melissa officinalis
common balm 52%
Melissa officinalis
Plectritis congesta
shortspur seablush 52%
Plectritis congesta
Quercus garryana
Oregon white oak 52%
Quercus garryana
Evernia prunastri
oakmoss 52%
Evernia prunastri
Anaphalis margaritacea
pearly everlasting 52%
Anaphalis margaritacea
Camassia quamash
camas 52%
Camassia quamash
Senecio vulgaris
common groundsel 52%
Senecio vulgaris
Hypericum perforatum
common St. John's wort 51%
Hypericum perforatum
Nuphar polysepala
Western yellow pond-lily 51%
Nuphar polysepala
Viola sempervirens
evergreen violet 51%
Viola sempervirens
Prosartes hookeri
Hooker's fairy bells 51%
Prosartes hookeri
Prunella vulgaris
common self-heal 51%
Prunella vulgaris
Rubus leucodermis
blackcap raspberry 51%
Rubus leucodermis
Amelanchier alnifolia
western serviceberry 51%
Amelanchier alnifolia
Fragaria vesca
woodland strawberry 51%
Fragaria vesca
Maianthemum racemosum
plumed solomon's seal 51%
Maianthemum racemosum
Crataegus monogyna
oneseed hawthorn 51%
Crataegus monogyna
Paulownia tomentosa
princess tree 51%
Paulownia tomentosa
Centaurea cyanus
bachelor's button 51%
Centaurea cyanus
Collinsia grandiflora
giant blue eyed Mary 51%
Collinsia grandiflora
Ranunculus occidentalis
western buttercup 50%
Ranunculus occidentalis
Rubus laciniatus
cutleaf blackberry 50%
Rubus laciniatus
Silybum marianum
blessed milk thistle 50%
Silybum marianum
Vinca major
greater periwinkle 50%
Vinca major
Heracleum maximum
cow-parsnip 50%
Heracleum maximum
Liriodendron tulipifera
tulip tree 50%
Liriodendron tulipifera
Hibiscus syriacus
rose of Sharon 50%
Hibiscus syriacus
Acer macrophyllum
bigleaf maple 50%
Acer macrophyllum
Solanum dulcamara
bittersweet nightshade 50%
Solanum dulcamara
Alnus rubra
red alder 50%
Alnus rubra
Clarkia amoena
farewell to spring 49%
Clarkia amoena
Micranthes rufidula
rustyhair saxifrage 49%
Micranthes rufidula
Oenanthe sarmentosa
water-parsley 49%
Oenanthe sarmentosa
Calypso bulbosa
fairy slipper 49%
Calypso bulbosa
Physocarpus capitatus
Pacific ninebark 49%
Physocarpus capitatus
Goodyera oblongifolia
western rattlesnake plantain 49%
Goodyera oblongifolia
Helianthus annuus
sunflower 49%
Helianthus annuus
Lonicera ciliosa
orange honeysuckle 49%
Lonicera ciliosa
Equisetum telmateia
great horsetail 49%
Equisetum telmateia
Taxus brevifolia
Pacific yew 49%
Taxus brevifolia
Monotropa uniflora
Indian pipe 49%
Monotropa uniflora
Lonicera involucrata
twinberry honeysuckle 49%
Lonicera involucrata
Aesculus hippocastanum
horse-chestnut 49%
Aesculus hippocastanum
Cornus nuttallii
Pacific dogwood 48%
Cornus nuttallii
Geum macrophyllum
largeleaf avens 48%
Geum macrophyllum
Toxicodendron diversilobum
Pacific poison oak 48%
Toxicodendron diversilobum
Potentilla indica
mock strawberry 48%
Potentilla indica
Sedum album
white stonecrop 48%
Sedum album
Cornus unalaschkensis
Alaskan bunchberry 48%
Cornus unalaschkensis
Hesperis matronalis
dame's rocket 48%
Hesperis matronalis
Umbellularia californica
California-laurel 48%
Umbellularia californica
Ailanthus altissima
tree of heaven 47%
Ailanthus altissima
Cerastium viride
field chickweed 47%
