MAIN LIST Agoseris, Mill Creek Agoseris, Orange Agoseris, Pale Agrimony, Grooved Alder, Green Alder, Mountain Alfalfa Alumroot, Bridger Mountain Alumroot, Round-leaved Amaranth, Mat Amaranth, Powell's Amaranth, Redroot Amaranth, White Anemone, Alpine Anemone, Candle Anemone, Cut-leaved Anemone, Northern Anemone, Piper's Anemone, Teton Angelica, Dawson's Angelica, Rose Angelica, Small-leaved Angelica, White Apple Arnica, Foothill Arnica, Hairy Arnica, Heart-leaved Arnica, Leafy Arnica, Mountain Arnica, Narrow-leaved Arnica, Parry's Arnica, Rydberg's Arnica, Small-headed Arnica, Spear-leaved Arnica, Sticky Arnica, Streambank Arnica, Twin Arrow-grass, Marsh Arrow-grass, Seaside Arrowhead, Arum-leaved Ash, Green Ash, Mountain Asparagus, Garden Aspen, Trembling Aster, Alkali Rayless Aster, Alpine Aster, Arctic Aster, Cluster Aster, Cusick's Aster, Douglas' Aster, Eaton's Aster, Elegant Aster, Engelmann's Aster, Giant Mountain Aster, Golden Aster, Heath Aster, Hoary Aster, Lava Aster, Leafy-bracted Aster, Long-leaved Aster, Meadow Aster, Rocky Mountain Aster, Rush Aster, Showy Aster, Smooth Aster, Thick-stemmed Aster, Western Aster, Western Willow Aunt Lucy Avens, Large-leaved Avens, Purple Avens, Ross' Avens, Yellow Azalea, False Baby's Breath Bahia, Opposite-leaved Balsamroot, Arrow-leaved Balsamroot, Cut-leaved Balsamroot, Hoary Baneberry Barberry, Common Bearberry Beargrass Bedstraw, Fragrant Bedstraw, Northern Bedstraw, Piedmont Bedstraw, Small Bedstraw, Twin-leaved Bedstraw, Yellow Spring Bee-plant, Rocky Mountain Bee-plant, Yellow Beeblossom, Scarlet Beggartick, Nodding Bellflower, Arctic Bellflower, Bluebell Bellflower, Clustered Bellflower, Parry's Bellflower, Rampion Bellflower, Rough Bells, Canterbury Bergamot, Wild Bindweed, Field Bindweed, Greater Birch, Bog Birch, Paper Birch, Water Bird's Beak, Bushy Biscuit-root, Cous' Biscuit-root, Cusick's Biscuit-root, Desert Biscuit-root, Fern-leaved Biscuit-root, Large-seeded Biscuit-root, Narrow-leaved Biscuit-root, Nine-leaved Biscuit-root, Sandberg's Biscuit-root, Wyeth Bistort, Alpine Bistort, American Bitterbrush, Antelope Bittercress, Brewer's Bittercress, Few-seeded Bittercress, Pennsylvanian Bitterroot Bitterroot, Nevada Bitterroot, Pygmy Bladderpod, Alpine Bladderpod, Beautiful Bladderpod, Dense Bladderpod, Idaho Bladderpod, Klaus' Bladderwort, Greater Blazingstar, Dotted Blue-eyed-grass, Idaho Blue-eyed-grass, Mountain Blue-eyed-grass, Nevada Bluebells, Alpine Bluebells, Beautiful Bluebells, Green-leaved Bluebells, Mountain Bluebells, Oblong-leaved Bluebells, Tall Blueberry, Bog Blueberry, Dwarf Boneset, False Borage, Common Box-leaf, Oregon Boykinia, Large Brickellbush, Mojave Brickellbush, Tasselflower Bronze-bells Brookfoam, Alumroot Broomrape, Clustered Broomrape, Flat-topped Broomrape, One-flowered Brown-eyed Susan Bryony, White Buckbean, Common Buckbrush Buckthorn, Alder-leaved Buckthorn, Cascara Buckthorn, Common Buckwheat, Blue Mountain Buckwheat, Cushion Buckwheat, Hidden Buckwheat, Imperfect Buckwheat, Matted Buckwheat, Nodding Buckwheat, Parasol Buckwheat, Parsnip-flower Buckwheat, Railroad Canyon Buckwheat, Rockjasmine Buckwheat, Shasta Buckwheat, Slender Buckwheat, Sulphur Buckwheat, Yellow Buffaloberry, Canada Buffaloberry, Silver Bugbane, Carolina Bugloss, Common Bur-reed, Common Bur-reed, Small Burdock, Common Burdock, Greater Burnet, Small Burnet, Western Buttercup, Celery-leaved Buttercup, Creeping Buttercup, Graceful Buttercup, Heart-leaved Buttercup, Horn-seeded Buttercup, Little-leaved Buttercup, Macoun's Buttercup, Meadow Buttercup, Mountain Buttercup, Pennsylvania Buttercup, Pygmy Buttercup, Sagebrush Buttercup, Sharp Buttercup, Shore Buttercup, Snowy Buttercup, Spearwort Buttercup, Straight-beaked Buttercup, Surefoot Buttercup, Water-plantain Buttercup, Wood Butterwort, Common Cactus, Plains Prickly-pear Cactus, Simpson's Hedgehog Cactus, Yellow Pincushion Camas, Common Campion, Bladder Campion, Douglas' Campion, Drummond's Campion, Menzies' Campion, Moss Campion, Parry's Campion, White Caraway Carrot, Wild Cat's-eye, Basin Cat's-eye, Kelsey's Cat's-eye, Little Cat's-eye, Mountain Cat's-eye, Quill