ALISMATACEAE
Alisma plantago-aquatica L.- Waterplantain

AMARANTHACEAE
Amaranthus albus L. - Tumbleweed, White Pigweed

APIACEAE
Heracleum lanatum Michx. – Cow Parsnip

ASTERACEAE

Anthemis cotula L. - Stinking Mayweed, Mayweed Chamomile
Arctium minus (Hill.) Bernh. - Common Burdock
Aster frondosus (Nutt.) T. & G. - Short-rayed or Alkali Aster
Chrysanthemum leucanthemum L. - Oxeye Daisy
Cirsium arvense var. horridum Wimm. & Grab. – Canada Thistle
Conyza canadensis (L.) Cronq. - Canada Fleabane

Gnapthalium palustre Nutt. - Lowland Cudweed
Lactuca serriola L. - Prickly Lettuce
Madia sativa Mol. - Coast Tarweed

Matricaria matricariodes (Less.) Porter – Pineapple Weed

Taraxacum officinale Weber – Common Dandelion

 

BETULACEAE

Alnus

Betula occidentalis Hook. – Water Birch

 

BORAGINACEAE

Amsinckia retrorsa Suksd. – Rigid Fiddleneck

Anchusa arvensis (L.) Bieb. – Small Bugloss

Lithospermum arvense L. –  Corn Gromwell

Myosotis micrantha Pall. – Blue Scorpiongrass

Myosotis scorpioides L. – Common Forget-me-not

Plagiobothrys scouleri (H. & A.) Johnst. – Scouler’s Popcorn Flower

 

BRASSICACEAE

Brassica campestris L. - Field or Common Mustard
Capsella bursa-pastoris (L.) Medic. – Shepherd’s-purse
Chorispora tenella (Pall.) DC. - Blue Mustard
Descurainia richardsonii (Sweet) Schulz - Mountain Tansymustard

Draba verna L. – Spring Whitlow-grass

Lepidium campestre (L.) R. Br. – Field cress, Pepperwort

Rorippa curvi-siliqua (Hook.) Bessey var. curvisiliqua – Western Yellowcress

Rorippa nasturtium-aquaticum (L.) Schinz. & Thell – Water-cress

Thlaspi arvense L. – Field pennycress

CAMPANULACEAE 
Downingia elegans (Dougl.) Torr - Showy Downingia

CAPRIFOLIACEAE

Sambucus

Symphoricarpos albus (L.) Blake - Snowberry

 

CARYOPHYLLACEAE
Dianthus armeria L. - Grass Pink

Holosteum umbellatum L. – Jagged Chickweed

Spergularia rubra (L.) Presl. – Red sandspurry

Stellaria media (L.) Cyrill. – Chickweed

CHENOPODIACEAE
Chenopodium album L. - Lambsquarter
Chenopodium murale L. - Sowbane, Nettle-leaved Goosefoot 

CORNACEAE

Cornus stolonifera Michx. – Red-osier Dogwood

 

CYPERACEAE
Carex lasiocarpa Ehrh. - Slender Sedge

Carex stipata Muhl. – Sawbeak Sedge
Eleocharis ovata (Roth) R. & S. - Ovoid Spike-rush

Eleocharis palustris (L.) R. & S.- Spikerush

Scirpus microcarpus Presl. - Small-fruited Bulrush

 

DIPSACACEAE

Dipsacus sylvestris Huds. - Teasel

 

EQUISETACEAE

Equisetum arvense L. – Common or Field Horsetail

 

FABACEAE
Lotus purshiana (Benth.) Clements & Clements - Spanish-Clover

Lupinus micranthus Dougl. - Field Lupine
Lupinus polyphyllus Lindl. - Big-leaf Lupine

Trifolium cyathiferum Lindl. – Cup Clover

Trifolium hybridum L. - Alsike Clover

 

FUMARIACEAE

Fumaria officinalis L. – Common fumitory

 

GROSSULARIACEAE

Ribes aureum Pursh – Golden Current

HYDROCHARITACEAE
Elodea canadensis Rich. in Michx. - Waterweed 

HYPERICACEAE
Hypericum perforatum L. - St. John's Wort

IRIDACEAE

Iris missouriensis Nutt. – Blue flag

 

JUNCACEAE

Juncus bufonius L. – Toad Rush

Juncus ensifolius Wikst. – Dagger-leaf Rush

 

