Jack Dykinga / Bark patterns of Aspen tree (Populus tremula) in front of a Ponderosa pine (Pinus ponderosa) trunk, Kaibab National Forest, Arizona, USA

Jack Dykinga / Lone Ponderosa pine tree {Pinus ponderosa} in front of canyon walls showing drip mark fractures, Long Canyon, Grand Staircase-Escalante National Monumnet, Utah, USA

Jack Dykinga / Silhouette of lone Ponderosa pine on a sandstone spire at dusk, with crescent moon, Zion National Park, Utah, USA

Jack Dykinga / Silhouette of Mexican Pinyon pine tree on the Chisos Mountain ridge in fog, Big Bend National Park, Texas, USA

Jack Dykinga / Pinyon pine (Pinus edulis) and Utah juniper (Juniperus osteosperma) on kaibab limestone spires in morning fog, North Rim, North Kalbab Trail, Grand Canyon National Park, Arizona, USA

Jack Dykinga / Twisted roots and trunk of Bristlecone pine {Pinus aristata var. longaeva} White Mountains, California, USA

Jack Dykinga / Silhouette at sunrise of contorted wind blown Mexican pinyon pine tree {Pinus cembroides}, Sierra del Carmen in the background, Coahuila, Mexico

Jack Dykinga / Pine tree draped with moss, and a bromeliad growing on it, in the cloud forest of El Cielo Biosphere Reserve on a misty morning. Tamaulipas, Mexico

Jack Dykinga / North Kaibab Trail with Pinyon Pine (Pinus edulis) and Utah Juniper (Juniperus osteosperma), North Rim, Grand Canyon NP, Arizona, USA

Jack Dykinga / Snow covered Pinyon Pines (Pinus edulus) with pine cones, overlooking the West Rim, Grandview Point, Grand Canyon NP, Arizona, USA

Jack Dykinga / Snow covered Ponderosa Pine (Pinus ponderosa) branches with North Rim in the Background, Grand Canyon NP, Arizona, USA

Jack Dykinga / Ponderosa Pine (Pinus ponderosa) pine cone and needles in the snow, South Rim, Grand Canyon NP, Arizona, USA

Jack Dykinga / Agave (Agave montana) in mountain habitat in the Sierra Madre Oriental range, Nolina (Nolina sp), Madrone and Pine (Pinus sp) also present, Tamaulipas, Mexico

Jack Dykinga / Ponderosa pine cones {Pinus ponderosa} and drift wood amid canyon wall reflections in Death Hollow, Grand Staircase-Escalante, Utah, USA

Jack Dykinga / Looking down into the leaves of an Agave plant {Agave utahensis} with Pinyon pine cone {Pinus edulis}, Grand Canyon-Parashant National Monument, Arizona, USA

Jim Brandenburg / Jack Pine (Pinus banksiana) seedling sprouting after fire, Minnesota

Jack Dykinga / Grand Canyon National Park, Locust Point, looking at North Timp Point with pine covered north rim sloping toward a formation known as Steamboat Mountain. Arizona, USA, July 2012.

Jack Dykinga / Cardinal monkey flowers line sculpted canyon wall with fallen Ponderosa pine in background, Red Rock Secret Mountain Wilderness, Arizona, USA

Jack Dykinga / Ponderosa pine tree (Pinus ponderosa) growing through eroded sandstone, Great Basin Desert, Zion National Park, Utah, USA

Jack Dykinga / Gnarled ancient Bristlecone pine (Pinus longaeva) lit by the full moon and star light, White Mountains Patriarch Grove, Inyo National Forest, California, USA

Jack Dykinga / Twisted roots of Bristlecone pine {Pinus aristata var. longaeva} cling to cliff edge at Rainbow Point, Bryce Canyon National Park, Utah, USA

Jack Dykinga / Ponderosa Pine trees growing amongst eroded claron rock formations sculpted into 'Hoodoos', Thora Hammer hoodoo in the foreground, Bryce Canyon National Park, Utah, USA

Jack Dykinga / Ponderosa Pine tree growing amongst eroded claron rock formations sculpted into 'Hoodoos', Bryce Canyon National Park, Utah, USA

Jack Dykinga / Snow covered ridge and ancient Bristlecone pines (Pinus longaeva) in Inyo National Forest, California

Jack Dykinga / Lone ponderosa pine (Pinus ponderosa) atop a sandstone pinnacle, silhouetted against the sunset. Zion National Park, Utah

Jack Dykinga / A lone Pinyon Pine (Pinus sp) amongst petrified sand dunes on the Colorado Plataeu, Arizona

Jack Dykinga / Snow covered ridge and ancient Bristlecone pines (Pinus longaeva) in Inyo National Forest, California

Jack Dykinga / A twisted, snow-covered Intermountain Bistlecone pine (Pinus longaeva) in Inyo National Forest, California

Jack Dykinga / Lupin (Lupinus sp) flowering amongst Ponderosa pine (Pinus ponderosa) cones, near Tiyo Point, Grand Canyon NP, Arizona, USA

Jack Dykinga / Snow covered Pinyon Pine (Pinus edulus) saplings buried in new snow with snow storm and canyon in the background, Grand Canyon NP, Arizona, USA

Jack Dykinga / Pine (Pinus sp) drapped with moss silhouetted against a colourful foggy sunrise, a cloud forest, El Cielo Biosphere Reserve, Tamaulipas, Mexico

Jack Dykinga / Snow covered Ponderosa Pines (Pinus ponderosa) with wall of Taft Point behind, Yosemite Valley, Yosemite National Park, California

Jack Dykinga / View of Yosemite Falls amid fog with snow covered Ponderosa Pines (Pinus ponderosa) and the Merced River in foreground. Framed by Ponderosa Pine boughs, Yosemite National Park, California

Jack Dykinga / Yellow monkey flower {Mimulus guttatus} and Ponderosa pine {Pinus ponderosa} growing beside water in Death Hollow, Grand Staircase-Escalante, Utah, USA

Jack Dykinga / Kaibab limestone spire, North Kaibab trail, North Rim, Grand Canyon National Park, Arizona, USA with Pinyon pine {Pinus edulis} and Utah juniper {Juniperus osteosperma}

Jim Brandenburg / Jack Pine (Pinus banksiana) silhouetted against snow, Minnesota