Species: arábica, canephora, libérica, etc.
Variety: typica: java, blue montain, maragogipe; bourbon: caturra, moka, SL28; heirloom: geisha, Kaffa all in arabic coffea.
Variety: robusta and laurentii in coffea canephora.
Variety: dewevrei and koto in coffea lebérica.
There are the Crosses, which occur between the varieties: mundo novo: typica + bourbon
catuai: mundo novo + caturra; pacamara: pacas + maragogype.
Hybrids exist, which occurs between species and between species and varieties.
timor: arabica + robust; icatú: bourbon + robusta + mundo novo