Which agar medium you used for the isolation of these microbes?
In the case of yeast identification, you can follow the procedure described in this article Article Plant endophytic yeasts Pichia fermentans and Meyerozyma car...
Thank you, that was also the impression I got searching the web, but you never know :-) I actuallt think you might be close with Rhodotorula, as it's changed color from the orange on the picture to bright pink after I've stored it 5 degrees celsius.
I've just gotten the opportunity to try and isolate and sequence it, so if that process yields any answers I'll post it here.