Scientists aim to describe a single 'tree of life' that reflects the evolutionary relationships of living things. However, evolutionary relationships are a matter of ongoing discovery, and there are different opinions about how living things should be grouped and named. EOL reflects these differences by supporting several different scientific 'classifications'. Some species have been named more than once. Such duplicates are listed under synonyms. EOL also provides support for common names which may vary across regions as well as languages.

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Preferred marks the preferred classification for this taxon.

Recognized By Rank Classification
Species 2000 & ITIS Catalogue of Life: April 2013
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Family Import Family
BOLDS resource for higher-level taxa
BOLDS images II Family
BOLDS resource for species-level taxa Family
Botany resource Family
EOL Group on Flickr
EOL Metrics Family
  • Bixaceae
view in classification
FloraOfZimbabwe Family
FloraOfZimbabwe Family
Global Wood Density Database Family
INBio resource Family
INBio resource Family Import
India Biodiversity Portal Species Data Family
Integrated Taxonomic Information System (ITIS)
view in classification
Inventaire National du Patrimoine Naturel Family
NCBI Taxonomy
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NatureServe resource Family
NCBI, GGBN, GBIF, BHL, BOLDS data coverage Family
  • Bixaceae
Paleobiology Database
view in classification
CIEE Tropical Ecology and Conservation Program Spring 2013 Family
Taxonomic Hierarchy of COL-China 2012
view in classification
Tropicos resource Family
USDA Plants Family
Wikimedia Commons Family
Wikipedia Family
eFloras Family
iNaturalist Images Family


EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

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