Acharius may refer to:
*
Acarius, a 6th-century bishop in Gaul
*
Erik Acharius
Erik Acharius (10 October 1757 – 14 August 1819) was a Swedish botanist who pioneered the Taxonomy (biology), taxonomy of lichens and is known as the "father of lichenology". Acharius was famously the last pupil of Carl Linnaeus.
Life
Ac ...
, an 18th-century lichenologist
** The
Acharius Medal, named in his honor
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