Order and family circumscriptions generally follow APG IV.
Apiales
- Apiaceae
- Daucus carota L.—Queen Anne’s lace, wild carrot
- Osmorhiza berteroi DC.—mountain sweet cicely
- Araliaceae
- Hedera helix L.—common ivy
Aquifoliales
- Aquifoliaceae
- Ilex aquifolium L.—common holly
Asterales
- Asteraceae
- Anaphalis margaritacea (L.) Benth. & Hook.f.—western pearly everlasting
- Anthemis cotula L.—stinking chamomile, mayweed
- Bellis perennis L.—common daisy
- Cirsium arvense (L.) Scop.—field thistle, creeping thistle, Canada thistle
- Cirsium vulgare (Savi) Ten.—bull thistle, spear thistle
- Crepis capillaris (L.) Wallr.—smooth hawksbeard
- Erigeron canadensis L.—horseweed
- Hypochoeris radicata L.—flatweed, false dandelion
- Jacobaea vulgaris Gaertn.—common ragwort, tansy ragwort
- Lactuca serriola L.—prickly lettuce
- Lapsana communis L.—common nipplewort
- Leucanthemum vulgare Lam.—ox-eye daisy
- Matricaria discoidea DC.—pineappleweed
- Mycelis muralis (L.) Dumort—wall lettuce
- Pseudognaphalium luteoalbum (L.) Hilliard & B.L.Burtt—Jersey cudweed
- Sonchus asper (L.) Hill—prickly sow-thistle
- Sonchus oleraceus L.—common sowthistle
- Taraxacum officinale (L.) Weber ex F.H.Wigg.—dandelion
- Tragopogon pratensis L.—meadow salsify
Boraginales
- Boraginaceae
- Hydrophyllum tenuipes L.—Pacific waterleaf
- Myosotis discolor Pers.—changing forget-me-not
- Nemophila parviflora Dougl. ex Benth.—small-flowered nemophila
Brassicales
- Brassicaceae
- Brassica rapa L.—turnip
- Capsella bursa-pastoris (L.) Medik.—shepherd’s purse
- Cardamine hirsuta L.—hairy bittercress
- Lepidium campestre (L.) W.T.Aiton—field pepperwort
- Raphanus sativus L.—wild radish
- Sisymbrium officinale (L.) Scop.—hedge mustard
Caryophyllales
- Amaranthaceae
- Amaranthus albus L.—tumble pigweed
- Amaranthus retroflexus L.—red-root amaranth
- Chenopodium album L.—lamb’s quarters
- Caryophyllaceae
- Cerastium glomeratum Thuill.—sticky mouse-ear chickweed
- Silene latifolia Poir.—white campion
- Spergularia rubra (L.) C. Presl—red sandspurry
- Stellaria media (L.) Vill.—chickweed
- Montiaceae
- Claytonia sibirica L.—candy flower, Siberian miner’s lettuce
- Polygonaceae
- Fallopia convolvulus (L.) Á.Löve—black-bindweed
- Polygonum aviculare L.—common knotgrass
- Rumex acetosella L.—sheep sorrel
- Rumex crispus L.—curly dock
- Rumex obtusifolius L.—broad-leaved dock
Cornales
- Cornaceae
- Cornus sericea L.—red-osier dogwood
Dipsacales
- Adoxaceae
- Sambucus nigra subsp. cerulea (Raf.) Bolli—blue elderberry
Ericales
- Ericaceae
- Gaultheria shallon Pursh—salal
Fabales
- Fabaceae
- Cytisus scoparius (L.) Link—common broom
- Lathyrus latifolius L.—perennial peavine
- Lotus corniculatus L.—bird’s-foot trefoil
- Lupinus polyphyllus Lindl.—large-leaved lupine
- Trifolium dubium Sibth.—little hop clover
- Trifolium fragiferum L.—strawberry clover
- Trifolium hybridum L.—Alsike clover
- Trifolium pratense L.—red clover
- Trifolium repens L.—white clover
- Trifolium subterraneum L.—subterranean clover
- Vicia hirsuta (L.) Gray—hairy vetch
- Vicia sativa L.—common vetch
- Vicia villosa Roth—winter vetch
Fagales
- Betulaceae
- Alnus rubra Bong.—red alder
Gentianales
- Gentianaceae
- Centaurium erythraea Rafn—common centaury
- Rubiaceae
- Galium aparine L.—cleavers
Geraniales
- Geraniaceae
- Geranium dissectum L. cut-leaved crane’s-bill
- Geranium molle L.—dove’s-foot crane’s-bill
- Geranium robertianum L.—herb-Robert, stinky Bob
Lamiales
- Lamiaceae
- Lamium purpureum L.—purple dead-nettle
- Prunella vulgaris L.—common self-heal
- Stachys sp.
