Philippe Clement / Scarlet / giant red paintbrush flowers {Castilleja miniata} USA Yellowstone NP
01151823
Shattil & Rozinski / Columbine flowers {Aquilegia sp} Colorado, USA
01149716
LYNN M. STONE / Eastern pasque flowers {Pulsatilla patens} growing at 8,500 ft, Montana, USA
01144524
Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in flower, Welder Wildlife Refuge, Sinton, Texas, USA.
01187919
Shattil & Rozinski / Skunk cabbage {Lysichiton americanus} flower with rain drops, Olympic NP, Washington, USA
01174431
Rolf Nussbaumer / Texas Prickly Pear Cactus {Opuntia lindheimeri} flower with water drops, Hill Country, Texas, USA
01059826
David Welling / Lupin flowers {Lupinus sp} California, USA
01350468
Rolf Nussbaumer / Texas Bluebonnet (Lupinus texensis), blooming, Gonzales County, Texas, USA, March.
01180083
David Welling / Roseroot {Sedum rosea} Alaska, USA
01187416
Rolf Nussbaumer / Paloverde {Parkinsonia texana} flowers, Rio Grande Valley, Texas, USA, March
01350331
Rolf Nussbaumer / Cowpen Daisy, Golden Crownbeard (Verbesina encelioides). Laredo, Webb County, South Texas, USA, April.
01174112
Rolf Nussbaumer / Propeller Flower {Alophia drummondii} Texas, USA,
01187461
Rolf Nussbaumer / Texas Bluebonnet (Lupinus texensis) and Drummond's Phlox (Phlox drummondii) flowering in meadow, Gonzales County, Texas, USA, March 2007
01217633
Tim Laman / Desert sand verbena (Abronia villosa) and other wildflowers, Coyote Canyon, Anza-Borrego Desert State Park, California. Mar 2004.
01261924
John Cancalosi / Chiricahua / Ramsay Canyon Leopard Frog (Rana chiricahuensis / subaquavocalis) sitting on lily pad under waterlily flower, Arizona, USA, IUCN vulnerable species
01357763
Kirkendall-Spring / Lyall's mariposa lily (Calochortus lyallii) flower, Mount Hood Wilderness area of the Mount Hood National Forest, Oregon, USA
01362261
LYNN M. STONE / Blue dasher dragonfly (Pachydiplax longipennis) resting near Fragrant white water lily (Nymphaea odorata) flower, Deep River, Connecticut, USA, July
01181720
Tom Vezo / Day lily flower {Hemerocallis fulva} New York, USA
01192739
David Welling / Monkey flower {Mimulus guttatus} California, USA
01168778
Jose Schell / Fairy Slipper Orchid (Calypso Bulbosa) white form, Gulf of St. Lawrence, Canada
01214028
Jerry Monkman / Bunchberry {Cornus canadensis} flowering in woodland, Brunswick, Maine, USA
01211312
Shattil & Rozinski / Wood lily {Lilium philadelphicum} flower, USA
01262082
Philippe Clement / Heartleaved Foamflower / Allegheny Foam flower (Tiarella cordifolia), native to North America
01270747
Rob Tilley / Columbia Lily (Lilium columbianum) Olympic NP, Washington, USA,
01322169
LYNN M. STONE / Morning Glory (Ipomoea sp) in flower, Connecticut, USA
01397180
Eric Baccega / Woolly lousewort (Pedicularis lanata) flowering on tundra, Ellesmere Island, Nunavut, Canada, June 2012.
01180252
Jack Dykinga / Arizona Barrel Cactus (Ferocactus wislizenii) flower in full bloom amid the cactus spines, Saguaro NP, Arizona, USA
01167634
Jack Dykinga / Desert Lilly (Hesperocallis undulata) and Sand Verbena (Abronia villosa) Mohawk Dunes, Barry M. Goldwater Range, Arizona
01174430
Rolf Nussbaumer / Two-leaved Senna {Senna roemeriana} flower with dew drops, Hill Country, Texas, USA
01164142
Jack Dykinga / Mexican poppies {Eschscholtzia californica} flowering near skeleton of Chain cholla cactus {Opuntia fulgida} Ajo Mtns, Organ Pipe Cactus National Monument, Arizona, USA
01129871
Doug Wechsler / Swamp pink {Helonias bullata} New Jersey, USA.
