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Search Summary
Category All Plants 13855
Location Hoyt-Arboretum--Portland 3179
Elevation 800 feet 3075
Observation Time Now: 3rd week of July 2913
Search Results
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Dipsacus fullonum
wild teasel 90%
Dipsacus fullonum
Achillea millefolium
yarrow 83%
Achillea millefolium
Cirsium vulgare
bull thistle 83%
Cirsium vulgare
Chamaenerion angustifolium
fireweed 82%
Chamaenerion angustifolium
Daucus carota
Queen Anne's lace 82%
Daucus carota
Rubus parviflorus
thimbleberry 80%
Rubus parviflorus
Lathyrus latifolius
perennial peavine 79%
Lathyrus latifolius
Cichorium intybus
chicory 79%
Cichorium intybus
Cirsium arvense
Canada thistle 78%
Cirsium arvense
Petasites frigidus
arctic sweet coltsfoot 77%
Petasites frigidus
Rubus bifrons
Himalayan blackberry 77%
Rubus bifrons
Hypericum perforatum
common St. John's wort 76%
Hypericum perforatum
Leucanthemum vulgare
oxeye daisy 76%
Leucanthemum vulgare
Verbascum thapsus
woolly mullein 75%
Verbascum thapsus
Verbascum blattaria
moth mullein 74%
Verbascum blattaria
Jacobaea vulgaris
tansy ragwort 74%
Jacobaea vulgaris
Cornus sericea
red osier dogwood 74%
Cornus sericea
Solanum dulcamara
bittersweet nightshade 73%
Solanum dulcamara
Prunella vulgaris
common self-heal 73%
Prunella vulgaris
Spiraea douglasii
hardhack 73%
Spiraea douglasii
Sambucus racemosa
red elderberry 72%
Sambucus racemosa
Geranium robertianum
herb Robert 72%
Geranium robertianum
Impatiens capensis
orange jewelweed 72%
Impatiens capensis
Actaea rubra
baneberry 72%
Actaea rubra
Trifolium pratense
red clover 72%
Trifolium pratense
Anaphalis margaritacea
pearly everlasting 72%
Anaphalis margaritacea
Monotropa uniflora
Indian pipe 71%
Monotropa uniflora
Digitalis purpurea
foxglove 71%
Digitalis purpurea
Clarkia amoena
farewell to spring 71%
Clarkia amoena
Helianthus annuus
sunflower 70%
Helianthus annuus
Lilium columbianum
Columbia tiger lily 70%
Lilium columbianum
Mycelis muralis
wall lettuce 69%
Mycelis muralis
Holodiscus discolor
ocean-spray 69%
Holodiscus discolor
Lysichiton americanus
skunk cabbage 69%
Lysichiton americanus
Trifolium repens
white clover 68%
Trifolium repens
Rubus ursinus
trailing blackberry 68%
Rubus ursinus
Centaurea cyanus
bachelor's button 68%
Centaurea cyanus
Plantago major
common plantain 68%
Plantago major
Hibiscus syriacus
rose of Sharon 68%
Hibiscus syriacus
Hypochaeris radicata
hairy cat's-ear 68%
Hypochaeris radicata
Berberis nervosa
Cascade Oregon-grape 68%
Berberis nervosa
Convolvulus arvensis
field bindweed 67%
Convolvulus arvensis
Madia elegans
common madia 67%
Madia elegans
Nuphar polysepala
Western yellow pond-lily 67%
Nuphar polysepala
Eschscholzia californica
California poppy 67%
Eschscholzia californica
Asarum caudatum
wild ginger 66%
Asarum caudatum
Ailanthus altissima
tree of heaven 66%
Ailanthus altissima
Lapsana communis
common nipplewort 66%
Lapsana communis
Trifolium arvense
hare's foot clover 65%
Trifolium arvense
Linaria vulgaris
common toadflax 65%
Linaria vulgaris
Vaccinium parvifolium
red huckleberry 65%
Vaccinium parvifolium
Stachys chamissonis
coastal hedgenettle 64%
Stachys chamissonis
Rubus spectabilis
salmonberry 64%
Rubus spectabilis
Epilobium ciliatum
fringed willowherb 64%
Epilobium ciliatum
Gaultheria shallon
salal 64%
Gaultheria shallon
Persicaria amphibia
water smartweed 64%
Persicaria amphibia
Albizia julibrissin
Persian silk tree 63%
Albizia julibrissin
Lonicera involucrata
