Pungent Desert Parsley, Lomatium grayi, and early red oak leaf growth, Columbia River Gorge National Scenic Area, Washington

Close up of Hibiscus flower, Kauai, Hawaii, USA.

Tulip, Tulipa, Single yellow flower among field of red ones.

Sumac, Cutleaf Sumac, Rhus glabra 'Laciniata', in autumnal colours, Hoyt Arboretum, Portland, Oregon, USA.

Tamarack or larch in autumnal color, North Cascades National Park, Washington, USA.

Bench surrounded with blooming Blue Bonnet hydrangea, Hydrangea macrophylla.

Poppy, California poppies, Eshscholtzia californica, Antelope Valley Poppy Preserve, California, USA.

Tidy Tip, Layia platyglossa, and one Baby Bue Eyes, Nemophila menziesii, Carrizo Plain National Monument, California, USA.

Big Leaf Maple trees in autumnal colours with sunburst, Monroe, Oregon, USA.

Tidy Tips, Layia platyglossa, and Fremont's Phacelia, Pacelia fremontii, Carrizo Plain National Monument, California, USA.

Field of Hillside Daisies, Monolopia lanceolata, and blue Devil's Lettuce or Fiddleneck, Amsinckia tessellata, Carrizo Plain National Monument, California, USA.

Field of Hillside Daisies, Monolopia lanceolata, and blue Native Mustard, Guillenia lemmonii, Carrizo Plain National Monument, California, USA.