Cerastium viride
Nemophila menziesii
baby blue eyes 47%
Nemophila menziesii
Brassica rapa
field mustard 47%
Brassica rapa
Collomia grandiflora
grand collomia 47%
Collomia grandiflora
Viburnum opulus
Eurasian cranberry bush 47%
Viburnum opulus
Camassia leichtlinii
large camas 47%
Camassia leichtlinii
Epilobium ciliatum
fringed willowherb 47%
Epilobium ciliatum
Vicia sativa
common vetch 47%
Vicia sativa
Oenothera biennis
common evening-primrose 47%
Oenothera biennis
Trillium albidum
giant white wakerobin 47%
Trillium albidum
Cymbalaria muralis
ivy-leaved toadflax 47%
Cymbalaria muralis
Collinsia parviflora
maiden blue eyed Mary 47%
Collinsia parviflora
Robinia pseudoacacia
black locust 47%
Robinia pseudoacacia
Geranium molle
dovefoot geranium 47%
Geranium molle
Castilleja hispida
harsh Indian paintbrush 47%
Castilleja hispida
Plantago major
common plantain 46%
Plantago major
Galium aparine
common cleavers 46%
Galium aparine
Hypericum calycinum
rose-of-sharon 46%
Hypericum calycinum
Alliaria petiolata
garlic mustard 46%
Alliaria petiolata
Prosartes smithii
largeflower fairybells 46%
Prosartes smithii
Lysimachia latifolia
western starflower 46%
Lysimachia latifolia
Adiantum aleuticum
Aleutian maidenhair 46%
Adiantum aleuticum
Lupinus polyphyllus
bigleaf lupine 46%
Lupinus polyphyllus
Populus trichocarpa
black cottonwood 46%
Populus trichocarpa
Magnolia stellata
star magnolia 46%
Magnolia stellata
Hedera hibernica
Atlantic Ivy 46%
Hedera hibernica
Osmorhiza berteroi
mountain sweet-cicely 46%
Osmorhiza berteroi
Maianthemum stellatum
starry Solomon's seal 45%
Maianthemum stellatum
Lysimachia nummularia
creeping jenny 45%
Lysimachia nummularia
Tolmiea menziesii
youth-on-age 45%
Tolmiea menziesii
Paxistima myrsinites
mountain lover 45%
Paxistima myrsinites
Philadelphus lewisii
Lewis's mock orange 45%
Philadelphus lewisii
Cardamine californica
coast toothwort 45%
Cardamine californica
Persicaria amphibia
water smartweed 45%
Persicaria amphibia
Trillium kurabayashii
giant purple wakerobin 45%
Trillium kurabayashii
Stachys chamissonis
coastal hedgenettle 45%
Stachys chamissonis
Lamium galeobdolon
yellow archangel 45%
Lamium galeobdolon
Veratrum californicum
California corn lily 45%
Veratrum californicum
Erodium moschatum
whitestem filaree 45%
Erodium moschatum
Arctostaphylos uva-ursi
kinnikinnick 45%
Arctostaphylos uva-ursi
Glechoma hederacea
ground-ivy 45%
Glechoma hederacea
Maianthemum dilatatum
false lily-of-the-valley 45%
Maianthemum dilatatum
Fragaria X ananassa
cultivated strawberry 45%
Fragaria X ananassa
Aruncus dioicus
goatsbeard 45%
Aruncus dioicus
Nemophila parviflora
small-flowered nemophila 45%
Nemophila parviflora
Vaccinium ovatum
evergreen huckelberry 45%
Vaccinium ovatum
Narcissus pseudonarcissus
wild daffodil 45%
Narcissus pseudonarcissus
Grindelia hirsutula
gumweed 45%
Grindelia hirsutula
Iris pseudacorus
yellow flag 45%
Iris pseudacorus
Corylus cornuta
beaked hazelnut 45%
Corylus cornuta
Pentaglottis sempervirens
evergreen bugloss 45%
Pentaglottis sempervirens
Frangula purshiana
cascara buckthorn 44%
Frangula purshiana
Pteridium aquilinum
