There are 161 trees that start with the letter A, from Abama australis to Artemisia tridentata. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the trees belongs to
Habitat: The places or type of weather the trees lives in
Scientific name: The designation that scientists use to catalog the species
Name: Abama australis
Order: Asparagales
Habitat: Australia
Scientific name: Abama australis
Name: Abarema jupunba
Order: Fabales
Habitat: Central and South America
Scientific name: Abarema jupunba
Name: Abatia parviflora
Order: Malpighiales
Habitat: Central and South America
Scientific name: Abatia parviflora
Name: Abies alba
Order: Pinales
Habitat: Europe, North Africa, Asia Minor
Scientific name: Abies alba
Name: Abies amabilis
Order: Pinales
Habitat: Western North America
Scientific name: Abies amabilis
Name: Abies balsamea
Order: Pinales
Habitat: Eastern North America
Scientific name: Abies balsamea
Name: Abies beshanzuensis
Order: Pinales
Habitat: China
Scientific name: Abies beshanzuensis
Name: Abies borisii-regis
Order: Pinales
Habitat: Southeastern Europe
Scientific name: Abies borisii-regis
Name: Abies bracteata
Order: Pinales
Habitat: Central California
Scientific name: Abies bracteata
Name: Abies cephalonica
Order: Pinales
Habitat: Greece
Scientific name: Abies cephalonica
Name: Abies chensiensis
Order: Pinales
Habitat: China
Scientific name: Abies chensiensis
Name: Abies concolor
Order: Pinales
Habitat: Western North America
Scientific name: Abies concolor
Name: Abies delavayi
Order: Pinales
Habitat: China
Scientific name: Abies delavayi
Name: Abies durangensis
Order: Pinales
Habitat: Mexico
Scientific name: Abies durangensis
Name: Abies fabri
Order: Pinales
Habitat: China
Scientific name: Abies fabri
Name: Abies fargesii
Order: Pinales
Habitat: China
Scientific name: Abies fargesii
Name: Abies faxoniana
Order: Pinales
Habitat: China
Scientific name: Abies faxoniana
Name: Abies firma
Order: Pinales
Habitat: Japan
Scientific name: Abies firma
Name: Abies fraseri
Order: Pinales
Habitat: Eastern North America
Scientific name: Abies fraseri
Name: Abies georgei
Order: Pinales
Habitat: China
Scientific name: Abies georgei
Name: Abies grandis
Order: Pinales
Habitat: Western North America
Scientific name: Abies grandis
Name: Abies guatemalensis
Order: Pinales
Habitat: Central America
Scientific name: Abies guatemalensis
Name: Abies homolepis
Order: Pinales
Habitat: Japan
Scientific name: Abies homolepis
Name: Abies jaspidea
Order: Pinales
Habitat: China
Scientific name: Abies jaspidea
Name: Abies koreana
Order: Pinales
Habitat: Korea
Scientific name: Abies koreana
Name: Abies lasiocarpa
Order: Pinales
Habitat: Western North America
Scientific name: Abies lasiocarpa
Name: Abies magnifica
Order: Pinales
Habitat: Western North America
Scientific name: Abies magnifica
Name: Abies mariesii
Order: Pinales
Habitat: Japan
Scientific name: Abies mariesii
Name: Abies nephrolepis
Order: Pinales
Habitat: Russia
Scientific name: Abies nephrolepis
Name: Abies nordmanniana
Order: Pinales
Habitat: Caucasus Mountains
Scientific name: Abies nordmanniana
Name: Abies numidica
Order: Pinales
Habitat: Algeria
Scientific name: Abies numidica
Name: Abies pindrow
Order: Pinales
Habitat: Himalayas
Scientific name: Abies pindrow
Name: Abies pinsapo
Order: Pinales
Habitat: Spain
Scientific name: Abies pinsapo
Name: Abies procera
Order: Pinales
Habitat: Western North America
Scientific name: Abies procera
Name: Abies religiosa
Order: Pinales
Habitat: Mexico
Scientific name: Abies religiosa
Name: Abies sachalinensis
