Riella heliospora Segarra, Puche et Sabovlj.,

Syst. Bot. 37 (2): 315, 2012 (see Segarra et al. 2012).

TYPE: “ U . S. A. California: Santa Clara Co., PaloAlto, Stanford University Campus, Lake Lagunita, 37°25′25.29″N, 122°10′36.01″W, cultivated from sediments collected from the locality on 30 Apr 2011 and dried 21 Sept 2011, J. G. Segarra- Moragues, M. Palop-Esteban, J. J. Palop-Esteban, and I. Cobos-Sillero, (holotype: 9.197 VAL-Briof.)”.