bracken fern 44%
Pteridium aquilinum
Malus domestica
cultivated apple 44%
Malus domestica
Porella navicularis
tree ruffle liverwort 44%
Porella navicularis
Cardamine oligosperma
little western bittercress 44%
Cardamine oligosperma
Ranunculus californicus
California buttercup 44%
Ranunculus californicus
Cotula australis
Australian waterbuttons 44%
Cotula australis
Crocidium multicaule
gold star 44%
Crocidium multicaule
Tragopogon dubius
yellow salsify 44%
Tragopogon dubius
Penstemon serrulatus
serrulate penstemon 44%
Penstemon serrulatus
Nemophila pedunculata
meadow nemophila 44%
Nemophila pedunculata
Malva neglecta
common mallow 44%
Malva neglecta
Pseudisothecium myosuroides
tree moss 43%
Pseudisothecium myosuroides
Erythranthe guttata
common monkey-flower 43%
Erythranthe guttata
Geum urbanum
herb bennet 43%
Geum urbanum
Tanacetum vulgare
common tansy 43%
Tanacetum vulgare
Prunus avium
wild cherry 43%
Prunus avium
Phytolacca americana
American pokeweed 43%
Phytolacca americana
Athyrium filix-femina
common ladyfern 43%
Athyrium filix-femina
Erysimum capitatum
western wallflower 43%
Erysimum capitatum
Phacelia nemoralis
shade phacelia 43%
Phacelia nemoralis
Bryum argenteum
silver moss 43%
Bryum argenteum
Dryopteris arguta
coastal woodfern 43%
Dryopteris arguta
Iris douglasiana
Douglas' iris 43%
Iris douglasiana
Fraxinus latifolia
Oregon ash 43%
Fraxinus latifolia
Eranthis hyemalis
winter aconite 43%
Eranthis hyemalis
Reynoutria japonica
Japanese knotweed 43%
Reynoutria japonica
Neckera douglasii
Douglas' neckera moss 43%
Neckera douglasii
Sidalcea campestris
meadow checker-mallow 43%
Sidalcea campestris
Delphinium nuttallianum
upland larkspur 43%
Delphinium nuttallianum
Datura stramonium
jimson weed 43%
Datura stramonium
Draba verna
spring whitlow-grass 43%
Draba verna
Heuchera micrantha
small-flowered alumroot 43%
Heuchera micrantha
Ceanothus sanguineus
redstem ceanothus 43%
Ceanothus sanguineus
Centaurium erythraea
European centaury 43%
Centaurium erythraea
Tiarella trifoliata
foamflower 43%
Tiarella trifoliata
Acer platanoides
Norway maple 43%
Acer platanoides
Acer circinatum
vine maple 43%
Acer circinatum
Cephalanthera austiniae
phantom orchid 43%
Cephalanthera austiniae
Sorbus aucuparia
European mountain-ash 43%
Sorbus aucuparia
Arctostaphylos columbiana
hairy manzanita 43%
Arctostaphylos columbiana
Streptopus amplexifolius
clasping twisted-stalk 42%
Streptopus amplexifolius
Typha latifolia
broad-leaf cattail 42%
Typha latifolia
Kindbergia oregana
Oregon beaked moss 42%
Kindbergia oregana
Pinus monticola
western white pine 42%
Pinus monticola
Arctium minus
common burdock 42%
Arctium minus
Sonchus asper
spiny sow-thistle 42%
Sonchus asper
Xanthium strumarium
rough cockleburr 42%
Xanthium strumarium
Papaver somniferum
opium poppy 42%
Papaver somniferum
Dicranoweisia cirrata
curly thatch-moss 42%
Dicranoweisia cirrata
Antitrichia curtipendula
hanging wing-moss 42%
Antitrichia curtipendula
Agoseris grandiflora
bigflower agoseris 42%
Agoseris grandiflora
Arabidopsis thaliana
thalecress 42%
Arabidopsis thaliana
Struthiopteris spicant
deer fern 42%