Cat's-eye, Rough-seeded Cat's-eye, Snake River Cat's-eye, Torrey's Cat's-eye, Waterton Lakes Cat's-eye, Watson's Catchfly, Balkan Catnip Cattail, Broad-leaved Chamomile, Golden Checkermallow, Oregon Cherry, Choke Cherry, Mahaleb Chickensage, Silver Chickweed, American Chickweed, Bering Chickweed, Common Chickweed, Field Chicory Chives, Wild Cinquefoil, Biennial Cinquefoil, Diverse-leaved Cinquefoil, Elegant Cinquefoil, Fan-leaved Cinquefoil, Graceful Cinquefoil, Norwegian Cinquefoil, Pennsylvania Cinquefoil, Platte River Cinquefoil, Purple Cinquefoil, Sheep Cinquefoil, Shrubby Cinquefoil, Silver Cinquefoil, Silverweed Cinquefoil, Snow Cinquefoil, Sticky Cinquefoil, Sulphur Cinquefoil, White Cinquefoil, Woolly Clammyweed, Rough-seeded Clarkia, Deerhorn Clarkia, Diamond Cleavers Clematis, Blue Clematis, Hairy Clematis, Western White Clover, Alpine Clover, Alsike Clover, Dwarf Clover, Golden Clover, Hayden's Clover, Long-stalked Clover, Parry's Clover, Rabbit-foot Clover, Red Clover, Suckling Clover, White Cocklebur, Common Coltsfoot, Arrow-leaved Columbine, Colorado Blue Columbine, European Columbine, Jones' Blue Columbine, Red Columbine, Yellow Comandra, Northern Comandra, Pale Comfrey Coneflower, Cut-leaved Coneflower, Prairie Coneflower, Western Coolwort, Hapeman's Coralroot, Pacific Coralroot, Spotted Coralroot, Spring Coralroot, Striped Coralroot, Yellow Cornflower, Garden Corydalis, Golden Corydalis, Pink Costmary Cotoneaster, Shiny Cottonrose, Field Cottonthistle, Scotch Cottonwood, Lance-leaved Cottonwood, Narrow-leaved Cottonwood, Plains Cow-parsnip Cowwheat, Narrow-leaved Cranberry-bush, European Crown-vetch, Purple Cucumber, Wild Cudweed, Macoun's Cudweed, Western Marsh Currant, American Black Currant, Golden Currant, Northern Black Currant, Sticky Currant, Wax Daisy, Basin Daisy, Lawn Daisy, Oxeye Dandelion, Common Dandelion, Harp Dandelion, Horned Dandelion, Rock Day-lily, Orange Dead-nettle, Henbit Death-camas, Meadow Death-camas, Mountain Death-camas, Panicled Deer-vetch, Birdfoot Deer-vetch, Prairie Desert-dandelion, Torrey's Desert-parsley, Henderson's Desert-parsley, Taper-tip Devil's Club Dock, Broad-leaved Dock, Curly Dock, Few-leaved Dock, Golden Dock, Veiny Dock, Western Dock, Willow Dogbane, Spreading Dogwood, Bunchberry Dogwood, Red-osier Douglasia, Rocky Mountain Draba, Bitterroot Draba, Carolina Draba, Dense-leaved Draba, Few-seeded Draba, Golden Draba, Lance-leaved Draba, Lance-pod Draba, Payson's Draba, Slender Draba, Snowbed Draba, Spring Draba, Tall Draba, Woodland Dragonhead, American Dragonhead, Thyme-leaf Dragonhead, Western False Duckmeat, Common Duckweed, Common Duckweed, Star Dustymaiden, Alpine Dustymaiden, Douglas' Dwarf Mistletoe, American Elderberry, Black Elderberry, Blue Elephant-head Enchanter's Nightshade, Small Endolepis, Suckley's Evening Primrose, Bare-stemmed Evening Primrose, Common Evening Primrose, Diffuse-flowered Evening Primrose, Few-flowered Evening Primrose, Small Evening Primrose, Tufted Evening Primrose, White Evening Primrose, Yellow Eveningstar, Bushy Eveningstar, Dwarf Eveningstar, Smooth-stemmed Eveningstar, Ten-petal Eveningstar, White-stemmed Fairybells, Rough-fruited Fairyslipper False Strawberry, Idaho False-asphodel, Sticky Falseflax, Large-pod Falseflax, Little-pod Feverfew Fiddleneck, Tarweed Figwort, Lance-leaved Fir, Douglas Fir, Grand Fir, Subalpine Fireweed Firewheel Flax, Stiff-stemmed Flax, Western Blue Fleabane, Bear River Fleabane, Big Horn Fleabane, Buff Fleabane, Cut-leaved Fleabane, Desert Yellow Fleabane, Evermann's Fleabane, Fan-leaved Fleabane, Idaho Fleabane, Long-leaved Fleabane, Northern Fleabane, One-stemmed Fleabane, Philadelphia Fleabane, Prairie Fleabane, Rydberg's Fleabane, Shaggy Fleabane, Showy Fleabane, Spear-leaved Fleabane, Spreading Fleabane, Streamside Fleabane, Subalpine Fleabane, Three-nerved Fleabane, Tufted Fleabane, Tweedy's Fleabane, Woolly Foamflower, Three-leaved Forget-me-not, Arctic Alpine Forget-me-not, Bay Forget-me-not, Common Forget-me-not, Howard's Alpine Forget-me-not, Mountain Forget-me-not, Strict Four o'clock, Heart-leaved Foxglove, Purple Frasera, White-stemmed