Hybrid Mouse-tail: Myosurus x alopecuroides (Synonym: Myosurus x clavicaulis)
Common Mouse-tail, Least Mouse-tail, Tiny Mouse-tail: Myosurus minimus (Synonyms: Myosurus lepturus, Myosurus lepturus var. filiformus , Myosurus minimus ssp. major, Myosurus minimus var. filiformus, Myosurus minimus var. major) -