Microsorum thailandicum | Blue Oil FernMicrosorum thailandicum, commonly referred to as the Blue Oil Fern, is a rare epiphytic or lithophytic fern native to Southeast Asia, including Thailand, Vietnam, and southern China. It is renowned for its iridescent blue green fronds, which exhibit a metallic sheen due to specialised surface structures that reflect light. The fronds are strap shaped, leathery, and can grow up to 20 cm in length and 2 cm in width. This fern typically grows in humid,