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Search Summary
Category All Plants 13869
Location Hoyt-Arboretum--Portland 3167
Elevation 800 feet 3066
Observation Time Now: 2nd week of December 1372
Search Results
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Rubus bifrons
European blackberry 70%
Rubus bifrons
Dipsacus fullonum
wild teasel 68%
Dipsacus fullonum
Ilex aquifolium
English holly 66%
Ilex aquifolium
Berberis nervosa
Cascade Oregon-grape 64%
Berberis nervosa
Rubus ursinus
trailing blackberry 62%
Rubus ursinus
Petasites frigidus
arctic sweet coltsfoot 62%
Petasites frigidus
Cirsium vulgare
bull thistle 61%
Cirsium vulgare
Achillea millefolium
yarrow 59%
Achillea millefolium
Asarum caudatum
wild ginger 59%
Asarum caudatum
Rubus parviflorus
thimbleberry 59%
Rubus parviflorus
Leucanthemum vulgare
oxeye daisy 59%
Leucanthemum vulgare
Cornus sericea
red osier dogwood 59%
Cornus sericea
Geranium robertianum
herb Robert 59%
Geranium robertianum
Lysichiton americanus
skunk cabbage 59%
Lysichiton americanus
Arbutus menziesii
Pacific madrone 58%
Arbutus menziesii
Bellis perennis
English daisy 58%
Bellis perennis
Ranunculus repens
creeping buttercup 58%
Ranunculus repens
Daucus carota
Queen Anne's lace 58%
Daucus carota
Symphoricarpos albus
common snowberry 58%
Symphoricarpos albus
Arum italicum
Italian arum 57%
Arum italicum
Berberis aquifolium
tall Oregon grape 56%
Berberis aquifolium
Eschscholzia californica
California poppy 56%
Eschscholzia californica
Sambucus racemosa
red elderberry 56%
Sambucus racemosa
Taraxacum officinale
common dandelion 56%
Taraxacum officinale
Chamaenerion angustifolium
fireweed 56%
Chamaenerion angustifolium
Verbascum thapsus
great mullein 56%
Verbascum thapsus
Cytisus scoparius
scotch broom 56%
Cytisus scoparius
Holodiscus discolor
ocean-spray 56%
Holodiscus discolor
Vinca minor
lesser periwinkle 55%
Vinca minor
Lathyrus latifolius
perennial peavine 55%
Lathyrus latifolius
Polypodium glycyrrhiza
licorice fern 55%
Polypodium glycyrrhiza
Digitalis purpurea
foxglove 55%
Digitalis purpurea
Rubus spectabilis
salmonberry 55%
Rubus spectabilis
Rosa nutkana
Nootka rose 55%
Rosa nutkana
Hypochaeris radicata
hairy cat's-ear 55%
Hypochaeris radicata
Verbascum blattaria
moth mullein 55%
Verbascum blattaria
Cichorium intybus
chicory 54%
Cichorium intybus
Jacobaea vulgaris
tansy ragwort 54%
Jacobaea vulgaris
Achlys triphylla
vanilla leaf 54%
Achlys triphylla
Gaultheria shallon
salal 54%
Gaultheria shallon
Cirsium arvense
Canada thistle 53%
Cirsium arvense
Mycelis muralis
wall lettuce 53%
Mycelis muralis
Hypericum perforatum
common St. John's wort 53%
Hypericum perforatum
Rhododendron macrophyllum
Pacific rhododendron 53%
Rhododendron macrophyllum
Trifolium pratense
red clover 53%
Trifolium pratense
Ficaria verna
lesser celandine 53%
Ficaria verna
Abies grandis
grand fir 53%
Abies grandis
Pseudotsuga menziesii
Douglas fir 52%
Pseudotsuga menziesii
Spiraea douglasii
hardhack 52%
Spiraea douglasii
Evernia prunastri
oakmoss 52%
Evernia prunastri
Polystichum munitum
western swordfern 52%
Polystichum munitum
Thuja plicata
western redcedar 52%
Thuja plicata
Anaphalis margaritacea
pearly everlasting 52%
Anaphalis margaritacea
Hedera helix
English ivy 52%
Hedera helix
Geranium lucidum
shining geranium 52%
Geranium lucidum
Plantago lanceolata
ribwort plantain 52%
Plantago lanceolata
Dicentra formosa
Pacific bleeding heart 52%
Dicentra formosa
Oxalis oregana
redwood sorrel 52%
Oxalis oregana
Trifolium repens
white clover 52%
