How Many Leaves Are in the World? By Tree Species, Location, Size

Georgette Kilgore headshot, wearing 8 Billion Trees shirt with forest in the background.Written by Georgette Kilgore

Forestry, Trees and Tree Planting | March 7, 2024

Woman looks at a map of the world covered with different shapes of leaves and wonders how many leaves are in the world total?

To determine how many leaves are in the world, the number of trees in the world must first be established.

And, that’s a number that can only be estimated… but scientists are agreed that knowing the size of the tree, its age and its species can accurately estimate the number of leaves it will have.

Of course, some trees leaves are actually needles (like pines and other conifers), so that can play a role in how many leaves are in the world.

This guide explains how many trees on Earth, and how to calculate the number of leaves on them.

How Many Trees on Earth?

So, how many trees on Earth today?

Today, there are around 3.04 trillion trees on Earth, which is equal to around 422 trees for each person.

Scientists believe that the first real tree on Earth grew during the Devonian period, and they are of the opinion that the tree was the now-extinct Archaeopteris.

More tree types eventually joined the Archaeopteris species, and this tree became the stand-out plant in various forests as the Devonian period drew to a close.

Of the trees that flourished during the Devonian and Carboniferous periods, only the tree fern still exists and can be found in tropical rainforests in Australia. Tree ferns existed before dinosaurs and the most common species found in southeastern Australia today are the Dicksonia antarctica and the Cyathea australis.

The next species to join the forest life was primitive conifers which grew during the late Permian to Triassic eras. The petrified forest in Arizona still contains the remnants of these gymnosperms.

Flow chart that shows the facts about leaves and trees.

Hardwood trees, angiosperms, were up next and these trees flourished 150 million years ago during the Cretaceous period. Hardwoods appeared around the same time that Pangaea loosened itself and split into smaller continents.1,2

Before humans, there were around 6 trillion trees in the world, with forests taking up around 6 billion hectares of land on Earth. The loss of 3 billion hectares is attributed to agriculture and infrastructure.

A frightening statistic reveals that Earth loses 15 billion trees every year.3

Countries With Most Trees Per Person

CountryTrees Per Person
Canada8,953
Russia4,461
Gabon8,131
Bolivia5,465
Guyana14,692
Central African Republic5,152
French Guiana20,226

Related Reading: How Many Trees Are in the World? By Country, Type, Year (Updated 2022)

Which Country Has Most Trees?

The below table indicates which country has most trees (forest cover), compared to other countries around the world:4

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Suriname97.411990 – 2020
Guyana93.621990 – 2020
Micronesia9231991 – 2020
Gabon91.341990 – 2020
Solomon Islands90.151990 – 2020
Palau9061991 – 2020
Eq. Guinea87.371990 – 2020
Papua N.G.79.281990 – 2020
Liberia79.191990 – 2020
Finland73.7101990 – 2020
Seychelles73.3111990 – 2020
St. Vincent73.2121990 – 2020
Brunei72.1131990 – 2020
Laos71.9141990 – 2020
Bhutan71.4151990 – 2020
G.-Bissau70.4161990 – 2020
Sweden68.7171990 – 2020
Japan68.4181990 – 2020
South Korea64.4191990 – 2020
Republic. of Congo64.3201990 – 2020
Dominica63.8211990 – 2020
Fiji62.4221990 – 2020
Montenegro61.5232006 – 2020
Slovenia61.5241992 – 2020
Zambia60.3251990 – 2020
Image of tall trees with its rough bark in a forest.

(Image: renewagner198510)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Brazil59.4261990 – 2020
Costa Rica59.4271990 – 2020
Malaysia58.2281990 – 2020
Samoa58.2291990 – 2020
Estonia57301992 – 2020
Honduras56.8311990 – 2020
Panama56.8321990 – 2020
Peru56.5331990 – 2020
Belize56341990 – 2020
Puerto Rico56351990 – 2020
DR Congo55.6361990 – 2020
Jamaica55.1371990 – 2020
Latvia54.8381992 – 2020
S.T.& Principe54.1391990 – 2020
Angola53.4401990 – 2020
Colombia53.3411990 – 2020
Venezuela52.4421990 – 2020
Grenada52.1431990 – 2020
Tanzania51.6441990 – 2020
Bahamas50.9451990 – 2020
Ecuador50.3461990 – 2020
North Korea50.1471990 – 2020
Russia49.8481992 – 2020
Indonesia49.1491990 – 2020
Austria47.3501990 – 2020
Image of a pathway in between tall trees in a forest on a sunny day.

