Davidse - 42178 - United States
Davidse - 42325 - United States
Dirca palustris
Hornberger - 698 - United States
Kral - 89451 - United States
Leoschke - 2133 - United States
Nee - 61531 - United States
Smith - 2830 - United States
Summers - 10490 - United States
Taylor - s.n. - United States
Yatskievych - 94-01 - United States