# Taxon Framework Relationship bug?

**URL:** <https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458>\
**Category:** Curators\
**Tags:** curation\
**Created:** [December 15, 2021, 11:52pm UTC](https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458 "2021-12-15T23:52:47Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![jdmore](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/jdmore/32/1116_2.png) [@jdmore](https://forum.inaturalist.org/u/jdmore)\
**Post date:** [December 15, 2021, 11:52pm UTC](https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458/1 "2021-12-15T23:52:47Z")

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Can anyone help me understand why [this many-to-many TFR](https://www.inaturalist.org/taxon_framework_relationships/265332) is showing up as a deviation instead of a match?

I’ve double-checked, and it has the same taxa at the same ranks with the same parents both internally and externally. What am I missing?

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**Author:** ![thomaseverest](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/thomaseverest/32/63220_2.png) [@thomaseverest](https://forum.inaturalist.org/u/thomaseverest)\
**Post date:** [December 16, 2021, 1:48am UTC](https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458/2 "2021-12-16T01:48:37Z")

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It looks like many-to-many is automatically a deviation:  
[https://www.inaturalist.org/pages/taxon\_frameworks](https://www.inaturalist.org/pages/taxon_frameworks)

Is there a reason you chose that instead of individual relationships for each taxon?

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**Author:** ![jdmore](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.inaturalist.org/jdmore/32/1116_2.png) [@jdmore](https://forum.inaturalist.org/u/jdmore)\
**Post date:** [December 16, 2021, 5:38am UTC](https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458/3 "2021-12-16T05:38:05Z")

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> [@thomaseverest](#):
>
> Is there a reason you chose that instead of individual relationships

Efficiency and convenience, I suppose, when dealing with subspecies of a single species.

> [@thomaseverest](#):
>
> many-to-many is automatically a deviation

I know that is one way to create a deviation. But I could have sworn I had also seen many-to-many relationships before that were matches. I must be mis-remembering…

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/inaturalist/original/2X/7/7831452cf7f0d653ff1ffd34176334b7ef1b6a17.png) [@system](https://forum.inaturalist.org/u/system)\
**Post date:** [February 14, 2022, 5:38am UTC](https://forum.inaturalist.org/t/taxon-framework-relationship-bug/28458/4 "2022-02-14T05:38:21Z")

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