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
Wahoo
western wahoo (Euonymus occidentalis) – 36 photos
western wahoo (Euonymus occidentalis var. occidentalis) – 12 photos
Wake-robin
purple wake-robin (Trillium petiolatum) – 33 photos
thick-leaved wake-robin (Trillium crassifolium) – 9 photos
wake-robin (Trillium) – 5 photos
western wake-robin (Trillium stenosepalum) – 13 photos
Wallflower
Aegean wallflower (Erysimum cheiri) – 8 photos
pale wallflower (Erysimum occidentale) – 45 photos
rough wallflower (Erysimum capitatum var. capitatum) – 28 photos
sand dune wallflower (Erysimum capitatum) – 32 photos
sand-dwelling wallflower (Erysimum arenicola) – 55 photos
small wallflower (Erysimum inconspicuum) – 7 photos
spreading wallflower (Erysimum repandum) – 32 photos
wallflower (Erysimum cheiri) – 8 photos
western wallflower (Erysimum occidentale) – 45 photos
wormseed wallflower (Erysimum cheiranthoides) – 25 photos
Walnut
black walnut (Juglans nigra) – 20 photos
English walnut (Juglans regia) – 24 photos
Japanese walnut (Juglans ailantifolia) – 6 photos
the walnut (Gyromitra montana) – 14 photos
Wapato
wapato (Sagittaria cuneata) – 23 photos
wapato (Sagittaria latifolia) – 30 photos
Wart-removing-herb
wart-removing-herb (Murdannia keisak) – 12 photos
Wartcress
lesser wartcress (Lepidium didymum) – 14 photos
wartcress (Lepidium didymum) – 28 photos
Wartweed
wartweed (Euphorbia helioscopia) – 5 photos
Water hyacinth
water hyacinth (Eichhornia crassipes) – 9 photos
Water plantain
European water plantain (Alisma plantago-aquatica) – 1 photo
fringed water plantain (Damasonium californicum) – 12 photos
northern water plantain (Alisma triviale) – 74 photos
star water plantain (Damasonium californicum) – 12 photos
Water purslane
water purslane (Ludwigia palustris) – 39 photos
Water-clover
Pacific clover-fern water-clover (Marsilea oligospora) – 2 photos
water-clover (Marsilea oligospora) – 2 photos
Water-dropwort
Pacific water-dropwort (Oenanthe sarmentosa) – 35 photos
Water-hemlock
bulbous water-hemlock (Cicuta bulbifera) – 25 photos
Douglas' water-hemlock (Cicuta douglasii) – 48 photos
spotted water-hemlock (Cicuta maculata) – 6 photos
western water-hemlock (Cicuta douglasii) – 48 photos
Water-horehound
cut-leaf water-horehound (Lycopus americanus) – 13 photos
European water-horehound (Lycopus europaeus) – 13 photos
rough water-horehound (Lycopus asper) – 19 photos
Water-hyssop
disk water-hyssop (Bacopa rotundifolia) – 2 photos
round-leaved water-hyssop (Bacopa rotundifolia) – 2 photos
Water-lily
American water-lily (Nymphaea odorata) – 22 photos
fragrant water-lily (Nymphaea odorata) – 22 photos
Water-milfoil
cutleaf water-milfoil (Myriophyllum pinnatum) – 2 photos
various-leaved water-milfoil (Myriophyllum heterophyllum) – 8 photos
Water-nymph
Guadalupe water-nymph (Najas guadalupensis) – 5 photos
nodding water-nymph (Najas flexilis) – 11 photos
slender water-nymph (Najas flexilis) – 11 photos
wavy water-nymph (Najas flexilis) – 11 photos
Water-parsley
American water-parsley (Oenanthe sarmentosa) – 35 photos
Pacific water-parsley (Oenanthe sarmentosa) – 35 photos
Water-parsnip
Water-pepper
mild water-pepper (Persicaria hydropiper) – 17 photos
Water-plantain
grass-leaved water-plantain (Alisma gramineum) – 11 photos
narrow-leaf water-plantain (Alisma gramineum) – 11 photos
Water-starwort
Bolander's different-leaved water-starwort (Callitriche heterophylla var. bolanderi) – 7 photos
