Cerastium regelii subsp. caespitosum (Malmgren) Tolm., Fl. Arct. URSS 6: 41. 1971 Cerastium regelii subsp. caespitosum (Malmgren) Tolm., Fl. Arct. URSS 6: 41. 1971Taxon for this nameCerastium regelii subsp. caespitosum (Malmgren) Tolm., Fl. Arct. URSS 6: 41. 1971