Common name begins with:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Tail
Lion's tail (Leonurus cardiaca) – 5 photos
Tamarisk
hybrid tamarisk (Tamarix chinensis × Tamarix ramosissima Hybrid) – 12 photos
small-flower tamarisk (Tamarix parviflora) – 25 photos
tamarisk (Tamarix ramosissima) – 27 photos
Tansy
camphor tansy (Tanacetum bipinnatum) – 8 photos
common tansy (Tanacetum vulgare) – 27 photos
dune tansy (Tanacetum bipinnatum) – 8 photos
Tansymustard
cut-leaved tansymustard (Descurainia incisa) – 19 photos
cut-leaved tansymustard (Descurainia incisa ssp. incisa) – 23 photos
mountain tansymustard (Descurainia incana) – 4 photos
mountain tansymustard (Descurainia longepedicellata) – 35 photos
narrow tansymustard (Descurainia longepedicellata) – 35 photos
Nelson's tansymustard (Descurainia nelsonii) – 27 photos
sagebrush tansymustard (Descurainia nelsonii) – 27 photos
shortpod tansymustard (Descurainia pinnata ssp. brachycarpa) – 14 photos
sticky tansymustard (Descurainia longepedicellata) – 35 photos
tansymustard (Descurainia) – 3 photos
western tansymustard (Descurainia pinnata) – 17 photos
western tansymustard (Descurainia pinnata ssp. brachycarpa) – 14 photos
Tapegrass
tapegrass (Vallisneria americana) – 36 photos
Tare
smooth tare (Vicia tetrasperma) – 33 photos
tare (Lolium temulentum) – 3 photos
tare (Vicia sativa) – 9 photos
tare (Vicia sativa var. angustifolia) – 24 photos
Tarplant
Chilean tarplant (Madia sativa) – 48 photos
grassy tarplant (Madia gracilis) – 42 photos
lemon-scented tarplant (Madia citriodora) – 38 photos
little tarplant (Madia exigua) – 40 photos
mountain tarplant (Madia glomerata) – 55 photos
smallhead tarplant (Hemizonella minima) – 19 photos
woodland tarplant (Anisocarpus madioides) – 29 photos
Tarragon
tarragon (Artemisia dracunculus) – 26 photos
Tarspot
speckled tarspot (Rhytisma punctatum) – 8 photos
Tarweed
autumn showy tarweed (Madia elegans) – 35 photos
cluster tarweed (Madia glomerata) – 55 photos
coast tarweed (Madia sativa) – 48 photos
common tarweed (Madia gracilis) – 42 photos
least tarweed (Hemizonella minima) – 19 photos
lemon tarweed (Madia citriodora) – 38 photos
lemon-scented tarweed (Madia citriodora) – 38 photos
little tarweed (Madia exigua) – 40 photos
mountain tarweed (Madia glomerata) – 55 photos
slender tarweed (Madia gracilis) – 42 photos
small-head tarweed (Hemizonella minima) – 19 photos
smallhead tarweed (Hemizonella minima) – 19 photos
tarweed (Amsinckia) – 1 photo
woodland tarweed (Anisocarpus madioides) – 29 photos
Tasselflower
large flowered tasselflower (Brickellia grandiflora) – 16 photos
Tauschia
Strickland's tauschia (Tauschia stricklandii) – 16 photos
Tea
California tea (Rupertia physodes) – 12 photos
Mexican tea (Dysphania ambrosioides) – 58 photos
western Labrador tea (Rhododendron neoglandulosum) – 53 photos
Teaberry
western teaberry (Gaultheria ovatifolia) – 29 photos
Teasel
teasel (Dipsacus fullonum) – 42 photos
Teatree
Oregon teatree (Ceanothus sanguineus) – 59 photos
Thalecress
thalecress (Arabidopsis thaliana) – 40 photos
Thelephora
funnel-shaped Thelephora (Thelephora caryophyllea) – 1 photo
Thelypody
cut-leaf thelypody (Thelypodium laciniatum) – 84 photos
entire-leaved thelypody (Thelypodium integrifolium) – 13 photos
entire-leaved thelypody (Thelypodium integrifolium ssp. integrifolium) – 2 photos
many flowered thelypody (Thelypodium milleflorum) – 37 photos
sagittate thelypody (Thelypodium sagittatum ssp. sagittatum) – 2 photos
