Abelmoschus Abildgaardia Abrahamia Abrus Abutilon Acacia Acalypha Acampe Acanthopale Acanthospermum Acanthus Acharitea Achyranthes Achyrocalyx Achyrocline Achyrospermum Acidoton Acome Acorellus Acridocarpus Acriulus Acrocephalus Acroceras Acrostichum Actiniopteris Actinoschoenus Acustelma Adansonia Adelodypsis Adelosa Adenanthera Adenia Adenochlaena Adenoplea Adenoplusia Adenostemma Adhatoda Adiantopsis Adiantum Adicea Adina Aeolanthus Aerangis Aeranthes Aerva Aeschynomene Aetanthus Aetheilema Aframomum Afrardisia Afrocarpus Afroguatteria Afromendoncia Afzelia Agarista Agasta Agathisanthemum Agathophyllum Agauria Agave Agelaea Ageratina Ageratum Agirta Agrocharis Agrostis Agrostistachys Agrostophyllum Agyneia Ajuga Alafia Alangium Alantsilodendron Alberta Albizia Albizzia Alchemilla Alchornea Alectra Aleurites Alistilus Allaeanthus Allamanda Allantospermum Alleizettea Allophylus Alluaudia Alluaudiopsis Alocasia Aloe Alophyllus Alphonsea Alsodeia Alsophila Alternanthera Althaea Alysicarpus Alyxia Amajoua Amanoa Amaranthus Amauropelta Ambavia Ambongia Ambora Ambrella Ambrosia Ameletia Ammannia Ammocallis Amomum Amordica Amorphophallus Ampalis Ampelocissus Ampelopteris Ampelosycios Amphidoxa Amphiestes Amphorocalyx Amyrea Anacardium Anacolosa Anagallis Anaphalis Anastrophea Anavinga Ancylobotrys Andrachne Andriana Andrichnia Andromeda Andropogon Androstachys Androya Aneilema Anemia Anethum Angelonia Angiopteris Angraecopsis Angraecum Aniseia Anisocycla Anisomeles Anisopappus Anisophyllea Anisophyllum Anisopoda Anisostachya Anisotes Annona Anogramma Anomostachys Anona Anosporum Anstrutheria Anthacanthus Anthericum Antherotoma Anthocleista Anthospermum Anthostema Anthoxanthum Anthropodium Antiaris Antidesma Antigramma Antinisa Antirhea Antongilia Antrophyum Antura Apaloxylon Aphananthe Aphania Aphelexis Aphloia Apodocephala Apodostigma Apodytes Apollonias Apomuria Aponogeton Appertiella Aprevalia Arachis Aralia Araliorhamnus Ardisia Arduina Areca Argemone Argomuellera Argyra Argyreia Argyrodendron Argyrolobium Argythamnia Aristea Aristida Aristogeitonia Aristolochia Arodendron Arophyton Artabotrys Arthraxon Arthrocnemum Arthrophyllum Arthropodium Arthropteris Arthrosolen Arthrothamnus Arum Arundinaria Arundinella Arungana Ascarina Ascarinopsis Asclepias Ascolepis Asparagopsis Asparagus Aspidium Aspidixia Aspidopterys Aspidostemon Aspilia Asplenium Astephanocarpa Astephanus Aster Asterochaete Asteropeia Astiella Astrapaea Astrotrichilia Asystasia Atemnosiphon Athanasia Atherstonea Athrixia Athroisma Athyrium Atriplex Atylosia Aulaya Aulotandra Austrogambeya Auxopus Avenastrum Avetra Avicennia Axonopus Azadirachta Azima Azolla

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