Acer ginnala   (amur maple)  (6 images)
     Acer glabrum var. douglasii   (Rocky Mountain maple)  (12 images)
     Acer negundo var. violaceum   (eastern box-elder)  (11 images)
     Acer platanoides   (Norway maple)  (10 images)
     Acer saccharinum   (silver maple)  (8 images) *

     Sambucus cerulea   (blue elderberry)  (6 images)
     Sambucus racemosa var. melanocarpa   (black elderberry)  (8 images)
     Sambucus racemosa var. microbotrys   (red elderberry)  (3 images)
     VIburnum dentatum s.l.   (arrowwood)
     Viburnum lantana   (wayfaring-tree)  (3 images)
     Viburnum opulus var. opulus   (European cranberrybush)  (7 images)

     Alisma triviale   (northern water-plantain)  (8 images)
     Sagittaria cuneata   (arrowhead, wapato)  (4 images)

     Amaranthus albus   (amaranth, white pigweed)
     Amaranthus blitoides   (prostrate pigweed, mat amaranth)
     Amaranthus californicus   (California amaranth)
     Amaranthus hybridus   (smooth pigweed)
     Amaranthus powellii   (Powell's amaranth)
     Amaranthus retroflexus   (rough pigweed, redroot amaranth)

     Narcissus pseudonarcissus   (daffodil)

     Allium parvum   (dwarf onion)  (4 images)

     Allium aaseae   (Aase's onion)  (13 images)
     Allium acuminatum   (tapertip onion)  (7 images)
     Allium simillimum   (dwarf onion)  (6 images)
     Allium sp. nov.  (13 images)
     Allium tolmiei   (Tolmie's onion)  (5 images)

     Rhus aromatica   (skunkbush, three-leaved sumac, fragrant sumac) *
     Rhus glabra   (smooth sumac) *
     Rhus typhina   (staghorn sumac)  (5 images)
     Toxicodendron rydbergii   (western poison-ivy)  (21 images) *

     Angelica arguta   (white, Lyall's,or sharp-toothed angelica)  (8 images)
     Anthriscus caucalis   (bur chervil)  (2 images)
     Berula erecta   (berula, water-parsnip)  (9 images)
     Cicuta douglasii   (western water-hemlock)  (10 images)
     Conium maculatum   (poison-hemlock)  (3 images)
     Cymopterus glaucus   (waxy or grayish spring-parsley)
     Daucus carota   (Queen Anne's lace, wild carrot)
     Heracleum maximum   (cow-parsnip)  (9 images)
     Lomatium andrusianum   (Andrus's biscuitroot)  (9 images) *
     Lomatium bicolor var. leptocarpum   (gumbo or Wasatch biscuitroot)  (1 image)
     Lomatium idahoense   (Idaho biscuitroot)
     Lomatium linearifolium   (orogenia, Indian-potato, turkey-pea)  (6 images) *
     Lomatium macrocarpum   (bigseed biscuitroot)  (3 images)
     Lomatium multifidum   (fernleaf biscuitroot)  (20 images)
     Lomatium nudicaule   (barestem biscuitroot, pestle-parsnip)  (13 images)
     Lomatium papilioniferum   (butterfly biscuitroot)  (10 images) *
     Lomatium simplex   (narrowleaf or Great Basin biscuitroot )  (11 images)
     Osmorhiza berteroi   (mountain sweet-cicely)  (6 images)
     Osmorhiza occidentalis   (western sweetroot, sweet-cicely)  (7 images)
     Pastinaca sativa   (parsnip)
     Perideridia bolanderi   (Bolander's yampah)  (9 images)
     Perideridia montana   (mountain, Gairdner's, or western yampah)  (9 images)

     Apocynum androsaemifolium   (spreading dogbane)  (4 images)
     Apocynum cannabinum   (hemp dogbane)  (13 images)
     Apocynum floribundum   (western or intermediate dogbane)  (13 images) *
     Vinca major   (bigleaf periwinkle, great periwinkle)
     Vinca minor   (common or lesser periwinkle)

     Hedera helix   (English ivy)  (10 images) *

     Asclepias cryptoceras ssp. davisii   (pallid, jewel, or Davis's milkweed, cow-cabbage)  (10 images)
     Asclepias fascicularis   (narrowleaf or Mexican milkweed)  (9 images)
     Asclepias speciosa   (showy milkweed)  (10 images)

     Asparagus officinalis   (asparagus)
     Maianthemum racemosum ssp. amplexicaule   (false Solomon's-seal)  (4 images)
     Maianthemum stellatum   (starry Solomon's-seal)  (6 images)
     Muscari armeniacum   (Armenian grape-hyacinth)
     Ornithogalum umbellatum   (star-of-Bethlehem)

