What type of living organisms are categorised by the genus Egeria, native to South America and Ferula, native from the Mediterranean to central Asia?
Egeria (plant):  native to warm-temperate South America. Ferula: Ferula (from Latin "ferula", "rod") is a genus of about 170 species of flowering plants in the carrot family, native to the Mediterranean region east to central Asia, mostly growing in arid climates.
i don't know