Trifolium repens
Solanum dulcamara
bittersweet nightshade 51%
Solanum dulcamara
Rosa gymnocarpa
baldhip rose 51%
Rosa gymnocarpa
Lunaria annua
annual honesty 51%
Lunaria annua
Vancouveria hexandra
northern inside-out flower 51%
Vancouveria hexandra
Crataegus monogyna
oneseed hawthorn 51%
Crataegus monogyna
Maianthemum racemosum
plumed solomon's seal 51%
Maianthemum racemosum
Tsuga heterophylla
western hemlock 51%
Tsuga heterophylla
Prunella vulgaris
common self-heal 50%
Prunella vulgaris
Eriophyllum lanatum
Oregon sunshine 50%
Eriophyllum lanatum
Actaea rubra
baneberry 50%
Actaea rubra
Vaccinium parvifolium
red huckleberry 50%
Vaccinium parvifolium
Lapsana communis
common nipplewort 50%
Lapsana communis
Fragaria vesca
woodland strawberry 50%
Fragaria vesca
Lamium purpureum
purple deadnettle 50%
Lamium purpureum
Monotropa uniflora
Indian pipe 49%
Monotropa uniflora
Camassia quamash
camas 49%
Camassia quamash
Viburnum opulus
Eurasian cranberry bush 49%
Viburnum opulus
Conium maculatum
poison hemlock 49%
Conium maculatum
Claytonia sibirica
candy flower 49%
Claytonia sibirica
Plantago major
common plantain 49%
Plantago major
Tellima grandiflora
fragrant fringecup 49%
Tellima grandiflora
Vicia sativa
common vetch 49%
Vicia sativa
Rubus laciniatus
cutleaf blackberry 49%
Rubus laciniatus
Hibiscus syriacus
rose of Sharon 48%
Hibiscus syriacus
Centaurea cyanus
bachelor's button 48%
Centaurea cyanus
Philadelphus lewisii
Lewis's mock orange 48%
Philadelphus lewisii
Geum macrophyllum
largeleaf avens 48%
Geum macrophyllum
Helianthus annuus
sunflower 48%
Helianthus annuus
Nuphar polysepala
Western yellow pond-lily 48%
Nuphar polysepala
Physocarpus capitatus
Pacific ninebark 48%
Physocarpus capitatus
Paulownia tomentosa
princess tree 47%
Paulownia tomentosa
Hypericum calycinum
rose-of-sharon 47%
Hypericum calycinum
Quercus garryana
Oregon white oak 47%
Quercus garryana
Cornus unalaschkensis
Alaskan bunchberry 47%
Cornus unalaschkensis
Liriodendron tulipifera
tulip tree 47%
Liriodendron tulipifera
Silybum marianum
blessed milk thistle 47%
Silybum marianum
Stellaria media
common chickweed 47%
Stellaria media
Ribes sanguineum
red-flowering currant 47%
Ribes sanguineum
Ailanthus altissima
tree of heaven 47%
Ailanthus altissima
Cornus nuttallii
Pacific dogwood 47%
Cornus nuttallii
Oemleria cerasiformis
Indian plum 47%
Oemleria cerasiformis
Lupinus polyphyllus
bigleaf lupine 47%
Lupinus polyphyllus
Hesperis matronalis
dame's rocket 47%
Hesperis matronalis
Lysimachia latifolia
western starflower 47%
Lysimachia latifolia
Geranium molle
dovefoot geranium 46%
Geranium molle
Plectritis congesta
shortspur seablush 46%
Plectritis congesta
Aesculus hippocastanum
horse-chestnut 46%
Aesculus hippocastanum
Heracleum maximum
cow-parsnip 46%
Heracleum maximum
Taxus brevifolia
Pacific yew 46%
Taxus brevifolia
Adiantum aleuticum
Aleutian maidenhair 46%
Adiantum aleuticum
Linaria vulgaris
common toadflax 46%
Linaria vulgaris
Malva neglecta
common mallow 46%
Malva neglecta
Senecio vulgaris
common groundsel 46%
Senecio vulgaris
Maianthemum stellatum
starry Solomon's seal 46%
Maianthemum stellatum
Melissa officinalis
lemon balm 46%
Melissa officinalis
Erodium cicutarium
redstem storksbill 46%
Erodium cicutarium
Epilobium ciliatum
fringed willowherb 46%
Epilobium ciliatum
Alnus rubra
red alder 46%
Alnus rubra
Sorbus aucuparia
European mountain-ash 46%
Sorbus aucuparia
Robinia pseudoacacia
black locust 46%
Robinia pseudoacacia
Grindelia hirsutula
gumweed 45%
Grindelia hirsutula
