Those tools were used to extract tannin from valonia oak. What was produced, included wheat, barley, maize, chickpeas, gall, and valonia oak. The region also produced opium, tobacco, and valonia oak. The genus "Ventricaria" is now regarded as a synonym of "Valonia". Their first album, "Postcards From Valonia" received a limited release in 2008. The reserve is home to Valonia oak trees ("Quercus macrolepis") and Palestine oak ("Quercus calliprinos"). The reserve was declared mainly to protect the 240 old Valonia oak trees ("Quercus macrolepis"). Valonia is a genus of green algae in the Valoniaceae family. Flora includes Mt. Atlas mastic trees (terebinth), Valonia oaks, Palestine Oaks, Buckthorns, and "Styrax officinalis". "Valonia ventricosa" typically grow individually, but in rare cases they can grow in groups. Quercus macrolepis, the Valonia oak, the old name for "Quercus ithaburensis" subsp. "macrolepis".