Also known as Salix alaxensis. The branch of an Alaska Willow tree, a species of willow.

Branch of Alaska Willow

Also known as Salix alaxensis. The branch of an Alaska Willow tree, a species of willow.

Also known as Castanea pumila. The branch of an Allegheny Chinkapin tree, native to the eastern United States.

Branch of Allegheny Chinkapin

Also known as Castanea pumila. The branch of an Allegheny Chinkapin tree, native to the eastern United…

The branch of an Alnus oregona, a species of alder tree.

Branch of Alnus Oregona

The branch of an Alnus oregona, a species of alder tree.

The branch of an Alnus sitchensis, a species of Alder tree.

Branch of Alnus Sitchensis

The branch of an Alnus sitchensis, a species of Alder tree.

Also known as Larix lyallii. A species of larch native to northwestern North America.

Alpine Larch Pine Cone

Also known as Larix lyallii. A species of larch native to northwestern North America.

The branch of an Amelanchier obovalis tree, native to North America.

Branch of Amelanchier Obovalis

The branch of an Amelanchier obovalis tree, native to North America.

Also known as Castanea dentata. The branch of an American Chestnut tree, native to eastern North America.

Branch of American Chestnut

Also known as Castanea dentata. The branch of an American Chestnut tree, native to eastern North America.

Also known as Ulmus americana. The branch of the American Elm, native to eastern North America.

Branch of American Elm

Also known as Ulmus americana. The branch of the American Elm, native to eastern North America.

Also known as Ostrya virginiana. The branch of an American Hophornbeam, a species of Ostrya native to eastern North America.

Branch of American Hophornbeam

Also known as Ostrya virginiana. The branch of an American Hophornbeam, a species of Ostrya native to…

Also known as Carpinus caroliniana. The branch of an American Hornbeam, native to eastern North America.

Branch of American Hornbeam

Also known as Carpinus caroliniana. The branch of an American Hornbeam, native to eastern North America.

Also known as Sorbus americana. The branch of an American Mountain-Ash tree, native to northeastern North America.

Branch of American Mountain-Ash

Also known as Sorbus americana. The branch of an American Mountain-Ash tree, native to northeastern…

Also known as Liquidambar styraciflua. The branch of an American Sweetgum tree, native to eastern North America.

Branch of American Sweetgum

Also known as Liquidambar styraciflua. The branch of an American Sweetgum tree, native to eastern North…

Also known as Platanus occidentalis. The branch of an American Sycamore tree, native throughout the central and eastern parts of the United States.

Branch of American Sycamore

Also known as Platanus occidentalis. The branch of an American Sycamore tree, native throughout the…

Also known as Salix discolor. The branch of an American Willow, native throughout North America.

Branch of America Willow

Also known as Salix discolor. The branch of an American Willow, native throughout North America.

The anemone narcissiflora flower is usually cream colored and is sometimes purplish on the outside. This flower grows in Europe and North America.

Habit and Flower of Anemone Narcissiflora

The anemone narcissiflora flower is usually cream colored and is sometimes purplish on the outside.…

Also known as Alnus oblongifolia. The branch of an Arizona Alder tree, native to southwestern United States and Mexico.

Branch of Arizona Alder

Also known as Alnus oblongifolia. The branch of an Arizona Alder tree, native to southwestern United…

Also known as Cupressus arizonica. A species of cypress found in the southwest of North America.

Branch of Arizona Cypress

Also known as Cupressus arizonica. A species of cypress found in the southwest of North America.

Also known as Pinus arizonica. The pine cone of an Arizona Pine tree.

Pine Cone of Arizona Pine

Also known as Pinus arizonica. The pine cone of an Arizona Pine tree.

Also known as Vauquelinia californica. The branch of an Arizona Rosewood tree, native to the southwestern United States.

Branch of Arizona Rosewood

Also known as Vauquelinia californica. The branch of an Arizona Rosewood tree, native to the southwestern…

Also known as Platanus wrightii. The branch of an Arizona Sycamore, native to Arizona and New Mexico.

Branch of Arizona Sycamore

Also known as Platanus wrightii. The branch of an Arizona Sycamore, native to Arizona and New Mexico.

Also known as Quercus arizonica. The branch of an Arizona White Oak, native to the southwest United States.

Branch of Arizona White Oak

Also known as Quercus arizonica. The branch of an Arizona White Oak, native to the southwest United…

"Different forms from Europe, Africa, and North America."—Webster, 1913

Arrowheads of the Stone Age

"Different forms from Europe, Africa, and North America."—Webster, 1913

Also known as Salix lasiolepis. The branch of an Arroyo Willow tree, native to western and southwestern North America.

Branch of Arroyo Willow

Also known as Salix lasiolepis. The branch of an Arroyo Willow tree, native to western and southwestern…

Also known as Taxodium distichum. A species of conifer native to the southeastern United States.

Pine Cone of Bald Cypress

Also known as Taxodium distichum. A species of conifer native to the southeastern United States.

Also known as Abies balsamea. A North American fir, generally found in most of the eastern and central areas of the United States and Canada.

Pine Cone of Balsam Fir

Also known as Abies balsamea. A North American fir, generally found in most of the eastern and central…

Also known as Salix bebbiana. The branch of a Beaked Willow, native to Canada and the northern United States.

Branch of Beaked Willow

Also known as Salix bebbiana. The branch of a Beaked Willow, native to Canada and the northern United…

Also known as Quercus ilicifolia. The branch of a Bear Oak tree, native to the northeastern United States.

Branch of Bear Oak

Also known as Quercus ilicifolia. The branch of a Bear Oak tree, native to the northeastern United States.

The branch of a Betula alaskana, a species of birch tree.

Branch of Betula Alaskana

The branch of a Betula alaskana, a species of birch tree.