(Image: kmarius11)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Bolivia46.9511990 – 2020
Mozambique46.7521990 – 2020
Vietnam46.7531990 – 2020
New Caledonia45.8541990 – 2020
Cambodia45.7551990 – 2020
Zimbabwe45.1561990 – 2020
Trinidad & Tobago44.5571990 – 2020
Dominican Republic44.4581990 – 2020
Burma43.7591990 – 2020
Belarus43.2601992 – 2020
Cameroon43611990 – 2020
Bosnia & Herzegovina42.7621992 – 2020
Liechtenstein41.9631990 – 2020
Senegal41.9641990 – 2020
Nepal41.6651990 – 2020
Georgia40.6661992 – 2020
Paraguay40.5671990 – 2020
Slovakia40.1681993 – 2020
North Macedonia39.7691992 – 2020
Thailand38.9701990 – 2020
Canada38.7711990 – 2020
New Zealand37.6721990 – 2020
Spain37.2731990 – 2020
Vanuatu36.3741990 – 2020
Portugal36.2751990 – 2020
Low angle image of a tall tree with its rough bark and green leaves in a forest.

(Image: louannenicely12)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Bulgaria35.9761990 – 2020
C.A. Republic35.8771990 – 2020
Ghana35.1781990 – 2020
Lithuania35.1791992 – 2020
Sierra Leone35.1801990 – 2020
Croatia34.7811992 – 2020
Czechia34.7821993 – 2020
Luxembourg34.5832000 – 2020
Sri Lanka34.2841990 – 2020
Andorra34851990 – 2020
Saint Lucia34861990 – 2020
USA33.9871990 – 2020
Mexico33.8881990 – 2020
Norway33.4891990 – 2020
Tuvalu33.3901990 – 2020
Guatemala32.9911990 – 2020
Germany32.7921990 – 2020
Italy32.3931990 – 2020
Switzerland32.1941990 – 2020
France31.5951990 – 2020
Serbia31.1962006 – 2020
Poland31971990 – 2020
Greece30.3981990 – 2020
Romania30.1991990 – 2020
Swaziland28.91001990 – 2020
Image of tall trees on a rocky terrain in a forest.

(Image: Dreamside13)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Turkey28.91011990 – 2020
Albania28.81021990 – 2020
Nicaragua28.31031990 – 2020
El Salvador28.21041990 – 2020
Benin27.81051990 – 2020
Botswana26.91061990 – 2020
Guinea25.21071990 – 2020
Chile24.51081990 – 2020
India24.31091990 – 2020
Philippines24.11101990 – 2020
Gambia241111990 – 2020
Malawi23.81121990 – 2020
Nigeria23.71131990 – 2020
China23.31141990 – 2020
Belgium22.81151990 – 2020
Burkina Faso22.71161990 – 2020
Hungary22.51171990 – 2020
Togo22.21181990 – 2020
Singapore21.71191990 – 2020
Madagascar21.41201990 – 2020
Mauritius19.11211990 – 2020
Cyprus18.71221990 – 2020
Antigua.& Barbuda18.51231990 – 2020
Bermuda18.51241990 – 2020
Comoros17.71251990 – 2020
Image of a road in between tall trees covered in snow during winter season.

(Image: Anrita170514)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Australia17.41261990 – 2020
San Marino16.71271990 – 2020
Ukraine16.71281992 – 2020
Denmark15.71291990 – 2020
Ethiopia15.11301990 – 2020
Barbados14.71311990 – 2020
Bangladesh14.51321990 – 2020
South Africa14.11331990 – 2020
Lebanon141341990 – 2020
Azerbaijan13.71351992 – 2020
UK13.21361990 – 2020
Morocco12.91371990 – 2020
Haiti12.61381990 – 2020
Tonga12.41391990 – 2020
Moldova11.81401992 – 2020
Uganda11.71411990 – 2020
Uruguay11.61421990 – 2020
Armenia11.51431992 – 2020
Ireland11.41441990 – 2020
Cape Verde11.31451990 – 2020
Rwanda11.21461990 – 2020
Netherlands111471990 – 2020
Burundi10.91481990 – 2020
Mali10.91491990 – 2020
Argentina10.41501990 – 2020
Wide angle image of trees in high hills and mountains with cloudy skies on a sunny morning.

