The name S. ×pascalianum is here proposed for the hybrid discovered by ‘t Hart and illegitimately named S. ×hommelsii. S. rupestre L. subsp. erectum ‘t Hart and S. ochroleucum Chaix are proposed as parents. However, no populations of S. rupestre subsp. erectum ‘t Hart, today included in S. thartii (Gallo in press), have been located in France (see also S. ×hegnaueri). At the type locality and in its neighbourhood, S. ochroleucum, S. montanum and S. sediforme were found. The protologue report “[...] petala eburnea, carinata [...]”,is somewhat ambiguous since “eburnea” could mean ivory or very pale yellow in colour (cf. Stearn 1987); in agreement with subsequent treatments (‘t Hart 1994, ‘t Hart & Bleij 2003) we believe that “pale yellow” is the true colour of the fresh petals of this hybrid. The holotype of S. ×hommelsii agrees closely with the author’s field observations, especially for the triangular sepals and the long buds; this would rule out any introgressive hybridization of other taxa, e.g. S. rupestre. The morphologically distinctive characters of S. ×pascalianum (petal colour and position) are not easy to assess in living specimens and nearly impossible in exsiccata. The presence of this hybrid was reported by Hebert (1983) from some French and Italian localities, namely “Col de Tende”, “Col des Salines”, “St.-MartinVésubie” and Robilante, with two different chromosome numbers: 2n= 68 and 85