Malheur Experiment Station

Plants by Native, Scientific Name

Native: No Information

Collomia grandiflora Common Names grand collomia, large-flowered collomia Family Phlox Flower Color White, Orange Plant Type Forb Native

Krascheninnikovia lanata Common Names winterfat, white sage Family Goosefoot Flower Color White Plant Type Shrub Native

Native: ?

Galium triflorum Common Names sweetscented bedstraw, fragrant bedstraw Family Madder Flower Color White Plant Type Herb Location Mann Creek Res. ID Native ? Weed Yes

Native: No

Acroptilon repens Common Names Russian knapweed Family Composites, Sunflower Flower Color Pink, rose Plant Type Shrub Introduced Yes Location Owyhee Junction, OR, Willow Creek Native No Weed Yes

Aegilops cylindrica Common Names jointed goatgrass Family Grass Flower Color Green-yellow Plant Type Grass Elevation 3200' Location Jenkins Rd. north of Weiser ID Native No Weed Yes

Alyssum alyssoides Common Names yellow alyssum Family Mustard Flower Color Yellow Location Lower Owyhee River, OR Native No

Amaranthus blitoides Common Names prostrate pigweed, mat amaranth Family Amaranth Native No

Amsinckia retrorsa Common Names rigid fiddleneck Family Borage Flower Color Goldenrod Location Lower Owyhee River, OR Native No Weed Yes

Anthemis cotula Common Names mayweed chamomile, stinking chamomile Family Composites, Sunflower Flower Color White Native No

Asperugo procumbens Common Names catchweed Family Borage Location Council, ID Native No

Barbarea orthocceras Common Names wintercress Family Mustard Flower Color Yellow Location Council, ID Native No

Bidens frondosa Common Names devil's beggarticks, leafy beggarticks, leafy sticktight Family Composites, Sunflower Plant Type Shrub Location Ontario, OR Native No Weed Yes

Buddleja sp. Common Names butterfly bush Family Butterfly bush Plant Type Shrub Native No Weed Yes

Capsella bursa-pastoris Common Names shepherd's purse Family Mustard Flower Color White Plant Type Herb Short Description Flat, triangular pods are all along a fine stalk. Leaves are pinnatifid. The plant forms a rosette. Location McCall, ID, Nyssa, OR, Ontario, OR Native No Weed Yes

Cardaria spp. Common Names hoary cress, whitetop Family Mustard Flower Color White Plant Type Herb Native No Weed Noxious

Centaurea diffusa Common Names diffuse knapweed Family Composites, Sunflower Flower Color Light Pink Plant Type Forb Native No Weed No

Centaurea maculosa Common Names spotted knapweed Family Sunflower Plant Type Forb Native No Weed Yes

Centaurea solstitialis Common Names yellow starthistle Family Composites, Sunflower Flower Color Yellow Plant Type Forb Native No Weed Yes

Chondrilla juncea Common Names rush skeletonweed Family Composites, Sunflower Flower Color Yellow Plant Type Forb Introduced Yes Location Council, ID, Cow Hollow, OR, Indian Valley, ID Native No Weed Yes

Chorispora tenella Common Names blue mustard, tenella mustard, purple mustard, crossflower Family Mustard Flower Color blue - purple Plant Type Forb Introduced Yes Location Ontario, OR Native No Weed Noxious

Cichorium intybus Common Names chicory Family Composites, Sunflower Flower Color Blue Plant Type Herb Location McCall, ID Native No Weed Can be

Cirsium arvense Common Names Canada thistle Family Composites, Sunflower Flower Color Purple Plant Type Herb Short Description Perennial, deep-seated creeping underground roots. Leaves: Spiny, pinnatifid Location McCall, ID Native No Weed Noxious

Cirsium vulgare Common Names bull thistle Family Composites, Sunflower Flower Color Purple Plant Type Herb Short Description Biennial. Location McCall, ID Native No Weed Noxious

Cyperus esculentus Common Names yellow nutsedge Family Sedge Flower Color Yellowish Plant Type Sedge Native No Weed Noxious

Elaeagnus angustifolia Common Names Russian Olive Family Oleaster Plant Type Tree Native No Weed Yes

Erodium cicutarium Common Names storksbill, filaree Family Geranium Flower Color Pink, purple Plant Type Herb Short Description Leaves: Pinnate-pinnatifid. Native of Europe or Asia. Location McCall, ID Native No Weed No

Holosteum umbellatum Common Names jagged chickweed Family Pink Flower Color White Location Ontario, OR Native No Weed Yes

Hordeum leporinum Common Names wild barley, mouse barley, hare barley Family Grass Plant Type Grass Introduced Yes Location Lower Owyhee River, OR Native No Weed Yes

Iris pseudacorus Common Names yellow flag Family Iris Flower Color Yellow Plant Type Forb Short Description Introduced plant, conspicuous along edges of ponds, irrigation canals. Native No Weed Can be

Iva xanthifolia Common Names marshelder Family Sunflower Plant Type Forb Native No Weed Yes

Linaria vulgaris Common Names butter and eggs, bread and butter Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall, ID Native No Weed Noxious, Yes

Lithospermum arvense Common Names corn gromwell Family Borage Flower Color White Location Mann Creek, ID Native No

Lotus corniculatus Common Names bird's-foot trefoil Family Legume or Pea Flower Color Brilliant Yellow Location Annex, OR Native No Weed No

Lythrum salicaria Common Names purple loosestrife Family Loosestrife Flower Color Purple Plant Type Herb Native No Weed Noxious

Penstemon palmeri Common Names Palmer's penstemon Family Figwort or Snapdragon Flower Color White-pale pink Plant Type Herb Native No Weed No

Poa bulbosa Common Names bulbous bluegrass Family Grass Flower Color Green Plant Type Grass Location Mann Creek, ID, Ontario, OR, Snake River Native No

Ranunculus sceleratus Common Names blister buttercup, cursed buttercup, cursed crowfoot, celeryleafed buttercup Family Buttercup Flower Color Yellow Location Mann Creek, ID Native No Weed Yes

Rorippa islandica Common Names marsh yellowcress Family Mustard Flower Color Yellow Location Council, ID Native No

Saponaria officinalis Common Names bouncingbet, soapwort Family Pink Flower Color White-pale pink Plant Type Herb Short Description European origin, escaped as a weed, toxic to livestock but seldom consumed. Native No Weed Yes

Senecio vulgaris Common Names common groundsel, old-man-in-the-Spring Family Composites, Sunflower Flower Color White, yellow Plant Type Forb Location Ontario, OR Native No Weed Yes

Taeniatherum caput-medusae Common Names medusahead rye Family Grass Flower Color Green-yellow Plant Type Grass Introduced Yes Location Jordan Valley. ID Native No Weed Yes

Tamarix parviflora Common Names salt cedar, tamarisk Family Tamarisk Flower Color White-pale pink/ Purple Plant Type Tree Native No Weed Yes

Tanacetum vulgare Common Names common tansy Family Composites, Sunflower Flower Color Yellow Plant Type Herb Native No Weed Noxious

Taraxacum officinale Common Names dandelion Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location McCall, ID Native No Weed Yes

Thlaspi arvense Common Names pennycress, field pennycress Family Mustard Flower Color White Location Council, ID Native No

Trifolium pratense Common Names red clover Family Legume or Pea Flower Color Pink Plant Type Herb Location McCall, ID Native No Weed No

Trifolium repens. Common Names white clover, ladino clover, Dutch clover Family Legume or Pea Flower Color White Location Rome, OR Native No Weed No

Verbascum thapsus Common Names common mullein Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Location McCall, ID Native No Weed Can be

Native: North America

Matricaria matriarioides Common Names pineappleweed Family Sunflower Plant Type Forb Native North America Weed Yes

Native: North America grasslands

Conyza canadensis Common Names horseweed Family Sunflower Plant Type Forb Native North America grasslands

Native: Yes

Common Names Iris Sp. Family Iris Flower Color Purple, Cream, Yellow Short Description perennial Native Yes

Common Names sego lily Family Lily Native Yes

Abies grandis Common Names grand fir Family Pine Plant Type Tree Short Description Intergrades with white fir. Leaves: Needles, singular Location McCall, ID Native Yes Weed No

Abies lasiocarpa Common Names subalpine fir Family Pine Plant Type Tree Native Yes Weed No

Acer glabrum Common Names Rocky Mountain maple Family Maple Flower Color Green-yellow Plant Type Tree Location Mann Creek, ID, McCall, ID Native Yes Weed No

Achillea millefolium Common Names yarrow Family Composites, Sunflower Flower Color White Plant Type Herb Location McCall, ID Native Yes Weed No

Achnatherum hymenoides Common Names Indian ricegrass Family Grass Plant Type Grass Short Description perennial Native Yes

Aconitum columbianum Common Names Monk's Hood Family Buttercup Flower Color Purple Plant Type Herb Short Description 1.5 to 7 feet tall. Location McCall, ID Native Yes Weed No

Adenocaulon bicolor Common Names pathfinder, trail plant Family Composites, Sunflower Flower Color Green, mixed Plant Type Forb Location McCall, ID Native Yes Weed No

Agoseris glauca Common Names short-beaked agroseris, false dandelion, pale agoseris Family Composites, Sunflower Flower Color Yellow Plant Type Herb Elevation 2400' Location Mann Creek, ID Native Yes Weed No

Allium acuinatum Common Names tapertip onion, taper-tip onion Family Lily Flower Color Purple Location Council, ID Native Yes Weed No

Allium douglasii Common Names Douglas wild onion Family Lily Flower Color Pink Native Yes Weed No

Allium madidum Common Names swamp onion Family Lily Location Council, ID Native Yes

Allium parvum Common Names dwarf onion Family Lily Flower Color Light Pink Location Council, ID, Mann Creek, ID Native Yes

Alnus incana Common Names mountain alder Family Birch Plant Type Tree Short Description A small stream-side tree. Flowers and catkins develop and flower on twigs of the previous year before the leaves come out. Location McCall, ID Native Yes Weed Yes

Alnus sinuata Common Names Sitka alder Family Birch Flower Color -catkins- Plant Type Tree Native Yes Weed No

Amelanchier alnifolia Common Names serviceberry Family Rose Flower Color White Plant Type Shrub Short Description 5 petals. Location Lookout Mountain, OR, Mann Creek, ID, McCall, ID, Twin Springs, OR Native Yes Weed No

Amorpha fruticosa Common Names indigo bush, false indigo Family Legume or Pea Flower Color Purple Plant Type Shrub - Tree Native Yes Weed Yes

Anaphalis margaritacea Common Names pearly everlasting Family Composites, Sunflower Flower Color White Plant Type Herb Location McCall, ID Native Yes Weed No

Anemone piperi Common Names Piper's anemone, windflower Family Buttercup Flower Color White Plant Type Herb Location Council, ID, McCall, ID Native Yes Weed No

Antennaria anaphaloides Common Names pearly pussytoes Family Composites, Sunflower Flower Color White, yellow Plant Type Herb Location McCall, ID Native Yes Weed No

Apocynum androsaemifolium Common Names spreading dogbane, dogbane Family Dogbane Flower Color Pink Plant Type Herb Short Description Poisonous juice. Native Yes Weed Noxious

Aquilegia formosa Common Names rocky mountain red columbine Family Buttercup Flower Color Red Plant Type Herb Native Yes Weed No

Arabis holbeollii Common Names Holboell's rockcress Family Mustard Flower Color light purple Location Mann Creek, ID Native Yes

Arenaria congesta Common Names ballhead sandwort Family Pink Flower Color White Location Council, ID Native Yes

Aristida purpurea Common Names purple threeawn grass Family Grass Flower Color Purple, Green Plant Type Grass Native Yes Weed No

