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Author:Justus Karl Haßkarl

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Justus Carl Hasskarl
Dutch explorer and botanist specialising in Pteridophytes, Bryophytes and Spermatophytes.
Justus Carl Hasskarl



Works by this author published before January 1, 1924 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.