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P. contorta subsp. contorta[edit]
P. contorta subsp. contorta var. contorta[edit]
Natural[edit]
Trees in muskeg habitat, Pacific Rim National Park, Vancouver Island, BC, Canada
Trees in muskeg habitat, Pacific Rim National Park, Vancouver Island, BC, Canada
Trees in muskeg habitat, Wrangell, Alaska
Trees in muskeg habitat, Kupreanof Island, Alaska
Trees; Anacortes Community Forest Lands
Foliage and young pollen cones, Anacortes Community Forest Lands
Foliage and immature seed cone, Anacortes Community Forest Lands
Foliage and immature seed cone, Anacortes Community Forest Lands
Foliage and mature seed cone, Anacortes Community Forest Lands
Foliage and mature seed cone, Anacortes Community Forest Lands
Foliage and mature seed cone, Anacortes Community Forest Lands
Foliage and mature seed cone, Anacortes Community Forest Lands
Cone, Little Si, Seattle, Washington
Foliage and mature, open seed cone, Anacortes Community Forest Lands
Port Orford Heads, Oregon
Richmond Nature Park, Richmond, B.C.
Cultivated[edit]
Young and older trees. Cultivated, Northumberland, UK
Branch with persistent serotinous cones. Cultivated, Northumberland, UK
Shoot with closed cones. Cultivated, Northumberland, UK
Shoot with closed and open cones. Cultivated, Northumberland, UK
Bud with broad base indicating pollen cone development. Cultivated, Northumberland, UK
Shoot with pollen and seed cones
Cultivated, Blaikiewell, Scotland
P. contorta subsp. contorta var. bolanderi[edit]
Foliage and immature cones, Mendocino, California
P. contorta subsp. latifolia[edit]
Natural[edit]
Grand Park, Mount Rainier National Park, Washington
Forest with Picea engelmannii, Manning National Park, British Columbia
Chilkoot Trail, northwestern British Columbia
At Obsidian Cliff, Yellowstone NP, USA
At Upper Yellowstone Fall, Yellowstone NP, USA
Near Thermopolis, Wyoming
At Signal Mountain, Yellowstone NP, USA
Tree with roots exposed by erosion, Yellowstone NP, USA
Foliage and cones, Grand Park, Mount Rainier National Park, Washington
Foliage and female cone, Grand Park, Mount Rainier National Park, Washington
Foliage and young cones; western Colorado
Foliage and cones, Nederland, Colorado
Fire relations[edit]
Forest with old and dead trees, Yellowstone NP, USA
Cone opened after forest fire, Yellowstone NP, USA
Seedlings and old cone after fire, Yellowstone NP, USA
Regrowth after fire, Yellowstone NP, USA
Regrowth after fire, Yellowstone NP, USA
Damaging agents[edit]
Trunk with Dendroctonus ponderosae infestation, Canada
Trees damaged by geothermal activity, Yellowstone NP, USA
Trees killed by geothermal activity, Yellowstone NP, USA
Cultivated[edit]
Tree; cultivated, North Dakota
Foliage, Rogów Arboretum, Poland
Pollen cones, cultivated, Finland
P. contorta subsp. murrayana[edit]
San Gorgonio Wilderness, San Bernardino Mts, California
Forest, Mount Baden-Powell, San Gabriel Mts, California
Forest, Cucamonga Peak, San Gabriel Mts, California
Trees, Mono Hot Springs, Sierra Nevada
Forest in Lassen Volcanic National Park
Dwarf form, Lembert Dome, California
Olympic Valley, Placer Co., California
Pollen cones, Lassen National Forest, California
Foliage and pollen cones, Cascade-Siskiyou National Monument
Foliage and pollen cones, Klamath Marsh NWR
Foliage and immature seed cone, Klamath Marsh NWR
Foliage and mature seed cone, Cascade-Siskiyou National Monument
Foliage and mature seed cone, Cascade-Siskiyou National Monument
Foliage and mature seed cone, Lassen Volcanic National Park, California
Foliage and mature seed cone, Klamath Marsh NWR
Foliage and mature seed cone, Klamath Marsh NWR
Foliage and feeding insect larvae, Klamath Marsh NWR
Cyan: P. contorta subsp. contorta. Red: P. contorta subsp. latifolia. Blue: P. contorta subsp. murrayana.
subsp. contorta
subsp. latifolia
subsp. murrayana
subsp. contorta
subsp. latifolia
subsp. murrayana
subsp. contorta
subsp. latifolia
subsp. murrayana