Among the 600 species of the genus Eucalyptus, the ones that deserve special attention include:
- Black Box( Eucalyptus bicolor = Eucalyptus largiflorens) : Australian species that can reach 18 meters of height. It has properties similar to white Eucalyptus (Eucalyptus globulus)
- River red gum (Eucalyptus camaldulensis): Australian species of up to 45 m in height. Can be found easily in this country along water courses. Species of particular interest because of its size to large gardens. For its continued resistance, it can be found in many parts of Asia and Africa. It has similar medicinal properties to Eucalyptus globulus.
- Lemon-scented Gum (Eucalyptus citriodorus= Eucalyptus citriodora ): white bark tree from Australia of up to 45 m in height. Named for the lemon scent that leaves, so that its essential oil is widely used in the perfume industry. Widely used by the hardness of its wood. It has similar medicinal properties to Eucalyptus globulus.
- Sugar gum : (Eucalyptus cladocalyx): A tree native to southern Australia. It reaches about 30 m. of height and it is characterized by keeping the bark on the lower trunk and its new leaves of pink colour. The only references to its use are limited to use it as poison.
- Coolabah (Eucalyptus coolabah): Tree from Australia of up to 15 meters. It features white flowers. It grows in very arid areas and is characterized by keeping the bark on the trunk. It is used medicinally to disinfect cuts.
- White Mallee( Eucalyptus dumosa): It is a shrub up to 10 meters (One of the most representative of what in Australia is known as "mallees" - dwarf eucalyptus characterized by having a short thick trunk and those born a series of very fine lateral branches that give the appearance of a bush. The term also refers to mallee forest type produced by this type of eucalyptus, preparations have been used this plant to combat cancer.
- White Eucalyptus = blue gum eucalyptus: (Eucalyptus globulus) The species most commonly used in herbal medicine and the most abundant in plantations outside Australia. (More information on their characteristics, cultivation, and medicinal properties in the listing above).
- Lerp Mallee (Eucalyptus incrassata) It is another species of the variety of mallee eucalypts. It has a maximum height of 8 meters. Virtually no trunk. It is known because natives used its wood for boomerangs. It has been used medicinally to heal wounds.
- Coolibah (Eucalyptus microtheca) reaches a height of 15 meters and grows in semiarid areas of Western Australia near puddles of water. Withstands drought well. It is characterized as one of the eucalyptus trees that has the smallest fruits. It has been used medicinally to heal wounds.
- Swamp Mahogany ( Eucalyptus robusta ) reaches about 30 m in height. It has a very hard wood that is prized for the manufacture of beams and boards. It has properties similar to white Eucalyptus (Eucalyptus globulus)
- Red Eucalyptus = Red gum = Murray red gum (Eucalyptus rostrata = Eucalyptus camaldulensis Dehnh.) Tree up to 45 m high, especially suitable for large gardens. White bark with red bands. It appears in Australia along the riverside forests, being commonly used as a shade tree. It holds both drought and floods. It has similar properties to white eucalyptus (Eucalyptus globulustoquat)
- Coral gum flower (Eucalyptustorquata) Tree up to 6 m in height. Quite distinctive for its red-orange fruits and for its long, curved leaves in both young and adult branches. It often takes on a "hanging look" because the branches bend under the weight of the fruits. It has been used medicinally to heal wounds.