Input (grade 13): His five-volume Historiae animalium (1551-1558) is considered the beginning of modern zoology, and the flowering plant genus Gesneria (Gesneriaceae) is named after him.
Output (grade 11): His five-volume Historiae animalium (1551 â "1558) is a forerunner of modern zoology. The flowering plant genus Gesneria is named after him.