01153530
Shattil & Rozinski / Lupin {Lupinus sp} Texas, USA
01019525
David Welling / Redmaids (Calandrinia ciliata)n California, USA.
01209338
Rolf Nussbaumer / Blue Phacelia (Phacelia distans) blooming, Joshua Tree National Park, California, USA, March
01240502
Shattil & Rozinski / Colorado blue columbine (Aquilegia caerulea) flowers, Yankee Boy Basin, San Juan Mountains, Colorado, USA
01273152
Steven Kazlowski / Bear grass (Xerophyllum tenax) flowering in early summer, Gunsight Lake, Glacier National Park, Montana, USA.
01354469
LYNN M. STONE / Wild Hyacinth (Camassia scilloides), Lily Family, Kane County, Illinois, USA
01213891
Jerry Monkman / Red Trillium {Trillium erectum} flower, Mt. Passaconoway, New Hampshire, USA
01254131
Oriol Alamany / Alaska poppies (Papaver alaskanum) in flower, Saint Paul Island, Pribilof Islands, Alaska, USA
01241863
Steven Kazlowski / Wildflower, Copper Ridge, North Cascades Mountains, Washington, Summer
01295491
Shattil & Rozinski / Larkspur (Consolida ajacis) close up of flower, Yellowstone National Park, Wyoming, USA, North America
01322275
LYNN M. STONE / Michigan Lily (Lilium michiganense) growing in moist prairie, Illinois, USA
01362275
LYNN M. STONE / Turk's cap lily (Lilium superbum) flower, Rhode Island, USA, July
01350428
Rolf Nussbaumer / Rose Prickly Poppy (Argemone sanguinea), blossoms in wildflower field. Laredo, Webb County, South Texas, USA, April.
01294324
Rolf Nussbaumer / RF- Silverleaf nightshade (Solanum elaeagnifolium) with stamen close up. Coastal Bend, Texas, USA. (This image may be licensed either as rights managed or royalty free.)
01350482
Rolf Nussbaumer / Texas Prickly Pear Cactus (Opuntia engelmanni), plant blooming. Laredo, Webb County, South Texas, USA, April.
01388026
Rolf Nussbaumer / Indian blanket / Fire wheel (Gaillardia pulchella) close up of flower head, Dinero, Lake Corpus Christi, South Texas, USA.
01397181
Eric Baccega / Woolly lousewort (Pedicularis lanata) flowering on tundra, Ellesmere Island, Nunavut, Canada, June 2012.
01144523
Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in bloom on lake, Welder Wildlife Refuge, Sinton, Texas, USA.
01471624
Jack Dykinga / Saguaro Cactus (Carnegiea gigantea) with flower cluster, Saguaro National Park, Tucson Mountain Unit, Arizona, USA, August.
01125586
Rolf Nussbaumer / RF- Erect Dayflower (Commelina erecta). Palmetto State Park, Texas, USA. (This image may be licensed either as rights managed or royalty free.)
01125101
Rolf Nussbaumer / Herbertia flower {Herbetia lahue} Texas, USA.
01314434
Charlie Summers / Wild lupin (Lupinus sp) flowers, backlit, USA
01312144
Floris van Breugel / Lupins (Lupinus sp) flowering on a hillside in Spring, California, USA, April 2010
01322233
LYNN M. STONE / Wild Iris (Iris setosa) McNeil River Game Sanctuary, Alaska, USA, July
01322234
LYNN M. STONE / Wild Geranium (Geranium erianthum) McNeil River Game Sanctuary, Alaska, USA, July