slender thelypody (Thelypodium sagittatum) – 2 photos
slender thelypody (Thelypodium sagittatum ssp. sagittatum) – 2 photos
thick-leaved thelypody (Thelypodium laciniatum) – 84 photos
Thermopsis
Hitchcock's thermopsis (Thermopsis montana var. montana) – 5 photos
mountain thermopsis (Thermopsis montana) – 11 photos
mountain thermopsis (Thermopsis montana var. montana) – 5 photos
Thimble
wrinkled thimble (Verpa bohemica) – 11 photos
Thimble-cap
smooth thimble-cap (Verpa conica) – 5 photos
wrinkled thimble-cap (Verpa bohemica) – 11 photos
Thimbleberry
thimbleberry (Rubus parviflorus) – 97 photos
Thistle
blessed thistle (Centaurea benedicta) – 6 photos
bull thistle (Cirsium vulgare) – 54 photos
clustered thistle (Cirsium brevistylum) – 21 photos
common thistle (Cirsium vulgare) – 54 photos
cotton thistle (Onopordum acanthium) – 23 photos
cotton thistle (Onopordum acanthium ssp. acanthium) – 6 photos
creeping thistle (Cirsium arvense) – 69 photos
edible thistle (Cirsium edule) – 32 photos
edible thistle (Cirsium edule var. edule) – 25 photos
elk thistle (Cirsium scariosum) – 28 photos
few-leaf thistle (Cirsium remotifolium) – 21 photos
Flodman's thistle (Cirsium flodmanii) – 5 photos
Greene's thistle (Cirsium inamoenum var. inamoenum) – 7 photos
Hooker's thistle (Cirsium hookerianum) – 15 photos
Indian thistle (Cirsium edule var. edule) – 25 photos
leafy thistle (Cirsium foliosum) – 3 photos
Macoun's thistle (Cirsium edule var. edule) – 25 photos
meadow thistle (Cirsium scariosum) – 28 photos
musk thistle (Carduus nutans) – 40 photos
nodding thistle (Carduus nutans) – 40 photos
Pacific fringed thistle (Cirsium remotifolium) – 21 photos
Palouse thistle (Cirsium brevifolium) – 12 photos
plumeless thistle (Carduus acanthoides) – 23 photos
remote-leaved thistle (Cirsium remotifolium) – 21 photos
Russian thistle (Salsola tragus) – 29 photos
Scotch thistle (Onopordum acanthium) – 23 photos
Scots thistle (Onopordum acanthium) – 23 photos
short-styled thistle (Cirsium brevistylum) – 21 photos
slender flowered thistle (Carduus tenuiflorus) – 4 photos
spiny plumeless thistle (Carduus acanthoides) – 23 photos
wavy leaf thistle (Cirsium undulatum) – 50 photos
weak thistle (Cirsium remotifolium) – 21 photos
Wenatchee thistle (Cirsium edule var. wenatchense) – 12 photos
white thistle (Cirsium hookerianum) – 15 photos
winged plumeless thistle (Carduus tenuiflorus) – 4 photos
Thompsongrass
Thompsongrass (Paspalum distichum) – 22 photos
Thorn
Washington thorn (Crataegus phaenopyrum) – 19 photos
Thorn apple
sacred thorn apple (Datura wrightii) – 20 photos
Thornapple
thornapple (Crataegus sp. ?) – 1 photo
Thoroughwort
large flowered thoroughwort (Brickellia grandiflora) – 16 photos
narrow-leaved thoroughwort (Brickellia oblongifolia) – 4 photos
Threadleaf-pondweed
threadleaf-pondweed (Stuckenia filiformis) – 9 photos
Three-square
common three-square (Schoenoplectus pungens) – 12 photos
Threeawn
red threeawn (Aristida purpurea var. longiseta) – 14 photos
threeawn (Aristida purpurea) – 10 photos
Thrift
Jersey thrift (Armeria arenaria) – 3 photos
thrift (Armeria maritima) – 32 photos
thrift (Armeria maritima ssp. californica) – 10 photos
thrift (Armeria maritima ssp. maritima) – 2 photos
Thrower
sphere thrower (Sphaerobolus stellatus) – 4 photos
Thyme
creeping thyme (Thymus praecox ssp. arcticus) – 13 photos
Tickhead
white false tickhead (Eatonella nivea) – 36 photos
Tickseed
lance-leaved tickseed (Coreopsis lanceolata) – 5 photos
