Complex sentence: Adolf Engler developed Eichler's ideas much further, into much more elaborate schemes that evolved over time, from his 1888 scheme, contributed by Pax to his 1903 version In the latter the Liliineae were a suborder of Liliiflorae, including both Liliaceae and Amaryllidaceae families.
Split into simpler sentences: Adolf Engler developed Eichler's ideas much further, into much more elaborate scheme. In his system (1903) the Liliineae were a suborder of Liliiflorae, including both Liliaceae and Amaryllidaceae families.