Complex sentence: The current version 6.1 (December 2010) describes 2553 species with its interactive, multiple entry point, plant identification keys, advancing further than the older botanical tradition, based around the printed book, of pre-determined, hierarchically structured, single entry point, keys.
Split into simpler sentences: The current version 6.1 (December 2010) describes 2553 species with its interactive, multiple entry point, plant identification keys. They advance further than the older botanical tradition, based around the printed book, of pre-determined, hierarchically structured, single entry point, keys.