(Image: srkcalifano15)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Sudan9.81511990 – 2020
Somalia9.51521990 – 2020
Mongolia9.11531990 – 2020
Ivory Coast8.91541990 – 2020
Turkmenistan8.81551992 – 2020
Eritrea8.71561993 – 2020
Uzbekistan8.41571992 – 2020
Namibia8.11581990 – 2020
Kyrgyzstan6.91591992 – 2020
Iran6.61601990 – 2020
Israel6.51611990 – 2020
Kenya6.31621990 – 2020
Pakistan4.81631990 – 2020
Tunisia4.51641990 – 2020
UA Emirates4.51651990 – 2020
Chad3.41661990 – 2020
Tajikistan3.11671992 – 2020
Syria2.81681990 – 2020
Maldives2.71691990 – 2020
Aruba2.31701990 – 2020
Afghanistan1.91711990 – 2020
Iraq1.91721990 – 2020
Palestine1.71731990 – 2020
Kiribati1.51741990 – 2020
Malta1.41751990 – 2020
Image tall trees at the foot of a mountain covered in snow.

(Image: GeorgeB216)

Countries Ranked According to Forest CoverForest Cover (in Percentage) – 2020Global RankData Period
Kazakhstan1.31761992 – 2020
Jordan1.11771990 – 2020
Lesotho1.11781990 – 2020
Yemen11791990 – 2020
Bahrain0.91801990 – 2020
Niger0.91811990 – 2020
Algeria0.81821990 – 2020
Iceland0.51831990 – 2020
Saudi Arabia0.51841990 – 2020
Kuwait0.41851990 – 2020
Djibouti0.31861990 – 2020
Mauritania0.31871990 – 2020
Faroe Islands0.11881990 – 2020
Libya0.11891990 – 2020
Egypt01901990 – 2020
Gibraltar01911990 – 2020
Monaco01921990 – 2020
Oman01931990 – 2020
Qatar01941990 – 2020

When it comes to the sheer number of trees per country, Russia is ahead with 642 billion trees:

CountryTotal Number of Trees
Russia642 billion
Canada318 billion
Brazil302 billion
US228 billion
China140 billion
Democratic Republic of Congo101 billion
Indonesia81 billion
Australia77 billion
Rest of the World1990 billion

The countries with the highest density of trees per square kilometer are as follows:5

Graph that shows the number of trees per square kilometer.

CountryTrees Per Square Kilometer
Finland72,644
Sweden69,161
Slovenia71,131
Taiwan62,975
French Guiana60,326
Equatorial Guinea61,791

What Country Has No Trees?

It is strange to imagine, but there are places in the world with no trees.

What country has no trees? There are in fact several countries with less than a percent of forest cover, with some on 0%.6

CountryPercentage of Forested Land
Monaco0%
Nauru0%
Qatar0%
Oman0%
Egypt0%
Libya0%
Djibouti0%
Mauritania0%
Kuwait0%
Saudi Arabia1%
Iceland1%
Algeria1%
Bahrain1%
Niger1%
Yemen1%
Jordan1%
Lesotho1%
Kazakhstan1%
Malta1%
Kiribati2%
Palestine2%
Afghanistan2%
Iraq2%
Maldives3%
Wide angle image of a desert with a few trees and rocky mountains.

(Image: robincx17)

CountryPercentage of Forested Land
Syria3%
Tajikistan3%
Chad4%
United Arab Emirates5%
Tunisia5%
Pakistan5%
Kenya6%
Israel7%
Iran7%
Kyrgyzstan7%
Namibia8%
Uzbekistan8%
Turkmenistan9%
Mongolia9%
Ivory Coast10%
Somalia10%
Sudan10%
Eritrea11%
Argentina11%
Burundi11%
Mali11%
Netherlands11%
Rwanda11%
Cabo Verde11%
Ireland11%
South Sudan11%
Wide angle image of a few dead trees in a desert.

(Image: BelaMarie18)

How Many Leaves Are in the World?

The question, of how many leaves are in the world, is a difficult one to answer. The simple answer is that there are billions of leaves on Earth, and these leaves come in a host of different sizes and shapes.

