are Cladanthus and Oxydendrum both plant genus ?
Cladanthus Cladanthus is a genus of plants in the family sunflower family, native to the Mediterranean region.
Sphenomorphus The genus Sphenomorphus – vernacularly known as the common skinks – currently serves as a "wastebin taxon" for a large number of skinks. While most or all species presently placed here are probably rather close relatives, the genus as presently delimited is likely to be not monophyletic and is in need of review.