Apparently x Laeliocatanthe is an invalid name. The reason cited in
IPNI is "nom. inval. see Art. 34.1b ICBN (2000)" and
Tropicos. "Nomenclature Reason: contrary to Art. 34.1b ICBN (2000)."
Kew.
This page at the
IOS notes syn. genus name Laeliocattleya.
IPNI,
Tropicos,
Kew.
I don't know Orchids so my question is; would adding
x Laeliocattleya 'Clark Pitt' be appropriate?
PS
Zuzu I cross posted.