The fourth check-list of the series entitled 'Additional taxa to the Flora of Turkey' comprises a total of 175 taxa based on data given in 162 papers published up until the end of 2007. It provides details of taxa not recorded in the 11 volumes of the Flora of Turkey and the East Aegean Islands nor in the there previously published supplementary check-lists.
ÖZHATAY, NERİMAN; KÜLTÜR, ŞÜKRAN; and ASLAN, SERDAR
"Check-list of Additional Taxa to the Supplement Flora of Turkey IV,"
Turkish Journal of Botany: Vol. 33:
3, Article 4.
Available at: https://journals.tubitak.gov.tr/botany/vol33/iss3/4