Order: Pinales
Habitat: Japan
Scientific name: Abies sachalinensis
Name: Abies semenovii
Order: Pinales
Habitat: Kyrgyzstan
Scientific name: Abies semenovii
Name: Abies sibirica
Order: Pinales
Habitat: Siberia
Scientific name: Abies sibirica
Name: Abies veitchii
Order: Pinales
Habitat: Japan
Scientific name: Abies veitchii
Name: Abrus precatorius
Order: Fabales
Habitat: Tropics worldwide
Scientific name: Abrus precatorius
Name: Acacia adunca
Order: Fabales
Habitat: Australia
Scientific name: Acacia adunca
Name: Acacia albicans
Order: Fabales
Habitat: Northwestern Mexico
Scientific name: Acacia albicans
Name: Acacia ampliceps
Order: Fabales
Habitat: Australia
Scientific name: Acacia ampliceps
Name: Acacia ancistrocarpa
Order: Fabales
Habitat: Australia
Scientific name: Acacia ancistrocarpa
Name: Acacia anegada
Order: Fabales
Habitat: Australia
Scientific name: Acacia anegada
Name: Acacia aneura
Order: Fabales
Habitat: Central Australia
Scientific name: Acacia aneura
Name: Acacia argyrodendron
Order: Fabales
Habitat: Australia
Scientific name: Acacia argyrodendron
Name: Acacia argyrophylla
Order: Fabales
Habitat: Southeastern Australia
Scientific name: Acacia argyrophylla
Name: Acacia aulacocarpa
Order: Fabales
Habitat: Northeastern Australia
Scientific name: Acacia aulacocarpa
Name: Acacia baileyana
Order: Fabales
Habitat: Forests in southeast Australia
Scientific name: Acacia baileyana
Name: Acacia brachybotrya
Order: Fabales
Habitat: Southern Australia
Scientific name: Acacia brachybotrya
Name: Acacia calamifolia
Order: Fabales
Habitat: Southern Australia
Scientific name: Acacia calamifolia
Name: Acacia cardiophylla
Order: Fabales
Habitat: Southwestern Western Australia
Scientific name: Acacia cardiophylla
Name: Acacia catechu
Order: Fabales
Habitat: India and Southeast Asia
Scientific name: Acacia catechu
Name: Acacia caven
Order: Fabales
Habitat: Chile and Argentina
Scientific name: Acacia caven
Name: Acacia chisholmii
Order: Fabales
Habitat: Australia
Scientific name: Acacia chisholmii
Name: Acacia cincinnata
Order: Fabales
Habitat: Australia
Scientific name: Acacia cincinnata
Name: Acacia cognata
Order: Fabales
Habitat: Australia
Scientific name: Acacia cognata
Name: Acacia concurrens
Order: Fabales
Habitat: Australia
Scientific name: Acacia concurrens
Name: Acacia cultriformis
Order: Fabales
Habitat: Australia
Scientific name: Acacia cultriformis
Name: Acacia cupularis
Order: Fabales
Habitat: Australia
Scientific name: Acacia cupularis
Name: Acacia dangarensis
Order: Fabales
Habitat: Australia
Scientific name: Acacia dangarensis
Name: Acacia dealbata
Order: Fabales
Habitat: Forests and woodlands in Australia
Scientific name: Acacia dealbata
Name: Acacia deanei
Order: Fabales
Habitat: Australia
Scientific name: Acacia deanei
Name: Acacia decurrens
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia decurrens
Name: Acacia doratoxylon
Order: Fabales
Habitat: Australia
Scientific name: Acacia doratoxylon
Name: Acacia erioloba
Order: Fabales
Habitat: Southern Africa
Scientific name: Acacia erioloba
Name: Acacia excelsior
Order: Fabales
Habitat: Australia
Scientific name: Acacia excelsior
Name: Acacia fimbriata
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia fimbriata
Name: Acacia flavescens
Order: Fabales
Habitat: Australia
Scientific name: Acacia flavescens
Name: Acacia floribunda
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia floribunda
Name: Acacia glaucoptera
Order: Fabales
Habitat: Deserts and semi-arid regions in Australia
