Complex sentence: It was verified by United States Department of Agriculture Agricultural Research Service on 2 October 2014 and as of January 2015, it is listed as a "tentatively accepted" name by the RHS.
Split into simpler sentences: It was verified by United States Department of Agriculture Agricultural Research Service on 2 October 2014. As of January 2015, it is listed as a "tentativily accepted" name by the RHS.