     Camassia quamash   (common camas)  (9 images) *

     Achillea filipendulina   (fernleaf yarrow)
     Achillea millefolium   (yarrow)  (5 images)
     Agoseris aurantiaca var. aurantiaca   (orange agoseris)  (2 images)
     Agoseris grandiflora   (bigflower agoseris or mountain-dandelion)  (18 images)
     Agoseris heterophylla var. heterophylla   (annual agoseris or mountain-dandelion)  (5 images)
     Agoseris parviflora   (steppe agoseris or mountain-dandelion)  (7 images)
     Agoseris retrorsa   (spearleaf agoseris)
     Ambrosia acanthicarpa   (bur ragweed)  (9 images)
     Ambrosia artemisiifolia   (annual ragweed, Roman wormwood)  (8 images)
     Anaphalis margaritacea   (pearly everlasting)  (7 images)
     Ancistrocarphus filagineus   (groundstar, fish-hooks)
     Antennaria dimorpha   (dwarf, cushion, or low pussytoes )  (7 images)
     Antennaria luzuloides   (woodrush pussytoes)
     Antennaria racemosa   (racemose pussytoes)  (4 images)
     Antennaria rosea   (rosy pussytoes) *
     Anthemis cotula   (mayweed)
     Arctium minus   (burdock)
     Arnica cordifolia   (heartleaf arnica)  (5 images)
     Artemisia arbuscula ssp. arbuscula   (low sagebrush)  (7 images)
     Artemisia biennis   (biennial mugwort)
     Artemisia cana ssp. viscidula   (silver sagebrush)  (6 images)
     Artemisia dracunculus   (tarragon, dragon sagewort)  (6 images)
     Artemisia longiloba   (little or alkali sagebrush)
     Artemisia ludoviciana var. ludoviciana   (silver or western mugwort)  (3 images)
     Artemisia ludoviciana var. nov.?
     Artemisia rigida   (stiff or scabland sagebrush)  (4 images)
     Artemisia tridentata ssp. tridentata   (basin big sagebrush)  (9 images)
     Artemisia tridentata ssp. vaseyana   (mountain big sagebrush)  (3 images)
     Artemisia tridentata ssp. wyomingensis   (Wyoming big sagebrush)  (4 images)
     Balsamorhiza hispidula   (hairy or Hooker's balsamroot)  (3 images)
     Balsamorhiza sagittata   (arrowleaf balsamroot)  (8 images)
     Bellis perennis   (English or lawn daisy)
     Bidens cernua   (nodding beggar's-ticks)  (7 images)
     Bidens connata   (purplestem beggar's-ticks)
     Bidens frondosa   (leafy beggar's-ticks)  (12 images)
     Bidens vulgata   (tall beggar's-ticks)  (7 images)
     Blepharipappus scaber   (eyelashweed or blepharipappus)  (13 images)
     Brickellia grandiflora   (largeflower brickellia or brickellbush)  (5 images)
     Brickellia microphylla var. microphylla   (littleleaf brickellia or brickellbush)  (7 images)
     Brickellia oblongifolia   (narrowleaf brickellia or brickellbush)
     Centaurea cyanus   (bachelor buttons, cornflower)  (15 images)
     Centaurea diffusa   (diffuse knapweed)
     Centaurea stoebe ssp. australis   (spotted knapweed)
     Centaurea varnensis   (hybrid or sand knapweed)
     Chaenactis douglasii   (Douglas's chaenactis, dusty maidens, bride's bouquet)  (12 images)
     Chaenactis evermannii   (Evermann's chaenactis, Evermann's pincushion)  (5 images)
     Chondrilla juncea   (rush skeletonweed )  (10 images)
     Chrysothamnus viscidiflorus ssp. lanceolatus   (green rabbitbrush)  (4 images) *
     Chrysothamnus viscidiflorus ssp. viscidiflorus   (green rabbitbrush)  (8 images) *
     Cichorium intybus   (chicory)  (3 images)
     Cirsium arvense   (Canada or field thistle)  (3 images)
     Cirsium cymosum var. canovirens   (gray-green thistle)  (15 images) *
     Cirsium inamoenum var. inamoenum   (Greene's thistle, Jackson Hole thistle)  (4 images)
     Cirsium vulgare   (bull thistle)
     Conyza canadensis   (horseweed)  (12 images)
     Coreopsis lanceolata or hybrid cultivar   (lanceleaf coreopsis)
     Coreopsis tinctoria   (Columbia coreopsis, golden or Atkinson's tickseed)  (8 images)
     Crepis acuminata   (tapertip or longleaf hawksbeard)  (7 images)
     Crepis atribarba   (slender or dark hawksbeard)  (6 images)
     Crepis intermedia   (intermediate hawksbeard )
     Crepis modocensis   (Modoc hawksbeard)  (6 images)
     Crepis occidentalis   (western hawksbeard)  (11 images)
     Cyclachaena xanthifolia   (marsh-elder, carelessweed)  (4 images)
     Dieteria canescens   (hoary aster, tansy-aster)  (13 images)
     Ericameria greenei   (Greene's goldenbrush)  (4 images)
     Ericameria nauseosa var. hololeuca   (rubber rabbitbrush)  (6 images) *
     Ericameria nauseosa var. oreophila   (rubber rabbitbrush)  (2 images)
     Erigeron annuus   (annual fleabane)  (13 images)
     Erigeron bloomeri var. bloomeri   (scabland or Bloomer's fleabane)  (9 images)
     Erigeron linearis   (desert yellow fleabane)  (5 images)
     Erigeron pumilus var. intermedius   (shaggy fleabane)  (13 images)
     Erigeron strigosus var. septentrionalis   (prairie or daisy fleabane)  (6 images)
     Eriophyllum lanatum var. integrifolium   (Oregon sunshine)  (14 images) *
     Eriophyllum lanatum var. lanatum   (Oregon sunshine)
     Eucephalus elegans   (elegant aster)  (7 images)
     Eurybia conspicua   (showy aster)  (5 images)
     Eurybia integrifolia   (entire-leaf or thickstem aster)  (8 images)
     Euthamia graminifolia   (grassleaf goldenrod)
     Euthamia occidentalis   (western goldenrod)  (8 images)
     Filago arvensis   (cottonrose)
     Gaillardia aristata   (blanketflower) *
     Gnaphalium palustre   (lowland or western marsh cudweed)  (9 images)
     Grindelia squarrosa   (curly-cup gumweed)  (15 images)
     Gutierrezia sarothrae   (broom snakeweed, matchbrush)
     Helenium autumnale   (common sneezeweed)  (4 images) *
     Helianthella uniflora var. uniflora   (little sunflower, helianthella)  (6 images)
     Helianthus annuus   (common sunflower)  (8 images)
     Heliomeris multiflora var. multiflora   (showy golden-eye)  (2 images)
     Hieracium albiflorum   (white hawkweed)  (6 images)
     Hieracium scouleri   (western or Scouler's hawkweed)  (4 images)
     Hypochaeris radicata   (hairy cat's-ear)
     Iva axillaris   (povertyweed)  (6 images)
     Lactuca biennis   (tall blue lettuce)  (5 images)
     Lactuca serriola   (prickly lettuce)  (4 images)
     Lactuca tatarica var. pulchella   (blue lettuce)
     Lagophylla ramosissima   (hareleaf)  (9 images)
     Lapsana communis   (nipplewort)
     Layia glandulosa   (white tidytips)
     Leontodon saxatilis ssp. saxatilis   (lesser or hairy hawkbit)
     Leucanthemum vulgare   (ox-eye daisy)
     Madia exigua   (threadstem tarweed)  (4 images)
     Madia glomerata   (clustered or mountain tarweed)  (13 images)
     Madia gracilis   (common tarweed)  (6 images)
     Matricaria discoidea   (pineapple-weed)
     Microseris nutans   (nodding microseris, silverpuffs)
     Nothocalais troximoides   (sagebrush false-dandelion)  (10 images)
     Onopordum acanthium ssp. acanthium   (Scotch thistle)
     Pseudognaphalium stramineum   (cotton-batting plant)  (8 images)
     Pseudognaphalium thermale   (slender or Wright's cudweed, northwestern rabbit-tobacco)  (6 images)
     Psilocarphus brevissimus var. brevissimus   (round or short woolly-marbles)  (2 images)
     Psilocarphus oregonus   (Oregon woolly-marbles)  (5 images)
     Pyrrocoma carthamoides   (largeflower goldenweed)  (6 images)
     Ratibida columnifera   (prairie coneflower, Mexican-hat)
     Rhaponticum repens   (Russian knapweed, hardheads)
     Rigiopappus leptocladus   (wireweed, rigiopappus)  (5 images) *
     Rudbeckia hirta var. pulcherrima   (blackeyed Susan)
     Rudbeckia occidentalis   (western coneflower)  (5 images)
     Senecio hydrophilus   (water ragwort, alkali-marsh ragwort)
     Senecio integerrimus var. exaltatus   (western or lambtongue groundsel)  (5 images)
     Senecio serra var. serra   (butterweed groundsel, tall ragwort)  (8 images)
     Senecio triangularis   (arrowleaf groundsel)  (4 images)
     Senecio vulgaris   (common groundsel, ragwort)
     Solidago canadensis s.s.   (Canada goldenrod)
     Solidago gigantea   (giant goldenrod)
     Solidago lepida var. salebrosa   (rough or Canada goldenrod)  (9 images) *
     Solidago missouriensis   (Missouri goldenrod)  (6 images) *
     Sonchus arvensis var. glabrescens   (field or perennial sow-thistle)
     Sonchus asper ssp. asper   (prickly sow-thistle)
     Sonchus oleraceus   (common sow-thistle)
     Stephanomeria paniculata   (stiff-branched or tufted wirelettuce)  (5 images)
     Symphyotrichum ascendens   (intermountain or longleaf aster)
     Symphyotrichum bracteolatum   (Eaton's aster)
     Symphyotrichum frondosum   (short-rayed alkali aster)  (6 images)
     Symphyotrichum lanceolatum var. hesperium   (marsh or willow aster)
     Symphyotrichum novae-angliae   (New England aster)
     Tanacetum balsamita   (costmary)
     Tanacetum parthenium   (feverfew)
     Tanacetum vulgare   (common tansy)
     Taraxacum erythrospermum   (red-seeded dandelion)  (1 image)
     Taraxacum officinale   (common dandelion)  (1 image)
     Townsendia florifer   (showy townsendia)
     Tragopogon dubius   (yellow salsify or goat's-beard )  (5 images)
     Tripleurospermum inodorum   (false or scentless mayweed) *
     Uropappus lindleyi   (Lindley's silverpuffs)
     Wyethia amplexicaulis   (northern or yellow mule's-ears)  (8 images)
     Xanthium strumarium   (cocklebur)  (5 images) *

     Athyrium filix-femina ssp. cyclosorum   (western lady-fern)  (3 images)

     Impatiens capensis   (spotted jewelweed, spotted touch-me-not)

     Berberis aquifolium   (shining, tall, or hollyleaf Oregon-grape)  (9 images)
     Berberis repens   (creeping Oregon-grape)  (6 images)
     Berberis thunbergii   (Japanese barberry)  (7 images)
     Berberis vulgaris   (common or European barberry)  (5 images)

     Alnus incana ssp. tenuifolia   (mountain or thinleaf alder)  (7 images)
     Betula occidentalis   (water birch)  (3 images)

     Catalpa bignonioides   (southern catalpa)  (14 images)
     Catalpa speciosa   (northern catalpa)  (11 images)

     Amsinckia lycopsoides   (tarweed or bugloss fiddleneck)  (6 images)
     Amsinckia retrorsa   (rigid or harvest fiddleneck)  (12 images) *
     Amsinckia tessellata var. tessellata   (rough, bristly, or tesselate fiddleneck)  (6 images) *
     Asperugo procumbens   (madwort, German-madwort, catchweed)
     Buglossoides arvensis   (corn or field gromwell)
     Cryptantha affinis   (slender cryptantha)
     Cryptantha ambigua   (obscure cryptantha)  (5 images)
     Cryptantha echinella   (prickly cryptantha)  (6 images)
     Cryptantha flaccida   (weakstem cryptantha)  (5 images)
     Cryptantha simulans   (pinewood cryptantha)  (3 images) *
     Cryptantha torreyana var. torreyana   (Torrey's cryptantha)  (4 images)
     Cryptantha watsonii   (Watson's cryptantha)  (9 images)
     Cynoglossum officinale   (hound's-tongue)  (4 images)
     Greeneocharis circumscissa var. circumscissa   (matted cryptantha)  (5 images)
     Hackelia cinerea   (gray stickseed)  (2 images)
     Hackelia micrantha   (blue stickseed)  (12 images)
     Lappula sp.   (lappula)
     Lithospermum ruderale   (stoneseed, puccoon, gromwell)  (5 images)
     Mertensia cusickii   (Cusick's bluebells)  (5 images)
     Mertensia foliosa   (sagebrush bluebells, leafy bluebells, oblongleaf bluebells)  (6 images)
     Mertensia longiflora   (small or longflower bluebells)  (4 images)
     Mertensia paniculata var. borealis   (northern or tall bluebells)  (6 images)
     Myosotis laxa   (small-flowered forget-me-not) *
     Myosotis micrantha   (mouse-ear forget-me-not, blue scorpion-grass)
     Myosotis scorpioides   (common forget-me-not)
     Pectocarya penicillata   (winged combseed)  (5 images)
     Pectocarya setosa   (bristly combseed)
     Plagiobothrys hispidulus   (harsh popcorn-flower)
     Plagiobothrys leptocladus   (slender-branched or alkali popcorn-flower)  (11 images)
     Plagiobothrys stipitatus var. micranthus   (small-flowered popcorn-flower)
     Plagiobothrys tenellus   (cross-seed or slender popcorn-flower)  (9 images)
     Symphytum officinale   (comfrey)

     Alyssum alyssoides   (pale alyssyum or madwort)
     Alyssum desertorum   (desert alyssum or madwort)  (7 images)
     Alyssum simplex   (European alyssum or madwort)
     Arabidopsis thaliana   (mouse-ear cress, arabidopsis)
     Barbarea orthoceras   (American wintercress or yellowrocket)  (7 images)
     Barbarea vulgaris   (bitter wintercress, yellow rocket)
     Berteroa incana   (hoary alyssum)
     Boechera pauciflora   (hairystem rockcress)
     Boechera retrofracta   (secund rockcress)  (10 images)
     Boechera sparsiflora   (sicklepod rockcress)
     Boechera sparsiflora var. nov.
     Boechera subpinnatifida   (Klamath rockcress)
     Brassica rapa   (field mustard)
     Camelina microcarpa   (littlepod falseflax)
     Capsella bursa-pastoris   (shepherd's-purse)
     Cardamine cordifolia   (heartleaf or mountain bittercress)
     Cardamine hirsuta   (hairy bittercress)
     Cardamine occulta   (occult bittercress)
     Cardamine pensylvanica   (Pennsylvania bittercress)  (6 images)
     Caulanthus pilosus   (hairy wild-cabbage)  (9 images)
     Chorispora tenella   (blue mustard, crossflower)  (2 images)
     Cusickiella douglasii   (cusickiella, Douglas's draba)  (7 images) *
     Descurainia incisa ssp. incisa   (mountain tansymustard)  (8 images)
     Descurainia longepedicellata   (long-pediceled tansymustard)  (4 images)
     Descurainia nelsonii   (Nelson's tansymustard, sagebrush tansymustard)
     Descurainia sophia   (flixweed, Herb Sophia)
     Diplotaxis tenuifolia   (perennial or slimleaf wallrocket)
     Draba nemorosa   (woodland draba)
     Draba verna   (spring whitlow-grass)  (2 images)
     Erysimum capitatum var. purshii   (western or Pursh's wallflower)  (11 images)
     Erysimum repandum   (spreading wallflower)
     Hesperis matronalis   (dames rocket, Damask-violet)
     Hirschfeldia incana   (hoary or shortpod mustard)  (6 images)
     Idahoa scapigera   (idahoa, pepperpod, scalepod)  (6 images) *
     Lepidium campestre   (field pepperweed)
     Lepidium densiflorum   (common or prairie pepperweed)
     Lepidium draba   (whitetop, hoary cress)  (7 images)
     Lepidium latifolium   (perennial or broadleaf pepperweed, tall whitetop)  (3 images)
     Lepidium papilliferum   (slickspot peppergrass) *
     Lepidium perfoliatum   (clasping papperweed)  (3 images)
     Lepidium virginicum ssp. menziesii   (Menzies' pepperweed)  (6 images)
     Lepidium virginicum ssp. virginicum   (common pepperweed)
     Lunaria annua   (honesty, silver dollar plant)
     Microthlaspi perfoliatum   (claspleaf or perfoliate pennycress)
     Nasturtium officinale   (watercress)  (4 images)
     Noccaea fendleri ssp. glauca   (alpine pennycress, Idaho candytuft)  (2 images)
     Phoenicaulis cheiranthoides   (daggerpod)
     Physaria occidentalis   (western bladderpod)  (7 images)
     Rorippa curvipes   (bluntleaf yellowcress)  (7 images) *
     Rorippa curvisiliqua   (western or curvepod yellowcress)  (6 images) *
     Rorippa palustris ssp. palustris   (marsh or bog yellowcress)  (6 images) *
     Rorippa sphaerocarpa   (roundfruit yellowcress)  (4 images) *
     Sisymbrium altissimum   (tumble or Jim Hill mustard)  (5 images)
     Thlaspi arvense   (field pennycress, fanweed)
     Thysanocarpus curvipes   (sand fringepod)  (6 images)
     Turritis glabra   (towermustard)  (3 images)

     Opuntia polyacantha ssp. polyacantha   (plains or starvation prickly pear)  (12 images)
     Pediocactus simpsonii   (mountain ball cactus, Simpson's hedgehog cactus)  (6 images)

     Callitriche hermaphroditica   (northern water-starwort)
     Callitriche palustris   (spring water-starwort)

     Campanula rapunculoides   (creeping bellflower)
     Heterocodon rariflorum   (heterocodon, pearlflower)  (4 images)
     Triodanis perfoliata   (Venus's looking-glass)

     Humulus lupulus var. lupuloides   (wild hop)  (5 images)

     Celtis occidentalis   (common hackberry)  (5 images)
     Celtis reticulata   (netleaf hackberry)  (10 images)

     Lonicera bella   (showy fly honeysuckle)
     Lonicera involucrata var. involucrata   (black twinberry, twinberry honeysuckle)
     Lonicera japonica   (Japanese honeysuckle)  (6 images)
     Lonicera maackii   (Amur honeysuckle)  (10 images)
     Lonicera tatarica   (Tatarian honeysuckle)  (3 images)
     Lonicera utahensis   (red twinberry, Utah honeysuckle)  (5 images)
     Symphoricarpos albus var. laevigatus   (common snowberry)  (9 images)
     Symphoricarpos orbiculatus   (coralberry)  (7 images)
     Symphoricarpos rotundifolius var. vaccinioides   (mountain snowberry)  (7 images)

     Arenaria serpyllifolia var. serpyllifolia   (thymeleaf sandwort)
     Cerastium fontanum ssp. vulgare   (common mouse-ear chickweed)
     Cerastium glomeratum   (sticky mouse-ear chickweed)
     Cerastium nutans   (nodding mouse-ear chickweed)
     Dianthus armeria ssp. armeria   (grass pink, Deptford pink)
     Dichodon viscidum   (doubtful mouse-ear chickweed)
     Eremogone aculeata   (prickly sandwort)  (7 images)
     Eremogone congesta var. cephaloidea   (ballhead sandwort)  (8 images)
     Eremogone franklinii var. franklinii   (Franklin's sandwort)  (5 images)
     Gypsophila paniculata   (baby's-breath) *
     Holosteum umbellatum ssp. umbellatum   (jagged chickweed)  (2 images)
     Lychnis coronaria   (rose campion)
     Moehringia macrophylla   (bigleaf sandwort)  (3 images)
     Pseudostellaria jamesiana   (sticky starwort)
     Sabulina pusilla   (dwarf sandwort)
     Sagina apetala   (annual pearlwort)
     Sagina procumbens   (birdeye or procumbent pearlwort)
     Saponaria officinalis   (soapwort, bouncing bet)  (12 images)
     Silene antirrhina   (sleepy catchfly)
     Silene douglasii var. douglasii   (Douglas's catchfly or silene)  (6 images)
     Silene latifolia   (white campion)
     Silene menziesii   (Menzies' catchfly or silene)  (5 images)
     Silene oregana   (Oregon silene, Oregon campion and Oregon catchfly)  (4 images)
     Spergularia diandra   (alkali sandspurry)
     Spergularia rubra   (red sandspurry)
     Stellaria borealis ssp. sitchana   (Sitka or boreal starwort)
     Stellaria crispa   (criped or curled starwort)  (4 images)
     Stellaria longipes ssp. longipes   (longstalk starwort)
     Stellaria media   (common chickweed)
     Stellaria nitens   (shining chickweed)  (3 images)
     Stellaria obtusa   (Rocky Mountain chickweed)  (5 images)
     Vaccaria hispanica   (cowcockle) *

     Euonymus europaeus   (European spindle-tree)  (11 images)
     Euonymus fortunei   (winter creeper)  (10 images)

     Ceratophyllum demersum   (hornwort)

     Atriplex canescens var. canescens   (four-wing shadscale or saltbush)  (10 images)
     Atriplex dioica   (thickleaf orache)
     Atriplex gardneri var. falcata   (sickle saltbush)  (5 images)
     Atriplex heterosperma   (Russian atriplex, two-scale orache)
     Atriplex rosea   (red or tumbling orache)
     Bassia prostrata   (forage kochia, little salt-cedar)  (6 images)
     Bassia scoparia   (kochia, burningbush, mock-cypress)
     Blitum nuttallianum   (Nuttall's povertyweed)  (3 images)
     Chenopodiastrum simplex   (mapleleaf goosefoot, sowbane)  (3 images)
     Chenopodium album   (lambsquarters, pigweed, white goosefoot) *
     Chenopodium atrovirens   (mountain or pinyon goosefoot)  (11 images)
     Chenopodium desiccatum   (aridland goosefoot)  (4 images)
     Chenopodium fremontii   (Fremont's goosefoot)  (4 images)
     Chenopodium strictum   (striped or late-flowering goosefoot)
     Dysphania botrys   (Jerusalem-oak)
     Dysphania pumilio   (clammy goosefoot)
     Grayia spinosa   (spiny hopsage) *
     Oxybasis glauca ssp. glauca   (oakleaf goosefoot)
     Oxybasis rubra var. rubra   (red goosefoot)
     Salsola tragus   (Russian-thistle, tumbleweed)

     Comandra umbellata ssp. pallida   (bastard toadflax)  (3 images) *

     Convolvulus arvensis   (field bindweed, wild morning-glory)  (6 images)

     Cuscuta approximata var. approximata   (alfalfa dodder)
     Cuscuta campestris   (field dodder)  (6 images)
     Cuscuta indecora   (inelegant or bigseed dodder)
     Cuscuta occidentalis   (western dodder)  (5 images)

     Cornus sanguinea   (bloodtwig dogwood)  (7 images) *
     Cornus sericea   (red-osier dogwood)  (12 images) *

     Crassula aquatica   (water pygmy-weed)
     Sedum lanceolatum   (lanceleaf stonecrop)  (7 images)
     Sedum stenopetalum ssp. stenopetalum   (wormleaf stonecrop)  (3 images)

