Bergman - s.n. - United States
Bush - 772 - United States
Bush - 9680 - United States
Canby - 197 - United States
Davidse - 37701 - United States
Davidse - 38169 - United States
Davidse - 39079 - United States
Davidse - 39866 - United States
Demaree - 15733 - United States
Gentry - 73567 - Mexico
Geyer - 146 - United States
Hinton - 22124 - Mexico
Hinton - 22307 - Mexico
Hinton - 26415 - Mexico
Jantz - 74 - United States
Johnson - 2647 - United States
Lakela - 2091a - United States
Lewis - 7617 - United States
Little - 36206 - United States
Metcalf - 1185 - United States
Moore - 12284 - United States
Moore - 14972 - United States
Moyle - 430 - United States
Osborn - 1931 - United States
Ostrya virginiana
Palmer - 7104 - United States
Pammel - 21 - United States
Tharp - s.n. - United States
Van Brunt - 2013-04 - United States
Yatskievych - 89-195 - United States
Yatskievych - 93-164 - United States