Tim Fitzharris / Evening Primrose (Oenothera erythrosepala) and Prairie Verbena, North America

Tim Fitzharris / Yellow Pond Lily (Nuphar luteum) close up of pads, North America

ZSSD / Detail of snake scales, North America

Tim Fitzharris / Claret Cup Cactus (Echinocereus triglochidiatus) detail of flowers in bloom, North America

Gerry Ellis / Woodsorrel (Oxalis sp) and Coast Redwood (Sequoia sempervirens) leaf litter, Pacific coast, North America

Jan Vermeer / Bilberry (Vaccinium myrtillus) close up of harvested berries, North America

Gerry Ellis / Field Horsetail (Equisetum arvense), Pacific coast, North America

Tim Fitzharris / Grizzly Bear Cactus (Opuntia erinacea) in bloom, North America

Konrad Wothe / White-tailed Deer (Odocoileus virginianus) fawn, spotted coat detail, North America

Gerry Ellis / Frost crystal formation on window, North America

Gerry Ellis / Single strand of icicles melting, North America

Gerry Ellis / Bilberry (Vaccinium myrtillus) group, North America