Tickweed
bristly-fruited tickweed (Lappula squarrosa) – 21 photos
Tidytips
white daisy tidytips (Layia glandulosa) – 39 photos
Timothy
common timothy (Phleum pratense ssp. pratense) – 2 photos
mountain timothy (Phleum alpinum) – 28 photos
timothy (Phleum pratense) – 24 photos
Tinderconk
tinderconk (Fomes fomentarius) – 3 photos
Tiquilia
rosette tiquilia (Tiquilia nuttallii) – 15 photos
Toad flax
bastard toad flax (Comandra umbellata ssp. pallida) – 20 photos
Toadflax
bastard toadflax (Comandra umbellata) – 32 photos
bastard toadflax (Comandra umbellata ssp. californica) – 9 photos
blue toadflax (Nuttallanthus texanus) – 32 photos
broomleaf toadflax (Linaria genistifolia) – 3 photos
brown-leaved toadflax (Linaria dalmatica ssp. dalmatica) – 8 photos
Canada toadflax (Nuttallanthus canadensis) – 63 photos
Dalmatian toadflax (Linaria dalmatica ssp. dalmatica) – 16 photos
Dalmation toadflax (Linaria dalmatica) – 31 photos
false toadflax (Geocaulon lividum) – 6 photos
ivy-leaved toadflax (Cymbalaria muralis) – 10 photos
Moroccan toadflax (Linaria maroccana) – 24 photos
old field toadflax (Nuttallanthus canadensis) – 36 photos
purple toadflax (Linaria purpurea) – 15 photos
Texas toadflax (Nuttallanthus texanus) – 32 photos
Tobacco
coyote tobacco (Nicotiana attenuata) – 58 photos
jersey rabbit tobacco (Pseudognaphalium luteoalbum) – 13 photos
Macoun's rabbit tobacco (Pseudognaphalium macounii) – 28 photos
Tobacco-brush
tobacco-brush (Ceanothus velutinus) – 14 photos
Tobacco-root
tobacco-root (Valeriana edulis) – 17 photos
Tocalote
tocalote (Centaurea melitensis) – 9 photos
Tofieldia
sticky tofieldia (Triantha glutinosa) – 8 photos
sticky tofieldia (Triantha occidentalis ssp. brevistyla) – 21 photos
western tofieldia (Triantha occidentalis) – 15 photos
Tomatillo
tomatillo (Physalis philadelphica) – 3 photos
wild tomatillo (Physalis longifolia) – 11 photos
wild tomatillo (Physalis longifolia var. longifolia) – 11 photos
Tomato
tomato (Solanum lycopersicum) – 2 photos
Tonella
large-flowered tonella (Tonella floribunda) – 19 photos
small-flowered tonella (Tonella tenella) – 35 photos
Tongue
deer's tongue (Erythronium oregonum ssp. oregonum) – 18 photos
grand hound (Adelinia grandis) – 22 photos
Tooth
bearded tooth (Hericium erinaceus) – 2 photos
bitter tooth (Sarcodon scabrosus) – 3 photos
black tooth (Phellodon atratus) – 3 photos
blue tooth (Hydnellum caeruleum) – 9 photos
bluish tooth (Hydnellum caeruleum) – 9 photos
devil's tooth (Hydnellum peckii) – 13 photos
gray tooth (Phellodon melaleucus cf.) – 2 photos
jelly false tooth (Pseudohydnum gelatinosum) – 9 photos
jelly tooth (Pseudohydnum gelatinosum) – 9 photos
ochre spreading tooth (Steccherinum ochraceum) – 5 photos
orange rough-cap tooth (Hydnellum aurantiacum) – 11 photos
orange tooth (Hydnellum aurantiacum) – 11 photos
pinecone tooth (Auriscalpium vulgare) – 8 photos
red-juice tooth (Hydnellum peckii) – 13 photos
scaly tooth (Sarcodon imbricatus) – 7 photos
sweet tooth (Hydnum repandum) – 4 photos
woolly tooth (Phellodon tomentosus) – 3 photos
zonate tooth (Hydnellum concrescens) – 1 photo
zoned tooth (Hydnellum concrescens) – 1 photo
Tooth fungus
coral tooth fungus (Hericium coralloides) – 5 photos
Toothcup
lowland toothcup (Rotala ramosior) – 9 photos
Toothjelly
toothjelly (Pseudohydnum gelatinosum) – 9 photos
Toothwort
Nuttall's toothwort (Cardamine nuttallii) – 66 photos
slender toothwort (Cardamine nuttallii) – 66 photos
Tops