     Echinocystis lobata   (wild cucumber) *

     Juniperus spp.   (juniper) *

     Carex amplifolia   (bigleaf sedge)
     Carex athrostachya   (slender-beak or long-bracted sedge)
     Carex cordillerana   (cordilleran sedge)
     Carex douglasii   (Douglas's sedge )  (1 image)
     Carex filifolia var. filifolia   (threadleaf sedge)
     Carex geyeri   (Geyer's sedge)
     Carex hoodii   (Hood's sedge)
     Carex microptera   (smallwing sedge)
     Carex nebrascensis   (Nebraska sedge)
     Carex pellita   (woolly sedge)
     Carex praegracilis   (clustered field sedge)
     Carex rossii   (Ross's sedge)
     Carex stipata var. stipata   (awl-fruit sedge)
     Carex vulpinoidea   (fox sedge)
     Cyperus bipartitus   (shining flatsedge)
     Cyperus esculentus var. leptostachya   (yellow nut-grass)
     Cyperus michelianus   (Michel's flatsedge)
     Cyperus squarrosus   (awned flatsedge)
     Cyperus strigosus   (straw-colored flatsedge)
     Eleocharis acicularis   (needle spike-rush)
     Eleocharis bella   (delicate spikerush)
     Eleocharis ovata   (ovoid spike-rush)
     Eleocharis palustris   (common spike-rush )
     Lipocarpha micrantha   (smallflower micrantham dwarf bulrush)
     Schoenoplectus acutus   (hardstem bulrush or tule) *
     Schoenoplectus americanus   (Olney's or American threesquare)
     Schoenoplectus pungens   (common threesquare)
     Schoenoplectus tabernaemontani   (softstem bulrush or tule) *
     Scirpus microcarpus   (panicled or small-fruited bulrush)
     Scirpus pallidus   (pale bulrush)

     Cystopteris fragilis   (brittle fern)  (5 images)

     Pteridium aquilinum ssp. pubescens   (bracken fern)  (3 images)

     Dipsacus sylvestris   (wild teasel) *

     Elaeagnus angustifolia   (Russian-olive)  (3 images)
     Shepherdia argentea   (buffalo-berry)  (7 images)

     Elatine ambigua   (Asian waterwort)
     Elatine californica   (California waterwort)
     Elatine rubella   (southwestern waterwort)

     Ephedra viridis   (green ephedra, Mormon-tea)  (4 images)

     Equisetum arvense   (common or field horsetail)  (5 images)
     Equisetum hyemale ssp. affine   (common scouring-rush)
     Equisetum laevigatum   (smooth scouring-rush)  (8 images)

     Pterospora andromedea   (pinedrops)  (5 images)

     Chimaphila umbellata ssp. umbellata   (prince's pine, pipsissewa)  (2 images)
     Orthilia secunda   (one-sided or sidebells wintergreen)

     Acalypha australis   (Asian copperleaf)
     Croton setigerus   (turkey mullein)  (7 images)
     Euphorbia glyptosperma   (ribseed spurge or sandmat)  (10 images)
     Euphorbia maculata   (spotted spurge or sandmat)
     Euphorbia myrsinites   (myrtle spurge, donkey tail)  (5 images) *
     Euphorbia nutans   (nodding spurge, eyebane)
     Euphorbia peplus   (petty spurge)

     Acmispon americanus var. americanus   (birds-foot trefoil, Spanish-clover)  (8 images)
     Amorpha fruticosa   (bastard indigo, false indigo-bush)  (7 images)
     Astragalus adanus   (Boise milkvetch)  (13 images)
     Astragalus cicer   (chickpea milkvetch)
     Astragalus curvicarpus var. curvicarpus   (sickle or curvepod milkvetch)  (8 images)
     Astragalus eremiticus var. spencianus   (hermit milkvetch)  (10 images)
     Astragalus filipes   (basalt, slimpod, or threadstalk milkvetch)
     Astragalus lentiginosus var. chartaceus   (freckled milkvetch)  (6 images)
     Astragalus lentiginosus var. lentiginosus   (freckled milkvetch)  (7 images)
     Astragalus mulfordiae   (Mulford's milkvetch)  (10 images)
     Astragalus purshii var. glareosus   (woolly-pod milkvetch)  (16 images)
     Astragalus purshii var. lagopinus   (rabbitsfoot milkvetch)  (11 images)
     Caragana arborescens   (Siberian pea-shrub or pea-tree)  (5 images)
     Cercis siliquastrum   (redbud, Judas tree)
     Genista tinctoria   (dyer's broom, dyer's greenwood)  (8 images)
     Gleditsia triacanthos   (honey-locust)
     Glycyrrhiza lepidota   (American licorice)  (4 images)
     Gymnocladus dioicus   (Kentucky coffee tree)
     Lathyrus latifolius   (everlasting pea, broadleaf sweetpea)
     Lathyrus nevadensis var. cusickii   (Cusick's sweetpea. Sierra pea)  (5 images)
     Lathyrus pauciflorus var. pauciflorus   (few-flower sweetpea)  (15 images)
     Lathyrus rigidus   (rigid, stiff, or bushy pea)
     Lotus corniculatus   (bird's-foot trefoil)
     Lotus tenuis   (narrowleaf trefoil)
     Lupinus arbustus   (longspur or polychrome lupine)  (27 images)
     Lupinus argenteus var. argentatus   (silver or mountain lupine)  (8 images)
     Lupinus argenteus var. heteranthus   (silver or tailcup lupine)  (27 images)
     Lupinus argenteus var. holosericeus   (holo lupine)
     Lupinus polyphyllus   (bigleaf, meadow, or garden lupine)  (9 images)
     Lupinus sericeus var. sericeus   (silky lupine)  (16 images)
     Medicago lupulina   (black medick)
     Medicago sativa   (alfalfa, lucerne)  (4 images)
     Melilotus albus   (white sweetclover)  (1 image)
     Melilotus officinalis   (yellow sweetclover)
     Onobrychis viciifolia   (holy clover)
     Robinia pseudoacacia   (black locust)  (4 images) *
     Securigera varia   (crown vetch)
     Thermopsis montana   (golden pea, false lupine, golden-banner)
     Trifolium fragiferum   (strawberry clover)
     Trifolium hybridum   (alsike clover)
     Trifolium incarnatum   (crimson clover)
     Trifolium macrocephalum   (bighead clover)  (4 images)
     Trifolium microcephalum   (smallhead or maiden clover )  (8 images)
     Trifolium pratense   (red clover)
     Trifolium repens   (white clover)
     Trifolium variegatum   (white-tip clover)  (7 images)
     Trifolium wormskioldii   (springbank clover)  (8 images)
     Vicia americana   (American vetch)  (3 images)
     Vicia hirsuta   (tiny vetch, hairy tare)
     Vicia sativa var. angustifolia   (common vetch, garden vetch)
     Vicia villosa var. glabrescens   (winter vetch)
     Vicia villosa var. villosa   (hairy vetch, winter vetch)

     Quercus macrocarpa   (bur oak)
     Quercus robur   (English oak)
     Quercus rubra   (red oak)  (2 images)

     Centaurium erythraea   (common or European centaury)
     Frasera albicaulis var. cusickii   (Cusick's frasera)
     Frasera montana   (white frasera)

     Erodium cicutarium   (stork- or cranesbill, filaree)  (4 images) *
     Geranium carolinianum   (Carolina geranium)
     Geranium robertianum   (herb-Robert)
     Geranium viscosissimum   (sticky geranium)  (9 images)

     Ribes aureum var. aureum   (golden currant)  (10 images)
     Ribes cereum var. cereum   (wax currant)  (4 images) *
     Ribes hudsonianum   (northern black currant)  (2 images)
     Ribes lacustre   (prickly currant)  (7 images)
     Ribes viscosissimum   (sticky currant)  (2 images)

     Myriophyllum spicatum   (Eurasian water-milfoil)

     Philadelphus lewisii   (syringa or Lewis's mock-orange)  (8 images) *

     Elodea canadensis   (Canadian waterweed)
     Elodea nuttallii   (Nuttall's waterweed)

     Najas canadensis   (Canada water-nymph)
     Najas flexilis   (wavy or nodding water-nymph)
     Najas guadalupensis ssp. guadalupensis   (southern water-nymph)

     Hesperochiron pumilus   (dwarf hesperochiron)
     Hydrophyllum capitatum var. capitatum   (ballhead waterleaf, woolly-breeches)  (7 images)
     Nemophila breviflora   (Great Basin nemophila)  (6 images)
     Nemophila parviflora var. austiniae   (smallflower or Austin's nemophila)  (3 images)
     Phacelia hastata Shafer Butte
     Phacelia hastata var. hastata   (silverleaf phacelia )  (9 images)
     Phacelia heterophylla var. heterophylla   (wand or virgate phacelia)  (6 images)
     Phacelia linearis   (threadleaf phacelia)  (5 images)
     Phacelia ramosissima var. subglabra   (branched phacelia)  (5 images)

     Hypericum perforatum   (St. Johnswort, klamathweed)  (7 images)

     Iris germanica   (bearded or German iris)
     Iris pseudacorus   (yellow flag iris)  (4 images)
     Olsynium douglasii var. inflatum   (grass-widow) *

     Juglans nigra   (black walnut)  (14 images)
     Juglans regia   (English walnut)

     Juncus acuminatus   (tapered rush)
     Juncus articulatus ssp. articulatus   (jointed rush)
     Juncus balticus ssp. ater   (Baltic rush)
     Juncus bufonius var. bufonius   (common toad rush)
     Juncus bufonius var. occidentalis   (western toad rush)
     Juncus confusus   (Colorado rush) *
     Juncus covillei   (Coville's rush)
     Juncus dudleyi   (Dudley's or "toenail" rush) *
     Juncus effusus ssp. effusus   (soft or pasture rush)
     Juncus ensifolius   (daggerleaf rush)
     Juncus interior   (interior rush) *
     Juncus longistylis   (long-styled rush)
     Juncus mertensianus   (Merten's rush)
     Juncus orthophyllus   (straightleaf or pointed rush)  (1 image)
     Juncus pylaei   (common rush)
     Juncus regelii   (Regel's rush)
     Juncus saximontanus   (Rocky Mountain rush)
     Juncus tenuis   (path or poverty rush) *
     Juncus torreyi   (Torrey's rush)