Scientific name: Acacia glaucoptera
Name: Acacia holosericea
Order: Fabales
Habitat: Woodlands and shrublands in northern Australia
Scientific name: Acacia holosericea
Name: Acacia implexa
Order: Fabales
Habitat: Forests and woodlands in eastern Australia
Scientific name: Acacia implexa
Name: Acacia irrorata
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia irrorata
Name: Acacia karroo
Order: Fabales
Habitat: Southern Africa
Scientific name: Acacia karroo
Name: Acacia leprosa
Order: Fabales
Habitat: Forests in southeastern Australia
Scientific name: Acacia leprosa
Name: Acacia longifolia
Order: Fabales
Habitat: Coastal regions in eastern Australia
Scientific name: Acacia longifolia
Name: Acacia mearnsii
Order: Fabales
Habitat: Forests in southeastern Australia
Scientific name: Acacia mearnsii
Name: Acacia melanoxylon
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia melanoxylon
Name: Acacia nottii
Order: Fabales
Habitat: Deserts in central Australia
Scientific name: Acacia nottii
Name: Acacia oswaldii
Order: Fabales
Habitat: Arid and semi-arid regions in Australia
Scientific name: Acacia oswaldii
Name: Acacia penninervis
Order: Fabales
Habitat: Forests in eastern Australia
Scientific name: Acacia penninervis
Name: Acacia pycnantha
Order: Fabales
Habitat: Woodlands and scrublands in southern Australia
Scientific name: Acacia pycnantha
Name: Acacia retinodes
Order: Fabales
Habitat: Coastal regions in southeastern Australia
Scientific name: Acacia retinodes
Name: Acacia salicina
Order: Fabales
Habitat: Deserts and semi-arid regions in Australia
Scientific name: Acacia salicina
Name: Acacia saligna
Order: Fabales
Habitat: Coastal regions in southwestern Australia
Scientific name: Acacia saligna
Name: Acacia sophorae
Order: Fabales
Habitat: Coastal regions in southeastern Australia
Scientific name: Acacia sophorae
Name: Acacia stricta
Order: Fabales
Habitat: Forests in southeastern Australia
Scientific name: Acacia stricta
Name: Acacia suaveolens
Order: Fabales
Habitat: Coastal regions in eastern Australia
Scientific name: Acacia suaveolens
Name: Acacia ulicifolia
Order: Fabales
Habitat: Forests and heathlands in eastern Australia
Scientific name: Acacia ulicifolia
Name: Acacia verliciflora
Order: Fabales
Habitat: Deserts and semi-arid regions in central Australia
Scientific name: Acacia verliciflora
Name: Acanthus mollis
Order: Lamiales
Habitat: Mediterranean regions in Europe
Scientific name: Acanthus mollis
Name: Acanthus spinosus
Order: Lamiales
Habitat: Mediterranean region
Scientific name: Acanthus spinosus
Name: Acer barbatum
Order: Sapindales
Habitat: Southeastern United States
Scientific name: Acer barbatum
Name: Acer buergeranum
Order: Sapindales
Habitat: China
Scientific name: Acer buergeranum
Name: Acer buergerianum
Order: Sapindales
Habitat: Japan
Scientific name: Acer buergerianum
Name: Acer caesium
Order: Sapindales
Habitat: Himalayas
Scientific name: Acer caesium
Name: Acer campestre
Order: Sapindales
Habitat: Forests in Europe
Scientific name: Acer campestre
Name: Acer cappadocicum
Order: Sapindales
Habitat: Central Asia
Scientific name: Acer cappadocicum
Name: Acer carpinifolium
Order: Sapindales
Habitat: Japan
Scientific name: Acer carpinifolium
Name: Acer circinatum
Order: Sapindales
Habitat: Forests in western North America
Scientific name: Acer circinatum
Name: Acer davidii
Order: Sapindales
Habitat: China
Scientific name: Acer davidii
Name: Acer floridanum
Order: Sapindales
Habitat: Southeastern United States
Scientific name: Acer floridanum
Name: Acer glabrum
