Complex sentence: Chief amongst these were Maximovicz's "Rhododendreae Asiae Orientali" (1870) and Planchon, but it was not until 1893 that Koehne appreciated the significance of scaling and hence the separation of lepidote and elepidote species.
Split into simpler sentences: Chief amongst these were Maximovicz's "Rhododendreae Asiae Orientali" (1870) and Planchon. It was not until 1893 that Koehne appreciated the significance of scaling and hence the separation of lepidote and elepidote species.