Trifolium arvense
hare's foot clover 45%
Trifolium arvense
Vinca major
greater periwinkle 45%
Vinca major
Lonicera involucrata
twinberry honeysuckle 45%
Lonicera involucrata
Populus trichocarpa
black cottonwood 45%
Populus trichocarpa
Datura stramonium
jimson weed 45%
Datura stramonium
Potentilla indica
mock strawberry 45%
Potentilla indica
Cardamine hirsuta
hairy bittercress 45%
Cardamine hirsuta
Tanacetum vulgare
common tansy 45%
Tanacetum vulgare
Malus domestica
cultivated apple 45%
Malus domestica
Oenothera biennis
common evening-primrose 45%
Oenothera biennis
Acer platanoides
Norway maple 45%
Acer platanoides
Centaurium erythraea
European centaury 44%
Centaurium erythraea
Viola odorata
sweet blue violet 44%
Viola odorata
Calypso bulbosa
fairy slipper 44%
Calypso bulbosa
Rubus leucodermis
blackcap raspberry 44%
Rubus leucodermis
Hydrophyllum tenuipes
Pacific waterleaf 44%
Hydrophyllum tenuipes
Lysimachia nummularia
creeping jenny 44%
Lysimachia nummularia
Vicia villosa
hairy vetch 44%
Vicia villosa
Rumex obtusifolius
bitter dock 44%
Rumex obtusifolius
Cymbalaria muralis
ivy-leaved toadflax 44%
Cymbalaria muralis
Phytolacca americana
American pokeweed 44%
Phytolacca americana
Sidalcea campestris
meadow checker-mallow 44%
Sidalcea campestris
Rosa pisocarpa
cluster rose 44%
Rosa pisocarpa
Goodyera oblongifolia
western rattlesnake plantain 44%
Goodyera oblongifolia
Oenanthe sarmentosa
water-parsley 44%
Oenanthe sarmentosa
Urtica dioica
European stinging nettle 44%
Urtica dioica
Rosa canina
dog rose 44%
Rosa canina
Equisetum telmateia
great horsetail 44%
Equisetum telmateia
Sonchus asper
spiny sow-thistle 44%
Sonchus asper
Sedum spathulifolium
broadleaf stonecrop 44%
Sedum spathulifolium
Xanthium strumarium
rough cockleburr 44%
Xanthium strumarium
Tolmiea menziesii
youth-on-age 44%
Tolmiea menziesii
Ceanothus sanguineus
redstem ceanothus 44%
Ceanothus sanguineus
Geum urbanum
herb bennet 44%
Geum urbanum
Acer macrophyllum
bigleaf maple 43%
Acer macrophyllum
Toxicodendron diversilobum
Pacific poison oak 43%
Toxicodendron diversilobum
Cephalanthera austiniae
phantom orchid 43%
Cephalanthera austiniae
Hedera hibernica
Atlantic Ivy 43%
Hedera hibernica
Pteridium aquilinum
common bracken 43%
Pteridium aquilinum
Albizia julibrissin
Persian silk tree 43%
Albizia julibrissin
Antirrhinum majus
garden snapdragon 43%
Antirrhinum majus
Centranthus ruber
red valerian 43%
Centranthus ruber
Ligustrum japonicum
Japanese privet 43%
Ligustrum japonicum
Claytonia perfoliata
miner's lettuce 43%
Claytonia perfoliata
Lamium galeobdolon
yellow archangel 43%
Lamium galeobdolon
Glechoma hederacea
ground-ivy 43%
Glechoma hederacea
Reynoutria japonica
Japanese knotweed 43%
Reynoutria japonica
Arctostaphylos uva-ursi
kinnikinnick 43%
Arctostaphylos uva-ursi
Penstemon serrulatus
serrulate penstemon 43%
Penstemon serrulatus
Tiarella trifoliata
foamflower 42%
Tiarella trifoliata
Inula helenium
elecampane inula 42%
Inula helenium
Calystegia silvatica
shortstalk false bindweed 42%
Calystegia silvatica
Alliaria petiolata
garlic mustard 42%
Alliaria petiolata
Tanacetum parthenium
feverfew 42%
Tanacetum parthenium
Typha latifolia
broad-leaf cattail 42%
Typha latifolia
Sanicula crassicaulis
Pacific sanicle 42%
Sanicula crassicaulis
Porella navicularis
tree ruffle liverwort 42%
Porella navicularis
Euonymus occidentalis
western burningbush 42%
Euonymus occidentalis
Sonchus oleraceus
common sow-thistle 42%
Sonchus oleraceus
Athyrium filix-femina
common ladyfern 42%
Athyrium filix-femina