There are, however, only three primary leaf types:

  • Needle-like leaves (coniferous trees)
  • Simple leaves (oak, maple, mango trees, etc.)
  • Compound leaves (deciduous trees)

Leaf shapes are essential in identifying different tree and plant species. The different leaf shapes are as follows:

Leaf ShapeCharacteristics
Leaf shape: LinearLinear leaves are basic simple leaves. These leaves have no divisions and are typically long and slim. Grass is the most common example of a plant with linear leaves.
Leaf shape: OvateOvate leaves have a broad base and taper towards the apex. Ovate leaves are commonly found on dogwood trees and elm trees.
Leaf shape: EllipticalElliptical leaves have an ellipse shape and uneven sides. Some elliptical leaves have rounded edges at the top, and they are often confused with oblong leaves. Blackgum trees have elliptical leaves.
Leaf shape: OblongOblong leaves have two rounded ends and parallel sides. The sides of the leaves are longer than the ends, and these leaves are found on apple trees and boxwood trees.
Leaf shape: CordateCordate leaves are heart-shaped, with deep indents. They are commonly found on Eastern Redbud trees.
Leaf shape: LanceolateLanceolate leaves are long, with a lance-like tip. They belong to the simple leaves category and are mostly found on willow tree.
Leaf shape: AcicularAcicular leaves are commonly known as needle-like leaves. These types of leaves are found on most conifer trees.
Leaf shape: ReniformReniform leaves are kidney-shaped and have similar sizing to cordate leaves. These leaves are found on Carolina Basswood tree.
Leaf shape: OrbicularOrbicular leaves are round with jagged edges and are usually found on Quaking Aspen trees.
Leaf shape: SagittateSagittate leaves have a distinct look and resemble arrowheads. They are not usually seen on trees, but on aquatic and vining plants instead.
Leaf shape: LyrateLyrate leaves are lyre-shaped with a broad base and wider top. These leaves can be seen on Overcup Oak trees.
Leaf shape: SpatulateSpatulate leaves have a spatula shape and start out thin at the base, widening at the top.
Leaf shape: ObliqueOblique leaves have an unequal base; one side being wider than the other.
Leaf shape: CuneateCuneate leaves have a wedge shape at the bottom and are mostly found on White Oak trees and Star Magnolia tree.7

How Many Leaves Are in the World?: Which Trees Have the Most Leaves?

Part of the question, how many leaves are in the world, is the common question, which trees have the most leaves?

In general, a healthy tree can grow around 200,000 leaves, of which 3,600 pounds are shed during the tree’s lifespan.

Graph that shows the countries with most trees per person.

Using a tree leaf calculator makes it easy to calculate an estimated amount of leaves for any given tree.

Such a calculator requires the following steps to create a calculation:

  • Cover a paper plate with leaves from the relevant tree. There should be no gaps and the leaves should not overlap.
  • The leaves should be counted (and should include large and small leaves)
  • Then, the diameter of the paper plate should be measured.
  • Therefore: the number of leaves on the plate/area of plate equals area density.
  • Furthermore, the diameter of the tree crown projection on the ground below should be measured.
  • Therefore: the area density x area underneath the crown equals the number of leaves beneath the tree crown.
  • To determine more than one layer of leaves, i.e. the leaves that overlap inside the tree crown, the Leaf Area Index can be used. The Leaf Area Index refers to the total area of leaves that are related to the surface of the ground within a determined area
    The average LAI is 4.7.
  • Therefore: LAI x number of leaves beneath the crown equals total number of leaves.8

How Many Leaves Does an Apple Tree Have?

So, how many leaves does an apple tree have?

Apple trees require 10 mature leaves to support one apple. As an example, if an apple tree had 500 apples, it would need to have 5000 leaves. The fruit-to-leaf ratio is obtained by nitrogen fertilizer applied annually.

How Many Leaves Do Adult Maple Trees Have?

How many leaves do adult maple trees have?

Mature maple trees that have a trunk of 1 meter in diameter usually have around 100,000 healthy leaves during the summer.

Read More About: 16 Types of Maple Trees (Pictures): Identification Guide (Chart)

How Many Leaves Does an Oak Tree Have?

How many leaves does an oak tree have?

In comparison with maple tree, an oak tree can have around 700,000 leaves during summer.