Fringe-cup, Large Fringed-pod, Sand Fumitory, Drug Gentian, Arctic Gentian, Dane's Dwarf Gentian, Green Gentian, Macoun's Fringed Gentian, Moss Gentian, Mountain Bog Gentian, Northern Gentian, One-flowered Fringed Gentian, Pleated Gentian, Pygmy Gentian, Rocky Mountain Fringed Gentian, Star Geranium, Bicknell's Geranium, Robert's Geranium, Small Geranium, Sticky Purple Geranium, Stork's Bill Geranium, White Giant Hyssop, Cusick's Giant Hyssop, Nettle-leaved Gilia, Ballhead Gilia, Compact Gilia, Dwarf Gilia, Sand Gilia, Scarlet Gilia, Shy Gilia, Spiked Ginger, Wild Globe Flower Globemallow, Munro's Globemallow, Scarlet Goldenbanner, Prairie Goldenbanner, Slender Goldenbush, White-stemmed Goldeneye, Showy Goldenrod, Baby Goldenrod, Canada Goldenrod, Giant Goldenrod, Gray Goldenrod, Missouri Goldenrod, Mt. Albert Goldenrod, Northern Goldenrod, Stiff Goldenrod, Velvety Goldentop, Western Goldenweed, Idaho Goldenweed, Lance-leaved Goldenweed, Lyall's Goldenweed, Manysted Goldenweed, Plantain Goldenweed, Stemless Goldenweed, Thrift Mock Goldenweed, Woolly Mock Goldthread, Western Gooseberry, Black Gooseberry, Northern Gooseberry, White-stemmed Goosefoot, Aridland Goosefoot, Blite Goosefoot, Desert Goosefoot, Fremont's Goosefoot, Jerusalem Oak Goosefoot, Nettle-leaved Goosefoot, Oak-leaved Goosefoot, Pinyon Grape, Oregon Grass-of-Parnassus, Fringed Grass-of-Parnassus, Kotzebue's Grass-of-Parnassus, Northern Grass-of-Parnassus, Small-flowered Greasewood Green Purslane Greenmolly Gromwell, Corn Gromwell, Narrow-leaved Gromwell, Western Ground-cherry, Long-leaved Ground-ivy Groundsel, Arrow-leaved Groundsel, Ballhead Groundsel, Balsam Groundsel, Butterweed Groundsel, Cleft-leaved Groundsel, Common Groundsel, Elegant Groundsel, Few-leaved Groundsel, Fuscate Groundsel, Prairie Groundsel, Rock Groundsel, Rocky Groundsel, Small Black-tipped Groundsel, Split-leaved Groundsel, Streambank Groundsel, Sweetmarsh Groundsel, Tall Groundsel, Water Groundsel, Weak Groundsel, Western Groundsel, Woolly Groundsmoke, Blackfoot Groundsmoke, Spreading Grouseberry Gumweed, Curly-cup Gumweed, Howell's Hawksbeard, Dwarf Alpine Hawksbeard, Elegant Hawksbeard, Fiddle-leaved Hawksbeard, Large-flowered Hawksbeard, Limestone Hawksbeard, Long-leaved Hawksbeard, Modoc Hawksbeard, Slender Hawkweed, Hairy Hawkweed, Houndstongue Hawkweed, Meadow Hawkweed, Narrow-leaved Hawkweed, Orange Hawkweed, Slender Hawkweed, White Hawthorn, Black Hawthorn, Columbian Hawthorn, Red Hedge-nettle, Swamp Hellebore, California False Hellebore, Indian Helleborine, Giant Hemlock, Poison Hemlock, Western Hemp-nettle Henbane, Black Hesperochiron, Dwarf Heterocodon, Rare-flowered Hollyhock Hollyhock, Mountain Honeysuckle, Bracted Honeysuckle, Orange Honeysuckle, Tatarian Honeysuckle, Utah Hop, Common Hopsage, Spiny Horehound Horsebrush, Short-spined Horsebrush, Spineless Horseweed, Canadian Hounds-tongue Howellia, Water Huckleberry, Blue Huckleberry, Mountain Hulsea, Alpine Hyacinth, Wild Hymenopappus, Fine-leaved Hymenopappus, Many-headed Hymenoxys, Stemless Hymenoxys, Torrey's Hyssop Indian Hemp Iris, Pale Yellow Iris, Rocky Mountain Ivesia, Gordon's Ivesia, Tweedy's Jacob's-ladder, Showy Jacob's-ladder, Sticky Jacob's-ladder, Western Juniper, Common Juniper, Creeping Juniper, Rocky Mountain Juniper, Utah Kitten-tails, Wyoming Kittenstails, Feather-leaved Knapweed, Big-headed Knapweed, Mountain Knapweed, Russian Knapweed, Spotted Knapweed, White Knawel Knotweed, Broad-leaved Knotweed, Common Knotweed, Douglas' Knotweed, Erect Knotweed, Ivy Knotweed, Japanese Knotweed, Kellogg's Knotweed, Leathery Knotweed, Marsh-pepper Knotweed, Poke Knotweed, Yard Ladies' Tresses, Hooded Ladies' Tresses, Ute Lady's Slipper, Mountain Lady's Slipper, Sparrow's-egg Lady's Slipper, Yellow Lamb's Quarters Larch, Subalpine Larch, Western Larkspur, Low Larkspur, Slim Larkspur, Smooth Larkspur, Tall Mountain Larkspur, Two-lobed Laurel, Alpine Laurel, Bog Lettuce, Blue Lettuce, Prickly Lettuce, Tall Blue Lewisia, Three-leaved Licorice, Wild Licorice-root, Canby's Licorice-root, Fern-leaved Licorice-root, Gray's Licorice-root, Idaho Lily, Alp Lily, Columbian Lily, Corn