twinberry honeysuckle 63%
Lonicera involucrata
Plantago lanceolata
English plantain 63%
Plantago lanceolata
Centaurium erythraea
European centaury 63%
Centaurium erythraea
Achlys triphylla
vanilla leaf 63%
Achlys triphylla
Iris tenax
tough-leaved iris 63%
Iris tenax
Ranunculus repens
creeping buttercup 63%
Ranunculus repens
Sagittaria latifolia
broadleaf arrowhead 63%
Sagittaria latifolia
Cornus unalaschkensis
Alaskan bunchberry 63%
Cornus unalaschkensis
Maianthemum racemosum
plumed solomon's seal 63%
Maianthemum racemosum
Paulownia tomentosa
princess tree 63%
Paulownia tomentosa
Trillium ovatum
Pacific trillium 63%
Trillium ovatum
Rubus laciniatus
cutleaf blackberry 62%
Rubus laciniatus
Aquilegia formosa
crimson columbine 62%
Aquilegia formosa
Calystegia sepium
hedge bindweed 62%
Calystegia sepium
Rosa gymnocarpa
baldhip rose 62%
Rosa gymnocarpa
Inula helenium
elecampane inula 62%
Inula helenium
Sorbus aucuparia
European mountain-ash 62%
Sorbus aucuparia
Cytisus scoparius
scotch broom 61%
Cytisus scoparius
Oenothera biennis
common evening-primrose 61%
Oenothera biennis
Saponaria officinalis
common soapwort 61%
Saponaria officinalis
Pteridium aquilinum
bracken fern 61%
Pteridium aquilinum
Tanacetum vulgare
common tansy 61%
Tanacetum vulgare
Athyrium filix-femina
common ladyfern 60%
Athyrium filix-femina
Phytolacca americana
American pokeweed 60%
Phytolacca americana
Oenothera glazioviana
red-sepal evening-primrose 60%
Oenothera glazioviana
Arbutus menziesii
Pacific madrone 60%
Arbutus menziesii
Malva neglecta
common mallow 60%
Malva neglecta
Collomia grandiflora
grand collomia 60%
Collomia grandiflora
Oxalis oregana
redwood sorrel 60%
Oxalis oregana
Anthemis cotula
stinking chamomile 60%
Anthemis cotula
Amelanchier alnifolia
western serviceberry 60%
Amelanchier alnifolia
Streptopus amplexifolius
clasping twisted-stalk 59%
Streptopus amplexifolius
Rhododendron macrophyllum
Pacific rhododendron 59%
Rhododendron macrophyllum
Physocarpus capitatus
Pacific ninebark 59%
Physocarpus capitatus
Vinca minor
lesser periwinkle 59%
Vinca minor
Bellis perennis
English daisy 59%
Bellis perennis
Ilex aquifolium
English holly 59%
Ilex aquifolium
Crataegus monogyna
oneseed hawthorn 59%
Crataegus monogyna
Symphoricarpos albus
common snowberry 59%
Symphoricarpos albus
Melissa officinalis
common balm 59%
Melissa officinalis
Berberis aquifolium
tall Oregon grape 59%
Berberis aquifolium
Rosa rugosa
rugosa rose 59%
Rosa rugosa
Heracleum maximum
cow-parsnip 59%
Heracleum maximum
Sonchus asper
spiny sow-thistle 59%
Sonchus asper
Taraxacum officinale
common dandelion 59%
Taraxacum officinale
Calystegia silvatica
shortstalk false bindweed 59%
Calystegia silvatica
Papaver somniferum
opium poppy 58%
Papaver somniferum
Circaea alpina
small enchanters nightshade 58%
Circaea alpina
Rubus leucodermis
blackcap raspberry 58%
Rubus leucodermis
Papaver rhoeas
corn poppy 58%
Papaver rhoeas
Urtica dioica
European stinging nettle 58%
Urtica dioica
Adiantum aleuticum
Aleutian maidenhair 58%
Adiantum aleuticum
Liriodendron tulipifera
tulip tree 58%
Liriodendron tulipifera
Arum italicum
Italian arum 58%
Arum italicum
Geum macrophyllum
largeleaf avens 58%
Geum macrophyllum
Viburnum opulus
Eurasian cranberry bush 58%
Viburnum opulus
Rosa pisocarpa
cluster rose 58%
Rosa pisocarpa
Dicentra formosa
Pacific bleeding heart 58%
Dicentra formosa
Apocynum androsaemifolium
spreading dogbane 58%
Apocynum androsaemifolium
Aruncus dioicus
goatsbeard 57%
Aruncus dioicus
Antirrhinum majus
garden snapdragon 57%
