Tim Fitzharris / Evening Primrose (Oenothera erythrosepala) and Prairie Verbena, North America
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Rolf Nussbaumer / White-lined sphinx moth (Hyles lineata), adult in flight feeding on Prairie verbena (Glandularia bipinnatifida) flower, Hill Country, Texas, USA. March
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Rolf Nussbaumer / Giant swallowtail butterfly (Papilio cresphontes), adult feeding on Prairie Verbena (Glandularia bipinnatifida), Hill Country, Texas, USA. April
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Rolf Nussbaumer / Wildflowers Verbena (purple), Huisache-Daisy (yellow) and Yucca, South Llano River State Park, Hill Country, Texas, USA
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Jack Dykinga / Dawn light over petrified sand dunes, with snowball sand verbena (Abronia fragrans) and prairie evening primrose (Oenothera albicaulis). Vermilion Cliffs National Monument, Arizona
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Rolf Nussbaumer / RF- Blister Beetle (Meloidae) adult on Prairie Verbena flower (Verbena bipinnatifida). Texas, USA. April. (This image may be licensed either as rights managed or royalty free.)
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Rolf Nussbaumer / Gulf Frittilary {Agraulis vanillae} adult on Prairie Verbena flower (Verbena bipinnatifida) Hill Country, Texas, USA
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Rolf Nussbaumer / Black Swallowtail butterfly {Papilio polyxenes} adult on Prairie Verbena (Verbena bipinnatifida) Hill Country, Texas, USA
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Tim Fitzharris / Claret Cup Cactus (Echinocereus triglochidiatus) and Verbena (Verbena sp) detail of flowers in bloom, North America
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Rolf Nussbaumer / Giant swallowtail butterfly (Papilio cresphontes) nectaring on Prairie verbena (Glandularia bipinnatifida). Hill Country, Texas, USA.
