Alexanderi and parishii are the parents of Cetus which was registered initially as a diploid cross back in 1923. Golden Rule is a cross of Golden Elf with Hazel Tyers. 'Geyserland' is an orange colour with a red banded labellum. There is heat tolerance in this cross and a chance for earlier flowering times. Yellow through to orange colours with a red banded labellum and intermediates in size.