Antirrhinum majus
Fragaria vesca
woodland strawberry 57%
Fragaria vesca
Lotus corniculatus
birdfoot trefoil 57%
Lotus corniculatus
Typha latifolia
broad-leaf cattail 57%
Typha latifolia
Lupinus polyphyllus
bigleaf lupine 57%
Lupinus polyphyllus
Silene latifolia
white campion 57%
Silene latifolia
Claytonia sibirica
candy flower 57%
Claytonia sibirica
Aesculus hippocastanum
horse-chestnut 57%
Aesculus hippocastanum
Malva sylvestris
high mallow 57%
Malva sylvestris
Vancouveria hexandra
northern inside-out flower 57%
Vancouveria hexandra
Torilis japonica
Japanese hedge parsley 57%
Torilis japonica
Centaurea X moncktonii
meadow knapweed 57%
Centaurea X moncktonii
Prunus cerasifera
cherry plum 57%
Prunus cerasifera
Malva moschata
musk mallow 57%
Malva moschata
Matricaria discoidea
disc mayweed 57%
Matricaria discoidea
Tropaeolum majus
garden nasturtium 57%
Tropaeolum majus
Portulaca oleracea
common purslane 57%
Portulaca oleracea
Tsuga heterophylla
western hemlock 57%
Tsuga heterophylla
Potentilla indica
mock strawberry 56%
Potentilla indica
Oenothera villosa
hairy evening-primrose 56%
Oenothera villosa
Rumex obtusifolius
bitter dock 56%
Rumex obtusifolius
Philadelphus lewisii
Lewis's mock orange 56%
Philadelphus lewisii
Lysimachia nummularia
creeping jenny 56%
Lysimachia nummularia
Helenium autumnale
common sneezeweed 56%
Helenium autumnale
Nymphaea odorata
American waterlily 56%
Nymphaea odorata
Eriophyllum lanatum
Oregon sunshine 56%
Eriophyllum lanatum
Malus domestica
cultivated apple 56%
Malus domestica
Arctium minus
common burdock 56%
Arctium minus
Anemonastrum deltoideum
Columbia windflower 56%
Anemonastrum deltoideum
Tripleurospermum inodorum
scentless mayweed 56%
Tripleurospermum inodorum
Robinia pseudoacacia
black locust 56%
Robinia pseudoacacia
Rumex crispus
curly dock 55%
Rumex crispus
Oenanthe sarmentosa
water-parsley 55%
Oenanthe sarmentosa
Toxicodendron diversilobum
Pacific poison oak 55%
Toxicodendron diversilobum
Tiarella trifoliata
foamflower 55%
Tiarella trifoliata
Lactuca serriola
prickly lettuce 55%
Lactuca serriola
Datura stramonium
jimson weed 55%
Datura stramonium
Sonchus oleraceus
common sow-thistle 55%
Sonchus oleraceus
Lunaria annua
annual honesty 55%
Lunaria annua
Rosa nutkana
Nootka rose 55%
Rosa nutkana
Erythranthe moschata
musk monkeyflower 55%
Erythranthe moschata
Acer platanoides
Norway maple 55%
Acer platanoides
Vicia sativa
common vetch 55%
Vicia sativa
Carduus nutans
musk thistle 55%
Carduus nutans
Corylus cornuta
beaked hazelnut 55%
Corylus cornuta
Thuja plicata
western red cedar 55%
Thuja plicata
Mentha pulegium
pennyroyal 55%
Mentha pulegium
Conium maculatum
poison hemlock 55%
Conium maculatum
Penstemon serrulatus
serrulate penstemon 55%
Penstemon serrulatus
Gratiola neglecta
clammy hedgehyssop 55%
Gratiola neglecta
Hypericum calycinum
rose-of-sharon 54%
Hypericum calycinum
Prosartes hookeri
Hooker's fairy bells 54%
Prosartes hookeri
Polystichum munitum
western swordfern 54%
Polystichum munitum
Raphanus raphanistrum
wild & cultivated radish 54%
Raphanus raphanistrum
Crepis capillaris
smooth hawksbeard 54%
Crepis capillaris
Arctostaphylos uva-ursi
kinnikinnick 54%
Arctostaphylos uva-ursi
Tragopogon dubius
yellow salsify 54%
Tragopogon dubius
Cymbalaria muralis
ivy-leaved toadflax 54%
Cymbalaria muralis
Frangula purshiana
cascara buckthorn 54%
Frangula purshiana
Physalis philadelphica
tomatillo 54%
Physalis philadelphica
Hieracium lachenalii
common hawkweed 54%
Hieracium lachenalii
Buddleja davidii
