''Botrychium onondagense'' is a species of

fern The ferns (Polypodiopsida or Polypodiophyta) are a group of vascular plants (plants with xylem and phloem) that reproduce via spores and have neither seeds nor flowers. They differ from mosses by being vascular, i.e., having specialized tissue ...

in the family

Ophioglossaceae Ophioglossaceae, from Ancient Greek ὄφις (''óphis''), meaning "snake", and γλῶσσα (''glôssa''), meaning "tongue", also known as the adder's-tongue family, is a small family of ferns. In the Pteridophyte Phylogeny Group classificatio ...

that is closely related to the more common ''

Botrychium lunaria ''Botrychium lunaria'' is a species of fern in the family Ophioglossaceae known by the common name moonwort or common moonwort. It is the most widely distributed moonwort, growing throughout the Northern Hemisphere across Eurasia and from Alaska ...

''. It is known from many locations in the temperate areas of the Northern Hemisphere including Europe, Russia, Canada, and the United States.

Taxonomy

''Botrychium onondagense'' was first described by Lucien Marcus Underwood in 1903, based on material from the vicinity of

Syracuse Syracuse most commonly refers to: * Syracuse, Sicily, Italy; in the province of Syracuse * Syracuse, New York, USA; in the Syracuse metropolitan area Syracuse may also refer to: Places * Syracuse railway station (disambiguation) Italy * Provi ...

, in

Onondaga County, New York Onondaga County ( ) is a County (United States), county in the U.S. state of New York (state), New York. As of the 2020 United States census, 2020 census, the population was 476,516. The county seat is Syracuse, New York, Syracuse. The county i ...

. It was long regarded as a synonym for ''Botrychium lunaria''.

References

onondagense Plants described in 1903 Taxa named by Lucien Marcus Underwood {{fern-stub