- Apium graveolens dulce
- Anthemis nobilis
- agrimonia
- American columbo
- arugula
- Abyssinian banana
- Antennaria dioica
- aspidistra
- Anthriscus sylvestris
- American liquorice
- agueweed
- amaranth
- argemone
- Asparagus officinales
- anise
- anise plant
- Alexander
- Alexanders
- Antennaria plantaginifolia
- alecost
- Amsinckia grandiflora
- asparagus pea
- Anigozanthus manglesii
- Asparagus setaceous
- Amaranthus spinosus
- Acinos arvensis
- Aframomum melegueta
- andryala
- Amsinckia intermedia
- alumbloom
- anchusa
- American ginseng
- Abelmoschus esculentus
- Ananas comosus
- Arnoseris minima
- Apium graveolens rapaceum
- Ageratina altissima
- Anthriscus cereifolium
- Anthyllis vulneraria
- apple of Peru
- Asarum shuttleworthii
- Anemopsis californica
- adam_and_eve
- arethusa
- Aplectrum hyemale
- aerides
- angrecum
- Arisaema
- Angraecum
- Aplectrum