Order: Sapindales
Habitat: Western North America
Scientific name: Acer glabrum
Name: Acer grandidentatum
Order: Sapindales
Habitat: Western North America
Scientific name: Acer grandidentatum
Name: Acer griseum
Order: Sapindales
Habitat: Forests in central China
Scientific name: Acer griseum
Name: Acer hersii
Order: Sapindales
Habitat: China
Scientific name: Acer hersii
Name: Acer japonicum
Order: Sapindales
Habitat: Forests in Japan
Scientific name: Acer japonicum
Name: Acer leucoderme
Order: Sapindales
Habitat: Southeastern United States
Scientific name: Acer leucoderme
Name: Acer macrophyllum
Order: Sapindales
Habitat: Forests in western North America
Scientific name: Acer macrophyllum
Name: Acer negundo
Order: Sapindales
Habitat: Riparian forests in North America
Scientific name: Acer negundo
Name: Acer palmatum
Order: Sapindales
Habitat: Forests in Japan and Korea
Scientific name: Acer palmatum
Name: Acer pensylvanicum
Order: Sapindales
Habitat: Forests in eastern North America
Scientific name: Acer pensylvanicum
Name: Acer platanoides
Order: Sapindales
Habitat: Forests in Europe
Scientific name: Acer platanoides
Name: Acer pseudoplatanus
Order: Sapindales
Habitat: Forests in Europe
Scientific name: Acer pseudoplatanus
Name: Acer rubrum
Order: Sapindales
Habitat: Eastern North America
Scientific name: Acer rubrum
Name: Acer saccharinum
Order: Sapindales
Habitat: Eastern North America
Scientific name: Acer saccharinum
Name: Acer saccharum
Order: Sapindales
Habitat: Eastern North America
Scientific name: Acer saccharum
Name: Acer spicatum
Order: Sapindales
Habitat: Northeastern North America
Scientific name: Acer spicatum
Name: Aesculus californica
Order: Sapindales
Habitat: California
Scientific name: Aesculus californica
Name: Aesculus glabra
Order: Sapindales
Habitat: Eastern North America
Scientific name: Aesculus glabra
Name: Aesculus hippocastanum
Order: Sapindales
Habitat: Southeastern Europe
Scientific name: Aesculus hippocastanum
Name: Aesculus pavia
Order: Sapindales
Habitat: Southeastern United States
Scientific name: Aesculus pavia
Name: Ailanthus altissima
Order: Sapindales
Habitat: Asia
Scientific name: Ailanthus altissima
Name: Albizia julibrissin
Order: Fabales
Habitat: Asia
Scientific name: Albizia julibrissin
Name: Albizia lebbeck
Order: Fabales
Habitat: Asia and Africa
Scientific name: Albizia lebbeck
Name: Alnus cordata
Order: Fagales
Habitat: Southern Europe
Scientific name: Alnus cordata
Name: Alnus glutinosa
Order: Fagales
Habitat: Europe and Western Asia
Scientific name: Alnus glutinosa
Name: Alnus incana
Order: Fagales
Habitat: Northern Hemisphere
Scientific name: Alnus incana
Name: Alnus japonica
Order: Fagales
Habitat: Asia
Scientific name: Alnus japonica
Name: Alnus maritima
Order: Fagales
Habitat: Eastern North America
Scientific name: Alnus maritima
Name: Alnus oblongifolia
Order: Fagales
Habitat: Western North America
Scientific name: Alnus oblongifolia
Name: Alnus rhombifolia
Order: Fagales
Habitat: Western North America
Scientific name: Alnus rhombifolia
Name: Alnus rubra
Order: Fagales
Habitat: Western North America
Scientific name: Alnus rubra
Name: Alnus serrulata
Order: Fagales
Habitat: Eastern North America
Scientific name: Alnus serrulata
Name: Amelanchier arborea
Order: Rosales
Habitat: Eastern North America
Scientific name: Amelanchier arborea
Name: Amelanchier canadensis
Order: Rosales
Habitat: Eastern North America
Scientific name: Amelanchier canadensis
Name: Amelanchier laevis
Order: Rosales
Habitat: Eastern North America
