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Rhizomorhpa fragilis is found growing between the wood and the bark. This is shown on the stump of a fir tree.

Rhizomorpha Fragilis

Rhizomorhpa fragilis is found growing between the wood and the bark. This is shown on the stump of a…

The common name of pinus bungeana is lace bark pine. The cones are very small.

Cone of Pinus Bungeana

The common name of pinus bungeana is lace bark pine. The cones are very small.

Swiss stone pine is the common name of pinus cembra. The leaves are marked with silver lines and are slender and flexible. The tree grows between fifty and one hundred fifty feet tall.

Swiss Stone Pine

Swiss stone pine is the common name of pinus cembra. The leaves are marked with silver lines and are…

The leaves of pinus contorta are bright green and small, from one to two inches long. The branches are numerous and spreading.

Branch of Pinus Contorta

The leaves of pinus contorta are bright green and small, from one to two inches long. The branches are…

The cones of pinus coulteri are very large, about twelve inches long and six inches in diameter. The cones weigh between four and five pounds.

Cone of Pinus Coulteri

The cones of pinus coulteri are very large, about twelve inches long and six inches in diameter. The…

The common name of pinus excelsa is Bhotan pine. The cones are cylindrical and slightly curved. The cones are six to eight inches long. The scales of the cone are large and wedge shaped.

Lower Part of Cone of Pinus Excelsa

The common name of pinus excelsa is Bhotan pine. The cones are cylindrical and slightly curved. The…

The common name of pinus excelsa is Bhotan pine. The branches are regularly whorled. The tree grows between sixty and one hundred fifty feet tall.

Branch of Pinus Excelsa

The common name of pinus excelsa is Bhotan pine. The branches are regularly whorled. The tree grows…

Corsican pine is the common name of pinus laricio. The tree grows between one hundred and one hundred fifty feet tall. The tree is native to southern Europe.

Corsican Pine

Corsican pine is the common name of pinus laricio. The tree grows between one hundred and one hundred…

Pictured is a branch of pinus longifolia with male catkins. The branches are irregularly and thinly scattered. The bark is rough.

Branch of Pinus Longifolia

Pictured is a branch of pinus longifolia with male catkins. The branches are irregularly and thinly…

Stone pine and parasol pine are the common names of pinus pinea. The tree grows between fifty and sixty feet tall. This tree is native to the Mediterranean region.

Stone Pine

Stone pine and parasol pine are the common names of pinus pinea. The tree grows between fifty and sixty…

The hymenophyllaceae order consists of very delicate ferns. The cyatheaceae order usually consists of tree ferns with large leaves. The polypodiaceae order consists of ferns of very diverse habit.

Hymenophyllaceae, Cyatheaceae, and Polypodiaceae

The hymenophyllaceae order consists of very delicate ferns. The cyatheaceae order usually consists of…

The common name of acacia verticillata is whorl-leaved acacia. It is a spreading shrub or small tree of graceful habit. The pods are flat, straight, or slight curved. The flowers appear in March and April.

Acacia Verticillata

The common name of acacia verticillata is whorl-leaved acacia. It is a spreading shrub or small tree…

Silver wattle is the common name of acacia decurrens variation dealbata. The tree is fifty or more feet high. The leaves are silver-gray to light green and grow in thirteen to twenty five pairs on the branches. The pods are wide, smooth, and a rich brown color.

Silver Wattle

Silver wattle is the common name of acacia decurrens variation dealbata. The tree is fifty or more feet…

Gum arabic tree is the common name of acacia arabica. The gum arabic tree is a small tree with gray branchlets. The leaflets grow in ten to twenty pairs.

Gum Arabic Tree

Gum arabic tree is the common name of acacia arabica. The gum arabic tree is a small tree with gray…

Acanthopanax ricinifolium is a sparingly branched tree. The tree grows up to eighty feet tall. The branches have numerous, stout prickles.

Acanthopanax Ricinifolium

Acanthopanax ricinifolium is a sparingly branched tree. The tree grows up to eighty feet tall. The branches…

Acanthopanax ricinifolium variation maximowiczii has leaves that are deeply 5-7 lobed. The lobes are oblong and lance shaped. It is a very ornamental tree.

Acanthopanax Ricinifolium Variation Maximowiczii

Acanthopanax ricinifolium variation maximowiczii has leaves that are deeply 5-7 lobed. The lobes are…

The trunk of the acanthophoenix crinita tree is fifty to sixty feet tall. The leaves are seven to thirteen feet long. Young plants have pale yellowish green leaves.

Acanthophoenix Crinita

The trunk of the acanthophoenix crinita tree is fifty to sixty feet tall. The leaves are seven to thirteen…

The acanthorhiza aculeata tree grows thirty to forty feet tall. The tree is spiny at the base. The flowers are a dark, creamy pink.

Acanthorhiza Aculeata

The acanthorhiza aculeata tree grows thirty to forty feet tall. The tree is spiny at the base. The flowers…

Pictured is a pasture maple in autumn, showing the strong framework.

Pasture Maple

Pictured is a pasture maple in autumn, showing the strong framework.

Pictured is a pasture tree of sugar maple. The tree is more flatter topped than usual. Sugar maple is the common name of acer saccharum.

Sugar Maple

Pictured is a pasture tree of sugar maple. The tree is more flatter topped than usual. Sugar maple is…

Acer miyabei is a variety of maple. The tree grows up to forty feet tall and the branches are corky. The leaves are five lobed.

Acer Miyabei

Acer miyabei is a variety of maple. The tree grows up to forty feet tall and the branches are corky.…

Pictured is an upright tip shoot of Norway maple. Norway maple is the common name of <i>Acer platanoides</i>. The leaves are five lobed and light green.

Norway Maple

Pictured is an upright tip shoot of Norway maple. Norway maple is the common name of Acer platanoides.…

Acer ginnala grows twenty feet tall. The leaves are three lobes. The flowers are yellowish and fragrant.

Acer Ginnala

Acer ginnala grows twenty feet tall. The leaves are three lobes. The flowers are yellowish and fragrant.

The common names of acer saccharinum are white or silver maple. The tree is large, about one hundred twenty feet tall. The leaves are deeply five lobed. The leaves are green above, silvery white beneath, and four to six inches long.

Acer Saccharinum

The common names of acer saccharinum are white or silver maple. The tree is large, about one hundred…

Common sugar maple and rock maple are the common names of acer saccharum. The leaves are 3-5 lobed and 3-6 inches long.

Common Sugar Maple

Common sugar maple and rock maple are the common names of acer saccharum. The leaves are 3-5 lobed and…

Black sugar maple is the common name of acer nigrum. The leaves are generally three lobed and five to six inches across. The tree has black bark.

Black Sugar Maple

Black sugar maple is the common name of acer nigrum. The leaves are generally three lobed and five to…

The acer nikoense tree is forty feet tall. The branchlets are covered in fine, short hairs. The leaflets are oval shaped and short stalked.

Acer Nikoense

The acer nikoense tree is forty feet tall. The branchlets are covered in fine, short hairs. The leaflets…

The common names of <i>Acer negundo</i> are ash-leaved maple and box elder. Pictured is a raceme of the young fruit of the tree.

Ash-Leaved Maple

The common names of Acer negundo are ash-leaved maple and box elder. Pictured is a raceme of the young…

Acrocomia is a genus of American palms. The sclerocarpa species grows between thirty and forty five feet tall. The trunk is about one foot thick with black spines.

Acrocomia Sclerocarpa

Acrocomia is a genus of American palms. The sclerocarpa species grows between thirty and forty five…

The common name of <i>Adansonia digital</i> is baobab tree. The tree grows no taller than sixty feet. This tree grows in the American tropics.

Adansonia Digitata

The common name of Adansonia digital is baobab tree. The tree grows no taller than sixty feet. This…

The common name of <i>Adansonia digital</i> is baobab tree. The flowers of this tree open wide. The petals then roll and and wither.

Flower of Adansonia Digitata

The common name of Adansonia digital is baobab tree. The flowers of this tree open wide. The petals…

<i>Aeglopsis chevalier</i> is a large shrub or small, spiny tree. The spines are long, slender, and straight. The fruits are deep orange with a thin, hard shell.

Aeglopsis Chevalieri

Aeglopsis chevalier is a large shrub or small, spiny tree. The spines are long, slender, and straight.…

Common horse chestnut is the common name of <i>Aesculus hippocastanum</i>. The tree is large, between sixty and eighty feet tall. The flowers are white tinged with red.

Opening Foliage of Common Horse Chestnut

Common horse chestnut is the common name of Aesculus hippocastanum. The tree is large, between sixty…

The <i>Agates orientalist</i> tree grows one hundred feet tall. The leaves are opposite or alternate. The cones are globe shaped.

Agathis Orientalis

The Agates orientalist tree grows one hundred feet tall. The leaves are opposite or alternate. The cones…

The common name of <i>Ailanthus altissimo</i> is tree of heaven. The tree grows to sixty feet tall. The young branchlets are covered in short, fine hairs. The branchlets are usually yellowish brown.

Ailanthus Altissima

The common name of Ailanthus altissimo is tree of heaven. The tree grows to sixty feet tall. The young…

The common names of <i>Albizzia lebbek</i> are lebbeck tree, siris tree, and woman's tongue tree. The flowers of the tree are greenish yellow. The tree is tall.

Albizzia Lebbek

The common names of Albizzia lebbek are lebbeck tree, siris tree, and woman's tongue tree. The flowers…

Almonds usually ripen from August to October. The type of almonds that are cultivated commercially are sweet and have soft shells.

Bearing Habit of the Almond

Almonds usually ripen from August to October. The type of almonds that are cultivated commercially are…

The <I>Alnus japonica</i> tree grows between fifty and eighty feet tall. There are three to six cones. The tree has dark green foliage.

Alnus Japonica

The Alnus japonica tree grows between fifty and eighty feet tall. There are three to six cones. The…

The young branchlets either have a small amount of short, fine hair or they have none. The leaves are four to six inches long, slightly lobed, and oval shaped. The tree grows up to sixty feet tall.

Alnus Tinctoria

The young branchlets either have a small amount of short, fine hair or they have none. The leaves are…

The common name of <i>Alnus glutinous</i> is black alder. The leaves are two to five inches long with five to seven pairs of veins. The tree grows up to seventy feet tall.

Black Alder

The common name of Alnus glutinous is black alder. The leaves are two to five inches long with five…

The common name of <I>Anacardium occidentale</I> is cashew. The tree grows twenty to forty feet tall. The flowers are rosy tinted and fragrant. The nut is kidney shaped or heart shaped.

Anacardium Occidentale

The common name of Anacardium occidentale is cashew. The tree grows twenty to forty feet tall. The flowers…

The common names of <I>Annona muricata</i> are soursop, guanabana, corosol, coracao de rainha, graviola, suirsaak, and zuursaak. The tree is a small evergreen and is the size of a peach tree. The fruit is very large and fleshy, sometimes weighing up to five pounds. The fruit is oval or heart shaped. The pulp is white and juicy with a slight mango like flavor.

Annona Muricata

The common names of Annona muricata are soursop, guanabana, corosol, coracao de rainha, graviola, suirsaak,…

<I>Annona purpurea</I> has several common names including cabeza de negro, soncoya, sencuya, and toreta. The pulp is fleshy, fibrous, and fragrant. The flavor resembles mango.

Annona Purpurea

Annona purpurea has several common names including cabeza de negro, soncoya, sencuya, and toreta. The…

<i>Annona glabra</I> has many common names including pond apple, alligator apple, monkey apple, mangrove annona, mamin, mamain, and others. The fruit is the size of a bellflower apple with leathery skin. The fruit is not edible.

Annona Glabra

Annona glabra has many common names including pond apple, alligator apple, monkey apple, mangrove annona,…

The common names of <I>Annona diversifolia</i> are ilama and ilamatzapotl. The pulp of the fruit is cream colored or rose tinted and edible.

Annona Diversifolia

The common names of Annona diversifolia are ilama and ilamatzapotl. The pulp of the fruit is cream colored…

Some of the common names of <I>Annona reticulata</i> are common custard apple, bullock's heart, corazon, and corossol. The fruit is smooth and three to five inches in diameter. The pulp is sweetish but usually granular.

Annona Reticulata

Some of the common names of Annona reticulata are common custard apple, bullock's heart, corazon, and…

Some of the common names of <I>Annona squamosa</i> are sugar apple, sweet sop, anon, and atta. The fruit is about the size of an orange. The pulp is yellowish white, creamy or custard like, very sweet and pleasantly flavored.

Annona Squamosa

Some of the common names of Annona squamosa are sugar apple, sweet sop, anon, and atta. The fruit is…

Pictured are annuals filling the formal space between a drive and a tree group. Annuals are plants that bloom in the open the same year the seeds are sown and that do not live over winter.

Annual Plants in Landscaping

Pictured are annuals filling the formal space between a drive and a tree group. Annuals are plants that…

Pictured is an apple cluster. Only one fruit may set in a cluster.

Apple Cluster

Pictured is an apple cluster. Only one fruit may set in a cluster.

Pictured is an apple showing the side bud that is to continue the spur the following year.

Apple Side Bud

Pictured is an apple showing the side bud that is to continue the spur the following year.

Pictured are the flower cluster and the leaf cluster of an apple tree.

Flower and Leaf Cluster of Apple

Pictured are the flower cluster and the leaf cluster of an apple tree.

Pictured is a monument to the Baldwin apple. The monument was erected in Wilmington, Massachusetts. The inscription reads "This Pillar Erected in 1895 by the Rumford Historical Association, Incorporated April 28, 1877. Marks the estate where in 1793 Samuel Thompson, Esq., while locating the line of the Middlesex Canal, discovered the first Pecker apple tree. Later named the Baldwin."

Monument to the Baldwin Apple

Pictured is a monument to the Baldwin apple. The monument was erected in Wilmington, Massachusetts.…

Pictured is the first tablet in New York state in memory of any apple. The tablet was erected in the town of Camillus on the original site of the primate apple tree.

Tablet to the Primate Apple

Pictured is the first tablet in New York state in memory of any apple. The tablet was erected in the…

Pictured is a four feet tall Northern Spy Monument. The tablet reads "The original northern spy apple tree stood about fourteen rods south of this spot, in a seedling planted by Herman Chapin about 1800".

Northern Spy Monument

Pictured is a four feet tall Northern Spy Monument. The tablet reads "The original northern spy apple…

Pictured is a monument to the McIntosh apple erected by Popular Subscription in 1912. The monument reads "The original McIntosh red apple tree stood about twenty rods north of this spot. It was one of a number of seedlings taken from the border of the clearings and transplanted by John McIntosh in the year 1796".

Monument to the McIntosh Apple

Pictured is a monument to the McIntosh apple erected by Popular Subscription in 1912. The monument reads…

Pictured is the original McIntosh apple tree. The tree was discovered in 1796. The tree was transplanted in 1830 and one side burned in 1893. The other side of the tree continued to bear fruit until 1908.

Original McIntosh Apple Tree

Pictured is the original McIntosh apple tree. The tree was discovered in 1796. The tree was transplanted…

The monument to Peter M. Gideon commemorates the origin of the wealthy apple. Peter M. Gideon grew the original wealthy apple tree in 1864. The monument was erected in 1912.

Monument to Peter M. Gideon and the Wealthy Apple

The monument to Peter M. Gideon commemorates the origin of the wealthy apple. Peter M. Gideon grew the…

Pictured is a ten year old Nebraska apple orchard. The trunks are protected from the sun by board jackets.

Nebraska Apple Orchard

Pictured is a ten year old Nebraska apple orchard. The trunks are protected from the sun by board jackets.

Pictured is an apple orchard in Hood River Valley, Oregon. Apple growing is a big industry on the Pacific Coast.

Apple Orchard in Hood River Valley

Pictured is an apple orchard in Hood River Valley, Oregon. Apple growing is a big industry on the Pacific…

Pictured is a California apple orchard. It was until 1880 that California was proven to be able to grow apples commercially.

California Apple Orchard

Pictured is a California apple orchard. It was until 1880 that California was proven to be able to grow…