It takes twenty or thirty years (or more) from the point it was published
scientifically to when the users become aware of it.

Horsefeathers! In the orchid world, the latest taxonomic theory crosses the
International Date Line with the speed of e-mail. Any theory that was published
20 or 30 years ago would be widely disseminated if there were a grain of truth
to it.
Remember when you didn't know about jin (dead branches) on conifers and I
suggested you travel abroad? In this case you don't have to leave Holland.
Visit a few of the large commercial orchid nurseries. They will undoubtedly
tell you their mass-produced greenhouse grown orchids don't have any
mycorrhiza, & even if they did, it has nothing to do with taxonomy. Give it a
rest. Cereoid is rude, but he may be right. You haven't even mentioned the
author's name, let alone an example.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)