Struthiopteris spicant
Claopodium crispifolium
crispleaf roughmoss 42%
Claopodium crispifolium
Parmelia sulcata
hammered shield lichen 42%
Parmelia sulcata
Olsynium douglasii
grass widows 42%
Olsynium douglasii
Pentagramma triangularis
goldback fern 42%
Pentagramma triangularis
Selaginella douglasii
Douglas' spikemoss 42%
Selaginella douglasii
Centranthus ruber
red valerian 42%
Centranthus ruber
Vicia americana
American vetch 42%
Vicia americana
Oxalis corniculata
creeping woodsorrel 42%
Oxalis corniculata
Clinopodium douglasii
yerba buena 42%
Clinopodium douglasii
Dendroalsia abietina
plume moss 42%
Dendroalsia abietina
Erythranthe microphylla
small-leaf monkeyflower 42%
Erythranthe microphylla
Cirsium brevistylum
clustered thistle 42%
Cirsium brevistylum
Cardamine angulata
seaside bittercress 42%
Cardamine angulata
Ranunculus orthorhynchus
straight-beak buttercup 41%
Ranunculus orthorhynchus
Carduus nutans
musk thistle 41%
Carduus nutans
Coreopsis lanceolata
lance-leaved coreopsis 41%
Coreopsis lanceolata
Arctostaphylos X media
medium manzanita 41%
Arctostaphylos X media
Triphysaria pusilla
dwarf owl-clover 41%
Triphysaria pusilla
Kerria japonica
Japanese rose 41%
Kerria japonica
Rosa rugosa
rugosa rose 41%
Rosa rugosa
Scleropodium obtusifolium
blunt-leaved moss 41%
Scleropodium obtusifolium
Hylocomiadelphus triquetrus
big shaggy-moss 41%
Hylocomiadelphus triquetrus
Chaenomeles speciosa
flowering quince 41%
Chaenomeles speciosa
Pinus contorta
lodgepole pine 41%
Pinus contorta
Microsteris gracilis
slender phlox 41%
Microsteris gracilis
Ribes divaricatum
spreading gooseberry 41%
Ribes divaricatum
Inula helenium
elecampane inula 41%
Inula helenium
Stereodon subimponens
hypnum moss 41%
Stereodon subimponens
Kindbergia praelonga
slender beaked moss 41%
Kindbergia praelonga
Rumex acetosella
sheep sorrel 41%
Rumex acetosella
Lotus corniculatus
birdfoot trefoil 41%
Lotus corniculatus
Rhytidiadelphus squarrosus
square goose neck moss 41%
Rhytidiadelphus squarrosus
Aulacomnium androgynum
lover's moss 41%
Aulacomnium androgynum
Brachythecium frigidum
cold brachythecium moss 41%
Brachythecium frigidum
Galanthus elwesii
giant snowdrop 41%
Galanthus elwesii
Antitrichia californica
California antitrichia moss 41%
Antitrichia californica
Anacolia menziesii
Menzies' anacolia moss 41%
Anacolia menziesii
Ramalina farinacea
farinose cartilage lichen 41%
Ramalina farinacea
Salix scouleriana
Scouler's willow 41%
Salix scouleriana
Moehringia macrophylla
largeleaf sandwort 41%
Moehringia macrophylla
Gilia capitata
bluehead gilia 41%
Gilia capitata
Cardamine flexuosa
wavy bittercress 40%
Cardamine flexuosa
Tanacetum parthenium
feverfew 40%
Tanacetum parthenium
Montia fontana
annual water miner's-lettuce 40%
Montia fontana
Matricaria discoidea
disc mayweed 40%
Matricaria discoidea
Geranium oreganum
Oregon geranium 40%
Geranium oreganum
Racomitrium elongatum
long rock-moss 40%
Racomitrium elongatum
Rhytidiadelphus loreus
lanky moss 40%
Rhytidiadelphus loreus
Plagiomnium insigne
badge moss 40%
Plagiomnium insigne
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