Lily, Glacier Lily, Leopard Lily, Star Lily, Wood Linanthus, Northern Lobelia, Ontario Lobularia, Seaside Locoweed, Field Locoweed, Hares-foot Locoweed, Nodding Locoweed, Showy Locoweed, Silky Locoweed, Sticky Locoweed, Wyoming Locust, Black Loosestrife, Fringed Loosestrife, Purple Loosestrife, Tufted Lousewort, Bracted Lousewort, Coiled Lousewort, Mountain Lousewort, Oeder's Lousewort, Parry's Lousewort, Sickletop Lupine, Annual Lupine, Large-leaved Lupine, Long-spurred Lupine, Silky Lupine, Silvery Lupine, Stemless Dwarf Lupine, Velvet Lupine, Wyeth's Madwort Madwort, Desert Madwort, False Madwort, Pale Maiden Pink Mallow, Common Mallow, High Mallow, Musk Mallow, Round-leaved Maple, Boxelder Maple, Rocky Mountain Marbleseed, Soft-haired Mare's-tail, Common Marigold, Mountain Marsh Mariposa-lily, Elegant Mariposa-lily, Gunnison's Mariposa-lily, Nuttall's Mariposa-lily, Pointed-tip Mariposa-lily, Sagebrush Mariposa-lily, White Mary, Blue-eyed Matrimony Vine Mayweed, Scentless Meadowrue, Alpine Meadowrue, Fendler's Meadowrue, Few-flowered Meadowrue, Purple Meadowrue, Veiny Meadowrue, Western Medic, Black Mermaid-weed, False Microseris, Nodding Milkvetch, Railhead Milkvetch, Alpine Milkvetch, American Milkvetch, Basalt Milkvetch, Bent Milkvetch, Bent-flowered Milkvetch, Bourgeau's Milkvetch, Canada Milkvetch, Cicer Milkvetch, Drummond's Milkvetch, Elegant Milkvetch, Field Milkvetch, Flexile Milkvetch, Geyer's Milkvetch, Gray's Milkvetch, Ground-plum Milkvetch, Hangingpod Milkvetch, Indian Milkvetch, Loose-flowered Milkvetch, Lotus Milkvetch, Mat Milkvetch, Missouri Milkvetch, Oregon Milkvetch, Plains Milkvetch, Robbins' Milkvetch, Russian Milkvetch, Short's Milkvetch, Silky Milkvetch, Silver-leaved Milkvetch, Speckle-pod Milkvetch, Standing Milkvetch, Timber Milkvetch, Tufted Milkvetch, Two-grooved Milkvetch, Weedy Milkvetch, Woolly-pod Milkweed, Showy Milkweed, Swamp Milkwort, Sea Miner's Candle Miner's-lettuce Miner's-lettuce, Little-leaved Miner's-lettuce, Narrow-leaved Miner's-lettuce, Water Mint, Canadian Mint, Spear Mint, Wild Mistmaiden, Sitka Mitrewort, Brewer's Mitrewort, Five-stamened Mitrewort, Leafy Mitrewort, Naked Mitrewort, Side-flowered Mitrewort, Three-toothed Mitrewort, Williams' Mock-orange, Lewis' Monkeyflower, Brewer's Monkeyflower, Many-flowered Monkeyflower, Musky Monkeyflower, Purple Monkeyflower, Short-flowered Monkeyflower, Suksdorf's Monkeyflower, Tiling's Monkeyflower, Yellow Monkshood, Columbian Motherwort, Common Mountain Mahogany, Curly-leaved Mountain-avens, White Mountain-avens, Yellow Mountain-heath, Pink Mountain-heath, Yellow Mountain-heather, White Mountain-heather, White Arctic Mountain-trumpet, Alpine Mountain-trumpet, Large-flowered Mountain-trumpet, Narrow-leaved Mousetail, Bristly Mousetail, Tiny Mudwort, Water Mule-ears, Badlands Mule-ears, Northern Mule-ears, White-headed Mullein, Great Mullein, Moth Muskroot Mustard, African Mustard, Charlock Mustard, Field Mustard, Hare's Ear Mustard, Musk Mustard, Wormseed Nailwort, Creeping Nemophila, Basin Nettle, Stinging Nightshade, Climbing Nightshade, Cut-leaved Nightshade, Hairy Ninebark, Mallow Nipplewort, Common Oceanspray Olive, Russian Onion, Brandegee's Onion, Geyer's Onion, Nodding Onion, Short-styled Onion, Textile Orache, Garden Orache, Triangle Orchid, Blunt-leaved Orchid, Bracted Orchid, Hillside Bog Orchid, Large Round-leaved Orchid, Northern Green Bog Orchid, Round-leaved Orchid, Sierra Bog Orchid, Slender Bog Orchid, Slender-spire Orchid, White Bog Orchid, Yellow Wide-lipped Owl-clover, Thin-leaved Owl-clover, Yellow Paintbrush, Alpine Paintbrush, Beautiful Paintbrush, Coville's Paintbrush, Cusick's Paintbrush, Downy Paintbrush, Mountainside Paintbrush, Northwestern Paintbrush, Pale Paintbrush, Parrot-head Paintbrush, Scarlet Paintbrush, Slender Paintbrush, Small Paintbrush, Snow Paintbrush, Stiff Yellow Paintbrush, Wavy-leaved Paintbrush, Western Paintbrush, Wyoming Paintbrush, Yellow Parsnip, Wild Partridgefoot Pasqueflower Pasqueflower, Western Pea-shrub, Siberian Pearlwort, Arctic Pearlwort, Birdeye Pearlwort, Snow Pearly Everlasting Pellitory, Pennsylvania Pennycress, Alpine