genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
type genus of the Megapodiidae
birch leaf miner
a genus including the common European kits
genus of much-branched treelike or shrubby cacti with pronounced ribs and rounded needlelike spines and nocturnal flowers usually white
a general kind of something
(biology) taxonomic group containing one or more species