Floristic composition
A comprehensive list of the native seed plants of the above floras was
obtained from several floristic inventories (Peng 1998; Zhu & Yan 2009,
2012; Zhu 2015), the Flora of Yunnan (Wu 1977-2006), and the database of
seed plants from herbarium of Kunming Institute of Botany, Chinese
Academy of Sciences. The nomenclature of these species was checked and
standardized according to The Plant List version 1.1 (TPL, available at
http://www.theplantlist.org). All the intraspecific taxa (e.g.,
subspecies, variety and forma) and introduced species were excluded. In
total, 9,370 seed plant species were included in this study, belonging
to 1,860 genera and 212 families. Details about the data collection are
described in Zhu (2012) and Liu et al. (2017), both of which
discussed the biogeographical divergences among these three floras.