Pennycress, Field Pennyroyal, Drummond's False Penstemon, Alberta Penstemon, Blue Penstemon, Fuzzy-tongued Penstemon, Globe Penstemon, High Mountain Penstemon, Hotrock Penstemon, Larch-leaved Penstemon, Lemhi Penstemon, Lyall's Penstemon, Mat-rooted Penstemon, Mountain Penstemon, Rocky Ledge Penstemon, Rydberg's Penstemon, Sand Penstemon, Shrubby Penstemon, Slender Penstemon, Stiff-leaved Penstemon, Sulphur Penstemon, Two-leaved Penstemon, Wax-leaved Penstemon, White Penstemon, Wilcox's Penstemon, Yellow Peppergrass, Broad-leaved Peppergrass, Clasping Peppergrass, Common Peppergrass, Field Peppergrass, Many-branched Peppergrass, Virginia Phacelia, Franklin's Phacelia, Glandular Phacelia, Hoary Phacelia, Ives' Phacelia, Lyall's Phacelia, Silky Phacelia, Silver-leaved Phacelia, Thread-leaved Phacelia, Vari-leaved Phlox, Alyssum-leaved Phlox, Cushion Phlox, Kelsey's Phlox, Long-leaved Phlox, Moss Phlox, Musk Phlox, Rocky Mountain Phlox, Slender Phlox, Spreading Phlox, Tufted Phlox, White-edged Pine, Limber Pine, Lodgepole Pine, Ponderosa Pine, Western White Pine, Whitebark Pineapple Weed Pinedrops Pinesap Pink, Deptford Plainsmustard, Flax-leaved Plantain, Common Plantain, Gray Pubescent Plantain, Large-bracted Plantain, Narrow-leaved Plantain, Redwool Plantain, Tweedy's Plantain, Woolly Plum, American Poison Ivy, Western Polemonium, Annual Pond-lily, Varigated Yellow Pond-lily, Yellow Pondweed, Blunt-leaved Pondweed, Richardson's Pondweed, Sago Pondweed, Small Popcorn Flower, Scouler's Poplar, Balsam Poplar, Lombardy Poplar, White Poppy, Alpine Poppy, Corn Poppy, Opium Poverty-weed, Nuttall's Povertyweed Prairie Smoke Prairie-clover, Purple Prairie-clover, White Prickly Phlox, Granite Primrose, Alkali Primrose, Parry's Primrose, Silvery Prince's Pine Prince's-plume, Desert Prince's-plume, Green Prince's-plume, Woolly Puncture-vine Purslane, Island Pussypaws Pussytoes, Alpine Pussytoes, Dense-leaved Pussytoes, Flat-topped Pussytoes, Howell's Pussytoes, Little-leaved Pussytoes, Low Pussytoes, Pearly Pussytoes, Raceme Pussytoes, Rosy Pussytoes, Rush Pussytoes, Scented Pussytoes, Small-leaved Pussytoes, Umber Pussytoes, Woolly Rabbitbrush, Rubber Rabbitbrush, Yellow Radish, Wild Ragweed, Annual Raspberry, Dwarf Red Raspberry, Strawberry-leaved Raspberry, Wild Red Rattlesnake-plantain, Western Rattlesnakeroot, Arrow-leaved Red Cedar, Western Rhododendron, White Rock Jasmine, Northern Rock Jasmine, Slender Rock Jasmine, Sweet-flower Rock Jasmine, Western Rockcress, Desert Rockcress, Drummond's Rockcress, Hairy Rockcress, Holboell's Rockcress, Lyall's Rockcress, Mt. Sapphire Rockcress, Nuttall's Rockcress, Sickle-pod Rockcress, Spreading-pod Rockcress, Tower Rocket, Dames Rockspirea, Mat Rose, Dwarf Rose, Little Rose, Prairie Rose, Prickly Rose, Wood's Rush, Flowering Russian Thistle, Prickly Russian Thistle, Slender Sage, Alpine Sage, Common Sage, European Sage, White Sage, Woodland Sagebrush, Big Sagebrush, Birdfoot Sagebrush, Bud Sagebrush, Michaux's Sagebrush, Silver Sagebrush, Three-tipped Sagewort, Biennial Sagewort, Field Sagewort, Prairie Sagewort, Tilesius' Sainfoin Salsify, Meadow Salsify, Yellow Saltbush, Gardner's Saltbush, Shad-scale Saltbush, Spear Saltbush, Tumbling Saltbush, Two-scaled Saltlover Sand Verbena, Snowball Sandmat, Rib-seeded Sandspurry, Red Sandwort, Alpine Sandwort, Ballhead Sandwort, Blunt-leaved Sandwort, Boreal Sandwort, Hooker's Sandwort, King's Sandwort, Large-leaved Sandwort, Nuttall's Sandwort, Thread-leaved Sandwort, Thyme-leaved Sanicle, Maryland Saw-wort, American Saw-wort, Clustered Saw-wort, Weber's Saxifrage, Alaska Saxifrage, Brook Saxifrage, Diamond-leaved Saxifrage, Goldbloom Saxifrage, Merten's Saxifrage, Nodding Saxifrage, Northern Golden Saxifrage, Oregon Saxifrage, Red-stemmed Saxifrage, Spotted Saxifrage, Storm Saxifrage, Tolmie's Saxifrage, Tufted Saxifrage, Weak Saxifrage, Western Saxifrage, Whiplash Saxifrage, Yellowstone Scabiosa, Field Scurfpea, Slim-flowered Seepweed, Pursh's Seepweed, Shrubby Self-heal Serviceberry, Saskatoon Shepherd's Purse Shootingstar, Desert Shootingstar, Pretty Shootingstar, Tall Mountain Sibbaldia, Creeping Silverberry