     Agastache urticifolia var. urticifolia   (nettleleaf or western horsemint, giant-hyssop)  (5 images)
     Glechoma hederacea   (ground-ivy)
     Lamium amplexicaule   (henbit, common deadnettle)
     Lamium purpureum   (purple deadnettle or henbit)
     Leonurus cardiaca   (motherwort)
     Lycopus americanus   (cutleaf or American water-horehound)  (7 images)
     Marrubium vulgare   (horehound)
     Melissa officinalis   (lemon balm)
     Mentha aquatica   (water mint)
     Mentha canadensis   (wild or field mint)  (8 images)
     Mentha rotundifolia   (false apple mint)
     Mentha spicata   (spearmint)
     Nepeta cataria   (catnip)  (5 images)
     Origanum vulgare   (oregano)
     Perovskia atriplicifolia   (Russian sage)  (5 images)
     Pogogyne serpylloides   (thymeleaf mesamint, thymeleaf beardstyle)
     Prunella vulgaris ssp. lanceolata   (lanceleaf or American selfheal)  (11 images)
     Prunella vulgaris ssp. vulgaris   (common selfheal)
     Salvia dorrii var. incana   (purple or grayball sage)
     Scutellaria angustifolia ssp. angustifolia   (narrowleaf skullcap)
     Scutellaria angustifolia ssp. micrantha   (smallflower or snapdragon skullcap)
     Scutellaria nana   (dwarf or Foote's skullcap)  (3 images) *
     Stachys pilosa var. pilosa   (hairy, marsh, or swamp hedge-nettle)  (8 images)

     Lemna minor   (common duckweed)
     Lemna minuta   (least duckweed)
     Spirodela polyrhiza   (greater duckweed, duckmeat)
     Wolffia columbiana   (Columbian water-meal)

     Utricularia   (bladderwort)

     Erythronium grandiflorum var. chrysandrum   (yellow fawnlily, dogtooth-violet, avalanche lily, trout lily, glacier lily)  (10 images) *
     Fritillaria atropurpurea   (checker, leopard, or chocolate lily, mission bells)  (6 images) *
     Fritillaria pudica   (yellow-bells)  (10 images)
     Prosartes trachycarpa   (roughfruit fairybells)
     Streptopus amplexifolius   (twisted-stalk)  (4 images)

     Calochortus eurycarpus   (wing-fruited or white mariposa lily)  (4 images)
     Calochortus macrocarpus var. macrocarpus   (sagebrush or green-banded mariposa/sego lily )  (12 images)

     Floerkea proserpinacoides   (floerkea, false mermaid)  (5 images)

     Linum lewisii var. lewisii   (Lewis's flax)  (1 image)
     Linum perenne   (perennial flax)  (7 images)

     Lindernia dubia   (lindernia, false-pimpernel, moist bank pimpernel)  (10 images)

     Mentzelia albicaulis/veatchiana   (whitestem blazingstar or stickleaf)
     Mentzelia dispersa   (bushy blazingstar or stickleaf)  (7 images)
     Mentzelia laevicaulis var. laevicaulis   (blazingstar)  (8 images)
     Mentzelia montana   (mountain blazingstar, variegated-bract blazingstar)

     Ammannia sp.   (toothcup, ammannia, grand redstem)
     Lythrum hyssopifolia   (hyssop-leaved loosestrife)
     Lythrum salicaria   (purple loosestrife)  (9 images)
     Lythrum tribracteatum   (three-bract loosestrife)
     Rotala ramosior   (rotala, lowland toothcup)

     Hibiscus trionum   (flower-of-an-hour)
     Iliamna rivularis   (mountain hollyhock, streambank globemallow)  (12 images)
     Malva moschata   (musk mallow)
     Malva neglecta   (common mallow, cheeseweed)
     Sidalcea oregana var. oregana   (Oregon checkermallow)  (8 images)
     Sphaeralcea grossulariifolia   (gooseberryleaf globemallow)  (5 images)
     Sphaeralcea munroana   (Munro's or whitestem globemallow)  (7 images)

     Marsilea vestita   (hairy water-clover, clover fern)  (8 images)

     Toxicoscordion paniculatum   (foothill or panicled death-camas)  (2 images) *
     Toxicoscordion venenosum var. venenosum   (meadow death-camas)  (6 images)
     Trillium petiolatum   (Idaho, roundleaf, or purple trillium, petioled wake-robin) *
     Veratrum californicum var. californicum   (California false hellebore or corn-lily)  (5 images) *

     Mollugo verticillata   (carpetweed)

     Calyptridium umbellatum   (pussypaws)  (4 images)
     Claytonia cordifolia   (heartleaf springbeauty)  (4 images)
     Claytonia lanceolata   (western or lanceleaf springbeauty)  (3 images)
     Claytonia parviflora   (Indian miner's lettuce)  (2 images)
     Claytonia perfoliata ssp. intermontana   (common miner's lettuce) *
     Claytonia rubra   (red miner's lettuce)  (4 images)
     Lewisia rediviva var. rediviva   (bitterroot)
     Lewisia sacajaweana   (Sacajawea's bitterroot)  (3 images)
     Montia fontana   (water chickweed)  (4 images)
     Montia linearis   (narrowleaf montia)  (2 images)

     Morus alba   (mulberry)  (8 images)

     Abronia mellifera var. pahoveorum   (Boise sand-verbena)  (26 images) *

     Forsythia intermedia   (forsythia)  (4 images)
     Fraxinus pennsylvanica   (green ash)
     Ligustrum vulgare   (common of European privet)  (7 images)
     Syringa vulgaris   (lilac)  (3 images)

     Camissonia contorta   (contorted suncup, plains evening-primrose)  (7 images)
     Chamaenerion angustifolium   (fireweed)  (12 images)
     Circaea alpina ssp. pacifica   (enchanter's-nightshade)  (4 images)
     Clarkia pulchella   (ragged-robin, pink fairies, elkhorn clarkia)  (2 images)
     Clarkia rhomboidea   (diamond-petal clarkia or farewell-to-spring)  (6 images)
     Epilobium brachycarpum   (annual willow-herb)  (8 images)
     Epilobium campestre   (smooth spike-primrose)  (5 images)
     Epilobium ciliatum ssp. ciliatum   (common or Watson's willow-herb)
     Epilobium densiflorum   (dense spike-primrose)  (9 images)
     Epilobium lactiflorum   (white-flowered willowherb, milkflower willowherb)
     Epilobium suffruticosum   (shrubby willow-herb)  (11 images)
     Epilobium torreyi   (Torrey's, brook, or stiff spike-primrose)  (5 images)
     Eremothera boothii ssp. alyssoides   (mooncup, alyssum evening-primrose)  (7 images) *
     Gayophytum diffusum ssp. diffusum   (spreading or large-flowered groundsmoke)  (12 images)
     Gayophytum diffusum ssp. parviflorum   (smallflower groundsmoke)
     Gayophytum humile   (dwarf groundsmoke)
     Gayophytum racemosum   (racemed or Blackfoot groundsmoke)  (4 images)
     Gayophytum ramosissimum   (hairstem groundsmoke)  (2 images)
     Oenothera biennis   (common evening-primrose)  (4 images)
     Oenothera caespitosa ssp. marginata   (tufted or fragrant evening-primrose)  (9 images) *
     Oenothera curtiflora   (velvetweed, small-flowered gaura)  (2 images)
     Oenothera elata ssp. hirsutissima   (Hooker's evening-primrose)  (6 images) *
     Oenothera pallida ssp. pallida   (pale or white-stemmed evening-primrose)  (6 images)
     Oenothera villosa ssp. strigosa   (hairy evening-primrose)  (10 images) *
     Oenothera villosa ssp. villosa   (hairy evening-primrose)  (14 images)
     Taraxia subacaulis   (northern or longleaf suncup, goldeneggs diffuse evening-primrose)
     Taraxia tanacetifolia   (tansyleaf suncup or goldeneggs)  (9 images)

     Goodyera oblongifolia   (western rattlesnake-plantain)  (5 images)
     Platanthera dilatata var. leucostachys   (white or longspur bog orchid)  (9 images)
     Platanthera unalascensis   (Alaska rein orchid)  (6 images)
     Spiranthes romanzoffiana   (ladies-tresses)  (8 images)

     Aphyllon corymbosum ssp. corymbosum   (flat-topped broomrape)
     Aphyllon franciscanum   (clustered broomrape)  (8 images)
     Aphyllon purpureum   (naked broomrape)  (2 images)
     Aphyllon sp. nov.   (buckwheat broomrape)  (10 images)

     Castilleja covilleana   (Coville's or Rocky Mountain paintbrush)  (8 images)
     Castilleja miniata   (scarlet paintbrush)  (5 images)
     Castilleja minor var. exilis   (annual paintbrush)
     Castilleja rhexifolia/miniata Shafer Butte   (Shafer Butte paintbrush)
     Castilleja tenuis   (hairy owlclover)  (5 images)
     Cordylanthus capitatus   (clustered or Yakima bird's-beak)  (6 images)

     Oxalis corniculata   (creeping wood-sorrel)
     Oxalis dillenii   (Dillen's wood-sorrel)
     Oxalis stricta   (upright wood-sorrel)

     Paeonia brownii   (Brown's peony)  (7 images)

     Dicentra uniflora   (steer's-head)  (6 images)
     Eschscholzia californica   (California poppy)
     Papaver argemone   (prickly-head poppy)
     Papaver dubium   (blindeyes, longhead poppy)
     Papaver rhoeas   (corn poppy, field poppy)

     Corydalis caseana var. cusickii   (Cusick's corydalis)  (12 images)
     Fumaria officinalis   (common fumitory)

