“…Studies on nectar and/or pollen plants for honeybees were conducted in Brazil (Luz and Barth, 2012); in Costa Rica (Freitas, 1994); in Bulgaria (Atanassova and Lazarova, 2010); in Egypt (Taha, 2000, Helal et al, 2003, Fathy, 2008, Ismail et al, 2013, Abou-Shaara, 2015, Esmael et al, 2016); in Germany (Köppler et al, 2007, Beil et al, 2008); in India (Singh, 2003); in Iran (Mossadegh, 1990); in Italy (Fortunato et al, 2006); in Mexico (Villanueva, 1989); in Nibal (Paudayal and Gautam, 2011); in Nigeria (Dukku, 2003); in Palestine (Reyahi, 1999); in Philippines (Payawal et al, 1991); in Poland (Wróblewska et al, 2010); in Saudi Arabia (Taha, 2013, Taha, 2015a, Taha, 2015b, Taha et al, 2016, Adgaba et al, 2017, Al-Kahtani et al, 2017, Taha et al, 2019); in Spain (Seijo et al, 1994); in Turkey (Bilisik et al 2008); in USA (Baum et al, 2011).…”