Skeletonplant, Rush Skullcap, Marsh Skunkcabbage, American Smartweed, Long-rooted Smartweed, Spotted Smartweed, Water Smelowskia, Alpine Snakeweed, Broom Snapdragon Snapdragon, Dwarf Sneezeweed, Common Snowberry, Common Snowberry, Mountain Snowberry, Western Snowlover, Tweedy's Soapweed, Small Soapwort Solomon's Seal, Feathery False Solomon's Seal, Starry False Sorrel, Mountain Sorrel, Sheep Sow-thistle, Field Sow-thistle, Moist Speedwell, Alpine Speedwell, American Speedwell, Bird-eyed Speedwell, Common Speedwell, Corn Speedwell, Cusick's Speedwell, Long-leaved Speedwell, Purslane Speedwell, Skullcap Speedwell, Spring Speedwell, Thyme-leaved Speedwell, Two-lobed Speedwell, Water Spiraea, Douglas' Spiraea, Subalpine Spiraea, White Spring-parsley, Hills Spring-parsley, Plains Spring-parsley, Smoothshore Spring-parsley, Snowline Springbeauty, Alpine Springbeauty, Heart-leaved Springbeauty, Siberian Springbeauty, Western Spruce, Engelmann's Spruce, White Spurge, Leafy Spurge, Rocky Mountain St. Johnswort, Common St. Johnswort, Scouler's St. Johnswort, Trailing Starwort, Blunt-sepaled Starwort, Boreal Starwort, Common Starwort, Fleshy Starwort, Long-leaved Starwort, Long-stalked Starwort, Northern Starwort, One-flowered Starwort, Umbellate Steer's Head Stickseed, Common Stickseed, European Stickseed, Jessica Stickseed, Manyflowered Stickseed, Western Stitchwort, Elegant Stonecrop, Goldmoss Stonecrop, Lance-leaved Stonecrop, Ledge Stonecrop, Narrow-petalled Stonecrop, Redpod Strawberry, Wild Strawberry, Wood Streptanthella, Long-beaked Sugarstick Suksdorfia, Buttercup Sumac, Skunkbush Sumac, Smooth Summer Cypress Sumpweed, Giant Sundew, English Sundew, Round-leaved Sunflower, Alpine Sunflower, Common Sunflower, Five-nerved Little Sunflower, Nuttall's Sunflower, One-flowered Little Sunflower, Prairie Sunflower, Stiff Sunflower, Woolly Sweet-clover, White Sweet-clover, Yellow Sweet-pea, Annual Sweet-pea, Cream-flowered Sweet-pea, Drypark Sweet-pea, Flat Sweet-pea, Perennial Sweet-pea, Tuberous Sweet-root, Blunt-fruited Sweet-root, Mountain Sweet-root, Western Sweet-vetch, Northern Sweet-vetch, Western Sweet-vetch, Yellow Tamarisk, Fivestamen Tansy, Common Tansy, Rock Tansy-aster, Lacy Tansy-aster, Rayless Tansy-aster, Tansey-leaved Tansymustard, Common Tansymustard, Mountain Tansymustard, Western Tarragon Tarweed, Mountain Tarweed, Opposite-leaved Tarweed, Small Teasel, Common Thelypody, Arrow Thelypody, Entire-leaved Thelypody, Northwestern Thimbleberry Thistle, Bull Thistle, Canada Thistle, Eaton's Thistle, Elk Thistle, Flodman's Thistle, Jackson Hole Thistle, Long-styled Thistle, Meadow Thistle, Nodding Thistle, Wavy-leaved Thistle, White Thorough-wax, American Thyme, Mother of Tickseed, Golden Toadflax, Common Toadflax, Dalmatian Touch-me-not, Pale-yellow Touch-me-not, Spurless Townsendia, Hoary Townsendia, Hooker's Townsendia, Parry's Trailplant, American Trapper's Tea Tumble-mustard, Small Tumble-mustard, Tall Twayblade, Broad-lipped Twayblade, Heart-leaved Twayblade, Northern Twayblade, Western Twinflower Twinpod, Common Twinpod, Geyer's Twisted-stalk, Clasping-leaved Valerian, Edible Valerian, Marsh Valerian, Sitka Valerian, Subalpine Valerian, Western Velvetweed Vervain, Bracted Vervain, Hoary Vervain, Swamp Vetch, American Vetch, Bird Vetch, Winter Viburnum, Mooseberry Violet, Bog Violet, Canada Violet, Canary Violet, Early Blue Violet, Field Violet, Goosefoot Violet, Marsh Violet, Pioneer Violet, Round-leaved Violet, Small White Violet, Sweet Violet, Valley Violet, Yellow Montane Viper's Bugloss, Common Wakerobin, Western Wallflower, Small Wallflower, Western Wallrocket, Annual Water Plantain, Broad-leaved Water-buttercup, Coiled Water-buttercup, Floating Water-buttercup, White Water-buttercup, Yellow Water-hemlock, Douglas' Water-hemlock, Spotted Water-horehound, American Water-horehound, Northern Water-horehound, Western Water-milfoil, Spiked Water-milfoil, Whorled Water-parsnip, Hemlock Water-starwort, Northern Water-starwort, Two-headed Water-starwort, Vernal Watercress, Common Waterleaf, Ballhead Waterlily, American White Waterlily, Pygmy Watershield Waterweed, Canadian