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Expanded Dune
This article or section refers to elements from Expanded Dune.

Osthmir tubers are edible roots on Harmonthep.

They grew in brackish water.

Behind the scenesEdit

The narrative of the Butlerian Jihad mentions that Ishmael dug osthmir tubers on Harmonthep, however the glossary of the book mentions they grew on Poritrin.


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