Categories of Significance

The Categories of Significance are based on the National Trust of Australia's criteria for the identification and classification of trees.

For a tree to be considered for inclusion in, or to remain on, the Classified Tree Register, it must be an exceptional example as demonstrated by meeting one or more of the criteria in below.

Criteria Description Example in Glen Eira
Horticultural or genetic value Any tree which is of exceptional horticultural or genetic value and could be an important source of propagating stock, including specimens that are particularly resistant to disease or environmental conditions. This could include Australian native, locally indigenous or exotic tree species. The river red gum (Eucalyptus camaldulensis) located within Booran Reserve.
Unique location or context A tree that occurs in a unique location or context and provides a major contribution to the landscape and trees which form part of a historic garden, park or town. This may include the blanket inclusion of trees of various sizes in parks. The Field Elm (Ulmus minor) located in the McKinnon Road Memorial Garden providing a major feature for the park.
Rare or localised distribution Any tree of a species or variety that is rare or is of very localised distribution. This could include trees that are classified as threatened indigenous or endemic species within its locality or a rare exotic specimen. The Weeping Elm (Ulmus glabra ‘Camperdownii’) located within Marara Road Reserve.
Particularly old specimen Any tree that is a particularly old or venerable example of the species such as pre-colonial trees. The large river red gum ‘Rosie’ (Eucalyptus camaldulensis) located at Carnegie Railway Station Reserve.
Outstanding size (girth height spread) The outstanding size of a tree will relate specifically to the tree species and may vary considerably depending on its height, trunk circumference or canopy. The Holm Oak (Quercus ilex) located within Caulfield Park.
Aesthetic value The tree is a particularly well-formed example of the species that is in a location that makes it striking in the landscape. The loss of a tree in this category would result in a substantial change to the local landscape and a loss of amenity for the community. The Tallowwood (Eucalyptus micorcorys) located within Glen Huntly Park.
Curious growth habit Any tree which exhibits a curious growth form or physical feature such as abnormal outgrowths. A large Peppermint Gum (Eucalyptus nicholii) located in Gardenvale.
Historical significance Any tree commemorating a particular occasion, individual or associated with an important historical event may be considered in this category. The Lone Pine Tree, Gallipoli — located in Caulfield Park.
Connection to Aboriginal culture A tree associated with Aboriginal activities or culture such as Scarred trees or Corroboree trees. Council has no records of trees on Council Land which are within this criterion.
An outstanding example of species Any tree that is an outstanding example of the species at an International / National / State / Regional / Local level or of particular aesthetic value. The large Algerian oak (Quercus canariensis) located within Caulfield Park.
Outstanding habitat and biodiversity value A tree that has outstanding value as habitat for indigenous wildlife, including providing breeding, foraging or roosting habitat, or forming a key part of a wildlife corridor. The Kauri Pine (Agathis robusta) located within the island Caulfield Park lake.