# Data resources **URL:** https://forum.qiime2.org/c/community-contributions/data-resources/16.md [Latest](https://forum.qiime2.org/latest.md) · [Categories](https://forum.qiime2.org/categories.md) · [Tags](https://forum.qiime2.org/tags.md) --- ## [About the Data resources category](https://forum.qiime2.org/t/about-the-data-resources-category/3031)
**Author:** [@q2d2](https://forum.qiime2.org/u/q2d2)\ **Replies:** 0\ **Last updated:** [February 14, 2018, 2:44pm UTC](https://forum.qiime2.org/t/about-the-data-resources-category/3031 "2018-02-14T14:44:27Z")
The Community Data Resources category is for sharing QIIME 2 resources, such as trained feature classifiers or reference databases, that are not listed on the QIIME 2 Data Resources page. These may be contributed by memb… --- ## [pre-trained UNITE ITS classifiers for QIIME 2026.7 and scikit-learn=1.7.1](https://forum.qiime2.org/t/pre-trained-unite-its-classifiers-for-qiime-2026-7-and-scikit-learn-1-7-1/24140)
**Author:** [@colinbrislawn](https://forum.qiime2.org/u/colinbrislawn)\ **Replies:** 15\ **Last updated:** [August 31, 2026, 6:59pm UTC](https://forum.qiime2.org/t/pre-trained-unite-its-classifiers-for-qiime-2026-7-and-scikit-learn-1-7-1/24140 "2026-08-31T18:59:19Z")
UNITE version 10.0 was updated on 2025-02-19, and I've built classifiers for it compatible with the newest version of Qiime2: New in 2026 Updated to qiime2-amplicon-2026.7 that includes scikit-learn=1.7.1 I've rewrit… --- ## [GTDB r232 taxonomy classifiers now available](https://forum.qiime2.org/t/gtdb-r232-taxonomy-classifiers-now-available/34262)
**Author:** [@gregcaporaso](https://forum.qiime2.org/u/gregcaporaso)\ **Replies:** 0\ **Last updated:** [July 27, 2026, 9:43am UTC](https://forum.qiime2.org/t/gtdb-r232-taxonomy-classifiers-now-available/34262 "2026-07-27T09:43:34Z")
Hi all, Taxonomic classifiers are now available for GTDB version 232. You can find these in our Zenodo archive here: Genome Taxonomy Database (GTDB) pre-trained classifiers for QIIME 2 | Zenodo Happy classifying! Greg … --- ## [Python 3 function cld4py to assign compact letter display letters](https://forum.qiime2.org/t/python-3-function-cld4py-to-assign-compact-letter-display-letters/31951)
**Author:** [@timanix](https://forum.qiime2.org/u/timanix)\ **Replies:** 1\ **Last updated:** [December 7, 2024, 8:54pm UTC](https://forum.qiime2.org/t/python-3-function-cld4py-to-assign-compact-letter-display-letters/31951 "2024-12-07T20:54:01Z")
Dear all, For a while I was unsuccessfully looking for Python3 package to assign Compact Letter Display letters based on the contrasts after pairwise comparisons. Then, I decided to write a function that will do the jo… --- ## [Curated 16S database (MIMt)](https://forum.qiime2.org/t/curated-16s-database-mimt/31873)
**Author:** [@A\_Munoz](https://forum.qiime2.org/u/A_Munoz)\ **Replies:** 2\ **Last updated:** [November 15, 2024, 3:19pm UTC](https://forum.qiime2.org/t/curated-16s-database-mimt/31873 "2024-11-15T15:19:59Z")
I would like to announce to the QIIME community the launch of a new 16S database for taxonomic assignment compatible with QIIME. MIMt is composed of 16S sequences from species well identified and curated from RefSeq. Al… --- ## [Working with plants? Try "PLANiTS": a plant ITS reference database for QIIME2](https://forum.qiime2.org/t/working-with-plants-try-planits-a-plant-its-reference-database-for-qiime2/15586)
**Author:** [@ElisaBanchi](https://forum.qiime2.org/u/ElisaBanchi)\ **Replies:** 6\ **Last updated:** [April 3, 2023, 7:56pm UTC](https://forum.qiime2.org/t/working-with-plants-try-planits-a-plant-its-reference-database-for-qiime2/15586 "2023-04-03T19:56:41Z")
Hello QIIME2 users! I am Elisa Banchi, a Research Fellow at the National Institute of Oceanography of Trieste, Italy. With the University of Trieste, we have developed PLANiTS, a reference dataset for plant ITS formatt… --- ## [MiFish database from nucleotide.](https://forum.qiime2.org/t/mifish-database-from-nucleotide/20633)
**Author:** [@dwt](https://forum.qiime2.org/u/dwt)\ **Replies:** 4\ **Last updated:** [March 15, 2023, 11:53am UTC](https://forum.qiime2.org/t/mifish-database-from-nucleotide/20633 "2023-03-15T11:53:59Z")
Hi Folks, I wanted to put it out there that I've put together a database of MiFish sequences scraped from NCBI. These are sequences matching the query "(((12S OR MiFish) OR mitochondrion) NOT chromosome) NOT shotgun".… --- ## [Pretrained SILVA 138.1 classifiers (weighted and uniform), reference dbs, and habitat weights](https://forum.qiime2.org/t/pretrained-silva-138-1-classifiers-weighted-and-uniform-reference-dbs-and-habitat-weights/22627)
