Complex sentence: He discovered at least eleven species of plants, including "Rhizobotrya alpina" and "Saxifraga hostii" and is associated with work done at the botanical garden of Emanuel Joseph Malabaila von Canal (1745-1826).
Split into simpler sentences: He discovered at least eleven species of plants, including "Rhizobotrya alpina" and "Saxifraga hostii". During his career he worked at the botanical garden of Emanuel Joseph Malabaila von Canal (1745-1826).