summer lilac 54%
Buddleja davidii
Actaea elata
tall bugbane 54%
Actaea elata
Epilobium densiflorum
dense-flower willowherb 54%
Epilobium densiflorum
Grindelia hirsutula
gumweed 54%
Grindelia hirsutula
Pseudotsuga menziesii
Douglas fir 54%
Pseudotsuga menziesii
Maianthemum stellatum
starry Solomon's seal 54%
Maianthemum stellatum
Verbena hastata
blue vervain 54%
Verbena hastata
Sium suave
water parsnip 54%
Sium suave
Viola glabella
pioneer violet 54%
Viola glabella
Galium verum
yellow spring bedstraw 54%
Galium verum
Bellardia viscosa
yellow glandweed 53%
Bellardia viscosa
Platanthera dilatata
white bog orchid 53%
Platanthera dilatata
Consolida ajacis
doubtful knight's spur 53%
Consolida ajacis
Lythrum salicaria
purple loosestrife 53%
Lythrum salicaria
Solanum nigrum
European black nightshade 53%
Solanum nigrum
Erigeron strigosus
prairie fleabane 53%
Erigeron strigosus
Alnus rubra
red alder 53%
Alnus rubra
Acer circinatum
vine maple 53%
Acer circinatum
Alisma triviale
northern water plantain 53%
Alisma triviale
Scutellaria galericulata
hooded skullcap 53%
Scutellaria galericulata
Argentina anserina
silverweed 53%
Argentina anserina
Tanacetum parthenium
feverfew 53%
Tanacetum parthenium
Nothochelone nemorosa
woodland beardtongue 53%
Nothochelone nemorosa
Lysimachia ciliata
fringed loosestrife 53%
Lysimachia ciliata
Vicia villosa
hairy vetch 53%
Vicia villosa
Corallorhiza maculata
spotted coralroot 53%
Corallorhiza maculata
Cirsium brevistylum
clustered thistle 53%
Cirsium brevistylum
Lysimachia arvensis
scarlet pimpernel 53%
Lysimachia arvensis
Goodyera oblongifolia
western rattlesnake plantain 53%
Goodyera oblongifolia
Sidalcea campestris
meadow checker-mallow 53%
Sidalcea campestris
Geum urbanum
herb bennet 52%
Geum urbanum
Reynoutria japonica
Japanese knotweed 52%
Reynoutria japonica
Campsis radicans
trumpet creeper 52%
Campsis radicans
Oxalis suksdorfii
western yellow oxalis 52%
Oxalis suksdorfii
Brassica rapa
field mustard 52%
Brassica rapa
Cota tinctoria
golden marguerite 52%
Cota tinctoria
Impatiens glandulifera
policeman's-helmet 52%
Impatiens glandulifera
Trifolium hybridum
alsike clover 52%
Trifolium hybridum
Oxalis trilliifolia
great wood-sorrel 52%
Oxalis trilliifolia
Medicago lupulina
black medic 52%
Medicago lupulina
Cephalanthera austiniae
phantom orchid 52%
Cephalanthera austiniae
Erythranthe guttata
common monkey-flower 52%
Erythranthe guttata
Trifolium incarnatum
crimson clover 52%
Trifolium incarnatum
Fraxinus latifolia
Oregon ash 52%
Fraxinus latifolia
Centranthus ruber
red valerian 52%
Centranthus ruber
Papaver dubium
blindeyes 52%
Papaver dubium
Evernia prunastri
oakmoss 52%
Evernia prunastri
Acer macrophyllum
bigleaf maple 52%
Acer macrophyllum
Abutilon theophrasti
butterprint 52%
Abutilon theophrasti
Coreopsis lanceolata
lance-leaved coreopsis 52%
Coreopsis lanceolata
Navarretia squarrosa
skunkweed 52%
Navarretia squarrosa
Trifolium campestre
hop trefoil 51%
Trifolium campestre
Juncus effusus
soft rush 51%
Juncus effusus
Silene noctiflora
night-flowering catchfly 51%
Silene noctiflora
Malus fusca
Oregon crabapple 51%
Malus fusca
Crepis setosa
bristly hawksbeard 51%
Crepis setosa
Dianthus armeria
Deptford pink 51%
Dianthus armeria
Physalis longifolia
common groundcherry 51%
Physalis longifolia
Leontodon saxatilis
hairy hawkbit 51%
Leontodon saxatilis
Hieracium umbellatum
narrowleaf hawkweed 51%
Hieracium umbellatum
Silene vulgaris
bladder campion 51%
Silene vulgaris
Campanula scouleri
Scouler's bluebell 51%
Campanula scouleri