Scientific name: Amelanchier laevis
Name: Amelanchier utahensis
Order: Rosales
Habitat: Western North America
Scientific name: Amelanchier utahensis
Name: Amyris elemifera
Order: Sapindales
Habitat: Caribbean and Florida
Scientific name: Amyris elemifera
Name: Andira inermis
Order: Fabales
Habitat: Central and South America
Scientific name: Andira inermis
Name: Angophora costata
Order: Myrtales
Habitat: Eastern Australia
Scientific name: Angophora costata
Name: Annona glabra
Order: Magnoliales
Habitat: Southeastern United States and Central America
Scientific name: Annona glabra
Name: Annona muricata
Order: Magnoliales
Habitat: Tropical America
Scientific name: Annona muricata
Name: Annona reticulata
Order: Magnoliales
Habitat: Tropical America
Scientific name: Annona reticulata
Name: Annona squamosa
Order: Magnoliales
Habitat: Tropical America
Scientific name: Annona squamosa
Name: Ansonia robusta
Order: Sapindales
Habitat: Southeast Asia
Scientific name: Ansonia robusta
Name: Ansonia speciosa
Order: Sapindales
Habitat: Southeast Asia
Scientific name: Ansonia speciosa
Name: Antiaris toxicaria
Order: Rosales
Habitat: Africa and Asia
Scientific name: Antiaris toxicaria
Name: Apodytes dimidiata
Order: Apiales
Habitat: Africa
Scientific name: Apodytes dimidiata
Name: Arbutus arizonica
Order: Ericales
Habitat: Southwestern United States and Mexico
Scientific name: Arbutus arizonica
Name: Arbutus menziesii
Order: Ericales
Habitat: Western North America
Scientific name: Arbutus menziesii
Name: Arbutus unedo
Order: Ericales
Habitat: Mediterranean region
Scientific name: Arbutus unedo
Name: Arbutus xalapensis
Order: Ericales
Habitat: Mexico and Central America
Scientific name: Arbutus xalapensis
Name: Archontophoenix alexandrae
Order: Arecales
Habitat: Australia
Scientific name: Archontophoenix alexandrae
Name: Archontophoenix cunninghamiana
Order: Arecales
Habitat: Australia
Scientific name: Archontophoenix cunninghamiana
Name: Aristolochia arborea
Order: Piperales
Habitat: Central and South America
Scientific name: Aristolochia arborea
Name: Aristolochia grandiflora
Order: Piperales
Habitat: Central and South America
Scientific name: Aristolochia grandiflora
Name: Aristolochia trilobata
Order: Piperales
Habitat: Central and South America
Scientific name: Aristolochia trilobata
Name: Artemisia tridentata
Order: Asterales
Habitat: Western North America
Scientific name: Artemisia tridentata
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Abama australis | Asparagales | Australia | Abama australis |
| Abarema jupunba | Fabales | Central and South America | Abarema jupunba |
| Abatia parviflora | Malpighiales | Central and South America | Abatia parviflora |
| Abies alba | Pinales | Europe, North Africa, Asia Minor | Abies alba |
| Abies amabilis | Pinales | Western North America | Abies amabilis |
| Abies balsamea | Pinales | Eastern North America | Abies balsamea |
| Abies beshanzuensis | Pinales | China | Abies beshanzuensis |
| Abies borisii-regis | Pinales | Southeastern Europe | Abies borisii-regis |
| Abies bracteata | Pinales | Central California | Abies bracteata |
| Abies cephalonica | Pinales | Greece | Abies cephalonica |
| Abies chensiensis | Pinales | China | Abies chensiensis |
| Abies concolor | Pinales | Western North America | Abies concolor |
| Abies delavayi | Pinales | China | Abies delavayi |
| Abies durangensis | Pinales | Mexico | Abies durangensis |
| Abies fabri | Pinales | China | Abies fabri |
| Abies fargesii | Pinales | China | Abies fargesii |