Arnica cordifolia Common Names heart-leafed arnica Family Composites, Sunflower Flower Color Yellow Plant Type Herb Short Description Leaves: Heart shaped Location McCall, ID Native Yes Weed No

Artemisia cana Pursh Common Names silver sagebrush Family Sunflower Short Description perennial Native Yes

Artemisia dracunculus Common Names tarragon Family Sunflower Plant Type Shrub Native Yes

Artemisia ludoviciana Common Names wormwood, white sage brush Family Sunflower Plant Type Shrub Native Yes

Artemisia ludoviciana ssp. ludoviciana Common Names white sagebrush Family Composites, Sunflower Location Snake River Native Yes Weed No

Artemisia tridentata Common Names big sage, sagebrush, big sagebrush Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Location McCall, ID Native Yes Watershed Malheur, Owyhee, Snake, Weiser Weed No

Artesmisia rigida Common Names stiff sagebrush Family Parsley Location Council, ID Native Yes

Asclepias speciosa Common Names showy milkweed Family Milkweed Flower Color Pink, purple Plant Type Herb Location Hoover Road, Mann Creek, ID Native Yes, Yes Weed Can be

Asclepias speciosa Common Names showy milkweed Family Milkweed Flower Color Pink, purple Plant Type Herb Location Hoover Road, Mann Creek, ID Native Yes, Yes Weed Can be

Aster alpigenus var. haydenii Common Names showy aster, alpine aster, mountain aster Family Composites, Sunflower Flower Color Purple Plant Type Herb Location McCall, ID Native Yes Weed No

Astragalus curvicarpus Common Names curvepod milkvetch, sickle milkvetch Family Legume or Pea Flower Color Yellow Plant Type Herb Location Along the Snake River between Anex and Farewell Bend, OR Native Yes Weed No

Astragalus filipes Common Names threadstalk milkvetch, basalt milkvetch Family Legume or Pea Flower Color Yellow Plant Type Forb Native Yes Weed Yes

Astragalus mulfordiae Common Names Mulford's milkvetch Family Legume or Pea Flower Color Purple, white Plant Type Herb Native Yes Weed No

Atriplex canescens Common Names fourwing saltbrush Family Goosefoot Plant Type Shrub Native Yes

Atriplex confertifolia Common Names shadscale saltbush Family Goosefoot Plant Type Shrub Native Yes

Balsamorhiza hirsuta Common Names hairy balsamroot Family Composites, Sunflower Flower Color Yellow Plant Type Herb Short Description Perennial Native Yes

Balsamorhiza hookeri Common Names Hooker's balsamroot Family Composites, Sunflower Flower Color Yellow Plant Type Herb Elevation 2400', 3300' Location Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID Native Yes Weed No

Balsamorhiza sagittata Common Names arrowleaf balsamroot Family Composites, Sunflower Flower Color Yellow Plant Type Herb Elevation 2500' Location Council, ID, Mann Creek, ID, McCall, ID Native Yes Weed No

Blepharipappus scaber Common Names rough eyelashweed Family Composites, Sunflower Flower Color White Location Jordan Valley. ID Native Yes

Brodiaea douglasii Common Names brodiaea, Douglas' brodiaea, wild hyacinth Family Lily Flower Color Purple, blue Location Council, ID, Mann Creek, ID Native Yes Weed No

Calochortus eurycarpus Common Names wide-fruit mariposa lily Family Lily Flower Color White-pale pink Native Yes Weed No

Calochortus nuttallii Common Names sego lily Family Lily Flower Color White Plant Type Forb Native Yes Weed No

Calypso bulbosa Common Names calypso orchid, fairy slipper Family Orchid Flower Color Pink, purple Plant Type Forb Location McCall, ID Native Yes Weed No

Camassia quamash Common Names camas, black camas, camas lily Family Lily Flower Color Blue Location Council, ID, Mann Creek, ID, Mann Creek Res. ID, McCall, ID Native Yes Weed No

Camissonia boothii Common Names Booths evening-primrose Family Evening Primrose Plant Type Forb Native Yes

