The Collaborative International Dictionary
Subgenera
Subgenus \Sub*ge"nus\, n.; pl. Subgenera. (Biol.) A subdivision of a genus, comprising one or more species which differ from other species of the genus in some important character or characters; as, the azaleas now constitute a subgenus of Rhododendron.
Wiktionary
subgenera
n. (plural of subgenus English)
WordNet
subgenus
n. (biology) taxonomic group between a genus and a species
[also: subgenera (pl)]
subgenera
See subgenus