Davidse - 39947 - United States
Davidse - 40537 - United States
Davidse - 41566 - United States
Davidse - 41630 - United States
Duerinck - s.n. - United States
Monarda bradburiana
Stevens - 36356 - United States
Turner - 14-097 - United States
Yatskievych - 15-029 - United States
Yatskievych - 91-58 - United States