Parmelia sulcata
hammered shield lichen 41%
Parmelia sulcata
Sedum album
white stonecrop 41%
Sedum album
Veronica persica
persian speedwell 41%
Veronica persica
Dendroalsia abietina
plume moss 41%
Dendroalsia abietina
Acer circinatum
vine maple 41%
Acer circinatum
Symphyotrichum subspicatum
Douglas' aster 41%
Symphyotrichum subspicatum
Frangula purshiana
cascara buckthorn 41%
Frangula purshiana
Rosa rugosa
rugosa rose 41%
Rosa rugosa
Arctium minus
common burdock 41%
Arctium minus
Tropaeolum majus
garden nasturtium 41%
Tropaeolum majus
Corylus cornuta
beaked hazelnut 41%
Corylus cornuta
Malus fusca
Oregon crabapple 41%
Malus fusca
Saponaria officinalis
common soapwort 41%
Saponaria officinalis
Erythranthe guttata
common monkey-flower 41%
Erythranthe guttata
Matricaria discoidea
disc mayweed 40%
Matricaria discoidea
Fraxinus latifolia
Oregon ash 40%
Fraxinus latifolia
Malva parviflora
cheeseweed 40%
Malva parviflora
Maianthemum dilatatum
false lily-of-the-valley 40%
Maianthemum dilatatum
Galium aparine
common cleavers 40%
Galium aparine
Ramalina farinacea
farinose cartilage lichen 40%
Ramalina farinacea
Malva sylvestris
high mallow 40%
Malva sylvestris
Ranunculus orthorhynchus
straight-beak buttercup 40%
Ranunculus orthorhynchus
Lamium maculatum
spotted deadnettle 40%
Lamium maculatum
Pentaglottis sempervirens
evergreen bugloss 40%
Pentaglottis sempervirens
Medicago lupulina
black medic 40%
Medicago lupulina
Raphanus raphanistrum
wild & cultivated radish 40%
Raphanus raphanistrum
Corallorhiza striata
striped coralroot 40%
Corallorhiza striata
Pulvigera lyellii
Lyell's bristle-moss 40%
Pulvigera lyellii
Rumex crispus
curly dock 40%
Rumex crispus
Calendula officinalis
pot marigold 40%
Calendula officinalis
Brassica rapa
field mustard 40%
Brassica rapa
Solanum nigrum
European black nightshade 40%
Solanum nigrum
Tripleurospermum inodorum
scentless mayweed 39%
Tripleurospermum inodorum
Betula pendula
European white birch 39%
Betula pendula
Ranunculus sceleratus
cursed buttercup 39%
Ranunculus sceleratus
Buddleja davidii
summer lilac 39%
Buddleja davidii
Veronica serpyllifolia
thyme-leaved speedwell 39%
Veronica serpyllifolia
Lysimachia arvensis
scarlet pimpernel 39%
Lysimachia arvensis
Viola sempervirens
evergreen violet 39%
Viola sempervirens
Prunus avium
wild cherry 39%
Prunus avium
Rumex acetosella
sheep sorrel 39%
Rumex acetosella
Prunus cerasifera
cherry plum 39%
Prunus cerasifera
Bryum argenteum
silver moss 39%
Bryum argenteum
Syringa vulgaris
lilac 39%
Syringa vulgaris
Phacelia nemoralis
shade phacelia 39%
Phacelia nemoralis
Symphyotrichum hallii
Hall's aster 39%
Symphyotrichum hallii
Iris douglasiana
Douglas' iris 39%
Iris douglasiana
Vaccinium ovatum
evergreen huckelberry 39%
Vaccinium ovatum
Rosa rubiginosa
sweetbrier rose 39%
Rosa rubiginosa
Torilis japonica
Japanese hedge parsley 39%
Torilis japonica
Lactuca serriola
prickly lettuce 39%
Lactuca serriola
Centaurea X moncktonii
meadow knapweed 39%
Centaurea X moncktonii
Plantago pusilla
woolly Indianwheat 39%
Plantago pusilla
Kindbergia oregana
Oregon beaked moss 39%
Kindbergia oregana
Packera bolanderi
Bolander's ragwort 39%
Packera bolanderi
Heuchera micrantha
small-flowered alumroot 38%
Heuchera micrantha
Cedrus deodara
Deodar cedar 38%
Cedrus deodara
Akebia quinata
chocolate vine 38%
Akebia quinata
Fragaria virginiana
Virginia strawberry 38%
Fragaria virginiana
Veronica regina-nivalis
snow queen 38%
Veronica regina-nivalis
Quercus robur
English oak 38%
Quercus robur