Types of Oak Trees By Leaf

The below table highlights the types of oak trees by leaf:

Type of Oak TreeLeaf Characteristics
Pin Oak (Red Oak variety)Shiny, green leaves with deep lobes and pointed tips. The lobes are jagged.
Water Oak (Red Oak variety)Oblong leaves, or three-lobed leaves with bristles at the tips.
Black Oak (Red Oak variety)Dark green, glossy leaves with deep notches and pointy lobes.
Cherrybark Oak (Red Oak variety)Haphazardly lobed leaves with hair on the underside.
Northern Red Oak (Red Oak variety)Dark green leaves with lobes and jagged edges at the tips.

(Cherrybark Oak Image: By Nonbinary-Naturalist19)

Type of Oak TreeLeaf Characteristics
Scarlet Oak (Red Oak variety)Deep lobes and sinuses shaped like the letter C. The edges are topped with bristled teeth.
Southern Red Oak (Red Oak variety)Slender leaves with deep lobes and large gaps between the lobes.
Japanese Evergreen Oak (Red Oak variety)Ovate leaves with round tips and long points.
Laurel Oak (Red Oak variety)Small diamond-shaped leaves, with occasional lobes.
Willow Oak (Red Oak variety)Narrow, lanceolate leaves with pointed tips and no lobes.

(Japanese Evergreen Oak Image: 岸本年郎20 and Laurel Oak Image: By natalie21)

Type of Oak TreeLeaf Characteristics
California Live Oak (Red Oak variety)Thick, oval leaves with spines around the margins.
Shumard Oak (Red Oak variety)Leaves with pointed lobes and bristles at the tips. These leaves turn a brilliant shade of red during the fall.
Turkey Oak (Red Oak variety)These leaves resemble a turkey foot and have three distinct lobes.
Eastern White Oak (White Oak variety)Ovate leaves with distinct lobes and round tips.
English Oak (White Oak variety)Small, round leaves, with no jagged edges.

Type of Oak TreeLeaf Characteristics
Post-Oak (White Oak variety)The shape of these leaves resembles the Maltese cross.
Bur Oak (White Oak variety)Large leaves with tiny lobes and a round apex.
Sand Post Oak (White Oak variety)Leaves with deep lobes, and round tips.
Oregon White Oak (White Oak variety)Shiny green leaves with lobes and round tips.
Sessile Oak (White Oak variety)Slightly lobed leaves with jagged edges.

(Sand Post Oak and Overcup Oak Image: By Alan Weakley22,23)

Type of Oak TreeLeaf Characteristics
Chestnut Oak (White Oak variety)Leaves cluster together and have V-shaped veins and bristled edges.
Holm Oak (White Oak variety)Shiny oblong or lanceolate leaves with no lobes.
Chinkapin Oak (White Oak variety)Chinkapin leaves resemble chestnut leaves but have sharper teeth and no bristles.
Live Oak (White Oak variety)Elliptical, thick, dark green leaves with hairs on the underside.
Swamp White Oak (White Oak variety)Ovate leaves with tapered ends and up to seven lobes.

(Dwarf Chinquapin Oak Image: By Allan Harris24)

Type of Oak TreeLeaf Characteristics
Gambel Oak (White Oak variety)Oval leaves with deep lobes.
Overcup Oak (White Oak variety)Thick, green leaves with a wedge shape and up to nine lobes.
Swamp Chestnut Oak (White Oak variety)Obovate leaves with jagged margins.
Dwarf Chestnut Oak (White Oak variety)Ovate leaves with smaller lobes.
Bluejack Oak (White Oak variety)Shiny, ovate leaves with a round apex.

(Gambel Oak Image: By Robb Hannawacker25 and Bluejack Oak Image: By Daniel Estabrooks26)

Type of Oak TreeLeaf Characteristics
Bluff Oak (White Oak variety)Elliptical leaves with shallow lobes.
Chapman Oak (White Oak variety)Oblong leaves with a round apex.
Myrtle Oak (White Oak variety)Obovate leaves with no lobes.
Blue Oak (White Oak variety)Elliptical leaves, either with or without lobes.
Canyon Live Oak (White Oak variety)Lanceolate leaves with pointed tips.9

(Bluff Oak Image: By Tia Tyler27, Chapman Oak and Myrtle Oak Image: By Daniel Estabrooks28,29, and Blue Oak Image: By Joshua Zupan30)

Read More About: Oak Tree Guide: 7 Types, Colors, Leaves, Identification (How to Buy, Plant)

Dogwood Tree Leaves

Dogwood tree leaves are classified as simple leaves that grow opposite one another on tree stems. Some dogwood trees have alternate growing leaves. Most dogwood leaves are oval-shaped with smooth edges.

