Philippe Clement / Scarlet / giant red paintbrush flowers {Castilleja miniata} USA Yellowstone NP

Shattil & Rozinski / Columbine flowers {Aquilegia sp} Colorado, USA

LYNN M. STONE / Eastern pasque flowers {Pulsatilla patens} growing at 8,500 ft, Montana, USA

Rolf Nussbaumer / Yellow water lillies {Nuphar lutea} in flower, Welder Wildlife Refuge, Sinton, Texas, USA.

Shattil & Rozinski / Skunk cabbage {Lysichiton americanus} flower with rain drops, Olympic NP, Washington, USA

Rolf Nussbaumer / Texas Prickly Pear Cactus {Opuntia lindheimeri} flower with water drops, Hill Country, Texas, USA

David Welling / Lupin flowers {Lupinus sp} California, USA

Rolf Nussbaumer / Texas Bluebonnet (Lupinus texensis), blooming, Gonzales County, Texas, USA, March.

David Welling / Roseroot {Sedum rosea} Alaska, USA

Rolf Nussbaumer / Paloverde {Parkinsonia texana} flowers, Rio Grande Valley, Texas, USA, March

Rolf Nussbaumer / Cowpen Daisy, Golden Crownbeard (Verbesina encelioides). Laredo, Webb County, South Texas, USA, April.

Rolf Nussbaumer / Propeller Flower {Alophia drummondii} Texas, USA,