Telephone numbers in Australia plan (including the "Trunk Access Code"), presented in domestic format. (Geographical region boundaries do not exactly follow State borders.) The current numbering plan would appear to be sufficient to cope with potential increase in demand for services for quite some time to come. The 06 and 09 area codes are completely unused. In addition, each current area code has large number "ranges" unallocated. When dialling from outside Australia, after dialling the appropriate International Access Code it is necessary to dial the Country Code for Australia (61) followed by the nine digit "National 'Significant' Number". (The + symbol is used to
International Code of Nomenclature for algae, fungi, and plants International Botanical Congress have produced revised versions of these "Rules", later called the "International Code of Botanical Nomenclature", and then "International Code of Nomenclature for algae, fungi, and plants". The Nomenclature Section of the 18th International Botanical Congress in Melbourne, Australia (2011) made major changes: Some important versions are listed below. Specific to botany More general International Code of Nomenclature for algae, fungi, and plants The International Code of Nomenclature for algae, fungi, and plants (ICN) is the set of rules and recommendations dealing with the formal botanical names that are given to plants, fungi and a few other groups