different-leaved water-starwort (Callitriche heterophylla) – 5 photos
different-leaved water-starwort (Callitriche heterophylla var. heterophylla) – 6 photos
narrowleaf water-starwort (Callitriche brutia var. hamulata) – 16 photos
pond water-starwort (Callitriche stagnalis) – 30 photos
spring water-starwort (Callitriche palustris) – 25 photos
vernal water-starwort (Callitriche palustris) – 25 photos
winged water-starwort (Callitriche marginata) – 9 photos
Water-thyme
water-thyme (Hydrilla verticillata) – 3 photos
Watercarpet
Pacific watercarpet (Chrysosplenium glechomifolium) – 13 photos
Waterclover
Australian waterclover (Marsilea mutica) – 5 photos
Watercress
onerow watercress (Nasturtium microphyllum) – 23 photos
watercress (Nasturtium officinale) – 23 photos
Watergrass
American watergrass (Echinochloa muricata var. microstachya) – 19 photos
Waterhemp
rough-fruited waterhemp (Amaranthus tuberculatus) – 3 photos
tall waterhemp (Amaranthus tuberculatus) – 3 photos
Waterleaf
ballhead waterleaf (Hydrophyllum capitatum) – 35 photos
ballhead waterleaf (Hydrophyllum capitatum var. capitatum) – 48 photos
Fendler's waterleaf (Hydrophyllum fendleri) – 11 photos
Fendler's waterleaf (Hydrophyllum fendleri var. albifrons) – 35 photos
Fendler's waterleaf (Hydrophyllum fendleri var. fendleri) – 2 photos
Pacific waterleaf (Hydrophyllum tenuipes) – 45 photos
Thompson's ballhead waterleaf (Hydrophyllum capitatum var. thompsonii) – 16 photos
Watermeal
Brazilian watermeal (Wolffia brasiliensis) – 9 photos
Columbian watermeal (Wolffia columbiana) – 1 photo
northern watermeal (Wolffia borealis) – 19 photos
Watermelon
watermelon (Citrullus lanatus) – 1 photo
Watershield
watershield (Brasenia schreberi) – 47 photos
Waterweed
Brazilian waterweed (Egeria densa) – 15 photos
Canadian waterweed (Elodea canadensis) – 26 photos
common waterweed (Elodea canadensis) – 26 photos
Nuttall's waterweed (Elodea nuttallii) – 11 photos
Rocky Mountain waterweed (Elodea canadensis) – 26 photos
waterweed (Egeria densa) – 15 photos
western waterweed (Elodea nuttallii) – 11 photos
Waterwort
California waterwort (Elatine californica) – 18 photos
Chilean waterwort (Elatine chilensis) – 8 photos
Wax-myrtle
Pacific wax-myrtle (Morella californica) – 12 photos
Waxcap
almond-scented waxcap (Hygrophorus agathosmus) – 4 photos
blackening waxcap (Hygrocybe conica) – 8 photos
blushing waxcap (Hygrophorus pudorinus) – 4 photos
butter waxcap (Hygrocybe ceracea) – 3 photos
conic waxcap (Hygrocybe conica) – 8 photos
crimson waxcap (Hygrocybe punicea) – 2 photos
goblet waxcap (Hygrocybe cantharellus) – 6 photos
golden-tooth waxcap (Hygrophorus chrysodon) – 12 photos
grey waxcap (Hygrocybe lacmus) – 1 photo
heath waxcap (Gliophorus laetus) – 3 photos
meadow waxcap (Hygrocybe pratensis) – 2 photos
Russula waxcap (Hygrophorus russula) – 4 photos
scarlet waxcap (Hygrocybe coccinea) – 3 photos
snowy waxcap (Hygrocybe virginea) – 1 photo
violet waxcap (Hygrocybe lacmus) – 1 photo
yellow waxcap (Hygrocybe flavescens) – 4 photos
Waxgill
golden yellow waxgill (Hygrocybe ceracea) – 3 photos
Waxy-cap
blackening waxy-cap (Hygrocybe conica) – 8 photos
brown almond waxy-cap (Hygrophorus bakerensis) – 5 photos
chanterelle waxy-cap (Hygrocybe cantharellus) – 6 photos
flaky waxy-cap (Hygrophorus chrysodon) – 12 photos
glutinous waxy-cap (Hygrophorus gliocyclus) – 2 photos
golden waxy-cap (Hygrocybe flavescens) – 4 photos