Birch Tree Leaves

Birch tree leaves have an egg shape, pointy tips, and jagged margins. They are classified as simple leaves and grow alternately on branches.

Cottonwood Tree Leaf

The Cottonwood tree leaf is shaped like a triangle with a base in the shape of a heart. The leaf tapers to a pointed tip and they are glossy green on top and paler at the bottom.

Read More About: Cottonwood Tree Guide: Identification of Eastern, Leaves, Seeds & More

How Many Leaves Are in the World?

The answer to the question, of how many leaves are in the world (billions) also includes different leaf sizes.

What Is the Smallest Leaf?

What is the smallest leaf in the world?

The smallest leaf in the world belongs to the aquatic plant, the Wolffia flower. This plant also grows the world’s smallest fruit.

What Is the Biggest Leaf?

What is the biggest leaf in the world?

The Raphia genus boasts the biggest leaves in the world, with leaves growing up to 80 feet in length and 10 feet wide.

What Is the Longest Leaf?

What is the longest leaf in the world?

The Raphia leaf takes the honors here too.

Are There More Leaves or Blades of Grass in the World?

The question, how many leaves are in the world, gives rise to an interesting debate: Are there more leaves or blades of grass in the world?

Some experts believe that there are more leaves than grass in the world, while others believe the opposite.

However, some are of the opinion that very technically speaking, grass blades can be classified as leaves so there cannot be a comparison.

How Many Trees Get Cut Down a Day?

The number of leaves in the world is continuously changing, considering the vast amount of trees that are cut down every day. So, exactly how many trees get cut down a day?

It is estimated that around 42 million trees are cut down every single day.

How Many Trees Get Cut Down a Year?

How many trees get cut down a year?

An estimated total of 15 billion trees are cut down every year.

When calculating how many leaves are in the world, the number of trees removed over the last 100 years should factor into the calculation: 3.9 billion.

Frequently Asked Questions About How Many Leaves Are in the World

How Many Leaves Are in the World?

There is no definitive answer to how many leaves are in the world, because leaves drop and grow again around the world all the time. At any given time, there are billions of leaves in the world.

What Is the Average Number of Leaves?

To calculate the average number of leaves, count the number of leaves on a single twig and estimate the number of twigs on a single branch, as well as the number of branches. Multiplying these numbers will provide an estimated total number of leaves.

How Many Leaves Are on a Tree?

A healthy tree has around 200,000 leaves.

How Many Trees Are in the World?

There are an estimated 3.04 trillion trees in the world.

What Is Plum Leaf?

Plum leaves are simple, alternate, and have pointy tips and jagged edges.

Where To Find an Identification Dogwood Tree Leaves?

Click the link for a complete dogwood tree leaves identification chart.

Why Are Dogwood Tree Leaves Curling?

Dogwood tree leaves curl because of stress caused by sun scorch, disease, and pests.

Why Are Tree Not Growing Leaves in Spring?

Trees that do not grow leaves in spring, might have an underlying health issue that needs correction by a trained arborist.

What Does No Leaves on Tree Mean?

No leaves on a tree may mean that it is dormant or that it is suffering from stress due to disease or pests.

Read More About How many Leaves Are in the World

References

1Nix, S. (n.d.). Understanding How the Earth’s First Forests Developed. Treehugger. Retrieved from <https://www.treehugger.com/evolution-of-forests-and-trees-1342664>

2Bolkin, K. (2021, April 20). A Brief History of Trees – TreesCharlotte. Trees Charlotte. Retrieved from <https://treescharlotte.org/tree-education/a-brief-history-of-trees/>

3McInerney, B. (2022, November 17). How Many Trees Are in The World? (2022 New data). GoTreeQuotes. Retrieved from <https://www.gotreequotes.com/how-many-trees-in-world/>

4TheGlobalEconomy.com. (n.d.). Forest area, percent by country, around the world. TheGlobalEconomy.com. Retrieved from <https://www.theglobaleconomy.com/rankings/forest_area/>

