Rhamphicarpa tubulosa (L.fil.) Benth. species synonym

Rhamphicarpa serrata Klotzsch species synonym

Rhamphicarpa paucidentata (Engl.) Fiori species synonym

Rhamphicarpa neghellensis Fiori species synonym

Rhamphicarpa multicaulis Skan species synonym

Rhamphicarpa montana N.E.Br. species synonym

Rhamphicarpa heuglinii Hochst. ex Engl. species synonym

Rhamphicarpa hamata (Engl. & Gilg) Skan species synonym

Rhamphicarpa elskensii (De Wild.) Staner species synonym

Rhamphicarpa curviflora Benth. species synonym

Rhamphicarpa claessensii (De Wild.) Staner species synonym

Rhamphicarpa capensis P.E.Glover species synonym

Rhamphicarpa brevifolia (De Wild.) Staner species synonym

Rhamphicarpa aquatica (Engl.) Skan species synonym

Cycnium tubulosum subsp. montanum (N.E.Br.) O.J.Hansen subspecies accepted

Cycnium serratum (Klotzsch) Engl. species synonym

Cycnium rubrum De Wild. species synonym

Cycnium rubriflorum Engl. species synonym

Cycnium questieauxianum De Wild. species synonym

Cycnium paucidentatum (Engl.) Engl. species synonym

Cycnium heuglinii (Hochst. ex Schweinf.) Engl. species synonym

Cycnium hamatum Engl. & Gilg species synonym

Cycnium claessensii De Wild. species synonym

Cycnium brevifolium De Wild. species synonym

Cycnium aquaticum Engl. species synonym

Cycnium serratum f. longipedicellatum Engl. form synonym

Cycnium elskensi De Wild. species synonym

Cycnium tubulosum subsp. tubulosum subspecies accepted

Cycnium serratum f. paucidentatum Engl. form synonym

Cycnium serratum f. elatum Engl. form synonym

Rhamphicarpa heuglinii Hochst. ex Schweinf. species synonym

Gerardia tubulosa L.fil. species synonym

Cycnium serratum f. subintegrum Engl. form synonym

Rhamphicarpa tubulosa var. curviflora (Benth.) Chiov. variety synonym

Rhamphicarpa heuglinii Hochst. species homotypic synonym