Ceratocephala falcata subsp. orthoceras (DC.) Batt. subspecies synonym

Ceratocephala orthoceras var. cana Freyn & Sint. variety synonym

Ceratocephala glaber (Beck) Janisch. species synonym

Ranunculus falcatus var. orthoceras (DC.) Jess. variety synonym

Ranunculus falcatus var. orthoceras Aitch. variety synonym

Ranunculus orthoceras (DC.) Benth. & Hook.fil. ex Schmalh. species synonym

Ceratocephalus glaber (W.Becker) Janisch. species synonym

Ceratocephala reflexa Steven species synonym

Ceratocephala pungens Garn.-Jones species accepted

Ceratocephala falcata var. orthoceras (DC.) Aitch. & Hemsl. ex W.T.Wang & Tamura variety homotypic synonym

Ceratocephala caulifolia Qureshi & Chaudhri species synonym

Ceratocephala testiculata (Crantz) Roth species heterotypic synonym

Ceratocephala orthoceras DC. species accepted

Ceratocephala othoceras de Candolle species synonym

Ceratocephala falcata (L.) Cramer species accepted

Ceratocephala orthoceras var. platypetalus Zapal. variety synonym

Ceratocephala falcata var. orthoceras (DC.) Batt. variety synonym

Ranunculus testiculatus Crantz species heterotypic synonym

Ceratocephala testiculata (Crantz) Besser species synonym

Ranunculus orthoceras (DC.) Benth. & Hook.fil. species homotypic synonym

Ceratocephala falcata var. orthoceras (DC.) Aitch. & Hemsl. variety homotypic synonym