golden-fringed waxy-cap (Hygrophorus chrysodon) – 12 photos
gray almond waxy-cap (Hygrophorus agathosmus) – 4 photos
gray-brown waxy-cap (Hygrophorus calophyllus) – 3 photos
ivory waxy-cap (Hygrophorus eburneus) – 4 photos
larch waxy-cap (Hygrophorus speciosus var. speciosus) – 1 photo
late fall waxy-cap (Hygrophorus hypothejus) – 7 photos
meadow waxy-cap (Hygrocybe pratensis) – 2 photos
Mt Baker waxy-cap (Hygrophorus bakerensis) – 5 photos
olive-brown waxy-cap (Hygrophorus hypothejus) – 7 photos
orange-brown waxy-cap (Gliophorus laetus) – 3 photos
orange-gilled waxy-cap (Humidicutis marginata var. olivacea) – 1 photo
parrot waxy-cap (Gliophorus psittacinus) – 9 photos
pink waxy-cap (Hygrophorus erubescens) – 4 photos
purple-red waxy-cap (Hygrophorus purpurascens) – 5 photos
righteous red waxy-cap (Hygrocybe coccinea) – 3 photos
Rockies waxy-cap (Hygrophorus saxatilis) – 2 photos
Russula-like waxy-cap (Hygrophorus russula) – 4 photos
salmon waxy-cap (Hygrocybe pratensis) – 2 photos
scarlet waxy-cap (Hygrocybe coccinea) – 3 photos
scarlet waxy-cap (Hygrocybe punicea) – 2 photos
smoky waxy-cap (Hygrophorus camarophyllus) – 2 photos
sooty brown waxy-cap (Hygrophorus camarophyllus) – 2 photos
sordid waxy-cap (Hygrophorus sordidus) – 3 photos
spruce waxy-cap (Hygrophorus pudorinus) – 4 photos
subalpine waxy-cap (Hygrophorus subalpinus) – 3 photos
turpentine waxy-cap (Hygrophorus pudorinus) – 4 photos
violet-gray waxy-cap (Hygrocybe lacmus) – 1 photo
white alpine waxy-cap (Hygrophorus subalpinus) – 3 photos
Wayfaring-tree
wayfaring-tree (Viburnum lantana) – 6 photos
Webcap
blue-foot webcap (Cortinarius glaucopus) – 13 photos
cinnamon webcap (Cortinarius cinnamomeus) – 5 photos
contrary webcap (Cortinarius variicolor group) – 1 photo
deadly webcap (Cortinarius rubellus NF) – 1 photo
earthy webcap (Cortinarius hinnuleus) – 1 photo
gassy webcap (Cortinarius traganus) – 10 photos
goatcheese webcap (Cortinarius camphoratus) – 1 photo
goldband webcap (Cortinarius gentilis) – 1 photo
hoary webcap (Cortinarius laniger) – 9 photos
honey webcap (Cortinarius talus) – 3 photos
orange webcap (Cortinarius mucosus) – 2 photos
pearly webcap (Cortinarius alboviolaceus) – 5 photos
slimy webcap (Cortinarius mucifluus) – 1 photo
violet webcap (Cortinarius violaceus) – 10 photos
woolly webcap (Cortinarius laniger) – 9 photos
Wedgescale
prairie wedgescale (Sphenopholis obtusata) – 5 photos
Weed
Klamath weed (Hypericum perforatum) – 45 photos
pahute weed (Suaeda calceoliformis) – 23 photos
pineapple weed (Matricaria discoidea) – 24 photos
poverty weed (Iva axillaris) – 27 photos
pygmy weed (Crassula connata) – 24 photos
rattlesnake weed (Daucus pusillus) – 17 photos
vinegar weed (Trichostema lanceolatum) – 5 photos
water pygmy weed (Crassula aquatica) – 18 photos
Weeping-widow
weeping-widow (Lacrymaria lacrymabunda) – 2 photos
Weld
weld (Reseda luteola) – 5 photos
Wet-rot
wet-rot (Coniophora puteana) – 2 photos
Wheat
bread wheat (Triticum aestivum) – 27 photos
Wheatgrass
annual false wheatgrass (Eremopyrum triticeum) – 20 photos
arctic wheatgrass (Elymus violaceus) – 9 photos
bearded wheatgrass (Elymus violaceus) – 9 photos
bluebunch wheatgrass (Pseudoroegneria spicata) – 171 photos
crested wheatgrass (Agropyron cristatum) – 32 photos
Eurasian wheatgrass (Thinopyrum ponticum) – 22 photos
intermediate wheatgrass (Thinopyrum intermedium) – 6 photos
intermediate wheatgrass (Thinopyrum intermedium ssp. intermedium) – 13 photos
pubescent wheatgrass (Thinopyrum intermedium ssp. barbulatum) – 10 photos
sand-dune wheatgrass (Elymus lanceolatus ssp. psammophilus) – 5 photos
thick-spiked wheatgrass (Elymus lanceolatus ssp. lanceolatus) – 8 photos
western wheatgrass (Pascopyrum smithii) – 4 photos
Whipplea
common whipplea (Whipplea modesta) – 23 photos
Whiskers
old-man's whiskers (Geum triflorum) – 117 photos
White-top
Asian white-top (Lepidium chalepense) – 22 photos
Whitetop
whitetop (Lepidium appelianum) – 26 photos
Whitlow-grass
Alaska whitlow-grass (Draba stenoloba) – 10 photos
alkali false whitlow-grass (Cusickiella douglasii) – 16 photos
alpine whitlow-grass (Draba aureola) – 12 photos
broad-pod whitlow-grass (Draba platycarpa) – 4 photos
Carolina whitlow-grass (Draba reptans) – 2 photos
dense-leaf whitlow-grass (Draba densifolia) – 18 photos
Douglas' whitlow-grass (Cusickiella douglasii) – 16 photos
few-seeded whitlow-grass (Draba oligosperma) – 12 photos
golden whitlow-grass (Draba aurea) – 4 photos
Payson's whitlow-grass (Draba novolympica) – 34 photos
slender whitlow-grass (Draba albertina) – 6 photos
snowbed whitlow-grass (Draba crassifolia) – 4 photos
tall whitlow-grass (Draba praealta) – 18 photos
Taylor's whitlow-grass (Draba taylorii) – 1 photo
woodland whitlow-grass (Draba nemorosa) – 19 photos
Whitlow-wort
whitlow-wort (Draba) – 1 photo
whitlow-wort (Draba incerta) – 12 photos
whitlow-wort (Draba lonchocarpa) – 15 photos
Whorlgrass
water whorlgrass (Catabrosa aquatica) – 3 photos
Wild rice
northern wild rice (Zizania palustris) – 3 photos
northern wild rice (Zizania palustris var. palustris) – 15 photos
southern wild rice (Zizania aquatica) – 3 photos
Wild-rye
blue wild-rye (Elymus glaucus) – 19 photos
Russian wild-rye (Psathyrostachys juncea) – 14 photos
Wildrye
beardless wildrye (Leymus triticoides) – 14 photos
blue wildrye (Elymus glaucus ssp. glaucus) – 42 photos
blue wildrye (Elymus glaucus ssp. virescens) – 2 photos
boreal wildrye (Elymus hirsutus) – 2 photos
creeping wildrye (Elymus repens) – 27 photos
Great Basin wildrye (Leymus cinereus) – 58 photos
mammoth wildrye (Leymus racemosus) – 25 photos
Northwest wildrye (Elymus hirsutus) – 2 photos
sand wildrye (Leymus flavescens) – 1 photo
Scribner's wildrye (Elymus scribneri) – 1 photo
wawawai wildrye (Elymus wawawaiensis) – 11 photos
wildrye (Leymus) – 1 photo
William
sweet William (Dianthus barbatus) – 12 photos
Willow
alpine plane-leaf willow (Salix planifolia var. monica) – 12 photos
alpine willow (Salix petrophila) – 25 photos
arctic willow (Salix arctica) – 21 photos
arroyo willow (Salix lasiolepis) – 22 photos
barclay's willow (Salix barclayi) – 18 photos
basket willow (Salix purpurea) – 2 photos
Bebb's willow (Salix bebbiana) – 23 photos
bog willow (Salix pedicellaris) – 11 photos
Booth's willow (Salix boothii) – 32 photos
Cascade willow (Salix cascadensis) – 20 photos
coastal willow (Salix hookeriana) – 37 photos
Columbia River willow (Salix exigua var. columbiana) – 24 photos
coyote willow (Salix exigua) – 42 photos
coyote willow (Salix exigua var. exigua) – 21 photos
crack willow (Salix fragilis) – 21 photos
Drummond's willow (Salix drummondiana) – 9 photos
dusky willow (Salix melanopsis) – 14 photos
dwarf snow willow (Salix nivalis) – 17 photos
false mountain willow (Salix pseudomonticola) – 11 photos
Farr's willow (Salix farriae) – 11 photos