| Abies faxoniana | Pinales | China | Abies faxoniana |
| Abies firma | Pinales | Japan | Abies firma |
| Abies fraseri | Pinales | Eastern North America | Abies fraseri |
| Abies georgei | Pinales | China | Abies georgei |
| Abies grandis | Pinales | Western North America | Abies grandis |
| Abies guatemalensis | Pinales | Central America | Abies guatemalensis |
| Abies homolepis | Pinales | Japan | Abies homolepis |
| Abies jaspidea | Pinales | China | Abies jaspidea |
| Abies koreana | Pinales | Korea | Abies koreana |
| Abies lasiocarpa | Pinales | Western North America | Abies lasiocarpa |
| Abies magnifica | Pinales | Western North America | Abies magnifica |
| Abies mariesii | Pinales | Japan | Abies mariesii |
| Abies nephrolepis | Pinales | Russia | Abies nephrolepis |
| Abies nordmanniana | Pinales | Caucasus Mountains | Abies nordmanniana |
| Abies numidica | Pinales | Algeria | Abies numidica |
| Abies pindrow | Pinales | Himalayas | Abies pindrow |
| Abies pinsapo | Pinales | Spain | Abies pinsapo |
| Abies procera | Pinales | Western North America | Abies procera |
| Abies religiosa | Pinales | Mexico | Abies religiosa |
| Abies sachalinensis | Pinales | Japan | Abies sachalinensis |
| Abies semenovii | Pinales | Kyrgyzstan | Abies semenovii |
| Abies sibirica | Pinales | Siberia | Abies sibirica |
| Abies veitchii | Pinales | Japan | Abies veitchii |
| Abrus precatorius | Fabales | Tropics worldwide | Abrus precatorius |
| Acacia adunca | Fabales | Australia | Acacia adunca |
| Acacia albicans | Fabales | Northwestern Mexico | Acacia albicans |
| Acacia ampliceps | Fabales | Australia | Acacia ampliceps |
| Acacia ancistrocarpa | Fabales | Australia | Acacia ancistrocarpa |
| Acacia anegada | Fabales | Australia | Acacia anegada |
| Acacia aneura | Fabales | Central Australia | Acacia aneura |
| Acacia argyrodendron | Fabales | Australia | Acacia argyrodendron |
| Acacia argyrophylla | Fabales | Southeastern Australia | Acacia argyrophylla |
| Acacia aulacocarpa | Fabales | Northeastern Australia | Acacia aulacocarpa |
| Acacia baileyana | Fabales | Forests in southeast Australia | Acacia baileyana |
| Acacia brachybotrya | Fabales | Southern Australia | Acacia brachybotrya |
| Acacia calamifolia | Fabales | Southern Australia | Acacia calamifolia |
| Acacia cardiophylla | Fabales | Southwestern Western Australia | Acacia cardiophylla |
| Acacia catechu | Fabales | India and Southeast Asia | Acacia catechu |
| Acacia caven | Fabales | Chile and Argentina | Acacia caven |
| Acacia chisholmii | Fabales | Australia | Acacia chisholmii |
| Acacia cincinnata | Fabales | Australia | Acacia cincinnata |
| Acacia cognata | Fabales | Australia | Acacia cognata |
| Acacia concurrens | Fabales | Australia | Acacia concurrens |
| Acacia cultriformis | Fabales | Australia | Acacia cultriformis |
| Acacia cupularis | Fabales | Australia | Acacia cupularis |
| Acacia dangarensis | Fabales | Australia | Acacia dangarensis |
| Acacia dealbata | Fabales | Forests and woodlands in Australia | Acacia dealbata |
| Acacia deanei | Fabales | Australia | Acacia deanei |
| Acacia decurrens | Fabales | Forests in eastern Australia | Acacia decurrens |
| Acacia doratoxylon | Fabales | Australia | Acacia doratoxylon |
| Acacia erioloba | Fabales | Southern Africa | Acacia erioloba |
| Acacia excelsior | Fabales | Australia | Acacia excelsior |
| Acacia fimbriata | Fabales | Forests in eastern Australia | Acacia fimbriata |
| Acacia flavescens | Fabales | Australia | Acacia flavescens |
