Zygomena in Die Natuerl. Pflanzenfam. Erg.-heft Il, 92, 1908 
Zygopetalum X Zygosepalum (Menadenium) 
Ist hybr.: Z. Roeblingiana (as Zygopetalum Roeblingianum) 
Parentage: Zygopetalum maxillare X Zygosepalum labiosum 
Ill.: in Gard. Chron. ser. 3, 34: 227, f. 98, 1903 
Observation: This replaces the former entry. 
Zygostylis in Handbook Orch. Nomencl. and Reg., p. 47, 1965 
Observation: See Orch. Rev. 74: April, 1966. This replaces the 
earlier entry. 
Parr II 
Parentage index to hybrid generic names 
Parent genera Hybrid genus 
Aceras X Dactylorhiza = Dactyloceras 
Aerides X Arachnis X Ascocentrum X Euanthe 
Xx Vanda = Gilmourara 
Aerides X Arachnis X Ascocentrum X Vanda = Lewisara 
Aerides X Arachnis X Euanthes X Vanda = Wrefordara 
Aerides X Arachnis X Renanthera = Lymanara 
Aerides X Arachnis X Vanda = Burkillara 
Aerides X Ascocentrum = Aeridocentrum 
Aerides X Ascocentrum X Euanthe X Vanda = Reinikkaara 
Aerides X Ascocentrum X Vanda = Christieara 
Aerides X Euanthe X Rhynchostylis X Vanda = Kamemotoara 
Aerides X Renanthera X Vanda = Nobleara 
Aerides X Renanthera X Vandopsis = Carterara 
Aerides X Rhynchostylis X Vanda = Perreiraara 
Aganisia X Otostylis = Otonisia 
Ansellia X Cymbidium = Ansidium 
Arachnis X Aerides X Ascocentrum X Euanthe 
X Vanda = Gilmourara 
Arachnis X Aerides X Ascocentrum X Vanda = Lewisara 
Arachnis X Aerides X Euanthe X Vanda = Wrefordara 
Arachnis X Aerides X Renanthera = Lymanara 
Arachnis X Aerides X Vanda = Burkillara 
Arachnis X Ascocentrum = Ascorachnis 
Arachnis X Ascocentrum X Vanda = Mokara 
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