World distribution: Toninia taurica is not rare in central and southern Europe, and also occurs in northern Europe (Norway only), northern Africa, and Asia (Turkey, Uzbekistan, Yenisey-area, Yakutia)
Ecology: In Norway, the species grows in more or less soil-filled fissures in calciferous schist. The sites are southeast- to southwest-facing rock walls or rock outcrops
Threats: No threats identified
Status: The species is rare in the two known localities, but has been collected over a distance of 1-2 km at both sites
Notes: The nearest localities outside Norway are in southern Germany and southern Czechia.
References:
Specimens in other herbaria, litterature, etc.