Amar, Z. (2015). Flora and Fauna in Maimonides' Teachings, Kfar Darom OCLC783455868, pp. 161–162 (in Hebrew)
Avi Shmida, MAPA's Dictionary of Plants and Flowers in Israel, Tel Aviv 2005, pp. 473, 482, 422 (s.v. Ficus sycomorus) (Hebrew) OCLC716569354
search.worldcat.org
Amar, Z.; Kapah, E. (2011), "The Yemenite Commentary of Rabbi Nathan, President of the Academy, on the Identification of Flora in the Mishnah", in Ayelet Oettinger; Danny Bar-Maoz (eds.), Mittuv Yosef – Yosef Tobi Jubilee Volume, The Jews of Yemen: History and Culture (in Hebrew), vol. 2, Haifa: University of Haifa (Center for the Study of Jewish Culture in Spain and in Islamic Countries), p. 15, OCLC713933314, citing J.R.I. Wood (1997), A Handbook of the Yemen Flora, Aylesbury, UK
