The widespread genus contains about 50 species that are predominantly found in tropical areas.
According to a standard reference text, the widespread genus contains 86 species.
The widespread genus, which contains two species, was circumscribed in 1964.
The widespread genus contains 17 species, especially in tropical areas.
There are estimated to be around 300 species in the widespread genus.
The widespread genus is estimated to contain about 600 species.
There are about 70 species in the widespread genus.
According to a 2008 estimate, the widespread genus contains 73 species.
The genus, widespread in tropical areas, contains about 30 species.
The widespread genus has been estimated to contain 15 species.