Waterwort, Southwestern Whitetop, Hairy Whitetop, Lens-pod Whitetop, Pepperweed Wild-parsley, Leafy Willow, Arctic Willow, Barclay's Willow, Bebb's Willow, Drummond's Willow, Farr's Willow, Geyer's Willow, Gray-leaved Willow, Laurel Willow, Least Willow, Netted Willow, Pussy Willow, Rock Willow, Sandbar Willow, Scouler's Willow, Shining Willow, Undergreen Willow, Wolf's Willow, Yellow Willowherb, Alpine Willowherb, Dwarf Willowherb, Hornemann's Willowherb, Marsh Willowherb, Narrow-leaved Willowherb, Purple-Leaved Willowherb, Shrub Willowherb, Small Willowherb, Smooth Willowherb, Tall Annual Wintercress, American Wintercress, Bitter Winterfat Wintergreen, Alpine Wintergreen, Green-flowered Wintergreen, One-flowered Wintergreen, One-sided Wintergreen, Pink Wintergreen, Snowline Wintergreen, White Wintergreen, White-veined Wirelettuce, Desert Wirelettuce, Narrow-leaved Wirelettuce, Thorny Woad, Dyer's Woodbine Woodland Star, Small-flowered Woodland Star, Smooth Woodsorrel, Creeping Woodsorrel, Slender Yellow Woody-aster, Smooth Woollyheads, Short Yampah, Gairdner's Yarrow Yarrow, Fern-leaved Yarrow, Noble Yellowbells Yellowcress, Blunt-leaved Yellowcress, Curve-pod Yellowcress, Marsh Yellowrattle, Little Yew, Pacific Zizia, Meadow GRASS-LIKE PLANTS Barley, Common Barley, Foxtail Barley, Meadow Barnyard-grass, Rough Bentgrass, Alpine Bentgrass, Creeping Bentgrass, Dense Bentgrass, Rough Bentgrass, Spike Bentgrass, Thurber's Bluegrass, Alpine Bluegrass, Annual Bluegrass, Arctic Bluegrass, Bulbous Bluegrass, Canada Bluegrass, Cusick's Bluegrass, Fowl Bluegrass, Inland Bluegrass, Kentucky Bluegrass, Marsh Bluegrass, Nodding Bluegrass, Northern Bluegrass, Rough Bluegrass, Sandberg's Bluegrass, Wheeler's Bristlegrass, Green Brome, California Brome, Cheatgrass Brome, Columbia Brome, Fringed Brome, Japanese Brome, Rattlesnake Brome, Smooth Brome, Soft Bulrush, Hardstemmed Bulrush, Panicled Bulrush, Softstemmed Bulrush, Three-square Canarygrass, Reed Cordgrass, Alkali Cordgrass, Prairie Cottongrass, Chamisso's Cottongrass, Many-spiked Cottonsedge, Thin-leaved Fescue, Alpine Fescue, Idaho Fescue, Meadow Fescue, Rough Fescue, Sixweeks Fescue, Spike Fescue, Western Flatsedge, Bearded Foxtail, Meadow Foxtail, Water Grama, Blue Hairgrass, Mountain Hairgrass, Slender Hairgrass, Tufted Icegrass Junegrass, Prairie Mannagrass, American Mannagrass, Fowl Mannagrass, Northern Mannagrass, Tall Millet, Broomcorn Millet, Pearl Muhly, Mat Muhly, Spiked Muttongrass Needlegrass, Columbian Needlegrass, Long-haired Oatgrass, California Oatgrass, Downy Oatgrass, One-spiked Oatgrass, Poverty Oatgrass, Timber Oats, Wild Oniongrass, Purple Orchard-grass Pinegrass Quackgrass Rabbitsfoot Grass, Annual Reed, Common Reedgrass, Bluejoint Reedgrass, Plains Ricegrass, Indian Ricegrass, Rough-leaved Rush, Baltic Rush, Chestnut Rush, Colorado Rush, Drummond's Rush, Jointed Rush, Knotted Rush, Long-styled Rush, Mertens' Rush, Northern Green Rush, Parry's Rush, Poverty Rush, Sword-leaved Rush, Torrey's Rye, Cereal Ryegrass, Italian Ryegrass, Perennial Sacaton, Alkali Saltgrass Sandreed, Prairie Sedge, Analogue Sedge, Beaked Sedge, Black Sedge, Black Alpine Sedge, Black-scaled Sedge, Blackandwhite Sedge, Blackroot Sedge, Boreal Bog Sedge, Bottlebrush Sedge, Brewer's Sedge, Bristly-stalked Sedge, Buxbaum's Sedge, Capitate Sedge, Chamisso Sedge, Columbian Sedge, Douglas' Sedge, Dry-spiked Sedge, Elk Sedge, Golden Sedge, Hairlike Sedge, Hood's Sedge, Inflated Sedge, Inland Sedge, Lakeshore Sedge, Little Green Sedge, Mertens' Sedge, Mountain Sedge, Nebraska Sedge, Needle-leaved Sedge, Norway Sedge, Payson's Sedge, Raynolds' Sedge, Retrorse Sedge, Ross' Sedge, Saw-beaked Sedge, Sheep Sedge, Short-beaked Sedge, Showy Sedge, Silvery Sedge, Single-spiked Sedge, Slender-beaked Sedge, Small-winged Sedge, Soft-leaved Sedge, Spiked Sedge, Sprengel's Sedge, Thread-leaved Sedge, Three-way Sedge, Water Sedge, White-scaled Sedge, Woodrush Sedge, Woolly Sedge, Woolly-fruited Sedge, Yellow Slough-grass, American Spikerush, Common Spikerush, Needle Squirreltail Stinkgrass Sweetgrass, Common Timothy, Alpine Timothy, Field Trisetum, Nodding