lance-leaved moonwort
Botrychium angustisegmentum (Pease & A.H.Moore) Fernald

Botrychium angustisegmentum, known as lance-leaved moonwort, is a species in the family Ophioglossaceae. It was first described in 1915 by Fernald, based on earlier work by Pease and A.H. Moore. This fern ally is native to a range of regions in eastern North America, including parts of the United States and Canada.
Description
Botrychium angustisegmentum is a member of the Ophioglossaceae family, a group of fern allies commonly referred to as moonworts and grape ferns. It is characterized by its lance-shaped leaves and is found in several states and provinces, including Vermont, Connecticut, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Montana, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, Nova Scotia, Ohio, Ontario, Pennsylvania, and Prince Edward Island. The species was first formally published in 1915 by Fernald, building upon the initial work of Pease and A.H. Moore.
Other common names
Narrow Triangle Moonwortlance-leaved moonwortLanceleaf moonwortTriangle Grape Fern
Distribution
Vermont-US · Connecticut · Kentucky · Maine · Maryland · Massachusetts · Michigan · Minnesota · Montana · New Brunswick · New Hampshire · New Jersey · New York · Newfoundland · North Carolina · Nova Scotia · Ohio · Ontario · Pennsylvania · Prince Edward I. · Québec · Rhode I. · Saskatchewan · Tennessee · Vermont · Virginia · West Virginia · Wisconsin
Synonyms
Botrychium lanceolatum subsp. angustisegmentumBotrychium lanceolatum var. angustisegmentumBotrychium palmatum subsp. angustisegmentum
