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Rust HUBB contains 28S DNA sequences from thousands of rust species. Sequences have been verified, and come only from vouchered herbarium specimens that have been authenticated.

To use this tool, select the blast button at the right.  Paste your 28S sequence into the box and blast.

Results will show closest matches in our database, including name, collection number, voucher number, host (family or subfamily, genus and species) and geographic origin.

Results should be verified by microscopic examination.

For more details on methods and primers for 28S sequencing, see Aime & McTaggart 2020.


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Number of sequences:  3066

Number of species:  1173

Number of genera:  114

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