- RARAMURI Metzger & Kimnach, 2004
- RENIFORME (Jacobsen) Thiede & 't Hart, 1999
- RENZOPALMAE Pino, 2006
- REPTANS R.T.Clausen, 1978
- RETUSUM Hemsley, 1880
- RHODOCARPUM Rose, 1911
- ROBERTII Veldk., 2009
- ROBERTSIANUM Alexander, 1936
- ROBOROWSKII Max., 1883
- ROSULATOBULBOSUM Koidzumi, 1938
- RUBENS L. 1753
- RUBIGINOSUM Zika & Wilson, 2018
- RUPICOLA G.N. Jones, 1931
- RUWENZORIENSE Baker fil., 1908
Sedum