Abbott - 26685 - United States
Anonymous - s.n. -
HAGEN - s.n. -
Hedberg - s.n. 37 - Canary Islands
Schimper - 1518 - Ethiopia
Summers - 1622 - United States
Trifolium arvense
Willkomm - 698 - Spain
Yatskievych - 13-23 - United States