Camissonia claviformus Common Names club fruit Family Evening Primrose Flower Color Yellow Plant Type Herb Native Yes Weed No

Cassiope mertensiana Common Names white mountain heather Family Heath Flower Color White Plant Type Shrub Short Description small, white, bell-like flowers Native Yes Weed No

Castilleja cusickii Common Names Cusick's Indian paintbrush Family Figwort or Snapdragon Flower Color Yellow Plant Type Herb Native Yes Weed No

Castilleja miniata Common Names Indian Paintbrush Family Figwort or Snapdragon Flower Color Orange, faded Plant Type Herb Short Description Rare in camp. Location McCall, ID Native Yes Weed No

Ceanothus velutinus Common Names buckbrush, snowbush Family Buckthorn Flower Color White Plant Type Shrub Short Description Leaves persistent, N fixing genus. Leaves: Shiny upper side Elevation 4150' Location Jenkins Rd. north of Weiser ID, McCall, ID Native Yes Weed No

Cercocarpus ledifolius Common Names curlleaf mountain-mahogany Family Rose Flower Color Green-white Plant Type Evergreen shrub Native Yes

Chamaesyce maculata Common Names prostate spurge, milk spurge Family Spurge Plant Type Forb Native Yes Weed Yes

Chimaphila umbellata Common Names Prince's-Pine Family Heath Flower Color Pink, rose Plant Type Shrub Short Description Very short shrubby perenial. Location McCall, ID Native Yes Weed No

Chrysothamnus nauseosus Common Names gray rabbitbrush, rubber rabbitbrush Family Composites, Sunflower Flower Color Yellow Plant Type Shrub Location McCall, ID Native Yes Weed No

Chrysothamnus viscidiflorus Common Names green rabbitbrush Family Composites, Sunflower Flower Color Yellowish Plant Type Shrub Native Yes Weed Yes

Cirsium utahense Common Names Utah thistle Family Composites, Sunflower Flower Color White Location Along the Snake River between Anex and Farewell Bend, OR Native Yes

Clarkia pulchella Common Names pinkfairies, pink fairies, deer horn, ragged robin, elkhorn clarkia Family Evening Primrose Flower Color Pink, purple Plant Type Herb Elevation 2900' Location Jenkins Rd. north of Weiser ID Native Yes Weed No

Claytonia lanceolata Common Names spring beauty Family Purslane Flower Color White to pink Plant Type Herb Native Yes Weed No

Claytonia perfoliata ssp. perfoliata Common Names Miner's lettuce Family Purslane Flower Color White Plant Type Herb Location Honeycombs, OR Native Yes

Claytonia sibirica Common Names siberian miner's lettuce Family Purslane Flower Color White Location McCall, ID Native Yes

Clematis columbiana Common Names blue clematis Family Buttercup Flower Color Blue Plant Type Vine Location McCall, ID Native Yes Weed No

Clematis hirsutissima Common Names sugar bowl Family Buttercup Flower Color Dark Purple Location Council, ID Native Yes

Clematis ligusticifolia Common Names virgin's bower, western clematis Family Buttercup Flower Color White, yellow Plant Type Vine Native Yes Weed No

Cleomella macbrideana Common Names Cleomella Family Caper Flower Color Yellow Plant Type Forb Short Description The cleomella pictured here was found on very poor, bare clay soil in the Succor Creek watershed. Native Yes

Cleome lutea Common Names yellow beeplant, yellow spiderflower Family Caper Flower Color Yellow Plant Type Herb Location Lower Owyhee River, OR Native Yes Weed Can be

Cleome platycarpa Common Names golden beeplant, golden spiderflower Family Caper Flower Color Brilliant Yellow Elevation 3200' Location Jenkins Rd. north of Weiser ID Native Yes

Cleome serrulata Common Names rocky mountain beeplant Family Caper Flower Color Purple Plant Type Herb Location Malheur River Plain, west of Vale, OR Native Yes Weed Can be