| Acacia floribunda | Fabales | Forests in eastern Australia | Acacia floribunda |
| Acacia glaucoptera | Fabales | Deserts and semi-arid regions in Australia | Acacia glaucoptera |
| Acacia holosericea | Fabales | Woodlands and shrublands in northern Australia | Acacia holosericea |
| Acacia implexa | Fabales | Forests and woodlands in eastern Australia | Acacia implexa |
| Acacia irrorata | Fabales | Forests in eastern Australia | Acacia irrorata |
| Acacia karroo | Fabales | Southern Africa | Acacia karroo |
| Acacia leprosa | Fabales | Forests in southeastern Australia | Acacia leprosa |
| Acacia longifolia | Fabales | Coastal regions in eastern Australia | Acacia longifolia |
| Acacia mearnsii | Fabales | Forests in southeastern Australia | Acacia mearnsii |
| Acacia melanoxylon | Fabales | Forests in eastern Australia | Acacia melanoxylon |
| Acacia nottii | Fabales | Deserts in central Australia | Acacia nottii |
| Acacia oswaldii | Fabales | Arid and semi-arid regions in Australia | Acacia oswaldii |
| Acacia penninervis | Fabales | Forests in eastern Australia | Acacia penninervis |
| Acacia pycnantha | Fabales | Woodlands and scrublands in southern Australia | Acacia pycnantha |
| Acacia retinodes | Fabales | Coastal regions in southeastern Australia | Acacia retinodes |
| Acacia salicina | Fabales | Deserts and semi-arid regions in Australia | Acacia salicina |
| Acacia saligna | Fabales | Coastal regions in southwestern Australia | Acacia saligna |
| Acacia sophorae | Fabales | Coastal regions in southeastern Australia | Acacia sophorae |
| Acacia stricta | Fabales | Forests in southeastern Australia | Acacia stricta |
| Acacia suaveolens | Fabales | Coastal regions in eastern Australia | Acacia suaveolens |
| Acacia ulicifolia | Fabales | Forests and heathlands in eastern Australia | Acacia ulicifolia |
| Acacia verliciflora | Fabales | Deserts and semi-arid regions in central Australia | Acacia verliciflora |
| Acanthus mollis | Lamiales | Mediterranean regions in Europe | Acanthus mollis |
| Acanthus spinosus | Lamiales | Mediterranean region | Acanthus spinosus |
| Acer barbatum | Sapindales | Southeastern United States | Acer barbatum |
| Acer buergeranum | Sapindales | China | Acer buergeranum |
| Acer buergerianum | Sapindales | Japan | Acer buergerianum |
| Acer caesium | Sapindales | Himalayas | Acer caesium |
| Acer campestre | Sapindales | Forests in Europe | Acer campestre |
| Acer cappadocicum | Sapindales | Central Asia | Acer cappadocicum |
| Acer carpinifolium | Sapindales | Japan | Acer carpinifolium |
| Acer circinatum | Sapindales | Forests in western North America | Acer circinatum |
| Acer davidii | Sapindales | China | Acer davidii |
| Acer floridanum | Sapindales | Southeastern United States | Acer floridanum |
| Acer glabrum | Sapindales | Western North America | Acer glabrum |
| Acer grandidentatum | Sapindales | Western North America | Acer grandidentatum |
| Acer griseum | Sapindales | Forests in central China | Acer griseum |
| Acer hersii | Sapindales | China | Acer hersii |
| Acer japonicum | Sapindales | Forests in Japan | Acer japonicum |
| Acer leucoderme | Sapindales | Southeastern United States | Acer leucoderme |
| Acer macrophyllum | Sapindales | Forests in western North America | Acer macrophyllum |
| Acer negundo | Sapindales | Riparian forests in North America | Acer negundo |
| Acer palmatum | Sapindales | Forests in Japan and Korea | Acer palmatum |
| Acer pensylvanicum | Sapindales | Forests in eastern North America | Acer pensylvanicum |