**Author:** [@BenKaehler](https://forum.qiime2.org/u/BenKaehler)\ **Replies:** 0\ **Last updated:** [March 31, 2022, 1:56am UTC](https://forum.qiime2.org/t/pretrained-silva-138-1-classifiers-weighted-and-uniform-reference-dbs-and-habitat-weights/22627 "2022-03-31T01:56:21Z")
Pretrained SILVA 138.1 classifiers for use with q2-feature-classifier are now available on Zenodo. You can download classifiers for full-length 16S or 515f-806r (V4) trimmed reads. There are uniform classifiers and clas… --- ## [How to train SILVA 128 feature classifiers](https://forum.qiime2.org/t/how-to-train-silva-128-feature-classifiers/3558)
**Author:** [@gregcaporaso](https://forum.qiime2.org/u/gregcaporaso)\ **Replies:** 2\ **Last updated:** [March 26, 2021, 12:22am UTC](https://forum.qiime2.org/t/how-to-train-silva-128-feature-classifiers/3558 "2021-03-26T00:22:16Z")
Please see the following post for details about training SILVA 128 feature classifiers: ▶ Original Post Content (post links are no longer valid) --- ## [Greengenes 341-805 classifier](https://forum.qiime2.org/t/greengenes-341-805-classifier/12860)
**Author:** [@jwdebelius](https://forum.qiime2.org/u/jwdebelius)\ **Replies:** 3\ **Last updated:** [March 10, 2021, 1:51pm UTC](https://forum.qiime2.org/t/greengenes-341-805-classifier/12860 "2021-03-10T13:51:49Z")
I have a greengenes 13\_8 341-805 classifier I just trained with 2019.10 for anyone interested. qiime tools import \\ --input-path gg\_13\_8\_otus/rep\_set/99\_otus.fasta \\ --output-path ./gg\_13\_8\_99\_repset.qza \\ --type 'Fe… --- ## [Silva 132 classifiers](https://forum.qiime2.org/t/silva-132-classifiers/3698)
**Author:** [@gregcaporaso](https://forum.qiime2.org/u/gregcaporaso)\ **Replies:** 11\ **Last updated:** [February 1, 2019, 6:47pm UTC](https://forum.qiime2.org/t/silva-132-classifiers/3698 "2019-02-01T18:47:12Z")
@William is in the process of preparing the Silva 132 QIIME-compatible release (thanks @William!), and we have prepared an initial version of the classifiers that can be used for testing purposes. It would be very helpfu… --- ## [SILVA 138 Classifiers](https://forum.qiime2.org/t/silva-138-classifiers/13131)
**Author:** [@SoilRotifer](https://forum.qiime2.org/u/SoilRotifer)\ **Replies:** 39\ **Last updated:** [July 29, 2020, 11:37am UTC](https://forum.qiime2.org/t/silva-138-classifiers/13131 "2020-07-29T11:37:33Z")
This pipeline has been vastly improved via the new RESCRIPt plugin. Which you can check out via the link below. We hope the process of constructing your own reference sequence database (e.g. SILVA) will be far less onero… --- ## [Qiime2 compatible oceanic databases - PR2 and Phytoref](https://forum.qiime2.org/t/qiime2-compatible-oceanic-databases-pr2-and-phytoref/7222)
**Author:** [@Du\_Niu](https://forum.qiime2.org/u/Du_Niu)\ **Replies:** 6\ **Last updated:** [September 30, 2019, 3:46pm UTC](https://forum.qiime2.org/t/qiime2-compatible-oceanic-databases-pr2-and-phytoref/7222 "2019-09-30T15:46:42Z")
Recently I was working on a project that requires tax assignment of oceanic samples using Bayesian classifier, but the main databases we used, PR2 and Phytoref, are not in the format compatible with Qiime2, so I just wen… --- ## [MIDORI: Metazoan mitochondrial reference available](https://forum.qiime2.org/t/midori-metazoan-mitochondrial-reference-available/4671)
**Author:** [@RJM](https://forum.qiime2.org/u/RJM)\ **Replies:** 0\ **Last updated:** [June 21, 2018, 7:17pm UTC](https://forum.qiime2.org/t/midori-metazoan-mitochondrial-reference-available/4671 "2018-06-21T19:17:20Z")
Hello, We would like to introduce MIDORI datasets (Metazoan mitochondrial gene reference) now available to download from our website. http://www.reference-midori.info I am very happy to hear, if you have any questions… --- ## [EMP protocols are published on protocols.io](https://forum.qiime2.org/t/emp-protocols-are-published-on-protocols-io/3813)
**Author:** [@Luke\_Thompson](https://forum.qiime2.org/u/Luke_Thompson)\ **Replies:** 0\ **Last updated:** [April 17, 2018, 1:42pm UTC](https://forum.qiime2.org/t/emp-protocols-are-published-on-protocols-io/3813 "2018-04-17T13:42:45Z")
Dear forum members, I've worked with the folks at protocols.io to publish five EMP protocols on their site. Each protocol has been assigned DOIs and therefore can be permalinked in your papers, proposals, etc. With thes… --- ## [UNITE (ver 7.2 2017-12-01) Classifiers for QIIME2 (ver. 2017.12) Available Here](https://forum.qiime2.org/t/unite-ver-7-2-2017-12-01-classifiers-for-qiime2-ver-2017-12-available-here/3020)
**Author:** [@Sydney\_Morgan](https://forum.qiime2.org/u/Sydney_Morgan)\ **Replies:** 2\ **Last updated:** [February 15, 2018, 1:10am UTC](https://forum.qiime2.org/t/unite-ver-7-2-2017-12-01-classifiers-for-qiime2-ver-2017-12-available-here/3020 "2018-02-15T01:10:13Z")
Hello everyone, Because some people (myself included) were having a hard time training their UNITE classifiers for fungal ITS data due to memory errors, I am making my two classifiers available here for anyone who would…