LAMIACEAE

Lamium amplexicaule L. – Common Henbit
Mentha piperita L. - Mint

 

LEMNACEAE

Lemna minor L. – Water Lentil, Duckweed

 

LILIACEAE

Camassia quamash (Pursh) Greene – Common Camas

Smilacina stellata (L.) Desf. – False Solomon’s Seal

Veratrum californicum Durand – Corn Lily

MALVACEAE
Sidalcea virgata Howell - Rose Checker-mallow 

ONAGRACEAE
Epilobium palustre L. - Swamp Willow-herb
Epilobium paniculatum Nutt. - Tall annual Willow-herb

PINACEAE

Pinus ponderosa Dougl. – Ponderosa Pine

 

POACEAE
Agropyron repens (L.) Beauv. - Quackgrass
Agrostis exarata Trin. - Spike Bentgrass

Alopecurus geniculatus L. – Water Foxtail (Seeded)

Alopecurus pratensis L. – Meadow Foxtail

Arrhenatherum elatius (L.) Presl. – Tall Oatgrass (?)

Avena fatua L. – Wild Oats

Beckmannia syzigachne (Steud.) Fern – Sloughgrass (Seeded)

Bromus tectorum L. – Cheatgrass
Crypsis alopecuroides (Pill. & Mitterp.) Schrad. - Foxtail Pricklegrass

Dactylis glomerata L. – Orchardgrass

Deschampsia caespitosa (L.) Beauv. – Tufted Hairgrass
Echinochloa crusgalli (L.) Beauv. - Large Barnyard-grass

Elymus glaucus Buckl. – Blue Wildrye

Festuca idahoensis Elmer – Idaho Fescue
Glyceria grandis Wats. - Reed or American Mannagrass

Koeleria cristata Pers. – Prairie Junegrass

Phalaris arundinacea L. – Reed Canarygrass

Poa ampla (= P. juncifolia Scribn.) – Sherman’s Big Bluegrass?, Alkali Bluegrass

Poa bulbosa L. – Bulbous Bluegrass

Poa interior Rydb. ?

Pseudoroegneria spicata (Pursh) A. Love – Bluebunch Wheatgrass

Sclerochloa dura (L.) Beauv. –  Hardgrass

Triticum aestivum L. – Cultivated Wheat
Ventenata dubia (Leers) Coss. & Dur. - Ventenata

 

POLEMONIACEAE

Microsteris gracilis (Hook.) Greene – Pink Microsteris

Navarretia intertexta (Benth.) Hook. var. intertexta - Needle-leaf Navarretia
Navarretia tagetina Greene - Northern Navarretia

Polemonium micranthum Benth. – Annual Polemonium

 

POLYGONACEAE
Polygonum aviculare L. – Prostrate Knotweed
Polygonum convolvulus L. - Ivy Bindweed

 

PORTULACACEAE

Montia linearis (Dougl.) Greene – Narrowleaved Montia

Montia perfoliata (Donn) Howell – Miner’s Lettuce

 

RANUNCULACEAE

Ranunculus sceleratus L. – Celery-leaved/Blister Buttercup

Ranunculus testiculatus Crantz – Horn-seed or Spiny Buttercup

Ranunculus uncinatus D. Don

 

ROSACEAE

Crataegus douglasii Lindl. – Black Hawthorn

Rosa eglanteria L. - Sweetbrier

 

RUBIACEAE

Galium aparine L. – Cleavers, Bedstraw

 

SALICACEAE

Populus trichocarpa – Black Cottonwood

Salix amygdaloides Anderss. – Peachleaf Willow

S. lutea Nutt. – Yellow Willow

S. scouleriana Barratt – Scouler’s Willow

 

SCROPHULARIACEAE

Gratiola neglecta Torr. – Common American Hedge-hyssop
Mimulus gutattus DC. - Yellow Monkeyflower
Orthocarpus hispidus Benth - Hairy Owl-clover

Verbascum thapsus L. – Common Mullein

Veronica Americana Schwein. – American Brooklime/Speedwell

Veronica hederaefolia L. – Ivy Speedwell

Veronica peregrina L. – Purslane Speedwell

Veronica undet.

SOLANACEAE
Convolvulus arvensis L. - Field Bindweed

SPARGANIACEAE
Sparganium 

TYPHACEAE

Typha latifolia L. – Common Cat-tail