Gilia capitata
bluehead gilia 51%
Gilia capitata
Packera bolanderi
Bolander's ragwort 51%
Packera bolanderi
Mutarda nigra
black mustard 51%
Mutarda nigra
Lindernia dubia
yellowseed false pimpernel 51%
Lindernia dubia
Madia sativa
coast tarweed 51%
Madia sativa
Geranium lucidum
shining geranium 51%
Geranium lucidum
Anethum graveolens
dill 51%
Anethum graveolens
Alcea rosea
hollyhock 51%
Alcea rosea
Cornus nuttallii
Pacific dogwood 51%
Cornus nuttallii
Cirsium edule
edible thistle 51%
Cirsium edule
Ranunculus flammula
greater creeping spearwort 51%
Ranunculus flammula
Quercus garryana
Oregon white oak 50%
Quercus garryana
Maianthemum dilatatum
false lily-of-the-valley 50%
Maianthemum dilatatum
Eurybia radulina
roughleaf aster 50%
Eurybia radulina
Torilis arvensis
field hedge parsley 50%
Torilis arvensis
Oxalis corniculata
creeping woodsorrel 50%
Oxalis corniculata
Commelina communis
Asiatic dayflower 50%
Commelina communis
Rosa rubiginosa
sweetbrier rose 50%
Rosa rubiginosa
Linaria dalmatica
dalmatian toadflax 50%
Linaria dalmatica
Heracleum mantegazzianum
giant hogweed 50%
Heracleum mantegazzianum
Rudbeckia hirta
blackeyed Susan 50%
Rudbeckia hirta
Equisetum telmateia
great horsetail 50%
Equisetum telmateia
Ribes sanguineum
red-flowering currant 50%
Ribes sanguineum
Chenopodium album
lambsquarters 50%
Chenopodium album
Symphyotrichum subspicatum
Douglas' aster 50%
Symphyotrichum subspicatum
Clarkia purpurea
winecup clarkia 50%
Clarkia purpurea
Stellaria aquatica
water chickweed 50%
Stellaria aquatica
Stachys pilosa
prairie woundwort 50%
Stachys pilosa
Prosartes smithii
largeflower fairybells 50%
Prosartes smithii
Matricaria chamomilla
wild chamomile 50%
Matricaria chamomilla
Oemleria cerasiformis
Indian plum 50%
Oemleria cerasiformis
Lysimachia latifolia
western starflower 50%
Lysimachia latifolia
Lonicera ciliosa
orange honeysuckle 50%
Lonicera ciliosa
Myosotis laxa
small forget-me-not 50%
Myosotis laxa
Hesperis matronalis
dame's rocket 50%
Hesperis matronalis
Spiraea X pyramidata
pyramid spirea 50%
Spiraea X pyramidata
Oplopanax horridus
devil's club 50%
Oplopanax horridus
Cirsium remotifolium
few-leaf thistle 50%
Cirsium remotifolium
Veratrum californicum
California corn lily 49%
Veratrum californicum
Euphorbia maculata
spotted spurge 49%
Euphorbia maculata
Canadanthus modestus
giant mountain aster 49%
Canadanthus modestus
Euphorbia peplus
petty spurge 49%
Euphorbia peplus
Campanula persicifolia
peach-leaf bellflower 49%
Campanula persicifolia
Veronica americana
American speedwell 49%
Veronica americana
Parmelia sulcata
hammered shield lichen 49%
Parmelia sulcata
Adenocaulon bicolor
American trailplant 49%
Adenocaulon bicolor
Melilotus albus
white sweet clover 49%
Melilotus albus
Hedera helix
English ivy 49%
Hedera helix
Pilosella aurantiaca
orange hawkweed 49%
Pilosella aurantiaca
Xanthium strumarium
rough cockleburr 49%
Xanthium strumarium
Cosmos bipinnatus
garden cosmos 49%
Cosmos bipinnatus
Glycyrrhiza lepidota
wild licorice 49%
Glycyrrhiza lepidota
Hypogymnia physodes
hooded tube lichen 49%
Hypogymnia physodes
Linum usitatissimum
common flax 49%
Linum usitatissimum
Camassia quamash
camas 49%
Camassia quamash
Prunus virginiana
chokecherry 49%
Prunus virginiana
Persicaria maculosa
spotted ladysthumb 49%
Persicaria maculosa
Solidago simplex
sticky goldenrod 49%
Solidago simplex
Abies grandis
grand fir 49%
Abies grandis
Phacelia nemoralis
shade phacelia 49%
Phacelia nemoralis
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