Moonwort Systematics

The first description of a Botrychium species was of B. lunaria, described in 1542 by Fuchs as Lunaria minor. Linnaeus recognized two species of Botrychium in his 1753 Species Plantarum, B. lunaria and B. virginiana. He placed both in the genus Osmunda. Presl (1845) was the first to use the name Botrychium, recognizing 17 species in his treatment of the genus. The first modern comprehensive treatment of the family was that of Clausen in his 1938 Monograph of the Ophioglossaceae. This publication provides the best reference point from which to discuss more recent taxonomic assessments and recognition of new species
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