# How to add taxonomy to feature-table.qza from open-reference-otu-picking

**URL:** <https://forum.qiime2.org/t/how-to-add-taxonomy-to-feature-table-qza-from-open-reference-otu-picking/3390>\
**Category:** User Support\
**Tags:** feature-classifier\
**Created:** [March 12, 2018, 3:19pm UTC](https://forum.qiime2.org/t/how-to-add-taxonomy-to-feature-table-qza-from-open-reference-otu-picking/3390 "2018-03-12T15:19:41Z")\
**Posts on this page:** 1\
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**Author:** ![thermokarst](https://forum.qiime2.org/letter_avatar_proxy/v4/letter/t/8e7dd6/32.png) [@thermokarst](https://forum.qiime2.org/u/thermokarst)\
**Post date:** [March 13, 2018, 9:37pm UTC](https://forum.qiime2.org/t/how-to-add-taxonomy-to-feature-table-qza-from-open-reference-otu-picking/3390/3 "2018-03-13T21:37:08Z")

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Hi @MMC_northS!

Please see this post for details on how to annotate a BIOM table with taxonomy as metadata:

> [@Is there any way to summarize taxa plot by category?](https://forum.qiime2.org/t/is-there-any-way-to-summarize-taxa-plot-by-category/446/2):
>
> Hi @m-ocejo! We currently don't have that functionality in QIIME 2's taxa barplots. I created [an issue](https://github.com/qiime2/q2-taxa/issues/71) to track the addition of that feature. Note that you can sort the samples by a metadata category, so that samples from the same category will be grouped together (but each bar will still represent a single sample). If you're interested in using QIIME 1 to produce these grouped barplots, you can export your BIOM table and taxonomy data from your .qza files. In order to use summarize\_taxa\_throug…

> [@MMC\_northS](#):
>
> in that case, what’s happen with the sequences called like “new sequences” (because is open-reference-analyses)?

From the [docs](https://docs.qiime2.org/2018.2/plugins/available/vsearch/cluster-features-open-reference/):

> The new reference sequences. This can be used for subsequent runs of open-reference clustering for consistent definitions of features across open-reference feature tables.

Hope that helps!

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