1. In the manner of William Butler Yeats

See also: Yeats

• genus Acrobates
• genus Acrocarpus
• genus Acrocephalus
• genus Acroclinium
• genus Acrocomia
• genus Acropora
• genus Acrostichum
• genus Actaea
• genus Actias
• genus Actinia
• genus Actinidia
• genus Actiniopteris
• genus Actinomeris
• genus Actinomyces
• genus Actitis
• genus Adalia
• genus Adansonia
• genus Addax
• genus Adelges
• genus Adenanthera
• genus Adenium
• genus Adenota
• genus Adiantum
• genus Adlumia
• genus Adonis