• Species and lower taxa
• Higher taxa
• Common names

Rabdochloa vulpiastrum De Not. – basionym of Leptocarydion vulpiastrum (De Not.) Stapf

Rhaphis arundinacea Desv. – basionym of Sorghum arundinaceum (Desv.) Stapf

Rhynchelytrum repens (Willd.) C.E. Hubb. – synonym of Melinis repens (Willd.) Zizka

Rhynchelytrum villosum (Parl.) Chiov. – synonym of Melinis repens (Willd.) Zizka

Rhytachne congoensis Hack. – synonym of Phacelurus gabonensis (Steud.) Clayton

Rhytachne furtiva Clayton

Rhytachne gigantea (Pilg.) Stapf – synonym of Urelytrum giganteum Pilg.

Rhytachne glabra (Gledhill) Clayton

Rhytachne gracilis Stapf

Rhytachne mannii Stapf – synonym of Rhytachne rottboellioides Desv.

Rhytachne megastachya Jacq.-Fél.

Rhytachne minor Stapf – synonym of Rhytachne gracilis Stapf

Rhytachne perfecta Jacq.-Fél.

Rhytachne rottboellioides Desv.

Rhytachne rottboellioides guineensis Camus & Schnell – synonym of Rhytachne rottboellioides Desv.

Rhytachne triaristata (Steud.) Stapf

Rhytachne triseta Hack. – synonym of Rhytachne triaristata (Steud.) Stapf

Robinsiochloa purpurascens (Robyns) Jacq.-Fél. – synonym of Rottboellia purpurascens Robyns

Rostraria cristata (Linn.) Tevelev

Rostraria pumila (Desf.) Tevelev

Rostraria rohlfsii (Achsers.) Holub

Rottboellia afraurita Stapf

Rottboellia afzelii Hack – synonym of Chasmopodium caudatum (Hack.) Stapf

Rottboellia agropyroides Hack. – basionym of Urelytrum agropyroides (Hack.) Hack.

Rottboellia altissima Poir. – basionym of Hemarthria altissima (Poir.) Stapf & Hubbard

Rottboellia caudata Hack. – basionym of Chasmopodium caudatum (Hack.) Stapf

Rottboellia cochinchinensis (Lour.) Clayton

Rottboellia exaltata Linn.f – synonym of Rottboellia cochinchinensis (Lour.) Clayton

Rottboellia fasciculata Lam. – synonym of Hemarthria altissima (Poir.) Stapf & Hubbard

Rottboellia gracillima Baker – basionym of Oxyrhachys gracillima (Baker) C.E. Hubb.

Rottboellia granularis (Linn.) Roberty – synonym of Hackelochloa granularis (Linn.) Kuntze

Rottboellia hirsuta Vahl – invalid name of Lasiurus scindicus Henrard

Rottboellia kerstingii Pilg. – synonym of Chasmopodium caudatum (Hack.) Stapf

Rottboellia papillosa (Hochst.) Dur. & Schinz – synonym of Ophiuros papillosus Hochst.

Rottboellia purpurascens Robyns

Rottboellia sanguinea Retz. – synonym of Schizachyrium sanguineum (Retz.) Alston

Rottboellia triaristata (Steud.) Roberty – synonym of Rhytachne triaristata (Steud.) Stapf