     Erythranthe microphylla   (smallleaf monkeyflower)

     Diplacus cusickioides   (Nesom's monkeyflower)  (9 images)
     Diplacus nanus   (dwarf monkeyflower)  (6 images)
     Erythranthe arvensis   (field monkeyflower)  (7 images)
     Erythranthe breweri   (Brewer's monkeyflower)  (3 images)
     Erythranthe floribunda   (many-flowered or purple-stem monkeyflower)  (1 image)
     Erythranthe guttata   (yellow or seep monkeyflower)  (6 images)
     Erythranthe lewisii   (Lewis's, red, or purple monkeyflower)  (7 images)
     Erythranthe moschata   (musk monkeyflower)  (6 images)

     Phytolacca americana var. americana   (pokeweed) *

     Pinus albicaulis   (whitebark pine)
     Pinus contorta   (lodgepole pine)
     Pinus ponderosa var. ponderosa   (ponderosa pine)  (5 images)
     Pinus sylvestris   (Scots pine)  (5 images)
     Pseudotsuga menziesii var. glauca   (Douglas-fir)  (2 images)

     Plantago arenaria   (sand plantain)
     Plantago lanceolata   (narrowleaf or English plantain)
     Plantago major   (common plantain)
     Plantago patagonica   (woolly plantain, Indian-wheat)  (7 images) *

     Bacopa rotundifolia   (water-hyssop)
     Chaenorhinum minus   (dwarf snapdragon)
     Collinsia parviflora   (blue-eyed Mary)  (8 images)
     Gratiola ebracteata   (bractless hedge-hyssop)
     Gratiola neglecta   (common or clammy hedge-hyssop)  (6 images)
     Linaria dalmatica ssp. dalmatica   (Dalmatian toadflax)
     Penstemon albertinus   (Alberta penstemon)  (5 images)
     Penstemon attenuatus var. militaris   (taperleaf or south Idaho penstemon)  (8 images)
     Penstemon cusickii   (Cusick's penstemon)  (6 images)
     Penstemon deustus var. deustus   (hotrock penstemon)  (3 images)
     Penstemon eatonii var. eatonii   (firecracker or Eaton's penstemon)  (4 images)
     Penstemon fruticosus var. fruticosus   (shrubby penstemon)  (6 images)
     Penstemon humilis var. humilis   (lowly penstemon)
     Penstemon laxus   (tufted penstemon, Idaho beardtongue, loose penstemon)
     Penstemon palmeri var. palmeri   (Palmer's penstemon)  (8 images)
     Penstemon payettensis   (Payette penstemon)  (7 images)
     Penstemon perpulcher   (Minidoka or most beautiful penstemon)  (8 images)
     Penstemon wilcoxii   (Wilcox's penstemon)  (5 images)
     Synthyris missurica ssp. missurica   (mountain kittentails)  (17 images)
     Veronica americana   (American speedwell or brooklime)  (10 images)
     Veronica anagallis-aquatica   (water speedwell)
     Veronica arguteserrata   (bilobed or twolobe speedwell)
     Veronica arvensis   (field or corn speedwell)
     Veronica catenata   (chain speedwell)
     Veronica hederifolia   (ivyleaf speedwell)
     Veronica peregrina var. xalapensis   (purslane speedwell, neckweed)  (2 images)
     Veronica persica   (Persian or birdeye speedwell)
     Veronica polita   (grey field speedwell, wayside speedwell)
     Veronica serpyllifolia var. humifusa   (bright-blue speedwell)
     Veronica serpyllifolia var. serpyllifolia   (thymeleaf speedwell)
     Veronica triphyllos   (finger speedwell)
     Veronica wormskjoldii   (American alpine speedwell)

     Achnatherum hymenoides   (Indian ricegrass)
     Achnatherum lemmonii ssp. lemmonii   (Lemmon's needlegrass)
     Achnatherum nelsonii ssp. nelsonii   (Nelson's needlegrass)
     Achnatherum occidentale ssp. pubescens   (western needlegrass)
     Achnatherum thurberianum   (Thurber's needlegrass)
     Aegilops cylindrica   (jointed goatgrass)
     Agropyron cristatum   (crested wheatgrass)
     Agropyron fragile   (Siberian wheatgrass)
     Agrostis exarata   (spike bentgrass)
     Agrostis scabra   (ticklegrass, rough bentgrass)
     Agrostis stolonifera   (creeping bentgrass)
     Alopecurus aequalis var. aequalis   (short-awn foxtail)
     Alopecurus carolinianus   (Carolina or tufted foxtail)
     Alopecurus geniculatus   (water foxtail)
     Alopecurus pratensis   (meadow foxtail)
     Andropogon gerardii   (big bluestem)
     Apera interrupta   (windgrass)
     Aristida purpurea var. longiseta   (threeawn grass)
     Avena fatua   (wild oat)
     Bouteloua dactyloides   (buffalo grass)
     Bouteloua gracilis   (blue grama)
     Bromus briziformis   (rattlesnake brome)
     Bromus ciliatus   (fringed brome)
     Bromus commutatus   (meadow brome)
     Bromus diandrus   (ripgut brome)
     Bromus hordeaceus   (soft brome or chess)
     Bromus inermis   (smooth brome)
     Bromus japonicus   (Japanese brome)
     Bromus sitchensis var. marginatus   (mountain brome)
     Bromus squarrosus   (squarrose brome)
     Bromus sterilis   (barren brome)
     Bromus tectorum   (cheatgrass, downy brome )
     Calamagrostis acutiflora   (Karl Foerster grass, feather reed grass)
     Cenchrus longispinus   (sandbur grass)
     Crypsis alopecuroides   (foxtail pricklegrass, corndog grass"")
     Crypsis schoenoides   (swamp pricklegrass)
     Crypsis vaginiflora   (modest pricklegrass)
     Dactylis glomerata   (orchard grass)
     Danthonia californica   (California oatgrass)
     Danthonia unispicata   (onespike oatgrass)
     Deschampsia danthonioides   (annual hairgrass)
     Deschampsia elongata   (slender hairgrass)
     Dichanthelium acuminatum   (Pacific or hairy panicgrass, tapered rosette grass)
     Digitaria ischaemum   (smooth crabgrass)
     Digitaria sanguinalis   (crabgrass)
     Diplachne fusca ssp. fascicularis   (bearded sprangletop)
     Distichlis spicata   (inland saltgrass)
     Echinochloa crus-galli   (barnyard grass)
     Echinochloa muricata var. microstachya   (rough barnyardgrass)
     Elymus canadensis var. canadensis   (Canada wildrye)
     Elymus elymoides ssp. elymoides   (squirreltail, bottlebrush)
     Elymus glaucus ssp. glaucus   (blue wildrye)
     Elymus repens   (quackgrass)
     Eragrostis cilianensis   (stinkgrass)
     Eragrostis hypnoides   (creeping or teal lovegrass)
     Eragrostis mexicana ssp. virescens   (Mexican lovegrass)
     Eragrostis minor   (little lovegrass)
     Eragrostis pectinacea var. pectinacea   (tufted lovegrass)
     Eremopyrum triticeum   (annual wheatgrass)
     Festuca idahoensis   (Idaho fescue)
     Festuca valesiaca   (sheep fescue)
     Glyceria elata   (tall mannagrass)
     Glyceria grandis var. grandis   (American mannagrass)
     Hesperostipa comata ssp. comata   (needle-and-thread grass)
     Holcus lanatus   (velvetgrass)
     Hordeum geniculatum   (Mediterranean barley)
     Hordeum jubatum   (foxtail barley)
     Hordeum murinum ssp. glaucum   (mouse or wall barley)
     Imperata cylindrica   (cogon grass, Japanese bloodgrass)
     Koeleria macrantha   (junegrass)
     Leersia oryzoides   (rice cutgrass)
     Leymus cinereus   (Great Basin wildrye)  (1 image)
     Lolium multiflorum   (annual or Italian ryegrass)
     Melica bulbosa   (oniongrass)
     Melica fugax   (little oniongrass)
     Muhlenbergia filiformis   ( pull-up muhly)
     Muhlenbergia mexicana   (leafy muhly, wire-stem muhly)
     Muhlenbergia richardsonis   (mat muhly)
     Panicum capillare ssp. capillare   (panicgrass, witchgrass)
     Panicum dichotomiflorum ssp. dichotomiflorum   (fall panicgrass)
     Panicum miliaceum ssp. miliaceum   (millet)
     Pennisetum alopecuroides   (foxtail or Chinese fountaingrass)
     Phalaris arundinacea   (reed canarygrass)
     Phleum pratense   (timothy)
     Phragmites australis ssp. americanus   (American reed) *
     Piptatheropsis exigua   (little ricegrass)
     Poa annua   (annual bluegrass)
     Poa bolanderi   (Bolander's bluegrass)
     Poa bulbosa   (bulbous bluegrass)
     Poa compressa   (Canada or flatstem bluegrass)
     Poa secunda ssp. secunda   (Sandberg bluegrass)
     Polypogon monspeliensis   (rabbitsfoot grass)
     Pseudelymus saxicola   (foxtail wheatgrass)
     Pseudoroegneria spicata   (bluebunch wheatgrass ) *
     Schedonorus arundinaceus   (tall fescue)
     Sclerochloa dura   (common hardgrass)
     Secale cereale   (feral or cereal rye)  (1 image)
     Setaria faberi   (giant, Chinese, or Japanese bristlegrass)
     Setaria pumila ssp. pumila   (yellow bristlegrass)
     Setaria verticillata   (bur bristlegrass)
     Setaria viridis var. viridis   (green bristlegrass)
     Sorghum bicolor   (sorghum)
     Sporobolus cryptandrus   (sand dropseed)
     Sporobolus vaginiflorus var. vaginiflorus   (poverty dropseed)
     Taeniatherum caput-medusae   (medusahead)
     Thinopyrum intermedium ssp. barbulatum   (hairy wheatgrass)
     Thinopyrum intermedium ssp. intermedium   (intermediate wheatgrass)
     Thinopyrum ponticum   (tall or rush wheatgrass)
     Tripidium ravennae   (Ravenna grass, hardy pampasgrasss)
     Trisetum spicatum   (spike trisetum, narrow false oat)
     Triticum aestivum   (wheat)
     Ventenata dubia   (ventenata, North African wiregrass) *
     Vulpia bromoides   (brome fescue)
     Vulpia microstachys   (small fescue)
     Vulpia myuros   (rattail fescue)
     Vulpia octoflora   (six-weeks fescue)