Cyclamen hederifolium
ivy-leaved cyclamen 38%
Cyclamen hederifolium
Euphorbia peplus
petty spurge 38%
Euphorbia peplus
Orobanche minor
hellroot 38%
Orobanche minor
Veronica americana
American speedwell 38%
Veronica americana
Mentha pulegium
pennyroyal 38%
Mentha pulegium
Lythrum salicaria
purple loosestrife 38%
Lythrum salicaria
Struthiopteris spicant
deer fern 38%
Struthiopteris spicant
Argentina anserina
silverweed 38%
Argentina anserina
Pinus contorta
lodgepole pine 38%
Pinus contorta
Pseudisothecium myosuroides
tree moss 38%
Pseudisothecium myosuroides
Crepis capillaris
smooth hawksbeard 38%
Crepis capillaris
Homalothecium fulgescens
tree mat homalothecium moss 38%
Homalothecium fulgescens
Corallorhiza maculata
spotted coralroot 38%
Corallorhiza maculata
Nasturtium officinale
watercress 38%
Nasturtium officinale
Foeniculum vulgare
sweet fennel 38%
Foeniculum vulgare
Dryopteris arguta
coastal woodfern 38%
Dryopteris arguta
Abutilon theophrasti
butterprint 38%
Abutilon theophrasti
Paxistima myrsinites
mountain lover 38%
Paxistima myrsinites
Oxalis corniculata
creeping woodsorrel 38%
Oxalis corniculata
Pinus monticola
western white pine 37%
Pinus monticola
Candelaria concolor
elfin candleflame lichen 37%
Candelaria concolor
Juncus effusus
soft rush 37%
Juncus effusus
Dactylis glomerata
orchard grass 37%
Dactylis glomerata
Nemophila parviflora
small-flowered nemophila 37%
Nemophila parviflora
Linnaea borealis
twinflower 37%
Linnaea borealis
Oxalis trilliifolia
great wood-sorrel 37%
Oxalis trilliifolia
Dryopteris expansa
spreading woodfern 37%
Dryopteris expansa
Platismatia glauca
ragged lichen 37%
Platismatia glauca
Cirsium brevistylum
clustered thistle 37%
Cirsium brevistylum
Rosa multiflora
multiflora rose 37%
Rosa multiflora
Ajuga reptans
common bugle 37%
Ajuga reptans
Navarretia squarrosa
skunkweed 37%
Navarretia squarrosa
Corylus avellana
European hazelnut 37%
Corylus avellana
Hypogymnia physodes
hooded tube lichen 37%
Hypogymnia physodes
Dicranoweisia cirrata
curly thatch-moss 37%
Dicranoweisia cirrata
Cardamine flexuosa
wavy bittercress 37%
Cardamine flexuosa
Cardamine angulata
seaside bittercress 37%
Cardamine angulata
Ranunculus uncinatus
woodland buttercup 37%
Ranunculus uncinatus
Umbellularia californica
California-laurel 37%
Umbellularia californica
Pyrola asarifolia
pink pyrola 37%
Pyrola asarifolia
Yucca filamentosa
Adam's needle 37%
Yucca filamentosa
Prunus emarginata
bitter cherry 37%
Prunus emarginata
Cynara cardunculus
cardoon 37%
Cynara cardunculus
Berberis thunbergii
Japanese barberry 36%
Berberis thunbergii
Verbena hastata
blue vervain 36%
Verbena hastata
Scorzoneroides autumnalis
fall dandelion 36%
Scorzoneroides autumnalis
Equisetum hyemale
scouring horsetail 36%
Equisetum hyemale
Dolichousnea longissima
Methuselah's beard 36%
Dolichousnea longissima
Sanguisorba minor
salad burnet 36%
Sanguisorba minor
Hieracium murorum
wall hawkweed 36%
Hieracium murorum
Heracleum mantegazzianum
giant hogweed 36%
Heracleum mantegazzianum
Pinus sylvestris
Scots pine 36%
Pinus sylvestris
Torilis arvensis
field hedge parsley 36%
Torilis arvensis
Quercus rubra
northern red oak 36%
Quercus rubra
Lupinus bicolor
miniature lupine 36%
Lupinus bicolor
Asclepias speciosa
showy milkweed 36%
Asclepias speciosa
Taraxacum erythrospermum
red-seeded dandelion 36%
Taraxacum erythrospermum
Pentagramma triangularis
goldback fern 36%
Pentagramma triangularis
Stachys rigida
rough hedge-nettle 36%
Stachys rigida
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