Ingo Arndt / High angle shot of Redwood tree {Metasequoia sp} Redwood NP, California, USA

Tim Fitzharris / Rhododendron (Rhododendron sp) flowers and Coast Redwood (Sequoia sempervirens) trees in fog, Redwood National Park, California

Jeff Foott / Pacific Rhododendron (Rhododendron macrophyllum) flowering in old growth Coast Redwood (Sequoia sempervirens) forest, Redwood National Park, California

Jeff Foott / Coast Redwood (Sequoia sempervirens) and Oak (Quercus sp) trees, Redwood National Park, California

Pete Oxford / Bald cypress trees (Taxodium distichum) The Orianne Indigo Snake Preserve, Telfair County, Georgia, USA

Floris van Breugel / A winter blanket of snow covers Giant Redwood trees (Sequoia sempervirens) Sequoia and King's Canyon National Park, California. December 2008.

Floris van Breugel / Trunks of Californian Redwood trees (Sequoia sempervirens) and blooming Rhododendron, Redwood National Park, Califorina, USA, June 2008.

Neil Lucas / Giant sequoia trees (Sequoiadendron giganteum) on the edge of lake, with reflections, California, USA, October 2007

Neil Lucas / Giant sequoia trees (Sequoiadendron giganteum) on edge of lake, with reflections, California, USA, October 2007

Floris van Breugel / Dogwood (Cornus nuttallii) in bloom amongst Giant Sequoia trees (Sequoiadendron giganteum) and two Mule deer (Odocoileus hemionus), Sequoia and King's Canyon National Parks, USA. June. Veolia Environn...

Jack Dykinga / Flowering Lobelia (Lobelia cardinalis) beside a pool with submerged Yellow pond lily (Nuphar polysepala) and Cypress (Taxodium sp) in El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Trunk of Giant Sequoia tree {Sequoiadendron giganteum} showing scars from ancient fires, Sequoia NP, California, USA