baumzaehlen - Primeval Forests & Their Trees

©2017copyright christoph hase

 

Alnus rubra (red alder, Betulaceae)

 

 

Olympic National Park, Washington, USA.
Picea sitchensis (Sitka spruce) invades A. rubra forest. Olympic National Park at 275 m, Washington, USA.
A. rubra, left; Populus trichocarpa (black cottonwood), centre; Picea sitchensis (Sitka spruce), right, also left background. Olympic National Park at 275 m, Washington, USA.
Along the river, A. rubra with Picea sitchensis (Sitka spruce) - Tsuga heterophylla (western hemlock) forest behind. Olympic National Park, Washington, USA.
Along the river, A. rubra dominates pioneer vegetation; behind it Picea sitchensis (Sitka spruce) - Tsuga heterophylla (western hemlock) forest. Olympic National Park, Washington, USA.
Along the river, A. rubra dominates pioneer vegetation; Tsuga heterophylla (western hemlock, drooping tops) - Picea sitchensis (Sitka spruce) forest. Olympic National Park at 250 m, Washington, USA.
On the left A. rubra forest, Populus trichocarpa (black cottonwood, the tall broadleaf crown) and Picea sitchensis (Sitka spruce)). South Fork Hoh River, Olympic National Park, Washington, USA.
Some broadleaf trees of the western valleys of Olympic National Park, Washington, USA. S. callicarpa = S. racemosa subsp. pubens (Pacific Coast red elder).
Narrow A. rubra strip between beach and Picea sitchensis (Sitka spruce) forest. Clayoquot Sound Biosphere Reserve, BC, Canada.
Some trees of low altitudes of Flores Island, Clayoquot Sound Biosphere Reserve, BC, Canada.
A. rubra (with light green foliage) and Picea sitchensis (Sitka spruce). Carmanah Creek at 130 m. Carmanah Walbran Provincial Park, BC, Canada.
A. rubra foliage, top right; Frangula purshiana (cascara buckthorn) foliage, top left; Tsuga heterophylla (western hemlock), background. Willaby Creek, Olympic National Forest, Washington, USA.