| Acer platanoides | Sapindales | Forests in Europe | Acer platanoides |
| Acer pseudoplatanus | Sapindales | Forests in Europe | Acer pseudoplatanus |
| Acer rubrum | Sapindales | Eastern North America | Acer rubrum |
| Acer saccharinum | Sapindales | Eastern North America | Acer saccharinum |
| Acer saccharum | Sapindales | Eastern North America | Acer saccharum |
| Acer spicatum | Sapindales | Northeastern North America | Acer spicatum |
| Aesculus californica | Sapindales | California | Aesculus californica |
| Aesculus glabra | Sapindales | Eastern North America | Aesculus glabra |
| Aesculus hippocastanum | Sapindales | Southeastern Europe | Aesculus hippocastanum |
| Aesculus pavia | Sapindales | Southeastern United States | Aesculus pavia |
| Ailanthus altissima | Sapindales | Asia | Ailanthus altissima |
| Albizia julibrissin | Fabales | Asia | Albizia julibrissin |
| Albizia lebbeck | Fabales | Asia and Africa | Albizia lebbeck |
| Alnus cordata | Fagales | Southern Europe | Alnus cordata |
| Alnus glutinosa | Fagales | Europe and Western Asia | Alnus glutinosa |
| Alnus incana | Fagales | Northern Hemisphere | Alnus incana |
| Alnus japonica | Fagales | Asia | Alnus japonica |
| Alnus maritima | Fagales | Eastern North America | Alnus maritima |
| Alnus oblongifolia | Fagales | Western North America | Alnus oblongifolia |
| Alnus rhombifolia | Fagales | Western North America | Alnus rhombifolia |
| Alnus rubra | Fagales | Western North America | Alnus rubra |
| Alnus serrulata | Fagales | Eastern North America | Alnus serrulata |
| Amelanchier arborea | Rosales | Eastern North America | Amelanchier arborea |
| Amelanchier canadensis | Rosales | Eastern North America | Amelanchier canadensis |
| Amelanchier laevis | Rosales | Eastern North America | Amelanchier laevis |
| Amelanchier utahensis | Rosales | Western North America | Amelanchier utahensis |
| Amyris elemifera | Sapindales | Caribbean and Florida | Amyris elemifera |
| Andira inermis | Fabales | Central and South America | Andira inermis |
| Angophora costata | Myrtales | Eastern Australia | Angophora costata |
| Annona glabra | Magnoliales | Southeastern United States and Central America | Annona glabra |
| Annona muricata | Magnoliales | Tropical America | Annona muricata |
| Annona reticulata | Magnoliales | Tropical America | Annona reticulata |
| Annona squamosa | Magnoliales | Tropical America | Annona squamosa |
| Ansonia robusta | Sapindales | Southeast Asia | Ansonia robusta |
| Ansonia speciosa | Sapindales | Southeast Asia | Ansonia speciosa |
| Antiaris toxicaria | Rosales | Africa and Asia | Antiaris toxicaria |
| Apodytes dimidiata | Apiales | Africa | Apodytes dimidiata |
| Arbutus arizonica | Ericales | Southwestern United States and Mexico | Arbutus arizonica |
| Arbutus menziesii | Ericales | Western North America | Arbutus menziesii |
| Arbutus unedo | Ericales | Mediterranean region | Arbutus unedo |
| Arbutus xalapensis | Ericales | Mexico and Central America | Arbutus xalapensis |
| Archontophoenix alexandrae | Arecales | Australia | Archontophoenix alexandrae |
| Archontophoenix cunninghamiana | Arecales | Australia | Archontophoenix cunninghamiana |
| Aristolochia arborea | Piperales | Central and South America | Aristolochia arborea |
| Aristolochia grandiflora | Piperales | Central and South America | Aristolochia grandiflora |
| Aristolochia trilobata | Piperales | Central and South America | Aristolochia trilobata |
| Artemisia tridentata | Asterales | Western North America | Artemisia tridentata |