Plate 1, Clematis ochroleuca, from <i><a href="//commons.wikimedia.org/wiki/A_Flora_of_the_State_of_New_York" title="A Flora of the State of New York">A Flora of the State of New York</a></i> by <a href="//commons.wikimedia.org/wiki/John_Torrey" title="John Torrey">John Torrey</a>
John Torrey, M.D., F.L.S.
1843
A Flora of the State of New-York, Vol. 1, 1843