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Here on AusEmade, we often show scientific classification for most of our flora and fauna. The three main sources we use are Atlas of Living Australia (ALA), iNaturalist (iNatAU and iNat) and Wikipedia.

Sometimes, when researching through the three resources, you will see differences in their classification.

The difference arise, because they use a different taxonomic authority to base their nomenclature on. When looking at Flora, iNat takes it’s taxonomy from Plants of the World Online (which for some people, consider it pretty ordinary for Australian flora) while ALA draws on the Australian Plant Census, which quite often won’t line up with POWO, especially at higher order classifications.

Following examples were researched from the related websites on 29 July 2023.

Difference in scientific classification for the flora species Senecio gregorii

ALAiNatWikipedia
kingdom: Plantae
phylum: Charophyta
class: Equisetopsida
subclass: Magnoliidae
superorder: Asteranae
order: Asterales
family: Asteraceae
genus: Senecio
species: Senecio gregorii
kingdom: Plantae
phylum: Tracheophyta
subphylum: Angiospermae
class: Magnoliopsida
order: Asterales
family: Asteraceae
subfamily: Asteroideae
subtribe: Senecioninae
genus: Senecio
species: Senecio gregorii
kingdom: Plantae
clade: Tracheophytes
clade: Angiosperms
clade: Eudicots
clade: Asterids
order: Asterales
family: Asteraceae
genus: Senecio
species: S. gregorii
binomial name: Senecio gregorii
synonyms: Othonna gregorii

Difference in scientific classification for the fauna species Osphranter rufus

ALAiNatWikipedia
kingdom: Animalia
phylum: Chordata
subphylum: Vertebrata
informal: Gnathostomata
class: Mammalia
subclass: Marsupialia
order: Diprotodontia
suborder: Phalangerida
superfamily: Macropodoidea
family: Macropodidae
subfamily: Macropodinae
genus: Osphranter
species: Osphranter rufus
kingdom: Animalia
phylum: Chordata
subphylum: Vertebrata
class: Mammalia
subclass: Theria
infraclass: Marsupialia
order: Diprotodontia
family: Macropodidae
subfamily: Macropodinae
tribe: Macropodini
genus: Osphranter
species: Osphranter rufus
domain: Eukaryota
kingdom: Animalia
phylum: Chordata
class: Mammalia
infraclass: Marsupialia
order: Diprotodontia
family: Macropodidae
genus: Osphranter
species: O. rufus
binomial name: Osphranter rufus

Taxonomy — the exact definition of taxonomy varies from source to source, although the core of the discipline remains: the conception, naming, and classification of groups of organisms.

You can read about Taxonomy (biology) in Wikipedia.

Scientific Classification - Taxonomy - Flora - Fauna
Scientific Classification – Taxonomy – Flora – Fauna

…the only “real” taxonomic rank is the species level – all other levels of taxonomic names above that (Order, Family, Subfamily, Tribe) is a human invention called Classification which helps us to better understand relationships of species. Classification are always changing to better reflect what occurs in the natural world.

Ken Walker

Footnote & References

  1. Many thanks to Gavin Phillips for explaining the difference between ALA and iNat, member of Making sense of Australian botanical names, Facebook group, https://www.facebook.com/groups/236265956982321/
  2. Many thanks to Ken Walker for information on taxonomic rank, member of Bee Aware of Your Native Bees (Australia), Facebook Group, https://www.facebook.com/groups/beeawareofyournativebees/

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