Geyer's willow (Salix geyeriana) – 18 photos
gland willow (Salix lasiandra var. caudata) – 30 photos
golden willow (Salix alba) – 5 photos
gray willow (Salix bebbiana) – 23 photos
gray willow (Salix glauca) – 6 photos
Lemmon's willow (Salix lemmonii) – 3 photos
long-beak willow (Salix bebbiana) – 23 photos
Maccalla's willow (Salix maccalliana) – 14 photos
Mackenzie's willow (Salix prolixa) – 61 photos
narrow-leaf willow (Salix exigua) – 42 photos
narrow-leaf willow (Salix exigua var. exigua) – 21 photos
netleaf willow (Salix reticulata) – 2 photos
Pacific willow (Salix lasiandra var. caudata) – 60 photos
Pacific willow (Salix lasiandra var. lasiandra) – 26 photos
peach-leaf willow (Salix amygdaloides) – 36 photos
plane-leaf willow (Salix planifolia) – 5 photos
purple willow (Salix purpurea) – 2 photos
rock willow (Salix vestita) – 4 photos
sage willow (Salix candida) – 14 photos
sage-leaf willow (Salix candida) – 14 photos
Scouler's willow (Salix scouleriana) – 73 photos
sessile-leaf willow (Salix sessilifolia) – 1 photo
shining willow (Salix lasiandra var. caudata) – 30 photos
short-fruited willow (Salix brachycarpa) – 2 photos
short-fruited willow (Salix brachycarpa var. brachycarpa) – 3 photos
Sierran willow (Salix eastwoodiae) – 6 photos
Sitka willow (Salix sitchensis) – 52 photos
Sitka willow (Salix sitchensis var. sitchensis) – 1 photo
tea-leaved willow (Salix planifolia) – 5 photos
Tweedy's willow (Salix tweedyi) – 7 photos
variable willow (Salix commutata) – 42 photos
weeping willow (Salix ×sepulcralis) – 9 photos
white willow (Salix alba) – 5 photos
Willow weed
willow weed (Persicaria lapathifolia) – 42 photos
Willow-herb
alpine willow-herb (Epilobium anagallidifolium) – 4 photos
autumn willow-herb (Epilobium brachycarpum) – 61 photos
bog willow-herb (Epilobium leptophyllum) – 1 photo
brook willow-herb (Epilobium torreyi) – 23 photos
California willow-herb (Epilobium minutum) – 34 photos
chaparral willow-herb (Epilobium minutum) – 34 photos
ciliate willow-herb (Epilobium ciliatum) – 48 photos
ciliate willow-herb (Epilobium glandulosum) – 37 photos
dense-flower willow-herb (Epilobium densiflorum) – 35 photos
glandular willow-herb (Epilobium hallianum) – 12 photos
great willow-herb (Epilobium hirsutum) – 34 photos
hairy willow-herb (Epilobium hirsutum) – 34 photos
Hall's willow-herb (Epilobium hallianum) – 12 photos
Hornemann's willow-herb (Epilobium hornemannii) – 14 photos
Hornemann's willow-herb (Epilobium hornemannii ssp. hornemannii) – 7 photos
marsh willow-herb (Epilobium palustre) – 16 photos
Oregon willow-herb (Epilobium oregonense) – 19 photos
pimpernel willow-herb (Epilobium anagallidifolium) – 4 photos
slender-fruit willow-herb (Epilobium leptocarpum) – 6 photos
small-flowered willow-herb (Epilobium minutum) – 34 photos
smooth willow-herb (Epilobium campestre) – 82 photos
smooth willow-herb (Epilobium glaberrimum) – 156 photos
tall annual willow-herb (Epilobium brachycarpum) – 61 photos
talus willow-herb (Epilobium clavatum) – 56 photos
Watson's willow-herb (Epilobium ciliatum) – 48 photos
white-flower willow-herb (Epilobium lactiflorum) – 28 photos
willow-herb (Epilobium) – 4 photos
yellow willow-herb (Epilobium luteum) – 42 photos
Willow-weed
willow-weed (Epilobium) – 4 photos
Willowherb
Rocky Mountain willowherb (Epilobium saximontanum) – 6 photos
Windflower
Columbian windflower (Anemone deltoidea) – 34 photos