Trisetum, Tall Wheat, Common Wheatgrass, Bluebunch Wheatgrass, Crested Wheatgrass, Pyrennees Wheatgrass, Slender Whorlgrass, Water Wildrice, Northern Wildrye, Blue Wildrye, Canada Wildrye, Giant Witchgrass Woodreed, Drooping Woodrush, Field Woodrush, Small-flowered Woodrush, Smooth Woodrush, Spiked SPORE PLANTS Adder's-tongue, Northern Beard Lichen, Lapland Bladderfern, Brittle Bog-moss, Blandow's Bog-moss, Girgensohn's Bog-moss, Ribbed Bog-moss, Rusty Bone Lichen, Dog Bone Lichen, Forking Bone Lichen, Hooded Bone Lichen, Lattice Brackenfern, Western Bran Lichen, Ambiguous Bran Lichen, Gray Bristle-moss, Hooded Bristle-moss, Smooth Bristle-moss, Wood Brown Lichen, Abraded Brown Lichen, Elegant Brown Lichen, Eyed Bryum Moss, Dry Calcareous Bryum Moss, Marsh Cliff fern, Mountain Cliff fern, Oregon Cliff-brake, Brewer's Club Lichen, Ribbed Clubmoss, Running Clubmoss, Stiff Crisp-moss, Frizzled Cup Lichen, Crowned Cup Lichen, Finger Cup Lichen, Forked Cup Lichen, Laddered Cup Lichen, Orange-foot Cup Lichen, Powdered Cup Lichen, Powdered Trumpet Cup Lichen, Slotted Cup Lichen, Sordid Cup Lichen, Step-ladder Cup Lichen, Sulphur Disc Lichen, Elegant Dry-rock Moss, Grimmia Dry-rock Moss, Montane Feather-moss, Bristled Feather-moss, Elegant Feather-moss, Nelson's Feather-moss, Red-stemmed Feather-moss, Smooth-stalk Feather-moss, Splendid Fern, Rattlesnake Fork-moss, Fragile Forklet-moss, Silky Four-tooth Moss, Pellucid Fringewort, Tree Germanderwort, Bog Grapefern, Leathery Ground-cedar Hair Lichen, Witch's Haircap-moss, Alpine Haircap-moss, Bristly Haircap-moss, Juniper Hook-moss, Sickle-leaved Horsehair Lichen, Speckled Horsehair, Abbreviated Horsetail, Field Horsetail, Meadow Horsetail, Scouringrush Horsetail, Smooth Horsetail, Water Horsetail, Woodland Ladyfern, Alpine Ladyfern, Common Lichen, Ahtiana Lichen, Chocolate Chip Lichen, Cinder Lichen, Crater Lichen, Disk Lichen, Eggyolk Lichen, Epilithic Lichen, Fishscale Lichen, Gold Cobblestone Lichen, Iceland Lichen, Kidney Lichen, Lung Lichen, Peppermint Drop Lichen, Powder-horn Lichen, Ragged Lichen, Reindeer Lichen, Silverskin Lichen, Upsala Crabseye Lichen, Vagabond Lichen, Whiteworm Lichen, Wreath Lipfern, Slender Liverwort, Greater Scented Liverwort, Lung Liverwort, Many-clustered Liverwort, Mud Liverwort, Narrow Mushroom-headed Liverwort, Scaly Liverwort, Streamside Liverwort, Vari-leaved Maidenhair, Northern Map Lichen, Single-spored Map Lichen, World Moonwort, Common Moonwort, Northern Moonwort, Peculiar Moonwort, Small Moss, Fountain Apple Moss, Goosenecked Moss, Pipecleaner Notchwort, Jagged Notchwort, Tumid Oakfern, Western Orange Lichen, Elegant Orange Lichen, Pincushion Orange Lichen, Powdered Orange Lichen, Sugared Pellia, Overleaf Pelt Lichen, Dog Pelt Lichen, Fan Pelt Lichen, Felt Pelt Lichen, Freckled Pelt Lichen, Membraneous Pelt Lichen, Pale-bellied Pelt Lichen, Temporary Pelt Lichen, Veinless Plait-moss, Revolute Polypody, Western Pouchwort, Mueller's Powdered Ruffle-lichen Pseudoleskea Moss, Pale Rim Lichen, Stonewall Rim Lichen, Varying Rim Lichen, White Rock-brake, American Rock-brake, Fragile Rockbright, Black-eyed Rockbright, Pink-eyed Rockfrog, Colorado Rockfrog, Questionable Rockfrog, Salted Rockfrog, Variable Rocktripe, Blistered Rocktripe, Emery Rocktripe, Frosted Rocktripe, Netted Rocktripe, Peppered Rocktripe, Punctured Rosette Lichen, Gray-eyed Rosette Lichen, Hooded Rosette Lichen, Powdered Ruffle-lichen, Brown-eyed Ruffle-lichen, Yellow Scale Lichen, Himalaya Scalewort, Even Scouringrush, Dwarf Scouringrush, Variegated Screw-moss, Hairy Shield Lichen, Powdered Shield Lichen, Salted Shield Lichen, Tumbleweed Snow Lichen, Crinkled Snow Lichen, Tomentose Spikemoss, Lesser Spikemoss, Wallace's Spikemoss, Watson's Sunshine, Limestone Swordfern, Kruckeberg's Swordfern, Northern Swordfern, Western Thatch Lichen, Studded Thread-moss, Nodding Thread-moss, Opal Thyme-moss, Dotted Thyme-moss, Marsh Thyme-moss, Woodsy Tile Lichen Tile Lichen, Brown Timmia Moss, Sheathed Toy Soldiers V-Fingers Vinyl Lichen, Peppered Waterclover, Hairy Wolf Lichen, Brown-eyed Wolf Lichen, Common Woodfern, Crested Wrinkle Lichen, Broad