Trifolium dubium
— Noun
– English
~ clover native to Ireland with yellowish flowers; often considered the true or original shamrock
Trifolium incarnatum
— Noun
– English
~ southern European annual with spiky heads of crimson flower; extensively cultivated in United States for forage
Trifolium repens
— Noun
– English
~ creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage