Does Ixora or Mesquite have more species?
Mesquite Mesquite is the common name for the genus "Prosopis", containing over 40 species of small leguminous trees. They are native to the southwestern United States and Mexico (even the creeping mesquite, which is invasive in southern California).
Isthmura Isthmura is a genus of salamanders in the family Plethodontidae. They are endemic to Mexico. The genus, which corresponds to the former ""Pseudoeurycea bellii" species group", was established in 2015 in order to preserve "Ixalotriton" and "Bolitoglossa" while avoiding paraphyly of "Pseudoeurycea".