Allen - 10147 - United States
Allen - 10160 - United States
Allen - 13066 - United States
Allen - 1309 - United States
Allen - 1313 - United States
Allen - 1547 - United States
Allen - 23 - United States
Allen - 2446 - United States
Allen - 9253 - United States
Allen - 9296B - United States
Allen - 9406 - United States
Bartling - 20 - Germany
Buck - 42490 - United States
Calliergon cordifolium
Hermann - 19188 - United States
Ledlie - 562 - United States
Merrill - 89 - United States
Rand - s.n. - United States
Smith - s.n. - United States
Wilson - s.n. - United States