- Orobanchaceae
- Parentucellia viscosa (L.) Caruel—yellow glandweed
- Rhinanthus minor L.—yellow rattle
- Triphysaria pusilla (Benth.) T.I.Chuang & Heckard—dwarf owl clover
- Plantaginaceae
- Kickxia elatine (L.) Dumort.—sharpleaf cancerwort
- Plantago lanceolata L.—narrowleaf plantain
- Plantago major L.—broadleaf plantain
- Veronica persica Poir.—birdeye speedwell
- Scrophulariaceae
- Scrophularia californica Cham. & Schldl.—California figwort
Malpighiales
- Euphorbiaceae
- Euphorbia lathyris L.—caper spurge
- Hypericaceae
- Hypericum perforatum L.—St John’s wort
- Salicaceae
- Populus trichocarpa Torr. & A.Gray ex. Hook.—black cottonwood
- Violaceae
- Viola glabella Nutt.—stream violet
Malvales
- Malvaceae
- Malva neglecta Wallr.—common mallow
Myrtales
- Onagraceae
- Epilobium ciliatum Raf.—fringed willowherb
Ranunculales
- Berberidaceae
- Mahonia nervosa (Pursh) Nutt.—dwarf Oregon-grape
- Papaveraceae
- Dicentra formosa (Andrews) Walp.—Pacific bleeding heart
- Ranunculaceae
- Ranunculus acris L.—meadow buttercup
- Ranunculus parviflorus L.—smallflower buttercup
- Ranunculus repens L.—creeping buttercup
Rosales
- Rhamnaceae
- Frangula alnus Mill.—alder buckthorn
- Rosaceae
- Crataegus douglasii Lindl.—black hawthorn
- Crataegus monogyna Jacq.—common hawthorn
- Fragaria vesca L.—woodland strawberry
- Geum macrophyllum Willd.—largeleaf avens
- Holodiscus discolor (Pursh) Maxim.—ocean spray
- Oemleria cerasiformis (Torr. & Gray ex Hook. & Arn.) J.W.Landon—osoberry
- Prunus emarginata (Dougl. ex Hook.) Eaton—bitter cherry
- Rosa gymnocarpa Nutt.—baldhip rose
- Rosa nutkana C. Presl—Nootka rose
- Rubus armeniacus Focke—Himalayan blackberry, Armenian blackberry
- Rubus idaeus L.—red raspberry
- Rubus leucodermis Dougl. ex Torr. & A.Gray—whitebark raspberry
- Rubus parviflorus Nutt.—thimbleberry
- Rubus ursinus Cham. & Schldl.—Pacific blackberry
Sapindales
- Sapindaceae
- Acer circinatum Pursh—vine maple
- Acer macrophyllum Pursh—bigleaf maple
Saxifragales
- Saxifragaceae
- Tellima grandiflora (Pursh) Dougl. ex Lindl. R.Br.—fringecups
- Tolmeia menziesii (Pursh) Torr. & Gray—piggyback plant, youth on age
Solanales
- Solanaceae
- Solanum rostratum Dunal—buffalo-bur