knobby tops (Psilocybe baeocystis) – 3 photos
Tork
tork (Agaricus bitorquis) – 3 photos
Touch-me-not
small-flowered touch-me-not (Impatiens parviflora) – 11 photos
western touch-me-not (Impatiens noli-tangere) – 4 photos
Toughshank
clustered toughshank (Gymnopus confluens) – 8 photos
conifer toughshank (Gymnopus acervatus) – 7 photos
redleg toughshank (Gymnopus erythropus) – 1 photo
russet toughshank (Gymnopus dryophilus) – 10 photos
spotted toughshank (Rhodocollybia maculata) – 3 photos
Townsendia
showy townsendia (Townsendia florifera) – 34 photos
Trailplant
trailplant (Adenocaulon bicolor) – 48 photos
Train-wrecker
train-wrecker (Neolentinus lepideus) – 3 photos
Traveler's-joy
traveler's-joy (Clematis vitalba) – 33 photos
Tree-ear
tree-ear (Auricularia auricula) – 4 photos
Tree-of-heaven
tree-of-heaven (Ailanthus altissima) – 60 photos
Trefoil
American bird's-foot trefoil (Acmispon americanus) – 20 photos
big trefoil (Lotus uliginosus) – 15 photos
bird's-foot trefoil (Lotus corniculatus) – 36 photos
garden bird's-foot trefoil (Lotus corniculatus) – 36 photos
large bird's-foot trefoil (Lotus uliginosus) – 15 photos
meadow bird's-foot-trefoil (Hosackia pinnata) – 9 photos
narrowleaf trefoil (Lotus tenuis) – 12 photos
riverbar bird's-foot-trefoil (Acmispon denticulatus) – 11 photos
rosy bird's-foot-trefoil (Hosackia rosea) – 16 photos
seaside bird's-foot-trefoil (Hosackia gracilis) – 10 photos
slender trefoil (Lotus tenuis) – 12 photos
subterranean trefoil (Trifolium subterraneum) – 22 photos
Trich
black-scaled trich (Tricholoma atrosquamosum) – 1 photo
Trich
fibril Trich (Tricholoma virgatum) – 4 photos
orange-sheathed Trich (Tricholoma aurantium) – 3 photos
poplar Trich (Tricholoma populinum) – 1 photo
russet scaly Trich (Tricholoma vaccinum) – 7 photos
scaly Trich (Tricholoma vaccinum) – 7 photos
shingled Trich (Tricholoma imbricatum) – 4 photos
soap-scented Trich (Tricholoma saponaceum) – 6 photos
sticky gray Trich (Tricholoma portentosum) – 6 photos
streaked Trich (Tricholoma virgatum) – 4 photos
sulfur Trich (Tricholoma sulphureum) – 3 photos
Tricholoma
black-tufted wood Tricholoma (Tricholomopsis decora) – 3 photos
Tricholoma
cucumber tricholoma (Tricholoma vernaticum) – 3 photos
Tricholoma
dirty Tricholoma (Tricholoma pardinum) – 4 photos
fibril Tricholoma (Tricholoma virgatum) – 4 photos
golden Tricholoma (Tricholoma aurantium) – 3 photos
Tricholoma
ill-scented tricholoma (Tricholoma inamoenum cf.) – 7 photos
Tricholoma
poplar Tricholoma (Tricholoma populinum) – 1 photo
red-tufted wood Tricholoma (Tricholomopsis rutilans) – 10 photos
russet scaly Tricholoma (Tricholoma vaccinum) – 7 photos
separating Tricholoma (Tricholoma sejunctum) – 6 photos
shingled Tricholoma (Tricholoma imbricatum) – 4 photos
soapy Tricholoma (Tricholoma saponaceum) – 6 photos
sticky gray Tricholoma (Tricholoma portentosum) – 6 photos
streaked Tricholoma (Tricholoma portentosum) – 6 photos
tiger Tricholoma (Tricholoma pardinum) – 4 photos
veiled Tricholoma (Tricholoma aurantium) – 3 photos
Trillium
giant trillium (Trillium albidum) – 11 photos
purple trillium (Trillium petiolatum) – 33 photos
sessile trillium (Trillium albidum) – 11 photos
small-flowered trillium (Trillium albidum ssp. parviflorum) – 37 photos
thick-leaved trillium (Trillium crassifolium) – 9 photos
trillium (Trillium) – 5 photos
western trillium (Trillium ovatum) – 115 photos
western white trillium (Trillium stenosepalum) – 13 photos
white trillium (Trillium ovatum) – 115 photos