5McInerney, B. (2022, November 17). How Many Trees Are in The World? (2022 New data). GoTreeQuotes. Retrieved from <https://www.gotreequotes.com/how-many-trees-in-world/>

6World Atlas. (n.d.). The Least Forested Countries In The World – WorldAtlas. World Atlas. Retrieved from <https://www.worldatlas.com/articles/the-least-forested-countries-in-the-world.html>

7Readman, A. (2022, August 30). Complete Guide To Different Types of Leaves with Pictures and Leaf Names. Outforia. Retrieved from <https://outforia.com/types-of-leaves/>

8Omni Calculator. (2022, November 24). Tree Leaves Calculator | How Many Leaves Are on a Tree? Omni Calculator. Retrieved from <https://www.omnicalculator.com/biology/tree-leaves#how-many-leaves-are-on-a-tree>

9Leafy Place. (2022, November 16). 35 Types of Oak Trees with Their Bark and Leaves – Identification Guide. Leafy Place. Retrieved from <https://leafyplace.com/oak-tree-types-bark-leaves/>

10renewagner1985. Pixabay. Retrieved from <https://pixabay.com/sv/photos/skog-stammar-tr%c3%a4d-1674432/>

11kmarius. Pixabay. Retrieved from <https://pixabay.com/sv/photos/skog-tr%c3%a4d-gr%c3%a4s-natur-morgon-5440392/>

12louannenicely. Pixabay. Retrieved from <https://pixabay.com/sv/photos/tr%c3%a4d-utomhus-sk%c3%b6n-sommar-skog-l%c3%b6v-399028/>

13Dreamside. Pixabay. Retrieved from <https://pixabay.com/sv/photos/skog-natur-tr%c3%a4d-sten-stenar-gr%c3%b6n-4857214/>

14Anrita1705. Pixabay. Retrieved from <https://pixabay.com/sv/photos/vinterparadis-sn%c3%b6-t%c3%a4ckt-av-sn%c3%b6-5895455/>

15srkcalifano. Pixabay. Retrieved from <https://pixabay.com/sv/photos/utah-natur-landskap-utomhus-4786122/>

16GeorgeB2. Pixabay. Retrieved from <https://pixabay.com/sv/photos/fj%c3%a4ll-vandring-sn%c3%b6-utah-bl%c3%a5-himmel-4841711/>

17robincx. Pixabay. Retrieved from <https://pixabay.com/sv/photos/joshua-tree-%c3%b6ken-joshua-tr%c3%a4d-1264748/>

18BelaMarie. Pixabay. Retrieved from <https://pixabay.com/sv/photos/tr%c3%a4d-%c3%b6ken-sand-dyn-landskap-718276/>

19Cherrybark Oak (Quercus pagoda) Photo By Nonbinary-Naturalist / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 8, 2024, from <https://www.inaturalist.org/photos/133463515>

20Japanese Evergreen Oak (Quercus acuta) Photo by 岸本年郎 (kishimoto_toshio) / CC BY 4.0 DEED | Attribution 4.0 International. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/353977306>

21Swamp Laurel Oak (Quercus laurifolia) Photo By natalie (nat_t) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/353485200>

22Sand Post Oak (Quercus margaretiae) Photo By Alan Weakley (whiteoak) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/86678115>

23Overcup Oak (Quercus lyrata) Photo By Alan Weakley (whiteoak) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/193272277>

24Dwarf Chinkapin Oak (Quercus prinoides) Photo By Allan Harris (allan7) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist Canada. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/61135056>

25Gambel Oak (Quercus gambelii) Photo By Robb Hannawacker (hannawacker) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/3072659>

26Bluejack Oak (Quercus incana) Photo By Daniel Estabrooks (daniel_e) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/64621531>

27Bluff Oak (Quercus austrina) Photo By Tia Tyler (tiatyler) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/56643418>

28Chapman’s Oak (Quercus chapmanii) Photo By Daniel Estabrooks (daniel_e) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/67052710>

29Myrtle Oak (Quercus myrtifolia) Photo By Daniel Estabrooks (daniel_e) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/64139075>

30Blue Oak (Quercus douglasii) Photo By Joshua Zupan (jzupan) / CC0 1.0 DEED | CC0 1.0 Universal. Cropped, Resized, Changed Format. iNaturalist. Retrieved March 7, 2024, from <https://www.inaturalist.org/photos/252494093>