Drummond's windflower (Anemone drummondii) – 31 photos
Drummond's windflower (Anemone drummondii var. drummondii) – 39 photos
hirsute windflower (Anemone multifida var. saxicola) – 9 photos
Lyall's windflower (Anemone lyallii) – 27 photos
northern windflower (Anemone parviflora) – 11 photos
Oregon windflower (Anemone oregana) – 37 photos
Pacific windflower (Anemone multifida var. multifida) – 19 photos
Piper's windflower (Anemone piperi) – 31 photos
windflower (Anemone) – 1 photo
Wine-cap
wine-cap (Chroogomphus vinicolor) – 4 photos
Winey-base
pale winey-base (Ramaria vinosimaculans) – 4 photos
yellow winey-base (Ramaria rubiginosa) – 3 photos
Wingscale
wingscale (Atriplex canescens) – 8 photos
Wintercress
bitter wintercress (Barbarea vulgaris) – 16 photos
early wintercress (Barbarea verna) – 1 photo
Winterfat
winterfat (Krascheninnikovia lanata) – 22 photos
Wintergreen
alpine wintergreen (Gaultheria humifusa) – 16 photos
common pink wintergreen (Pyrola asarifolia) – 34 photos
common pink wintergreen (Pyrola asarifolia ssp. asarifolia) – 22 photos
green-flower wintergreen (Pyrola chlorantha) – 27 photos
leafless wintergreen (Pyrola aphylla) – 18 photos
lesser wintergreen (Pyrola minor) – 18 photos
liver-leaf wintergreen (Pyrola asarifolia) – 34 photos
liver-leaf wintergreen (Pyrola asarifolia ssp. asarifolia) – 22 photos
slender wintergreen (Gaultheria ovatifolia) – 29 photos
snowline wintergreen (Pyrola minor) – 18 photos
Wirelettuce
small wirelettuce (Stephanomeria exigua) – 10 photos
stiff-branched wirelettuce (Stephanomeria paniculata) – 9 photos
Wireweed
false wireweed (Rigiopappus leptocladus) – 19 photos
Witches'-moneybags
witches'-moneybags (Hylotelephium telephium) – 7 photos
Witchgrass
Scribner's panicgrass witchgrass (Dichanthelium oligosanthes ssp. scribnerianum) – 25 photos
western witchgrass (Panicum dichotomiflorum ssp. dichotomiflorum) – 14 photos
witchgrass (Dichanthelium oligosanthes ssp. scribnerianum) – 25 photos
witchgrass (Panicum capillare) – 16 photos
witchgrass (Panicum capillare ssp. capillare) – 22 photos
Woad
Dyer's woad (Isatis tinctoria) – 8 photos
woad (Isatis tinctoria) – 8 photos
Wolfberry
Chinese wolfberry (Lycium chinense) – 3 photos
wolfberry (Elaeagnus commutata) – 7 photos
wolfberry (Symphoricarpos occidentalis) – 7 photos
Woman-on-motorcycle
woman-on-motorcycle (Leucoagaricus leucothites) – 10 photos
Wood beauty
John Day wood beauty (Drymocallis campanulata) – 8 photos
Wood fern
Sierra wood fern (Amauropelta nevadensis) – 19 photos
Wood-cups
green wood-cups (Chlorociboria aeruginascens) – 7 photos
Wood-ear
wood-ear (Auricularia auricula) – 4 photos
Wood-fern
crested wood-fern (Dryopteris cristata) – 13 photos
spinulose wood-fern (Dryopteris carthusiana) – 25 photos
spreading wood-fern (Dryopteris expansa) – 20 photos
toothed wood-fern (Dryopteris carthusiana) – 25 photos
Wood-reed
slender wood-reed (Cinna latifolia) – 6 photos
Wood-rush
short-stalked wood-rush (Luzula subsessilis) – 6 photos
Wood-sorrel
creeping yellow wood-sorrel (Oxalis corniculata) – 10 photos
great wood-sorrel (Oxalis trilliifolia) – 12 photos
Oregon wood-sorrel (Oxalis oregana) – 25 photos
trillium-leaf wood-sorrel (Oxalis trilliifolia) – 12 photos
western yellow wood-sorrel (Oxalis suksdorfii) – 9 photos
wood-sorrel (Oxalis) – 1 photo
Woodbine
woodbine (Lonicera periclymenum) – 7 photos
Woodcrust
gelatinous woodcrust (Phlebia tremellosa (Merulius tremellosus)) – 3 photos
