"Hort." ("hortorum" or "hortulanorum") from entries in early
volumes denotes cultivated taxa. Cultivars are no longer included in IKew.
Some geographic locations may be abbreviated in Latin. For help with this, refer to the "Geographical Names" chapter in Botanical Latin located in the Natural Sciences Reference Area: QK 10 .S7 1992.
Some of the frequently used abbreviations include:
austr. = southern (australis) occ. = western (occidentalis)
bor. = northern (borealis) or.= eastern (orientalis)