Aliceara = Alcra = Brs x Milt x Onc
That's Brassia x Miltonia x Oncidium
Vuylstekeara = Vuyl = Cda x Milt x Odm
That's Cochlioda x Miltonia x Odontoglossum
From:
http://retirees.uwaterloo.ca/~jerry/orchids/names.html
These are generally call the Oncidium alliance plants or intergenerics, tho that term could apply to many other hybrid genera, and culture is as for many Oncidiums.