white trillium (Trillium stenosepalum) – 13 photos
Trisetum
nodding trisetum (Trisetum cernuum) – 11 photos
spike trisetum (Trisetum spicatum) – 18 photos
Triteleia
Howell's large-flowered triteleia (Triteleia grandiflora var. howellii) – 25 photos
Howell's triteleia (Triteleia grandiflora var. howellii) – 25 photos
Tritelia
large-flowered tritelia (Triteleia grandiflora) – 51 photos
large-flowered tritelia (Triteleia grandiflora var. grandiflora) – 35 photos
Trout-lily
Quinault trout-lily (Erythronium quinaultense) – 14 photos
trout-lily (Erythronium) – 1 photo
Truffle
Cooper's truffle (Geopora cooperi) – 8 photos
fall Oregon white truffle (Tuber oregonense) – 3 photos
fuzzy false truffle (Geopora cooperi) – 8 photos
fuzzy truffle (Geopora cooperi) – 8 photos
Oregon black truffle (Leucangium carthusianum) – 2 photos
pine truffle (Geopora cooperi) – 8 photos
Truffle-club
Round-headed truffle-club (Tolypocladium capitatum) – 2 photos
Truffleclub
snaketongue truffleclub (Elaphocordyceps ophioglossoides (Cordyceps)) – 1 photo
Trumpet
black trumpet (Craterellus cornucopioides) – 1 photo
yellow trumpet (Sarracenia flava) – 19 photos
Trumpet-of-death
trumpet-of-death (Craterellus cornucopioides) – 1 photo
Trunc
stalked yellow Trunc (Truncocolumella citrina) – 5 photos
Tubaria
fringed Tubaria (Tubaria furfuracea) – 8 photos
totally tedious Tubaria (Tubaria furfuracea) – 8 photos
Tuckahoe
Canadian tuckahoe (Polyporus tuberaster (decurrens)) – 4 photos
tuckahoe (Peltandra virginica) – 3 photos
Tuft
conifer tuft (Hypholoma capnoides) – 8 photos
sulfur tuft (Hypholoma fasciculare) – 18 photos
Tule
common tule (Schoenoplectus acutus) – 37 photos
Tumble-ball
tumble-ball (Bovista plumbea) – 6 photos
Tumblemustard
Loesel's tumblemustard (Sisymbrium loeselii) – 27 photos
Tumbleweed
tumbleweed (Amaranthus albus) – 30 photos
tumbleweed (Salsola tragus) – 29 photos
Turk
johnny turk (Triphysaria eriantha ssp. eriantha) – 7 photos
Turkey peas
turkey peas (Lomatium linearifolium) – 17 photos
Turkey-tail
false turkey-tail (Stereum hirsutum) – 14 photos
turkey-tail (Trametes versicolor) – 12 photos
Turkeybeard
western turkeybeard (Xerophyllum tenax) – 78 photos
Turnip
wild turnip (Brassica rapa) – 30 photos
Tussilago
tussilago (Tussilago farfara) – 27 photos
Tutsan
tutsan (Hypericum androsaemum) – 6 photos
Twayblade
broad-lip twayblade (Neottia convallarioides) – 34 photos
heart-leaf twayblade (Neottia cordata) – 61 photos
Loesel's twayblade (Liparis loeselii) – 1 photo
northern twayblade (Neottia borealis) – 2 photos
northwestern twayblade (Neottia banksiana) – 55 photos
Twiglet
scurfy twiglet (Tubaria furfuracea) – 8 photos
Twin-berry
black twin-berry (Lonicera involucrata) – 38 photos
black twin-berry (Lonicera involucrata var. involucrata) – 38 photos
Twinflower
longtube twinflower (Linnaea borealis ssp. longiflora) – 33 photos
twinflower (Linnaea borealis) – 34 photos
Twinpod
alpine twinpod (Physaria alpestris) – 41 photos
common twinpod (Physaria didymocarpa) – 1 photo
Geyer's twinpod (Physaria geyeri) – 7 photos
Geyer's twinpod (Physaria geyeri ssp. geyeri) – 14 photos
Oregon twinpod (Physaria oregona) – 23 photos
Washington twinpod (Physaria alpestris) – 41 photos
Twisted-stalk
clasp-leaf twisted-stalk (Streptopus amplexifolius) – 74 photos
clasping twisted-stalk (Streptopus amplexifolius) – 74 photos
rosy twisted-stalk (Streptopus lanceolatus) – 82 photos
small twisted-stalk (Streptopus streptopoides) – 6 photos