The branch of a Betula coerulea.

Branch of Betula Coerulea

The branch of a Betula coerulea.

Also known as Sequoia wellington.

Pine Cone of Big Tree

Also known as Sequoia wellington.

Also known as Pseudotsuga macrocarpa. A conifer native to southern California.

Pine Cone of Bigcone Douglas Fir

Also known as Pseudotsuga macrocarpa. A conifer native to southern California.

Also known as Magnolia macrophylla. The branch of a Bigleaf Magnolia tree, native to the southeastern United States and eastern Mexico.

Branch of Bigleaf Magnolia

Also known as Magnolia macrophylla. The branch of a Bigleaf Magnolia tree, native to the southeastern…

Also known as Pinus muricata, mostly found in California.

Bishop Pine Cone

Also known as Pinus muricata, mostly found in California.

Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

Branch of Black Cottonwood

Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.

Also known as Picea mariana. A species of spruce native to North America.

Black Spruce Pine Cone

Also known as Picea mariana. A species of spruce native to North America.

Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.

Branch of Black Willow

Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.

Also known as Quercus marilandica. The branch of a Blackjack Oak, native to the southern and central United States.

Branch of Blackjack Oak

Also known as Quercus marilandica. The branch of a Blackjack Oak, native to the southern and central…

Also known as Quercus douglasii. The branch of a Blue Oak tree, native to California.

Branch of Blue Oak

Also known as Quercus douglasii. The branch of a Blue Oak tree, native to California.

Also known as Toxylon pomiferum. The branch of a Bois D'Arc tree, native to Texas.

Branch of Bois D'Arc

Also known as Toxylon pomiferum. The branch of a Bois D'Arc tree, native to Texas.

Also known as Salix bonplandiana. The branch of a Bonpland Willow, native to southern and southwest Mexico.

Branch of Bonpland Willow

Also known as Salix bonplandiana. The branch of a Bonpland Willow, native to southern and southwest…

Also known as Picea breweriana. A species of spruce tree native to western North America.

Brewer Spruce Pine Cone

Also known as Picea breweriana. A species of spruce tree native to western North America.

Also known as Pinus ponderosa. The pine cone of a Bull Pine tree.

Pine Cone of Bull Pine

Also known as Pinus ponderosa. The pine cone of a Bull Pine tree.

Also known as Quercus macrocarpa. The branch of the Bur Oak tree, native to North America.

Branch of Bur Oak

Also known as Quercus macrocarpa. The branch of the Bur Oak tree, native to North America.

Also known as Sabal palmetto. The branch of a palmetto palm tree.

Branch of Cabbage Palmetto

Also known as Sabal palmetto. The branch of a palmetto palm tree.

Also known as Quercus kelloggii. The branch of a California Black Oak, native to western North America.

Branch of California Black Oak

Also known as Quercus kelloggii. The branch of a California Black Oak, native to western North America.

Also known as Juglans californica. A species of walnut shrub endemic to California.

Branch of California Black Walnut

Also known as Juglans californica. A species of walnut shrub endemic to California.

Also known as Juniperus californica. A species of juniper native mainly to California.

Branch of California Juniper

Also known as Juniperus californica. A species of juniper native mainly to California.

Also known as Torreya californica.

Branch of California Torreya

Also known as Torreya californica.

Also known as Myrica californica. A small tree native to the Pacific Coast of North America.

Branch of California Wax Myrtle

Also known as Myrica californica. A small tree native to the Pacific Coast of North America.

Also known as Tsuga canadensis. A coniferous tree native to eastern North America.

Branch of Canadian Hemlock

Also known as Tsuga canadensis. A coniferous tree native to eastern North America.

Also known as Quercus chrysolepis. The branch of a Canyon Live Oak tree, native to the southwestern North America.

Branch of Canyon Live Oak

Also known as Quercus chrysolepis. The branch of a Canyon Live Oak tree, native to the southwestern…

A branch from the Capparis jamaicensis tree, native to Florida during the spring season.

Branch of Capparis Jamaicensis

A branch from the Capparis jamaicensis tree, native to Florida during the spring season.

The North American variety of reindeer is commonly called the caribou.

Caribou

The North American variety of reindeer is commonly called the caribou.

Also known as Tsuga caroliniana. An evergreen coniferous tree native to the Appalachian Mountains.

Pine Cone of Carolina Hemlock

Also known as Tsuga caroliniana. An evergreen coniferous tree native to the Appalachian Mountains.

The branch of a Celtis mississippiensis tree, native to the limestone hills in the United States.

Branch of Celtis Mississippiensis

The branch of a Celtis mississippiensis tree, native to the limestone hills in the United States.

Also known as Quercus chapmanii. The branch of a Chapman Oak tree, native to the southeastern United States.

Branch of Chapman Oak

Also known as Quercus chapmanii. The branch of a Chapman Oak tree, native to the southeastern United…

Also known as Juniperus pachyphlaea. Native to southwestern Texas, New Mexico, Arizona, and Mexico.

Branch of Checker Barked Juniper

Also known as Juniperus pachyphlaea. Native to southwestern Texas, New Mexico, Arizona, and Mexico.

Also known as Quercus pagoda. The branch of a Cherrybark Oak tree, native to the southern United States.

Branch of Cherrybark Oak

Also known as Quercus pagoda. The branch of a Cherrybark Oak tree, native to the southern United States.

Also known as Quercus prinus. The branch of a Chestnut Oak tree, native to the eastern United States.

Branch of Chestnut Oak

Also known as Quercus prinus. The branch of a Chestnut Oak tree, native to the eastern United States.

The pine cone of the Chihuahua Pine tree.

Pine Cone of Chihuahua Pine

The pine cone of the Chihuahua Pine tree.