Botany, plant science, phytology, or plant biology is a branch of biology and is the Scientific method of plant life and development.... , a section is a low-level taxonomic rank
Taxonomic rank
Taxonomic rank, taxonomic category, rank, or category is an abstract term used in the scientific classification, or taxonomy, of organisms.... directly below subgenus
Subgenus
In biology, a subgenus is a taxonomic rank directly below genus. See rank and rank .In ICZN, a subgeneric name can be used independently or included in a binomen, in parentheses, placed between the name of a biological genus and specific name: e.g.... . See rank (botany) and rank (zoology). It is typically used to help organize very large genera
Genus
A genus is a low-level taxonomic rank used in the classification of living and fossil organisms. The taxonomic ranks are domain , kingdom , phylum, class , order , family , genus, and species.... , which may have hundreds of species.