| Randia sepium Borhidi & E. Martínez, 2015 |
| Randia serboi Borhidi & Saynes, 2006 |
| Randia similis Borhidi & Salas-Mor., 2013 |
| Randia simillima Borhidi, 2018 |
| Randia sonorensis Wiggins, 1940 |
| Randia spinosa (Jacq.) H. Karst., 1866 |
| Randia subcordata (Standl.) Standl., 1919 |
| Randia tetracantha (Cav.) DC., 1830 |
| Randia tetramera Loes., 1923 |
| Randia texensis Lundell, 1945 |
| Randia thurberi S. Watson, 1889 |
| Randia tomatillo Loes., 1922 |
| Randia tomentosa S. Watson, 1890 |
| Randia truncata Greenm. & C.H. Thomps., 1914 |
| Randia tubericollis Borhidi, E. Martínez & A. Nava, 2005 |
| Randia vazquezii Lorence & Dwyer, 1987 |
| Randia veracruzana Borhidi & E. Martínez, 2011 |
| Randia watsonii B.L. Rob., 1894 |
| Randia xalapensis M. Martens & Galeotti, 1844 |
| Ravnia Oerst., 1852 |