Is the Loasa genus or the Ferula genus more useful to humans?
Loasa Loasa is a genus of ornamental plants in the family Loasaceae. These plants are usually prickly herbs, or subshrubs, and they are native to tropical America.
Elephantidae Elephantidae is a family of large, herbivorous mammals collectively called elephants and mammoths. These are terrestrial large mammals with a snout modified into a trunk and teeth modified into tusks. Most genera and species in the family are extinct. Only two genera, "Loxodonta" (African elephants) and "Elephas" (Asiatic elephants), are living.