Arenaria sedoides (W. D. J. Koch) B. D. Jacks., Index Kew. 1: 181. 1893 Arenaria sedoides (W. D. J. Koch) B. D. Jacks., Index Kew. 1: 181. 1893is blocking name for Arenaria sedoides (L.) Druce in Rep. Bot. Soc. Exch. Club Brit. Isles 8: 109. 1927This name is not assigned to any taxon.