     Collomia grandiflora   (grand or largeflower collomia)  (5 images)
     Collomia linearis   (narrowleaf collomia, tiny trumpet)  (4 images)
     Collomia tenella   (diffuse collomia)  (5 images)
     Collomia tinctoria   (yellow-staining collomia)  (4 images)
     Gilia brecciarum ssp. brecciarum   (Nevada gilia)  (9 images)
     Gilia sinuata   (rosy or sinuate gilia)
     Ipomopsis aggregata ssp. aggregata   (scarlet gilia, skyrocket, timpiute)  (12 images)
     Ipomopsis congesta ssp. viridis   (ballhead gilia)  (8 images)
     Lathrocasis tenerrima   (delicate gilia, lathrocasis)  (4 images)
     Leptosiphon harknessii   (Harkness's linanthus)  (6 images)
     Leptosiphon nuttallii ssp. nuttallii   (Nuttall's linanthus)  (7 images)
     Microsteris gracilis   (slender phlox)  (5 images)
     Navarretia breweri   (Brewer's navarretia) *
     Navarretia divaricata   (mountain or divaricate navarretia)  (4 images)
     Navarretia propinqua   (needleleaf navarretia)  (6 images) *
     Phlox aculeata   (pricklyleaf phlox)  (6 images)
     Phlox austromontana ssp. austromontana   (mountain phlox)
     Phlox caespitosa   (tufted carpet phlox) *
     Phlox longifolia   (longleaf phlox)  (6 images)
     Polemonium micranthum   (annual polemonium, littlebells)  (7 images) *

     Aconogonon phytolaccifolium var. phytolaccifolium   (fleeceflower, poke or alpine knotweed)  (3 images)
     Eriogonum baileyi var. praebens   (Bailey's buckwheat)  (12 images)
     Eriogonum flavum var. piperi   (Piper's buckwheat)  (5 images)
     Eriogonum heracleoides var. heracleoides   (Wyeth's or parsnip-flowered buckwheat)  (16 images)
     Eriogonum inerme var. inerme   (unarmed buckwheat)  (2 images)
     Eriogonum microthecum var. laxiflorum   (Great Basin buckwheat, slender buckwheat)  (5 images)
     Eriogonum ovalifolium var. ovalifolium   (yellow cushion buckwheat)  (8 images)
     Eriogonum ovalifolium var. pansum   (branched cushion buckwheat)  (1 image)
     Eriogonum ovalifolium var. purpureum   (purple cushion buckwheat)  (6 images)
     Eriogonum pyrolifolium   (Shasta, alpine, or oarleaf buckwheat)  (12 images)
     Eriogonum spergulinum var. reddingianum   (spurry buckwheat)  (5 images)
     Eriogonum strictum var. proliferum   (proliferous or strict buckwheat)  (4 images)
     Eriogonum umbellatum var. ellipticum   (starry sulphur-flowered buckwheat)  (19 images)
     Eriogonum umbellatum var. stragulum   (spreading sulphur-flowered buckwheat)  (12 images)
     Eriogonum vimineum   (broom buckwheat)  (14 images)
     Fallopia convolvulus   (black bindweed, climbing buckwheat, vornbind)
     Persicaria amphibia   (water smartweed)  (6 images)
     Persicaria hydropiper   (marshpepper smartweed)  (6 images)
     Persicaria lapathifolia   (curlytop, nodding, or pale smartweed)  (5 images)
     Persicaria maculosa   (spotted smartweed, ladysthumb)  (5 images)
     Persicaria pensylvanica   (Pensylvania smartweed)  (6 images)
     Polygonum aviculare   (common or prostrate knotweed, doorweed) *
     Polygonum douglasii   (Douglas's knotweed)  (6 images)
     Polygonum majus   (wiry knotweed)  (6 images)
     Polygonum polygaloides ssp. confertiflorum   (Watson's, close-flowered, or fruitleaf knotweed)  (4 images)
     Polygonum ramosissimum   (branched knotweed)
     Polygonum sawatchense ssp. oblivium   (sublime knotweed)  (5 images)
     Reynoutria japonica   (Japanese knotweed) *
     Rumex acetosella   (sheep sorrel) *
     Rumex crispus   (curly dock, yellow dock)  (4 images) *
     Rumex obtusifolius   (broadleaf or bitter dock)  (4 images)
     Rumex patientia   (patience dock)  (12 images)
     Rumex salicifolius var. denticulatus   (toothed willow dock)  (4 images)
     Rumex salicifolius var. triangulivalvis   (triangle or willow dock)  (7 images) *
     Rumex stenophyllus   (narrowleaf dock)  (5 images)
     Rumex venosus   (sand, veiny, or winged dock)  (6 images)

     Portulaca oleracea   (purslane) *

     Potamogeton berchtoldii   (Berchtold's or dwarf pondweed)
     Potamogeton crispus   (curled pondweed)
     Potamogeton diversifolius   (waterthread pondweed)
     Potamogeton fibrillosus   (fibrous pondweed)
     Potamogeton foliosus   (leafy pondweed)
     Potamogeton illinoensis   (Illinois or shining pondweed)
     Potamogeton natans   (broadleaf pondweed)
     Potamogeton nodosus   (longleaf pondweed)
     Stuckenia pectinata   (sago or fennel-leaf pondweed)

     Dodecatheon pulchellum var. cusickii   (Cusick's shootingstar)  (8 images)
     Primula cusickiana   (Cusick's or Wilcox's primrose)  (7 images) *

     Anagallis arvensis   (scarlet pimpernel)

     Aconitum columbianum ssp. columbianum   (Columbian monkshood)  (7 images)
     Actaea rubra   (red baneberry)  (4 images)
     Aquilegia formosa var. formosa   (western or red columbine)  (7 images)
     Beckwithia andersonii var. andersonii   (Anderson's buttercup, beckwithia)
     Ceratocephala testiculata   (bur buttercup)  (5 images)
     Clematis hirsutissima var. hirsutissima   (sugarbowl, vaseflower, leatherflower, hairy or Douglas's clematis)
     Clematis ligusticifolia   (western virgin's-bower, western clematis)  (13 images)
     Clematis occidentalis var. grosseserrata   (rock, Columbia, or purple clematis)
     Delphinium andersonii   (Anderson's larkspur)  (5 images)
     Delphinium depauperatum   (slim or dwarf larkspur)  (4 images)
     Delphinium distichum   (meadow or two-spike larkspur)
     Delphinium nuttallianum   (upland larkspur)  (10 images)
     Delphinium occidentale   (western, tower, or duncecap larkspur)  (8 images)
     Halerpestes cymbalaria   (shore or alkali buttercup)
     Myosurus alopecuroides   (foxtail mousetail, vernal pool mousetail)
     Myosurus apetalus var. borealis   (bristly mousetail)
     Myosurus minimus   (common or tiny mousetail)
     Nigella damascena   (love-in-a-mist)
     Ranunculus aquatilis var. aquatilis   (white water buttercup, water crowfoot)
     Ranunculus aquatilis var. diffusus   (white water buttercup, water crowfoot)
     Ranunculus glaberrimus var. ellipticus   (elliptical buttercup)  (3 images)
     Ranunculus glaberrimus var. glaberrimus   (sagebrush buttercup)  (8 images) *
     Ranunculus macounii   (Macoun's buttercup)  (4 images)
     Ranunculus pensylvanicus   (Pennsylvania or bristly buttercup)
     Ranunculus repens   (creeping buttercup)
     Ranunculus sceleratus var. multifidus   (blister buttercup, cursed crowfoot)  (6 images)
     Ranunculus uncinatus   (little buttercup)  (4 images)
     Thalictrum fendleri   (Fendler's meadowrue)
     Thalictrum occidentale   (western meadowrue)  (8 images)

     Ceanothus pauciflorus   (Mojave ceanothus, mountain buckbrush)  (4 images)
     Ceanothus prostratus var. prostratus   (mahala mat, prostrate ceanothus)  (8 images)
     Ceanothus sanguineus   (redstem ceanothus)  (4 images)
     Ceanothus velutinus var. velutinus   (snowbrush ceanothus, sticky-laurel, mountain balm, tobacco-bush)  (4 images)
     Frangula alnus cv. columnaris   (columnar glossy buckthorn)  (4 images)
     Frangula purshiana ssp. purshiana   (cascara, chittum bark)  (7 images)
     Rhamnus alnifolia   (alderleaf buckthorn)  (4 images)

