FlowerFaerie, you can exhibit it and have it judged (including AOS judging), as long as you know the parentage--and you do--whether the cross is registered or not. If you were to get an AOS award for it, you would be in the odd (but not infrequent) position of having to give it a clonal name, even though it does not (apparently) have an official grex name. So it could be something along the lines of:
Phragmedium (andreettae x caricinum) 'Flower Faerie' ## AM/AOS
And, although I'm no judge, I agree with Shiva--I think you also *should* be able to register the cross, whether you are allowed to or not. (Although it certainly would be a nice gesture to approach the person who made the cross.) The other thing is, it might be a case where the person has named it and the registration is pending, hence it not appearing in the list of registered crosses. If this is the case, then Mont Mado would replace (andreettae x caricinum) in the name once the registration was complete.
By the way, it's a really attractive flower! And you obviously are growing it well, with all those buds. I'll play Eric's role and ask if you have a photo of the whole plant?
