Complex sentence: However in 1840 he journeyed to the Julian Alps, where he scaled Monte Matajur, and soon afterwards collaborated with Otto Sendtner (1813-1859) on an exploratory trip to the coastal areas of Austria, where plants for an herbarium were collected.
Split into simpler sentences: However in 1840 he journeyed to the Julian Alps, where he scaled Monte Matajur. Soon afterwards he collaborated with Otto Sendtner (1813-1859) on an exploratory trip to the coastal areas of Austria, where plants for an herbarium were collected.