     Amelanchier alnifolia   (western serviceberry, saskatoon)  (3 images)
     Amelanchier utahensis   (Utah serviceberry)  (9 images)
     Chaenomeles japonica   (flowering quince)  (3 images)
     Cotoneaster divaricatus   (spreading cotoneaster)
     Crataegus douglasii   (black hawthorn)  (4 images)
     Crataegus monogyna var. monogyna   (oneseed, common, or English hawthorn)  (8 images)
     Crataegus phaenopyrum   (Washington thorn)  (6 images)
     Crataegus sanguinea   (redhaw hawthorn)  (3 images)
     Drymocallis convallaria   (cordilleran woodbeauty, tall cinquefoil)  (9 images)
     Drymocallis glabrata   (Idaho woodbeauty, sticky cinquefoil)  (10 images)
     Drymocallis glandulosa var. glandulosa   (common woodbeauty, sticky cinquefoil)  (14 images)
     Fallugia paradoxa   (Apache plume)
     Fragaria vesca ssp. bracteata   (woodland strawberry)
     Geum aleppicum   (yellow avens)  (13 images)
     Geum macrophyllum var. macrophyllum   (largeleaf avens)  (12 images)
     Geum macrophyllum var. perincisum   (largeleaf avens)  (3 images)
     Geum urbanum   (common or wood avens)
     Holodiscus microphyllus var. glabrescens   (oceanspray, mountainspray)  (2 images)
     Malus baccata   (Siberian crabapple)
     Malus cv.
     Malus pumila   (common apple)
     Physocarpus malvaceus   (mallowleaf ninebark)  (3 images)
     Potentilla biennis   (biennial or Greene's cinquefoil)  (8 images)
     Potentilla brunnescens   (golden-gland cinquefoil)  (6 images)
     Potentilla gracilis var. fastigiata   (Nuttall's or slender cinquefoil)  (10 images)
     Potentilla gracilis var. flabelliformis   (Idaho cinquefoil)  (6 images)
     Potentilla norvegica   (Norwegian or rough cinquefoil)  (12 images) *
     Potentilla recta   (sulphur cinquefoil)  (17 images)
     Potentilla rivalis   (brook or river cinquefoil)  (9 images)
     Potentilla supina ssp. paradoxa   (bushy cinquefoil)  (5 images)
     Poteridium occidentale   (western burnet)  (7 images)
     Poterium sanguisorba var. polygamum   (garden burnet )  (8 images)
     Prunus americana   (wild or American plum)  (8 images)
     Prunus armeniaca   (apricot)
     Prunus avium   (sweet cherry)  (7 images)
     Prunus cerasifera   (cherry plum)  (16 images) *
     Prunus cerasus   (sour or pie cherry)
     Prunus domestica   (prune or European plum)  (5 images) *
     Prunus emarginata var. emarginata   (bitter cherry)  (3 images)
     Prunus mahaleb   (Mahaleb or perfumed cherry)  (11 images) *
     Prunus persica   (peach)
     Prunus pumila var. besseyi   (western or Bessey's sand cherry)  (8 images)
     Prunus tomentosa   (Nanking cherry)  (2 images)
     Prunus virginiana 'Canada Red'   (Canada Red chokecherry)
     Prunus virginiana var. melanocarpa   (western chokecherry)  (7 images)
     Purshia stansburiana   (cliff-rose)  (7 images) *
     Purshia tridentata var. tridentata   (bitterbrush, antelope brush)  (7 images)
     Pyracantha coccinea   (pyracantha, scarlet firethorn)  (9 images)
     Pyrus calleryana   (Callery or Bradford pear)  (11 images) *
     Pyrus communis   (common pear)
     Rosa canina   (dog rose)  (10 images) *
     Rosa gymnocarpa ssp. helleri   (baldhip rose)
     Rosa harisonii   (Harison's yellow rose, Oregon Trail rose)  (5 images)
     Rosa multiflora   (multiflora rose)  (5 images)
     Rosa nutkana ssp. macdougalii   (Macdougal's, Nootka, or Spalding's rose)  (5 images)
     Rosa obtusifolia   (obtuse- or round-leaf rose )  (9 images)
     Rosa rubiginosa   (eglantine, sweetbrier rose)  (2 images) *
     Rosa woodsii ssp. ultramontana   (interior or Wood's rose)  (20 images)
     Rubus bifrons   (Himalayan blackberry)  (10 images) *
     Rubus laciniatus   (cutleaf or evergreen blackberry)  (8 images)
     Rubus leucodermis   (blackcap raspberry)  (6 images)
     Rubus nutkanus   (thimbleberry)  (8 images)
     Rubus pensilvanicus   (Pennsylvania blackberry)  (10 images)
     Sorbaria sorbifolia   (false spirea)  (2 images)
     Sorbus aucuparia   (European mountain-ash or rowan)  (7 images)
     Sorbus scopulina var. scopulina   (Rocky Mountain mountain-ash)  (8 images)
     Spiraea douglasii var. roseata   (rosy spirea)
     Spiraea lucida   (white or birchleaf spirea)  (4 images)
     Spiraea pyramidata   (pyramidal spirea)  (3 images)
     Spiraea vanhouttei   (bridalwreath, spirea)  (4 images)

     Galium aparine   (cleavers, bedstraw, stickywilly, goose-grass)  (9 images)
     Galium bifolium   (twinleaf bedstraw)  (5 images)
     Galium boreale   (northern bedstraw)
     Galium mexicanum ssp. asperulum   (rough or Mexican bedstraw)
     Galium serpenticum   (Intermountain bedstraw)  (4 images)
     Galium trifidum   (Pacific bedstraw)
     Galium triflorum   (fragrant bedstraw)  (7 images)
     Kelloggia galioides   (kelloggia)  (3 images)

     Populus alba   (white poplar)
     Populus deltoides var. monilifera   (plains cottonwood)
     Populus nigra   (Lombardy poplar)
     Populus tremuloides   (quaking aspen)
     Populus trichocarpa   (black cottonwood )  (1 image)
     Salix amygdaloides   (peachleaf willow)
     Salix exigua var. exigua   (sandbar or narrowleaf willow)  (8 images)
     Salix lasiandra var. caudata   (whiplash or shining willow)
     Salix lasiolepsis   (arroyo willow)
     Salix lutea   (yellow willow)
     Salix prolixa   (MacKenzie's willow)
     Salix scouleriana   (Scouler's willow)

     Azolla filicoides   (mosquito fern) *

     Koelreuteria paniculata   (golden rain tree)  (12 images)

     Aesculus hippocastanum   (horse-chestnut)  (6 images)

     Sarcobatus vermiculatus   (greasewood)  (9 images)

     Heuchera grossulariifolia var. tenuifolium   (gooseberry-leaf alumroot)  (9 images)
     Lithophragma glabrum   (bulbous woodlandstar or prairiestar)  (9 images)
     Lithophragma parviflorum   (smallflower woodlandstar or prairiestar)  (5 images)
     Micranthes nidifica   (foothill, peak, or swamp saxifrage)  (6 images)
     Micranthes odontoloma   (brook saxifrage)  (4 images)
     Ozomelis stauropetala   (side-flowered mitrewort)

     Limosella aquatica   (mudwort)
     Scrophularia lanceolata   (lanceleaf figwort)
     Verbascum blattaria   (moth mullein)  (4 images)
     Verbascum thapsus   (common or woolly mullein)  (8 images)

     Buddleja davidii   (butterfly-bush)  (3 images)

     Ailanthus altissima   (tree-of-heaven)  (9 images)

     Datura wrightii   (sacred thorn-apple, Indian-apple)
     Lycium barbarum   (matrimony vine, goji berry, wolfberry)
     Physalis longifolia var. longifolia   (longleaf ground-cherry) *
     Physalis longifolia var. subglabrata   (smooth ground-cherry)
     Solanum carolinense   (horse-netttle)
     Solanum dulcamara   (bittersweet, climbing nightshade)  (6 images)
     Solanum nigrum var. nigrum   (black nightshade)
     Solanum physalifolium var. nitidibaccatum   (hairy nightshade)
     Solanum rostratum   (buffalo-bur)
     Solanum triflorum   (cutleaf nightshade)

     Tamarix parviflora   (small-flowered tamarisk or salt-cedar)  (6 images)
     Tamarix ramosissima   (pink salt-cedar)  (3 images)

     Triteleia grandiflora var. grandiflora   (wild-hyacinth, Douglas's brodiaea )  (4 images) *

     Tilia cordata   (littleleaf linden)

     Typha latifolia   (common cattail) *

     Ulmus americana   (American elm)  (10 images)
     Ulmus procera   (English elm)  (9 images)
     Ulmus pumila   (Siberian elm)  (11 images)

     Parietaria pensylvanica   (pellitory)  (5 images)
     Urtica dioica ssp. gracilis   (mountain stinging nettle)  (7 images)
     Urtica dioica ssp. holosericea   (hairy stinging nettle)  (3 images) *

     Plectritis macrocera   (longhorn plectritis, wedding-cake plant)  (6 images)
     Valerianella locusta   (corn-salad, lamb's-lettuce)

     Verbena bracteata   (bracted verbena, prostrate vervain)
     Verbena hastata   (blue vervain, swamp verbena, simpler's joy)

     Viola adunca   (early blue violet, western dog violet, hookspur violet)  (4 images)
     Viola beckwithii ssp. glabrata   (Beckwith's violet, Great Basin violet)  (14 images)
     Viola nephrophylla   (northern bog vioilet)
     Viola nuttallii var. praemorsa   (upland yellow violet, canary or Nuttall's violet)  (9 images)
     Viola purpurea ssp. venosa   (goosefoot or purplish violet)  (11 images)

     Arceuthobium campylopodum   (western dwarf mistletoe)  (6 images)
     Arceuthobium douglasii   (Douglas-fir dwarf mistletoe)  (5 images)

     Parthenocissus vitacea   (Virginia creeper)  (8 images)

     Woodsia oregana   (Oregon cliff fern)  (5 images)

     Zannichellia palustris   (horned pondweed)

     Tribulus terrestris   (goat's-head, puncturevine)  (10 images)