Woodland star
bulbous woodland star (Lithophragma glabrum) – 77 photos
slender woodland star (Lithophragma tenellum) – 36 photos
small-flower woodland star (Lithophragma parviflorum) – 97 photos
Woodlover
clustered woodlover (Hypholoma fasciculare) – 18 photos
smoky-gilled woodlover (Hypholoma capnoides) – 8 photos
Woodrush
common woodrush (Luzula multiflora) – 28 photos
curved woodrush (Luzula arcuata) – 8 photos
field woodrush (Luzula campestris) – 18 photos
Hitchcock's woodrush (Luzula hitchcockii) – 36 photos
large-anthered woodrush (Luzula macrantha) – 6 photos
large-flowered woodrush (Luzula macrantha) – 6 photos
Pacific woodrush (Luzula comosa) – 12 photos
Pacific woodrush (Luzula comosa var. laxa) – 21 photos
pale woodrush (Luzula comosa var. comosa) – 1 photo
Piper's woodrush (Luzula piperi) – 2 photos
prairie woodrush (Luzula macrantha) – 6 photos
small-flowered woodrush (Luzula parviflora) – 40 photos
smooth woodrush (Luzula hitchcockii) – 36 photos
spiked woodrush (Luzula spicata) – 5 photos
spiked woodrush (Luzula spicata ssp. spicata) – 4 photos
Woodsia
Oregon woodsia (Woodsia oregana) – 21 photos
woodsia (Woodsia scopulina) – 6 photos
Woodwax
almond woodwax (Hygrophorus agathosmus) – 4 photos
blotched woodwax (Hygrophorus erubescens) – 4 photos
gold flecked woodwax (Hygrophorus chrysodon) – 12 photos
ivory woodwax (Hygrophorus eburneus) – 4 photos
rosy woodwax (Hygrophorus pudorinus) – 4 photos
Woolly sunflower
common woolly sunflower (Eriophyllum lanatum) – 40 photos
common woolly sunflower (Eriophyllum lanatum var. lanatum) – 31 photos
common woolly sunflower (Eriophyllum lanatum var. leucophyllum) – 7 photos
Woolly-foot
wood woolly-foot (Gymnopus peronatus) – 2 photos
Woolly-marbles
dwarf woolly-marbles (Psilocarphus brevissimus) – 1 photo
Woolly-stem
woolly-stem (Agaricus subrutilescens) – 14 photos
Woollycap
woollycap (Suillus tomentosus) – 4 photos
Woollyheads
dwarf woollyheads (Psilocarphus brevissimus var. brevissimus) – 21 photos
Oregon woollyheads (Psilocarphus oregonus) – 17 photos
slender woollyheads (Psilocarphus tenellus) – 12 photos
tall woollyheads (Psilocarphus elatior) – 23 photos
Woolstar
Wilcox's woolstar (Eriastrum wilcoxii) – 18 photos
Wormseed
wormseed (Dysphania ambrosioides) – 58 photos
Wormwood
annual wormwood (Artemisia annua) – 4 photos
beach wormwood (Artemisia stelleriana) – 5 photos
biennial wormwood (Artemisia biennis) – 12 photos
boreal wormwood (Artemisia norvegica) – 3 photos
Cascade wormwood (Artemisia tilesii) – 11 photos
coastal wormwood (Artemisia suksdorfii) – 31 photos
Douglas's wormwood (Artemisia douglasiana) – 22 photos
dragon wormwood (Artemisia dracunculus) – 26 photos
forked wormwood (Artemisia furcata) – 30 photos
lobed wormwood (Artemisia vulgaris) – 18 photos
Michaux's wormwood (Artemisia michauxiana) – 24 photos
mountain wormwood (Artemisia ludoviciana ssp. incompta) – 32 photos
northern wormwood (Artemisia campestris) – 11 photos
northern wormwood (Artemisia campestris var. borealis) – 4 photos
Scouler's wormwood (Artemisia campestris var. scouleriana) – 9 photos
silver wormwood (Artemisia ludoviciana ssp. ludoviciana) – 46 photos
Steller's wormwood (Artemisia stelleriana) – 5 photos
wormwood (Artemisia) – 1 photo
wormwood (Artemisia absinthium) – 20 photos
Wort
swallow wort (Chelidonium majus) – 15 photos
Wyethia
narrowleaf wyethia (Wyethia angustifolia) – 30 photos