[PuddleMonk]

Originally Posted by matucana

Hi,

the best source for hybrids is the internet database of "sander's list of orchid hybrids", Royal Horticultural Society - Plants: Registration of Orchids

The only registered hybrid of the oncidium etc group named "Issaku Nagata" is an Oncidium:
Royal Horticultural Society - Plants: The International Orchid Register

Wow. That is a great link. Thanks.

Richard