Fig. 6. <i><b>Botrychium onondagense</b></i> from the second edition of <a href="//commons.wikimedia.org/wiki/Britton_%26_Brown,_Illustrated_Flora,_Second_Edition" title="Britton &amp; Brown, Illustrated Flora, Second Edition"><i>An Illustrated Flora of the Northern United States, Canada and the British Possessions</i></a> (New York, 1913).<br>(syn. <i><a href="//commons.wikimedia.org/wiki/Botrychium_lunaria" title="Botrychium lunaria">Botrychium lunaria</a></i> var. <i>onondagense</i>)
Nathaniel Lord Britton &amp; Addison Brown
1913
An Illustrated Flora of the Northern United States, Canada and the British Possessions, 2nd edition