RMWEW0ME–Snow-on-the-mountain (Euphorbia marginata), closeup of flowers, Badlands National Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWETY06–Wild Lupine in flower (Lupinus perennis), Prairies, North America, by Bruce Montagne/Dembinsky Photo Assoc
RMWANK2C–Bluestem Prickly Poppy (Argemone albiflora), blooming, Prairie, Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW40M–Yellow Sweet clover (Melilotus officinalis) & Red Clover (Trifolium pratense), Custer SP SD, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW2P0–Yellow Sweet clover (Melilotus officinalis) & Red Clover (Trifolium pratense), Custer SP SD, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW17A–Upright Prairie Coneflower (Ratibida columnifera), also called Mexican Hat, Badlands National park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo
RMWEW3DY–Yellow Sweet clover (Melilotus officinalis) & Red Clover (Trifolium pratense), Custer SP SD, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW4HH–Upright Prairie Coneflower (Ratibida columnifera), also called Mexican Hat, Wind Cave National Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo
RMWANM5D–Showy Milkweed (Asclepias speciosa), WInd Cave National Park. S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWETYG0–Common Milkweed flowers (Asclepias syriaca), Eastern North America, United States, by Bruce Montagne/Dembinsky Photo Assoc
RMWETY8G–Common Milkweed in bloom (Asclepias syriaca), Eastern North America, United States, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHHYC–Sunflowers, Helianthus, Prairies, Eastern and Midwestern United States, by Bruce Montagne/Dembinsky Photo Assoc
RMWANMHP–Hoary Verbena (Verbena stricta) in bloom, Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9N7EH–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHJ02–Sunflowers, Tallgrass Prairie, Prairie, Iowa, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW4A5–Red Clovers (Trifolium pratense), Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9N7D8–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWANM9D–Showy Milkweed (Asclepias speciosa), WInd Cave National Park. S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWANMHB–Hoary Verbena (Verbena stricta) in bloom, Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8TD–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW220–Wild Prairie Rose (Rosa arkansana), flowering, South Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHFHR–Field Bindweed blossoms (Convolvulus arvensis), Sage Creek Wilderness, Badlands National Park, S.Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8T0–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHFEJ–Sunflowers, Helianthus, Prairies, Eastern and Midwestern United States, by Bruce Montagne/Dembinsky Photo Assoc
RMP9N7DY–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWANMB3–Showy Milkweed (Asclepias speciosa), WInd Cave National Park. S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWANJDN–Bluestem Prickly Poppy (Argemone albiflora), blooming, Prairie, Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWEW2AE–Wild Prairie Rose (Rosa arkansana), flowering, South Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9N7F6–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8RR–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWANM38–Showy Milkweed (Asclepias speciosa), WInd Cave National Park. S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8RT–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8RN–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMP9G8T9–E. Tiger Swallowtail butterflies (Papilio glaucus) drinking water, Minnesota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHF81–Bluestem Prickly Poppy (Argemone albiflora), blooming, Prairie, Custer State Park, S. Dakota, USA, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHF64–Black-eyed Susans (Rudbeckia hirta), flowering, Prairies, Eastern and Midwestern United States, by Bruce Montagne/Dembinsky Photo Assoc
RMWETX71–Black-eyed Susans (Rudbeckia hirta), flowering, Prairies, Eastern and Midwestern United States, by Bruce Montagne/Dembinsky Photo Assoc
RMWAHHYX–Wild Lupine in flower (Lupinus perennis), Prairies, North America, by Bruce Montagne/Dembinsky Photo Assoc