Clintonia uniflora Common Names Clintonia, Queen's Cup Family Lily Flower Color Waxy white Plant Type Forb Short Description Short perennial, usually has single flowers. Location McCall, ID Native Yes Weed No

Collinsia parviflora Common Names blue-eyed Mary Family Figwort or Snapdragon Flower Color Blue and white Plant Type Herb Short Description Very small plant, flowers. Elevation 3300' Location Council, ID, McCall, ID, Midvale Hill between Mann Creek and Midvale, ID Native Yes Weed No

Collomia linearis Common Names narrow-leaf collomia, tiny trumpet Family Phlox Flower Color light purple Plant Type Forb Elevation 4150' Location Jenkins Rd. north of Weiser ID Native Yes Weed No

Comandra umbellata Common Names bastard toadflax Plant Type Forb Short Description Native Yes

Corallorhiza maculata Common Names spotted coral-root Family Orchid Flower Color Brown, red, white Short Description Saprophyte, forest floor. Leaves: No green leaves Location McCall, ID Native Yes Weed No

Corallorhiza trifida Common Names early coral-root Family Orchid Flower Color Yellowish Short Description Saprophyte, forest floor. Leaves: No green leaves Location McCall, ID Native Yes Weed No

Cornus stolonifera Common Names red-osier dogwood Family Dogwood Flower Color White Plant Type Shrub Short Description Red branched shrub. Location McCall, ID Native Yes Weed No

Crateagus douglasii Common Names black hawthorn Family Rose Flower Color Green, Red Elevation 3800' Location Council, ID, Jenkins Rd. north of Weiser ID, Mann Creek, ID Native Yes

Crepis acuminata Common Names tapertip hawksbeard, longleaf hawksbeard, long-leafed hawksbeard Family Composites, Sunflower Flower Color Yellow Plant Type Herb Location Honeycombs, OR, Mann Creek, ID, Sand Hollow, ID Native Yes

Cryptantha glomerata Common Names cryptantha Family Borage Flower Color White Plant Type Herb Native Yes Weed No

Cymopterus acaulis Common Names plains cymopterus, plains springparsley Family Parsley Flower Color Brilliant Yellow Plant Type Herb Location Lower Owyhee River, OR Native Yes

Cymopterus bipinnatus Common Names Hayden's cymopterus Family Parsley Flower Color White Elevation 2400' Location Mann Creek, ID Native Yes

Cypripedium montanum Common Names mountain lady's slipper Family Orchid Flower Color Brown and White Plant Type Forb Native Yes Weed No

Dalea ornata Common Names Blue Mountain prairie clover, Western prairie clover Family Legume or Pea Flower Color Pink, purple Plant Type Herb Native Yes Weed No

Datura innoxia Common Names sacred datura, angel's trumpet Family Potato Flower Color White Plant Type Forb Native Yes Weed Yes

Delphinium bicolor Common Names blue larkspur, little larkspur, bicolor larkspur Family Buttercup Flower Color Blue Plant Type Herb Elevation 3300' Location Crowley, OR, Mann Creek, ID, Midvale Hill between Mann Creek and Midvale, ID Native Yes Weed No

Dicentra uniflora Common Names steer's head Family Bleeding Heart Flower Color White Plant Type Herb Native Yes Weed No

Distichlis stricta Common Names alkali saltgrass Family Grass Plant Type Grass Short Description Native Yes

Dodecatheon jeffreyi Common Names Jeffrey's shooting star Family Primrose Flower Color Pink, purple Plant Type Herb Native Yes Weed No

Dodecatheon pulchellum Common Names shootingstar Family Primrose Flower Color Purple Plant Type Herb Native Yes Weed No

Downiniga elegans Common Names showy downiniga Family Harebell Flower Color Purple Plant Type Herb Native Yes Weed No

Draba verna Common Names spring Whitlow-grass, spring draba Family Mustard Flower Color White, yellow Plant Type Grass Short Description Plant 2-3 cm. Widely dispersed. Elevation 3300' Location