Trifolium pratense
— Navneord
– Engelsk
~ erect to decumbent short-lived perennial having red-purple to pink flowers; the most commonly grown forage clover
trifolium
— Navneord
– Engelsk
~ any leguminous plant having leaves divided into three leaflets
Trifolium alpinum
— Navneord
– Engelsk
~ European mountain clover with fragrant usually pink flowers
Trifolium dubium
— Navneord
– Engelsk
~ clover native to Ireland with yellowish flowers; often considered the true or original shamrock
Trifolium incarnatum
— Navneord
– Engelsk
~ southern European annual with spiky heads of crimson flower; extensively cultivated in United States for forage
Trifolium repens
— Navneord
– Engelsk
~ creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage