| Cattleya Walter Derrin | 18 Aug 2004 | Cattleya Derrynane × Cattleya Memoria Walter Armacost |
| Cattleya Edna McDoniel | 01 Jan 1979 | Cattleya Leona Bloom × Cattleya Memoria Walter Armacost |
| Cattleya Ine Higa | 01 Jan 1977 | Cattleya Memoria Walter Armacost × Cattleya Horace |
| Cattleya Californian Beauty | 01 Jan 1971 | Cattleya Memoria Walter Armacost × Cattleya Allan-a-Dale |
| Cattleya Bert Hamilton | 01 Jan 1970 | Cattleya Memoria Walter Armacost × Cattleya Princess Margaret |
| Cattleya Armaris | 01 Jan 1969 | Cattleya R. J. Chrisman × Cattleya Memoria Walter Armacost |
| Cattleya Stephanie Jane Melton | 01 Jan 1969 | Cattleya Mary Rose × Cattleya Memoria Walter Armacost |
| Cattleya Straight Fire | 01 Jan 1969 | Cattleya Memoria Walter Armacost × Cattleya Dinah |
| Cattlianthe Geronimo | 01 Jan 1969 | Cattleya Memoria Walter Armacost × Cattlianthe Valleybird |
| Cattleya Okinawa | 01 Jan 1969 | Cattleya Memoria Walter Armacost × Cattleya Century Twentyone |
| Rhyncholaeliocattleya Ronnie Franco | 01 Jan 1968 | Rhyncholaeliocattleya Herons Ghyll × Cattleya Memoria Walter Armacost |
| Cattleya Pam Bay | 01 Jan 1968 | Cattleya Rose Andrade × Cattleya Memoria Walter Armacost |
| Cattleya Bewitched | 01 Jan 1966 | Cattleya Memoria Walter Armacost × Cattleya Trail's End |
| Cattleya Nell Litchford | 01 Jan 1966 | Cattleya Memoria Walter Armacost × Cattleya Blendia |
| Rhyncholaeliocattleya Pale Moon | 01 Jan 1966 | Cattleya Memoria Walter Armacost × Rhyncholaeliocattleya Marjorie Frey |
| Rhyncholaeliocattleya Pepper Pod | 01 Jan 1966 | Rhyncholaeliocattleya Memoria Crispin Rosales × Cattleya Memoria Walter Armacost |
| Cattleya Memoria Ben Brewer | 01 Jan 1964 | Cattleya Memoria Walter Armacost × Cattleya percivaliana |
| Cattleya Telestar | 01 Jan 1964 | Cattleya Memoria Walter Armacost × Cattleya Fred Castator |
| Cattleya Marie La Rue | 01 Jan 1964 | Cattleya Memoria Walter Armacost × Cattleya Eugene Casey |
| Cattleya Cuestarma | 01 Jan 1963 | Cattleya Cuesta (1941) × Cattleya Memoria Walter Armacost |
| Cattleya Hawaiian Glory | 01 Jan 1961 | Cattleya Memoria Walter Armacost × Cattleya Flora C. Loo |
| Cattleya Catherine Vidulich | 01 Jan 1961 | Cattleya Memoria Walter Armacost × Cattleya Rita Renee |
| Cattleya Armaprospect | 01 Jan 1960 | Cattleya Prospector × Cattleya Memoria Walter Armacost |
| Cattleya Princess Love | 01 Jan 1960 | Cattleya Hecuva × Cattleya Memoria Walter Armacost |
| Rhyncholaeliocattleya Nacost | 01 Jan 1960 | Rhyncholaeliocattleya Nacouchee × Cattleya Memoria Walter Armacost |
| Cattleya Tesoro | 01 Jan 1960 | Cattleya Memoria Walter Armacost × Cattleya Princess Ishtar |
| Cattleya San Mirelle | 01 Jan 1960 | Cattleya Memoria Walter Armacost × Cattleya Bonanza (Bracey) |
| Cattleya Nikko | 01 Jan 1960 | Cattleya Memoria Walter Armacost × Cattleya Helen Armacost |
| Cattleya Viuda Alegre | 01 Jan 1960 | Cattleya Memoria Walter Armacost × Cattleya Integrity |
| Rhyncholaeliocattleya Paul Rosales | 01 Jan 1960 | Cattleya Memoria Walter Armacost × Rhyncholaeliocattleya Norman's Bay |
| Cattleya Wallet | 01 Jan 1960 | Cattleya Remy Chollet × Cattleya Memoria Walter Armacost |
| Cattleya Connie Wishart | 01 Jan 1959 | Cattleya Memoria Walter Armacost × Cattleya labiata |
| Cattleya Memoria Daniel R. Scobell | 01 Jan 1959 | Cattleya Scott Wilcox × Cattleya Memoria Walter Armacost |
| Cattleya Memindra | 01 Jan 1959 | Cattleya Indra (1948) × Cattleya Memoria Walter Armacost |
| Cattleya Earl J. Beck | 01 Jan 1959 | Cattleya Memoria Walter Armacost × Cattleya Fabia (1894) |